diff options
Diffstat (limited to 'arch/arm26/lib')
45 files changed, 0 insertions, 4973 deletions
diff --git a/arch/arm26/lib/Makefile b/arch/arm26/lib/Makefile deleted file mode 100644 index 6df2b793d367..000000000000 --- a/arch/arm26/lib/Makefile +++ /dev/null @@ -1,26 +0,0 @@ -# -# linux/arch/arm26/lib/Makefile -# -# Copyright (C) 1995-2000 Russell King -# - -lib-y := backtrace.o changebit.o csumipv6.o csumpartial.o \ - csumpartialcopy.o csumpartialcopyuser.o clearbit.o \ - copy_page.o delay.o findbit.o memchr.o memcpy.o \ - memset.o memzero.o setbit.o \ - strchr.o strrchr.o testchangebit.o \ - testclearbit.o testsetbit.o getuser.o \ - putuser.o ashldi3.o ashrdi3.o lshrdi3.o muldi3.o \ - ucmpdi2.o udivdi3.o lib1funcs.o ecard.o io-acorn.o \ - floppydma.o io-readsb.o io-writesb.o io-writesl.o \ - uaccess-kernel.o uaccess-user.o io-readsw.o \ - io-writesw.o io-readsl.o ecard.o io-acorn.o \ - floppydma.o - -lib-n := - -lib-$(CONFIG_VT)+= kbd.o - -csumpartialcopy.o: csumpartialcopygeneric.S -csumpartialcopyuser.o: csumpartialcopygeneric.S - diff --git a/arch/arm26/lib/ashldi3.c b/arch/arm26/lib/ashldi3.c deleted file mode 100644 index 130f5a839669..000000000000 --- a/arch/arm26/lib/ashldi3.c +++ /dev/null @@ -1,61 +0,0 @@ -/* More subroutines needed by GCC output code on some machines. */ -/* Compile this one with gcc. */ -/* Copyright (C) 1989, 92-98, 1999 Free Software Foundation, Inc. - -This file is part of GNU CC. - -GNU CC is free software; you can redistribute it and/or modify -it under the terms of the GNU General Public License as published by -the Free Software Foundation; either version 2, or (at your option) -any later version. - -GNU CC is distributed in the hope that it will be useful, -but WITHOUT ANY WARRANTY; without even the implied warranty of -MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -GNU General Public License for more details. - -You should have received a copy of the GNU General Public License -along with GNU CC; see the file COPYING. If not, write to -the Free Software Foundation, 59 Temple Place - Suite 330, -Boston, MA 02111-1307, USA. */ - -/* As a special exception, if you link this library with other files, - some of which are compiled with GCC, to produce an executable, - this library does not by itself cause the resulting executable - to be covered by the GNU General Public License. - This exception does not however invalidate any other reasons why - the executable file might be covered by the GNU General Public License. - */ -/* support functions required by the kernel. based on code from gcc-2.95.3 */ -/* I Molton 29/07/01 */ - -#include "gcclib.h" - -DItype -__ashldi3 (DItype u, word_type b) -{ - DIunion w; - word_type bm; - DIunion uu; - - if (b == 0) - return u; - - uu.ll = u; - - bm = (sizeof (SItype) * BITS_PER_UNIT) - b; - if (bm <= 0) - { - w.s.low = 0; - w.s.high = (USItype)uu.s.low << -bm; - } - else - { - USItype carries = (USItype)uu.s.low >> bm; - w.s.low = (USItype)uu.s.low << b; - w.s.high = ((USItype)uu.s.high << b) | carries; - } - - return w.ll; -} - diff --git a/arch/arm26/lib/ashrdi3.c b/arch/arm26/lib/ashrdi3.c deleted file mode 100644 index 71625d218f8d..000000000000 --- a/arch/arm26/lib/ashrdi3.c +++ /dev/null @@ -1,61 +0,0 @@ -/* More subroutines needed by GCC output code on some machines. */ -/* Compile this one with gcc. */ -/* Copyright (C) 1989, 92-98, 1999 Free Software Foundation, Inc. - -This file is part of GNU CC. - -GNU CC is free software; you can redistribute it and/or modify -it under the terms of the GNU General Public License as published by -the Free Software Foundation; either version 2, or (at your option) -any later version. - -GNU CC is distributed in the hope that it will be useful, -but WITHOUT ANY WARRANTY; without even the implied warranty of -MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -GNU General Public License for more details. - -You should have received a copy of the GNU General Public License -along with GNU CC; see the file COPYING. If not, write to -the Free Software Foundation, 59 Temple Place - Suite 330, -Boston, MA 02111-1307, USA. */ - -/* As a special exception, if you link this library with other files, - some of which are compiled with GCC, to produce an executable, - this library does not by itself cause the resulting executable - to be covered by the GNU General Public License. - This exception does not however invalidate any other reasons why - the executable file might be covered by the GNU General Public License. - */ -/* support functions required by the kernel. based on code from gcc-2.95.3 */ -/* I Molton 29/07/01 */ - -#include "gcclib.h" - -DItype -__ashrdi3 (DItype u, word_type b) -{ - DIunion w; - word_type bm; - DIunion uu; - - if (b == 0) - return u; - - uu.ll = u; - - bm = (sizeof (SItype) * BITS_PER_UNIT) - b; - if (bm <= 0) - { - /* w.s.high = 1..1 or 0..0 */ - w.s.high = uu.s.high >> (sizeof (SItype) * BITS_PER_UNIT - 1); - w.s.low = uu.s.high >> -bm; - } - else - { - USItype carries = (USItype)uu.s.high << bm; - w.s.high = uu.s.high >> b; - w.s.low = ((USItype)uu.s.low >> b) | carries; - } - - return w.ll; -} diff --git a/arch/arm26/lib/backtrace.S b/arch/arm26/lib/backtrace.S deleted file mode 100644 index e27feb1e891d..000000000000 --- a/arch/arm26/lib/backtrace.S +++ /dev/null @@ -1,144 +0,0 @@ -/* - * linux/arch/arm26/lib/backtrace.S - * - * Copyright (C) 1995, 1996 Russell King - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ -#include <linux/linkage.h> -#include <asm/assembler.h> - .text - -@ fp is 0 or stack frame - -#define frame r4 -#define next r5 -#define save r6 -#define mask r7 -#define offset r8 - -ENTRY(__backtrace) - mov r1, #0x10 - mov r0, fp - -ENTRY(c_backtrace) - -#ifdef CONFIG_NO_FRAME_POINTER - mov pc, lr -#else - - stmfd sp!, {r4 - r8, lr} @ Save an extra register so we have a location... - mov mask, #0xfc000003 - tst mask, r0 - movne r0, #0 - movs frame, r0 -1: moveq r0, #-2 - LOADREGS(eqfd, sp!, {r4 - r8, pc}) - -2: stmfd sp!, {pc} @ calculate offset of PC in STMIA instruction - ldr r0, [sp], #4 - adr r1, 2b - 4 - sub offset, r0, r1 - -3: tst frame, mask @ Check for address exceptions... - bne 1b - -1001: ldr next, [frame, #-12] @ get fp -1002: ldr r2, [frame, #-4] @ get lr -1003: ldr r3, [frame, #0] @ get pc - sub save, r3, offset @ Correct PC for prefetching - bic save, save, mask -1004: ldr r1, [save, #0] @ get instruction at function - mov r1, r1, lsr #10 - ldr r3, .Ldsi+4 - teq r1, r3 - subeq save, save, #4 - adr r0, .Lfe - mov r1, save - bic r2, r2, mask - bl printk @ print pc and link register - - ldr r0, [frame, #-8] @ get sp - sub r0, r0, #4 -1005: ldr r1, [save, #4] @ get instruction at function+4 - mov r3, r1, lsr #10 - ldr r2, .Ldsi+4 - teq r3, r2 @ Check for stmia sp!, {args} - addeq save, save, #4 @ next instruction - bleq .Ldumpstm - - sub r0, frame, #16 -1006: ldr r1, [save, #4] @ Get 'stmia sp!, {rlist, fp, ip, lr, pc}' instruction - mov r3, r1, lsr #10 - ldr r2, .Ldsi - teq r3, r2 - bleq .Ldumpstm - - teq frame, next - movne frame, next - teqne frame, #0 - bne 3b - LOADREGS(fd, sp!, {r4 - r8, pc}) - -/* - * Fixup for LDMDB - */ - .section .fixup,"ax" - .align 0 -1007: ldr r0, =.Lbad - mov r1, frame - bl printk - LOADREGS(fd, sp!, {r4 - r8, pc}) - .ltorg - .previous - - .section __ex_table,"a" - .align 3 - .long 1001b, 1007b - .long 1002b, 1007b - .long 1003b, 1007b - .long 1004b, 1007b - .long 1005b, 1007b - .long 1006b, 1007b - .previous - -#define instr r4 -#define reg r5 -#define stack r6 - -.Ldumpstm: stmfd sp!, {instr, reg, stack, r7, lr} - mov stack, r0 - mov instr, r1 - mov reg, #9 - mov r7, #0 -1: mov r3, #1 - tst instr, r3, lsl reg - beq 2f - add r7, r7, #1 - teq r7, #4 - moveq r7, #0 - moveq r3, #'\n' - movne r3, #' ' - ldr r2, [stack], #-4 - mov r1, reg - adr r0, .Lfp - bl printk -2: subs reg, reg, #1 - bpl 1b - teq r7, #0 - adrne r0, .Lcr - blne printk - mov r0, stack - LOADREGS(fd, sp!, {instr, reg, stack, r7, pc}) - -.Lfe: .asciz "Function entered at [<%p>] from [<%p>]\n" -.Lfp: .asciz " r%d = %08X%c" -.Lcr: .asciz "\n" -.Lbad: .asciz "Backtrace aborted due to bad frame pointer <%p>\n" - .align -.Ldsi: .word 0x00e92dd8 >> 2 - .word 0x00e92d00 >> 2 - -#endif diff --git a/arch/arm26/lib/changebit.S b/arch/arm26/lib/changebit.S deleted file mode 100644 index 1b6a077be5a6..000000000000 --- a/arch/arm26/lib/changebit.S +++ /dev/null @@ -1,28 +0,0 @@ -/* - * linux/arch/arm26/lib/changebit.S - * - * Copyright (C) 1995-1996 Russell King - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ -#include <linux/linkage.h> -#include <asm/assembler.h> - .text - -/* Purpose : Function to change a bit - * Prototype: int change_bit(int bit, void *addr) - */ -ENTRY(_change_bit_be) - eor r0, r0, #0x18 @ big endian byte ordering -ENTRY(_change_bit_le) - and r2, r0, #7 - mov r3, #1 - mov r3, r3, lsl r2 - save_and_disable_irqs ip, r2 - ldrb r2, [r1, r0, lsr #3] - eor r2, r2, r3 - strb r2, [r1, r0, lsr #3] - restore_irqs ip - RETINSTR(mov,pc,lr) diff --git a/arch/arm26/lib/clearbit.S b/arch/arm26/lib/clearbit.S deleted file mode 100644 index 0a895b0c759f..000000000000 --- a/arch/arm26/lib/clearbit.S +++ /dev/null @@ -1,31 +0,0 @@ -/* - * linux/arch/arm26/lib/clearbit.S - * - * Copyright (C) 1995-1996 Russell King - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ -#include <linux/linkage.h> -#include <asm/assembler.h> - .text - -/* - * Purpose : Function to clear a bit - * Prototype: int clear_bit(int bit, void *addr) - */ -ENTRY(_clear_bit_be) - eor r0, r0, #0x18 @ big endian byte ordering -ENTRY(_clear_bit_le) - and r2, r0, #7 - mov r3, #1 - mov r3, r3, lsl r2 - save_and_disable_irqs ip, r2 - ldrb r2, [r1, r0, lsr #3] - bic r2, r2, r3 - strb r2, [r1, r0, lsr #3] - restore_irqs ip - RETINSTR(mov,pc,lr) - - diff --git a/arch/arm26/lib/copy_page.S b/arch/arm26/lib/copy_page.S deleted file mode 100644 index c7511a2739d3..000000000000 --- a/arch/arm26/lib/copy_page.S +++ /dev/null @@ -1,62 +0,0 @@ -/* - * linux/arch/arm26/lib/copypage.S - * - * Copyright (C) 1995-1999 Russell King - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - * - * ASM optimised string functions - */ -#include <linux/linkage.h> -#include <asm/assembler.h> -#include <asm/asm-offsets.h> - - .text - .align 5 -/* - * ARMv3 optimised copy_user_page - * - * FIXME: rmk do we need to handle cache stuff... - * FIXME: im is this right on ARM26? - */ -ENTRY(__copy_user_page) - stmfd sp!, {r4, lr} @ 2 - mov r2, #PAGE_SZ/64 @ 1 - ldmia r1!, {r3, r4, ip, lr} @ 4+1 -1: stmia r0!, {r3, r4, ip, lr} @ 4 - ldmia r1!, {r3, r4, ip, lr} @ 4+1 - stmia r0!, {r3, r4, ip, lr} @ 4 - ldmia r1!, {r3, r4, ip, lr} @ 4+1 - stmia r0!, {r3, r4, ip, lr} @ 4 - ldmia r1!, {r3, r4, ip, lr} @ 4 - subs r2, r2, #1 @ 1 - stmia r0!, {r3, r4, ip, lr} @ 4 - ldmneia r1!, {r3, r4, ip, lr} @ 4 - bne 1b @ 1 - LOADREGS(fd, sp!, {r4, pc}) @ 3 - - .align 5 -/* - * ARMv3 optimised clear_user_page - * - * FIXME: rmk do we need to handle cache stuff... - */ -ENTRY(__clear_user_page) - str lr, [sp, #-4]! - mov r1, #PAGE_SZ/64 @ 1 - mov r2, #0 @ 1 - mov r3, #0 @ 1 - mov ip, #0 @ 1 - mov lr, #0 @ 1 -1: stmia r0!, {r2, r3, ip, lr} @ 4 - stmia r0!, {r2, r3, ip, lr} @ 4 - stmia r0!, {r2, r3, ip, lr} @ 4 - stmia r0!, {r2, r3, ip, lr} @ 4 - subs r1, r1, #1 @ 1 - bne 1b @ 1 - ldr pc, [sp], #4 - - .section ".init.text", #alloc, #execinstr - diff --git a/arch/arm26/lib/csumipv6.S b/arch/arm26/lib/csumipv6.S deleted file mode 100644 index 62831155acde..000000000000 --- a/arch/arm26/lib/csumipv6.S +++ /dev/null @@ -1,32 +0,0 @@ -/* - * linux/arch/arm26/lib/csumipv6.S - * - * Copyright (C) 1995-1998 Russell King - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ -#include <linux/linkage.h> -#include <asm/assembler.h> - - .text - -ENTRY(__csum_ipv6_magic) - str lr, [sp, #-4]! - adds ip, r2, r3 - ldmia r1, {r1 - r3, lr} - adcs ip, ip, r1 - adcs ip, ip, r2 - adcs ip, ip, r3 - adcs ip, ip, lr - ldmia r0, {r0 - r3} - adcs r0, ip, r0 - adcs r0, r0, r1 - adcs r0, r0, r2 - ldr r2, [sp, #4] - adcs r0, r0, r3 - adcs r0, r0, r2 - adcs r0, r0, #0 - LOADREGS(fd, sp!, {pc}) - diff --git a/arch/arm26/lib/csumpartial.S b/arch/arm26/lib/csumpartial.S deleted file mode 100644 index e53e7109e623..000000000000 --- a/arch/arm26/lib/csumpartial.S +++ /dev/null @@ -1,130 +0,0 @@ -/* - * linux/arch/arm26/lib/csumpartial.S - * - * Copyright (C) 1995-1998 Russell King - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ -#include <linux/linkage.h> -#include <asm/assembler.h> - - .text - -/* - * Function: __u32 csum_partial(const char *src, int len, __u32 sum) - * Params : r0 = buffer, r1 = len, r2 = checksum - * Returns : r0 = new checksum - */ - -buf .req r0 -len .req r1 -sum .req r2 -td0 .req r3 -td1 .req r4 @ save before use -td2 .req r5 @ save before use -td3 .req lr - -.zero: mov r0, sum - add sp, sp, #4 - ldr pc, [sp], #4 - - /* - * Handle 0 to 7 bytes, with any alignment of source and - * destination pointers. Note that when we get here, C = 0 - */ -.less8: teq len, #0 @ check for zero count - beq .zero - - /* we must have at least one byte. */ - tst buf, #1 @ odd address? - ldrneb td0, [buf], #1 - subne len, len, #1 - adcnes sum, sum, td0, lsl #byte(1) - -.less4: tst len, #6 - beq .less8_byte - - /* we are now half-word aligned */ - -.less8_wordlp: -#if __LINUX_ARM_ARCH__ >= 4 - ldrh td0, [buf], #2 - sub len, len, #2 -#else - ldrb td0, [buf], #1 - ldrb td3, [buf], #1 - sub len, len, #2 - orr td0, td0, td3, lsl #8 -#endif - adcs sum, sum, td0 - tst len, #6 - bne .less8_wordlp - -.less8_byte: tst len, #1 @ odd number of bytes - ldrneb td0, [buf], #1 @ include last byte - adcnes sum, sum, td0, lsl #byte(0) @ update checksum - -.done: adc r0, sum, #0 @ collect up the last carry - ldr td0, [sp], #4 - tst td0, #1 @ check buffer alignment - movne td0, r0, lsl #8 @ rotate checksum by 8 bits - orrne r0, td0, r0, lsr #24 - ldr pc, [sp], #4 @ return - -.not_aligned: tst buf, #1 @ odd address - ldrneb td0, [buf], #1 @ make even - subne len, len, #1 - adcnes sum, sum, td0, lsl #byte(1) @ update checksum - - tst buf, #2 @ 32-bit aligned? -#if __LINUX_ARM_ARCH__ >= 4 - ldrneh td0, [buf], #2 @ make 32-bit aligned - subne len, len, #2 -#else - ldrneb td0, [buf], #1 - ldrneb ip, [buf], #1 - subne len, len, #2 - orrne td0, td0, ip, lsl #8 -#endif - adcnes sum, sum, td0 @ update checksum - mov pc, lr - -ENTRY(csum_partial) - stmfd sp!, {buf, lr} - cmp len, #8 @ Ensure that we have at least - blo .less8 @ 8 bytes to copy. - - adds sum, sum, #0 @ C = 0 - tst buf, #3 @ Test destination alignment - blne .not_aligned @ aligh destination, return here - -1: bics ip, len, #31 - beq 3f - - stmfd sp!, {r4 - r5} -2: ldmia buf!, {td0, td1, td2, td3} - adcs sum, sum, td0 - adcs sum, sum, td1 - adcs sum, sum, td2 - adcs sum, sum, td3 - ldmia buf!, {td0, td1, td2, td3} - adcs sum, sum, td0 - adcs sum, sum, td1 - adcs sum, sum, td2 - adcs sum, sum, td3 - sub ip, ip, #32 - teq ip, #0 - bne 2b - ldmfd sp!, {r4 - r5} - -3: tst len, #0x1c @ should not change C - beq .less4 - -4: ldr td0, [buf], #4 - sub len, len, #4 - adcs sum, sum, td0 - tst len, #0x1c - bne 4b - b .less4 diff --git a/arch/arm26/lib/csumpartialcopy.S b/arch/arm26/lib/csumpartialcopy.S deleted file mode 100644 index a1c4b5fdd498..000000000000 --- a/arch/arm26/lib/csumpartialcopy.S +++ /dev/null @@ -1,52 +0,0 @@ -/* - * linux/arch/arm26/lib/csumpartialcopy.S - * - * Copyright (C) 1995-1998 Russell King - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ -#include <linux/linkage.h> -#include <asm/assembler.h> - - .text - -/* Function: __u32 csum_partial_copy_nocheck(const char *src, char *dst, int len, __u32 sum) - * Params : r0 = src, r1 = dst, r2 = len, r3 = checksum - * Returns : r0 = new checksum - */ - - .macro save_regs - stmfd sp!, {r1, r4 - r8, fp, ip, lr, pc} - .endm - - .macro load_regs,flags - LOADREGS(\flags,fp,{r1, r4 - r8, fp, sp, pc}) - .endm - - .macro load1b, reg1 - ldrb \reg1, [r0], #1 - .endm - - .macro load2b, reg1, reg2 - ldrb \reg1, [r0], #1 - ldrb \reg2, [r0], #1 - .endm - - .macro load1l, reg1 - ldr \reg1, [r0], #4 - .endm - - .macro load2l, reg1, reg2 - ldr \reg1, [r0], #4 - ldr \reg2, [r0], #4 - .endm - - .macro load4l, reg1, reg2, reg3, reg4 - ldmia r0!, {\reg1, \reg2, \reg3, \reg4} - .endm - -#define FN_ENTRY ENTRY(csum_partial_copy_nocheck) - -#include "csumpartialcopygeneric.S" diff --git a/arch/arm26/lib/csumpartialcopygeneric.S b/arch/arm26/lib/csumpartialcopygeneric.S deleted file mode 100644 index 5249c3ad11db..000000000000 --- a/arch/arm26/lib/csumpartialcopygeneric.S +++ /dev/null @@ -1,352 +0,0 @@ -/* - * linux/arch/arm26/lib/csumpartialcopygeneric.S - * - * Copyright (C) 1995-2001 Russell King - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - * - * JMA 01/06/03 Commented out some shl0s; probobly irrelevant to arm26 - * - */ - -/* - * unsigned int - * csum_partial_copy_xxx(const char *src, char *dst, int len, int sum, ) - * r0 = src, r1 = dst, r2 = len, r3 = sum - * Returns : r0 = checksum - * - * Note that 'tst' and 'teq' preserve the carry flag. - */ - -/* Quick hack */ - .macro save_regs - stmfd sp!, {r1, r4 - r8, fp, ip, lr, pc} - .endm - -/* end Quick Hack */ - -src .req r0 -dst .req r1 -len .req r2 -sum .req r3 - -.zero: mov r0, sum - load_regs ea - - /* - * Align an unaligned destination pointer. We know that - * we have >= 8 bytes here, so we don't need to check - * the length. Note that the source pointer hasn't been - * aligned yet. - */ -.dst_unaligned: tst dst, #1 - beq .dst_16bit - - load1b ip - sub len, len, #1 - adcs sum, sum, ip, lsl #byte(1) @ update checksum - strb ip, [dst], #1 - tst dst, #2 - moveq pc, lr @ dst is now 32bit aligned - -.dst_16bit: load2b r8, ip - sub len, len, #2 - adcs sum, sum, r8, lsl #byte(0) - strb r8, [dst], #1 - adcs sum, sum, ip, lsl #byte(1) - strb ip, [dst], #1 - mov pc, lr @ dst is now 32bit aligned - - /* - * Handle 0 to 7 bytes, with any alignment of source and - * destination pointers. Note that when we get here, C = 0 - */ -.less8: teq len, #0 @ check for zero count - beq .zero - - /* we must have at least one byte. */ - tst dst, #1 @ dst 16-bit aligned - beq .less8_aligned - - /* Align dst */ - load1b ip - sub len, len, #1 - adcs sum, sum, ip, lsl #byte(1) @ update checksum - strb ip, [dst], #1 - tst len, #6 - beq .less8_byteonly - -1: load2b r8, ip - sub len, len, #2 - adcs sum, sum, r8, lsl #byte(0) - strb r8, [dst], #1 - adcs sum, sum, ip, lsl #byte(1) - strb ip, [dst], #1 -.less8_aligned: tst len, #6 - bne 1b -.less8_byteonly: - tst len, #1 - beq .done - load1b r8 - adcs sum, sum, r8, lsl #byte(0) @ update checksum - strb r8, [dst], #1 - b .done - -FN_ENTRY - mov ip, sp - save_regs - sub fp, ip, #4 - - cmp len, #8 @ Ensure that we have at least - blo .less8 @ 8 bytes to copy. - - adds sum, sum, #0 @ C = 0 - tst dst, #3 @ Test destination alignment - blne .dst_unaligned @ align destination, return here - - /* - * Ok, the dst pointer is now 32bit aligned, and we know - * that we must have more than 4 bytes to copy. Note - * that C contains the carry from the dst alignment above. - */ - - tst src, #3 @ Test source alignment - bne .src_not_aligned - - /* Routine for src & dst aligned */ - - bics ip, len, #15 - beq 2f - -1: load4l r4, r5, r6, r7 - stmia dst!, {r4, r5, r6, r7} - adcs sum, sum, r4 - adcs sum, sum, r5 - adcs sum, sum, r6 - adcs sum, sum, r7 - sub ip, ip, #16 - teq ip, #0 - bne 1b - -2: ands ip, len, #12 - beq 4f - tst ip, #8 - beq 3f - load2l r4, r5 - stmia dst!, {r4, r5} - adcs sum, sum, r4 - adcs sum, sum, r5 - tst ip, #4 - beq 4f - -3: load1l r4 - str r4, [dst], #4 - adcs sum, sum, r4 - -4: ands len, len, #3 - beq .done - load1l r4 - tst len, #2 -/* mov r5, r4, lsr #byte(0) -FIXME? 0 Shift anyhow! -*/ - beq .exit - adcs sum, sum, r4, push #16 - strb r5, [dst], #1 - mov r5, r4, lsr #byte(1) - strb r5, [dst], #1 - mov r5, r4, lsr #byte(2) -.exit: tst len, #1 - strneb r5, [dst], #1 - andne r5, r5, #255 - adcnes sum, sum, r5, lsl #byte(0) - - /* - * If the dst pointer was not 16-bit aligned, we - * need to rotate the checksum here to get around - * the inefficient byte manipulations in the - * architecture independent code. - */ -.done: adc r0, sum, #0 - ldr sum, [sp, #0] @ dst - tst sum, #1 - movne sum, r0, lsl #8 - orrne r0, sum, r0, lsr #24 - load_regs ea - -.src_not_aligned: - adc sum, sum, #0 @ include C from dst alignment - and ip, src, #3 - bic src, src, #3 - load1l r5 - cmp ip, #2 - beq .src2_aligned - bhi .src3_aligned - mov r4, r5, pull #8 @ C = 0 - bics ip, len, #15 - beq 2f -1: load4l r5, r6, r7, r8 - orr r4, r4, r5, push #24 - mov r5, r5, pull #8 - orr r5, r5, r6, push #24 - mov r6, r6, pull #8 - orr r6, r6, r7, push #24 - mov r7, r7, pull #8 - orr r7, r7, r8, push #24 - stmia dst!, {r4, r5, r6, r7} - adcs sum, sum, r4 - adcs sum, sum, r5 - adcs sum, sum, r6 - adcs sum, sum, r7 - mov r4, r8, pull #8 - sub ip, ip, #16 - teq ip, #0 - bne 1b -2: ands ip, len, #12 - beq 4f - tst ip, #8 - beq 3f - load2l r5, r6 - orr r4, r4, r5, push #24 - mov r5, r5, pull #8 - orr r5, r5, r6, push #24 - stmia dst!, {r4, r5} - adcs sum, sum, r4 - adcs sum, sum, r5 - mov r4, r6, pull #8 - tst ip, #4 - beq 4f -3: load1l r5 - orr r4, r4, r5, push #24 - str r4, [dst], #4 - adcs sum, sum, r4 - mov r4, r5, pull #8 -4: ands len, len, #3 - beq .done -/* mov r5, r4, lsr #byte(0) -FIXME? 0 Shift anyhow -*/ - tst len, #2 - beq .exit - adcs sum, sum, r4, push #16 - strb r5, [dst], #1 - mov r5, r4, lsr #byte(1) - strb r5, [dst], #1 - mov r5, r4, lsr #byte(2) - b .exit - -.src2_aligned: mov r4, r5, pull #16 - adds sum, sum, #0 - bics ip, len, #15 - beq 2f -1: load4l r5, r6, r7, r8 - orr r4, r4, r5, push #16 - mov r5, r5, pull #16 - orr r5, r5, r6, push #16 - mov r6, r6, pull #16 - orr r6, r6, r7, push #16 - mov r7, r7, pull #16 - orr r7, r7, r8, push #16 - stmia dst!, {r4, r5, r6, r7} - adcs sum, sum, r4 - adcs sum, sum, r5 - adcs sum, sum, r6 - adcs sum, sum, r7 - mov r4, r8, pull #16 - sub ip, ip, #16 - teq ip, #0 - bne 1b -2: ands ip, len, #12 - beq 4f - tst ip, #8 - beq 3f - load2l r5, r6 - orr r4, r4, r5, push #16 - mov r5, r5, pull #16 - orr r5, r5, r6, push #16 - stmia dst!, {r4, r5} - adcs sum, sum, r4 - adcs sum, sum, r5 - mov r4, r6, pull #16 - tst ip, #4 - beq 4f -3: load1l r5 - orr r4, r4, r5, push #16 - str r4, [dst], #4 - adcs sum, sum, r4 - mov r4, r5, pull #16 -4: ands len, len, #3 - beq .done -/* mov r5, r4, lsr #byte(0) -FIXME? 0 Shift anyhow -*/ - tst len, #2 - beq .exit - adcs sum, sum, r4 - strb r5, [dst], #1 - mov r5, r4, lsr #byte(1) - strb r5, [dst], #1 - tst len, #1 - beq .done - load1b r5 - b .exit - -.src3_aligned: mov r4, r5, pull #24 - adds sum, sum, #0 - bics ip, len, #15 - beq 2f -1: load4l r5, r6, r7, r8 - orr r4, r4, r5, push #8 - mov r5, r5, pull #24 - orr r5, r5, r6, push #8 - mov r6, r6, pull #24 - orr r6, r6, r7, push #8 - mov r7, r7, pull #24 - orr r7, r7, r8, push #8 - stmia dst!, {r4, r5, r6, r7} - adcs sum, sum, r4 - adcs sum, sum, r5 - adcs sum, sum, r6 - adcs sum, sum, r7 - mov r4, r8, pull #24 - sub ip, ip, #16 - teq ip, #0 - bne 1b -2: ands ip, len, #12 - beq 4f - tst ip, #8 - beq 3f - load2l r5, r6 - orr r4, r4, r5, push #8 - mov r5, r5, pull #24 - orr r5, r5, r6, push #8 - stmia dst!, {r4, r5} - adcs sum, sum, r4 - adcs sum, sum, r5 - mov r4, r6, pull #24 - tst ip, #4 - beq 4f -3: load1l r5 - orr r4, r4, r5, push #8 - str r4, [dst], #4 - adcs sum, sum, r4 - mov r4, r5, pull #24 -4: ands len, len, #3 - beq .done -/* mov r5, r4, lsr #byte(0) -FIXME? 0 Shift anyhow -*/ - tst len, #2 - beq .exit - strb r5, [dst], #1 - adcs sum, sum, r4 - load1l r4 -/* mov r5, r4, lsr #byte(0) -FIXME? 0 Shift anyhow -*/ - strb r5, [dst], #1 - adcs sum, sum, r4, push #24 - mov r5, r4, lsr #byte(1) - b .exit diff --git a/arch/arm26/lib/csumpartialcopyuser.S b/arch/arm26/lib/csumpartialcopyuser.S deleted file mode 100644 index a98eea74305a..000000000000 --- a/arch/arm26/lib/csumpartialcopyuser.S +++ /dev/null @@ -1,114 +0,0 @@ -/* - * linux/arch/arm26/lib/csumpartialcopyuser.S - * - * Copyright (C) 1995-1998 Russell King - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ -#include <linux/linkage.h> -#include <asm/assembler.h> -#include <asm/errno.h> -#include <asm/asm-offsets.h> - - .text - - .macro save_regs - stmfd sp!, {r1 - r2, r4 - r9, fp, ip, lr, pc} - mov r9, sp, lsr #13 - mov r9, r9, lsl #13 - ldr r9, [r9, #TSK_ADDR_LIMIT] - mov r9, r9, lsr #24 - .endm - - .macro load_regs,flags - ldm\flags fp, {r1, r2, r4-r9, fp, sp, pc}^ - .endm - - .macro load1b, reg1 - tst r9, #0x01 -9999: ldreqbt \reg1, [r0], #1 - ldrneb \reg1, [r0], #1 - .section __ex_table, "a" - .align 3 - .long 9999b, 6001f - .previous - .endm - - .macro load2b, reg1, reg2 - tst r9, #0x01 -9999: ldreqbt \reg1, [r0], #1 - ldrneb \reg1, [r0], #1 -9998: ldreqbt \reg2, [r0], #1 - ldrneb \reg2, [r0], #1 - .section __ex_table, "a" - .long 9999b, 6001f - .long 9998b, 6001f - .previous - .endm - - .macro load1l, reg1 - tst r9, #0x01 -9999: ldreqt \reg1, [r0], #4 - ldrne \reg1, [r0], #4 - .section __ex_table, "a" - .align 3 - .long 9999b, 6001f - .previous - .endm - - .macro load2l, reg1, reg2 - tst r9, #0x01 - ldmneia r0!, {\reg1, \reg2} -9999: ldreqt \reg1, [r0], #4 -9998: ldreqt \reg2, [r0], #4 - .section __ex_table, "a" - .long 9999b, 6001f - .long 9998b, 6001f - .previous - .endm - - .macro load4l, reg1, reg2, reg3, reg4 - tst r9, #0x01 - ldmneia r0!, {\reg1, \reg2, \reg3, \reg4} -9999: ldreqt \reg1, [r0], #4 -9998: ldreqt \reg2, [r0], #4 -9997: ldreqt \reg3, [r0], #4 -9996: ldreqt \reg4, [r0], #4 - .section __ex_table, "a" - .long 9999b, 6001f - .long 9998b, 6001f - .long 9997b, 6001f - .long 9996b, 6001f - .previous - .endm - -/* - * unsigned int - * csum_partial_copy_from_user(const char *src, char *dst, int len, int sum, int *err_ptr) - * r0 = src, r1 = dst, r2 = len, r3 = sum, [sp] = *err_ptr - * Returns : r0 = checksum, [[sp, #0], #0] = 0 or -EFAULT - */ - -#define FN_ENTRY ENTRY(csum_partial_copy_from_user) - -#include "csumpartialcopygeneric.S" - -/* - * FIXME: minor buglet here - * We don't return the checksum for the data present in the buffer. To do - * so properly, we would have to add in whatever registers were loaded before - * the fault, which, with the current asm above is not predictable. - */ - .align 4 -6001: mov r4, #-EFAULT - ldr r5, [fp, #4] @ *err_ptr - str r4, [r5] - ldmia sp, {r1, r2} @ retrieve dst, len - add r2, r2, r1 - mov r0, #0 @ zero the buffer -6002: teq r2, r1 - strneb r0, [r1], #1 - bne 6002b - load_regs ea diff --git a/arch/arm26/lib/delay.S b/arch/arm26/lib/delay.S deleted file mode 100644 index 66f2b68e1b13..000000000000 --- a/arch/arm26/lib/delay.S +++ /dev/null @@ -1,57 +0,0 @@ -/* - * linux/arch/arm26/lib/delay.S - * - * Copyright (C) 1995, 1996 Russell King - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ -#include <linux/linkage.h> -#include <asm/assembler.h> - .text - -LC0: .word loops_per_jiffy - -/* - * 0 <= r0 <= 2000 - */ -ENTRY(udelay) - mov r2, #0x6800 - orr r2, r2, #0x00db - mul r1, r0, r2 - ldr r2, LC0 - ldr r2, [r2] - mov r1, r1, lsr #11 - mov r2, r2, lsr #11 - mul r0, r1, r2 - movs r0, r0, lsr #6 - RETINSTR(moveq,pc,lr) - -/* - * loops = (r0 * 0x10c6 * 100 * loops_per_jiffy) / 2^32 - * - * Oh, if only we had a cycle counter... - */ - -@ Delay routine -ENTRY(__delay) - subs r0, r0, #1 -#if 0 - RETINSTR(movls,pc,lr) - subs r0, r0, #1 - RETINSTR(movls,pc,lr) - subs r0, r0, #1 - RETINSTR(movls,pc,lr) - subs r0, r0, #1 - RETINSTR(movls,pc,lr) - subs r0, r0, #1 - RETINSTR(movls,pc,lr) - subs r0, r0, #1 - RETINSTR(movls,pc,lr) - subs r0, r0, #1 - RETINSTR(movls,pc,lr) - subs r0, r0, #1 -#endif - bhi __delay - RETINSTR(mov,pc,lr) diff --git a/arch/arm26/lib/ecard.S b/arch/arm26/lib/ecard.S deleted file mode 100644 index 658bc4529c9d..000000000000 --- a/arch/arm26/lib/ecard.S +++ /dev/null @@ -1,40 +0,0 @@ -/* - * linux/arch/arm26/lib/ecard.S - * - * Copyright (C) 1995, 1996 Russell King - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ -#include <linux/linkage.h> -#include <asm/assembler.h> -#include <asm/hardware.h> - -#define CPSR2SPSR(rt) - -@ Purpose: call an expansion card loader to read bytes. -@ Proto : char read_loader(int offset, char *card_base, char *loader); -@ Returns: byte read - -ENTRY(ecard_loader_read) - stmfd sp!, {r4 - r12, lr} - mov r11, r1 - mov r1, r0 - CPSR2SPSR(r0) - mov lr, pc - mov pc, r2 - LOADREGS(fd, sp!, {r4 - r12, pc}) - -@ Purpose: call an expansion card loader to reset the card -@ Proto : void read_loader(int card_base, char *loader); -@ Returns: byte read - -ENTRY(ecard_loader_reset) - stmfd sp!, {r4 - r12, lr} - mov r11, r0 - CPSR2SPSR(r0) - mov lr, pc - add pc, r1, #8 - LOADREGS(fd, sp!, {r4 - r12, pc}) - diff --git a/arch/arm26/lib/findbit.S b/arch/arm26/lib/findbit.S deleted file mode 100644 index 26f67cccc37c..000000000000 --- a/arch/arm26/lib/findbit.S +++ /dev/null @@ -1,67 +0,0 @@ -/* - * linux/arch/arm/lib/findbit.S - * - * Copyright (C) 1995-2000 Russell King - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - * - * 16th March 2001 - John Ripley <jripley@sonicblue.com> - * Fixed so that "size" is an exclusive not an inclusive quantity. - * All users of these functions expect exclusive sizes, and may - * also call with zero size. - * Reworked by rmk. - */ -#include <linux/linkage.h> -#include <asm/assembler.h> - .text - -/* - * Purpose : Find a 'zero' bit - * Prototype: int find_first_zero_bit(void *addr, unsigned int maxbit); - */ -ENTRY(_find_first_zero_bit_le) - teq r1, #0 - beq 3f - mov r2, #0 -1: ldrb r3, [r0, r2, lsr #3] - eors r3, r3, #0xff @ invert bits - bne .found @ any now set - found zero bit - add r2, r2, #8 @ next bit pointer -2: cmp r2, r1 @ any more? - blo 1b -3: mov r0, r1 @ no free bits - RETINSTR(mov,pc,lr) - -/* - * Purpose : Find next 'zero' bit - * Prototype: int find_next_zero_bit(void *addr, unsigned int maxbit, int offset) - */ -ENTRY(_find_next_zero_bit_le) - teq r1, #0 - beq 2b - ands ip, r2, #7 - beq 1b @ If new byte, goto old routine - ldrb r3, [r0, r2, lsr #3] - eor r3, r3, #0xff @ now looking for a 1 bit - movs r3, r3, lsr ip @ shift off unused bits - bne .found - orr r2, r2, #7 @ if zero, then no bits here - add r2, r2, #1 @ align bit pointer - b 2b @ loop for next bit - -/* - * One or more bits in the LSB of r3 are assumed to be set. - */ -.found: tst r3, #0x0f - addeq r2, r2, #4 - movne r3, r3, lsl #4 - tst r3, #0x30 - addeq r2, r2, #2 - movne r3, r3, lsl #2 - tst r3, #0x40 - addeq r2, r2, #1 - mov r0, r2 - RETINSTR(mov,pc,lr) - diff --git a/arch/arm26/lib/floppydma.S b/arch/arm26/lib/floppydma.S deleted file mode 100644 index e99ebbb20353..000000000000 --- a/arch/arm26/lib/floppydma.S +++ /dev/null @@ -1,32 +0,0 @@ -/* - * linux/arch/arm26/lib/floppydma.S - * - * Copyright (C) 1995, 1996 Russell King - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ -#include <linux/linkage.h> -#include <asm/assembler.h> - .text - - .global floppy_fiqin_end -ENTRY(floppy_fiqin_start) - subs r9, r9, #1 - ldrgtb r12, [r11, #-4] - ldrleb r12, [r11], #0 - strb r12, [r10], #1 - subs pc, lr, #4 -floppy_fiqin_end: - - .global floppy_fiqout_end -ENTRY(floppy_fiqout_start) - subs r9, r9, #1 - ldrgeb r12, [r10], #1 - movlt r12, #0 - strleb r12, [r11], #0 - subles pc, lr, #4 - strb r12, [r11, #-4] - subs pc, lr, #4 -floppy_fiqout_end: diff --git a/arch/arm26/lib/gcclib.h b/arch/arm26/lib/gcclib.h deleted file mode 100644 index 9895e78904b5..000000000000 --- a/arch/arm26/lib/gcclib.h +++ /dev/null @@ -1,21 +0,0 @@ -/* gcclib.h -- definitions for various functions 'borrowed' from gcc-2.95.3 */ -/* I Molton 29/07/01 */ - -#define BITS_PER_UNIT 8 -#define SI_TYPE_SIZE (sizeof (SItype) * BITS_PER_UNIT) - -typedef unsigned int UQItype __attribute__ ((mode (QI))); -typedef int SItype __attribute__ ((mode (SI))); -typedef unsigned int USItype __attribute__ ((mode (SI))); -typedef int DItype __attribute__ ((mode (DI))); -typedef int word_type __attribute__ ((mode (__word__))); -typedef unsigned int UDItype __attribute__ ((mode (DI))); - -struct DIstruct {SItype low, high;}; - -typedef union -{ - struct DIstruct s; - DItype ll; -} DIunion; - diff --git a/arch/arm26/lib/getuser.S b/arch/arm26/lib/getuser.S deleted file mode 100644 index 2b1de7fbfe1f..000000000000 --- a/arch/arm26/lib/getuser.S +++ /dev/null @@ -1,112 +0,0 @@ -/* - * linux/arch/arm26/lib/getuser.S - * - * Copyright (C) 2001 Russell King - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - * - * Idea from x86 version, (C) Copyright 1998 Linus Torvalds - * - * These functions have a non-standard call interface to make them more - * efficient, especially as they return an error value in addition to - * the "real" return value. - * - * __get_user_X - * - * Inputs: r0 contains the address - * Outputs: r0 is the error code - * r1, r2 contains the zero-extended value - * lr corrupted - * - * No other registers must be altered. (see include/asm-arm/uaccess.h - * for specific ASM register usage). - * - * Note that ADDR_LIMIT is either 0 or 0xc0000000. - * Note also that it is intended that __get_user_bad is not global. - */ -#include <asm/asm-offsets.h> -#include <asm/thread_info.h> -#include <asm/errno.h> - - .global __get_user_1 -__get_user_1: - bic r1, sp, #0x1f00 - bic r1, r1, #0x00ff - str lr, [sp, #-4]! - ldr r1, [r1, #TI_ADDR_LIMIT] - sub r1, r1, #1 - cmp r0, r1 - bge __get_user_bad - cmp r0, #0x02000000 -1: ldrlsbt r1, [r0] - ldrgeb r1, [r0] - mov r0, #0 - ldmfd sp!, {pc}^ - - .global __get_user_2 -__get_user_2: - bic r2, sp, #0x1f00 - bic r2, r2, #0x00ff - str lr, [sp, #-4]! - ldr r2, [r2, #TI_ADDR_LIMIT] - sub r2, r2, #2 - cmp r0, r2 - bge __get_user_bad - cmp r0, #0x02000000 -2: ldrlsbt r1, [r0], #1 -3: ldrlsbt r2, [r0] - ldrgeb r1, [r0], #1 - ldrgeb r2, [r0] - orr r1, r1, r2, lsl #8 - mov r0, #0 - ldmfd sp!, {pc}^ - - .global __get_user_4 -__get_user_4: - bic r1, sp, #0x1f00 - bic r1, r1, #0x00ff - str lr, [sp, #-4]! - ldr r1, [r1, #TI_ADDR_LIMIT] - sub r1, r1, #4 - cmp r0, r1 - bge __get_user_bad - cmp r0, #0x02000000 -4: ldrlst r1, [r0] - ldrge r1, [r0] - mov r0, #0 - ldmfd sp!, {pc}^ - - .global __get_user_8 -__get_user_8: - bic r2, sp, #0x1f00 - bic r2, r2, #0x00ff - str lr, [sp, #-4]! - ldr r2, [r2, #TI_ADDR_LIMIT] - sub r2, r2, #8 - cmp r0, r2 - bge __get_user_bad_8 - cmp r0, #0x02000000 -5: ldrlst r1, [r0], #4 -6: ldrlst r2, [r0] - ldrge r1, [r0], #4 - ldrge r2, [r0] - mov r0, #0 - ldmfd sp!, {pc}^ - -__get_user_bad_8: - mov r2, #0 -__get_user_bad: - mov r1, #0 - mov r0, #-EFAULT - ldmfd sp!, {pc}^ - -.section __ex_table, "a" - .long 1b, __get_user_bad - .long 2b, __get_user_bad - .long 3b, __get_user_bad - .long 4b, __get_user_bad - .long 5b, __get_user_bad_8 - .long 6b, __get_user_bad_8 -.previous diff --git a/arch/arm26/lib/io-acorn.S b/arch/arm26/lib/io-acorn.S deleted file mode 100644 index 5f62ade5be39..000000000000 --- a/arch/arm26/lib/io-acorn.S +++ /dev/null @@ -1,70 +0,0 @@ -/* - * linux/arch/arm26/lib/io-acorn.S - * - * Copyright (C) 1995, 1996 Russell King - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ -#include <linux/linkage.h> -#include <asm/assembler.h> -#include <asm/hardware.h> - - .text - .align - - .equ diff_pcio_base, PCIO_BASE - IO_BASE - - .macro outw2 rd - mov r8, \rd, lsl #16 - orr r8, r8, r8, lsr #16 - str r8, [r3, r0, lsl #2] - mov r8, \rd, lsr #16 - orr r8, r8, r8, lsl #16 - str r8, [r3, r0, lsl #2] - .endm - - .macro inw2 rd, mask, temp - ldr \rd, [r0] - and \rd, \rd, \mask - ldr \temp, [r0] - orr \rd, \rd, \temp, lsl #16 - .endm - - .macro addr rd - tst \rd, #0x80000000 - mov \rd, \rd, lsl #2 - add \rd, \rd, #IO_BASE - addeq \rd, \rd, #diff_pcio_base - .endm - -.iosl_warning: - .ascii "<4>insl/outsl not implemented, called from %08lX\0" - .align - -/* - * These make no sense on Acorn machines. - * Print a warning message. - */ -ENTRY(insl) -ENTRY(outsl) - adr r0, .iosl_warning - mov r1, lr - b printk - -@ Purpose: write a memc register -@ Proto : void memc_write(int register, int value); -@ Returns: nothing - -ENTRY(memc_write) - cmp r0, #7 - RETINSTR(movgt,pc,lr) - mov r0, r0, lsl #17 - mov r1, r1, lsl #15 - mov r1, r1, lsr #17 - orr r0, r0, r1, lsl #2 - add r0, r0, #0x03600000 - strb r0, [r0] - RETINSTR(mov,pc,lr) - diff --git a/arch/arm26/lib/io-readsb.S b/arch/arm26/lib/io-readsb.S deleted file mode 100644 index 4c4d99c05856..000000000000 --- a/arch/arm26/lib/io-readsb.S +++ /dev/null @@ -1,116 +0,0 @@ -/* - * linux/arch/arm26/lib/io-readsb.S - * - * Copyright (C) 1995-2000 Russell King - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ -#include <linux/linkage.h> -#include <asm/assembler.h> -#include <asm/hardware.h> - -.insb_align: rsb ip, ip, #4 - cmp ip, r2 - movgt ip, r2 - cmp ip, #2 - ldrb r3, [r0] - strb r3, [r1], #1 - ldrgeb r3, [r0] - strgeb r3, [r1], #1 - ldrgtb r3, [r0] - strgtb r3, [r1], #1 - subs r2, r2, ip - bne .insb_aligned - -ENTRY(__raw_readsb) - teq r2, #0 @ do we have to check for the zero len? - moveq pc, lr - ands ip, r1, #3 - bne .insb_align - -.insb_aligned: stmfd sp!, {r4 - r6, lr} - - subs r2, r2, #16 - bmi .insb_no_16 - -.insb_16_lp: ldrb r3, [r0] - ldrb r4, [r0] - orr r3, r3, r4, lsl #8 - ldrb r4, [r0] - orr r3, r3, r4, lsl #16 - ldrb r4, [r0] - orr r3, r3, r4, lsl #24 - ldrb r4, [r0] - ldrb r5, [r0] - orr r4, r4, r5, lsl #8 - ldrb r5, [r0] - orr r4, r4, r5, lsl #16 - ldrb r5, [r0] - orr r4, r4, r5, lsl #24 - ldrb r5, [r0] - ldrb r6, [r0] - orr r5, r5, r6, lsl #8 - ldrb r6, [r0] - orr r5, r5, r6, lsl #16 - ldrb r6, [r0] - orr r5, r5, r6, lsl #24 - ldrb r6, [r0] - ldrb ip, [r0] - orr r6, r6, ip, lsl #8 - ldrb ip, [r0] - orr r6, r6, ip, lsl #16 - ldrb ip, [r0] - orr r6, r6, ip, lsl #24 - stmia r1!, {r3 - r6} - - subs r2, r2, #16 - bpl .insb_16_lp - - tst r2, #15 - LOADREGS(eqfd, sp!, {r4 - r6, pc}) - -.insb_no_16: tst r2, #8 - beq .insb_no_8 - - ldrb r3, [r0] - ldrb r4, [r0] - orr r3, r3, r4, lsl #8 - ldrb r4, [r0] - orr r3, r3, r4, lsl #16 - ldrb r4, [r0] - orr r3, r3, r4, lsl #24 - ldrb r4, [r0] - ldrb r5, [r0] - orr r4, r4, r5, lsl #8 - ldrb r5, [r0] - orr r4, r4, r5, lsl #16 - ldrb r5, [r0] - orr r4, r4, r5, lsl #24 - stmia r1!, {r3, r4} - -.insb_no_8: tst r2, #4 - beq .insb_no_4 - - ldrb r3, [r0] - ldrb r4, [r0] - orr r3, r3, r4, lsl #8 - ldrb r4, [r0] - orr r3, r3, r4, lsl #16 - ldrb r4, [r0] - orr r3, r3, r4, lsl #24 - str r3, [r1], #4 - -.insb_no_4: ands r2, r2, #3 - LOADREGS(eqfd, sp!, {r4 - r6, pc}) - - cmp r2, #2 - ldrb r3, [r0] - strb r3, [r1], #1 - ldrgeb r3, [r0] - strgeb r3, [r1], #1 - ldrgtb r3, [r0] - strgtb r3, [r1] - - LOADREGS(fd, sp!, {r4 - r6, pc}) diff --git a/arch/arm26/lib/io-readsl.S b/arch/arm26/lib/io-readsl.S deleted file mode 100644 index 7be208bd23c6..000000000000 --- a/arch/arm26/lib/io-readsl.S +++ /dev/null @@ -1,78 +0,0 @@ -/* - * linux/arch/arm26/lib/io-readsl.S - * - * Copyright (C) 1995-2000 Russell King - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ -#include <linux/linkage.h> -#include <asm/assembler.h> -#include <asm/hardware.h> - -/* - * Note that some reads can be aligned on half-word boundaries. - */ -ENTRY(__raw_readsl) - teq r2, #0 @ do we have to check for the zero len? - moveq pc, lr - ands ip, r1, #3 - bne 2f - -1: ldr r3, [r0] - str r3, [r1], #4 - subs r2, r2, #1 - bne 1b - mov pc, lr - -2: cmp ip, #2 - ldr ip, [r0] - blt 4f - bgt 6f - - strb ip, [r1], #1 - mov ip, ip, lsr #8 - strb ip, [r1], #1 - mov ip, ip, lsr #8 -3: subs r2, r2, #1 - ldrne r3, [r0] - orrne ip, ip, r3, lsl #16 - strne ip, [r1], #4 - movne ip, r3, lsr #16 - bne 3b - strb ip, [r1], #1 - mov ip, ip, lsr #8 - strb ip, [r1], #1 - mov pc, lr - -4: strb ip, [r1], #1 - mov ip, ip, lsr #8 - strb ip, [r1], #1 - mov ip, ip, lsr #8 - strb ip, [r1], #1 - mov ip, ip, lsr #8 -5: subs r2, r2, #1 - ldrne r3, [r0] - orrne ip, ip, r3, lsl #8 - strne ip, [r1], #4 - movne ip, r3, lsr #24 - bne 5b - strb ip, [r1], #1 - mov pc, lr - -6: strb ip, [r1], #1 - mov ip, ip, lsr #8 -7: subs r2, r2, #1 - ldrne r3, [r0] - orrne ip, ip, r3, lsl #24 - strne ip, [r1], #4 - movne ip, r3, lsr #8 - bne 7b - strb ip, [r1], #1 - mov ip, ip, lsr #8 - strb ip, [r1], #1 - mov ip, ip, lsr #8 - strb ip, [r1], #1 - mov pc, lr - diff --git a/arch/arm26/lib/io-readsw.S b/arch/arm26/lib/io-readsw.S deleted file mode 100644 index c65c1f28fcff..000000000000 --- a/arch/arm26/lib/io-readsw.S +++ /dev/null @@ -1,107 +0,0 @@ -/* - * linux/arch/arm26/lib/io-readsw.S - * - * Copyright (C) 1995-2000 Russell King - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ -#include <linux/linkage.h> -#include <asm/assembler.h> -#include <asm/hardware.h> - -.insw_bad_alignment: - adr r0, .insw_bad_align_msg - mov r2, lr - b panic -.insw_bad_align_msg: - .asciz "insw: bad buffer alignment (0x%p, lr=0x%08lX)\n" - .align - -.insw_align: tst r1, #1 - bne .insw_bad_alignment - - ldr r3, [r0] - strb r3, [r1], #1 - mov r3, r3, lsr #8 - strb r3, [r1], #1 - - subs r2, r2, #1 - RETINSTR(moveq, pc, lr) - -ENTRY(__raw_readsw) - teq r2, #0 @ do we have to check for the zero len? - moveq pc, lr - tst r1, #3 - bne .insw_align - -.insw_aligned: mov ip, #0xff - orr ip, ip, ip, lsl #8 - stmfd sp!, {r4, r5, r6, lr} - - subs r2, r2, #8 - bmi .no_insw_8 - -.insw_8_lp: ldr r3, [r0] - and r3, r3, ip - ldr r4, [r0] - orr r3, r3, r4, lsl #16 - - ldr r4, [r0] - and r4, r4, ip - ldr r5, [r0] - orr r4, r4, r5, lsl #16 - - ldr r5, [r0] - and r5, r5, ip - ldr r6, [r0] - orr r5, r5, r6, lsl #16 - - ldr r6, [r0] - and r6, r6, ip - ldr lr, [r0] - orr r6, r6, lr, lsl #16 - - stmia r1!, {r3 - r6} - - subs r2, r2, #8 - bpl .insw_8_lp - - tst r2, #7 - LOADREGS(eqfd, sp!, {r4, r5, r6, pc}) - -.no_insw_8: tst r2, #4 - beq .no_insw_4 - - ldr r3, [r0] - and r3, r3, ip - ldr r4, [r0] - orr r3, r3, r4, lsl #16 - - ldr r4, [r0] - and r4, r4, ip - ldr r5, [r0] - orr r4, r4, r5, lsl #16 - - stmia r1!, {r3, r4} - -.no_insw_4: tst r2, #2 - beq .no_insw_2 - - ldr r3, [r0] - and r3, r3, ip - ldr r4, [r0] - orr r3, r3, r4, lsl #16 - - str r3, [r1], #4 - -.no_insw_2: tst r2, #1 - ldrne r3, [r0] - strneb r3, [r1], #1 - movne r3, r3, lsr #8 - strneb r3, [r1] - - LOADREGS(fd, sp!, {r4, r5, r6, pc}) - - diff --git a/arch/arm26/lib/io-writesb.S b/arch/arm26/lib/io-writesb.S deleted file mode 100644 index 16251b4d5101..000000000000 --- a/arch/arm26/lib/io-writesb.S +++ /dev/null @@ -1,122 +0,0 @@ -/* - * linux/arch/arm26/lib/io-writesb.S - * - * Copyright (C) 1995-2000 Russell King - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ -#include <linux/linkage.h> -#include <asm/assembler.h> -#include <asm/hardware.h> - -.outsb_align: rsb ip, ip, #4 - cmp ip, r2 - movgt ip, r2 - cmp ip, #2 - ldrb r3, [r1], #1 - strb r3, [r0] - ldrgeb r3, [r1], #1 - strgeb r3, [r0] - ldrgtb r3, [r1], #1 - strgtb r3, [r0] - subs r2, r2, ip - bne .outsb_aligned - -ENTRY(__raw_writesb) - teq r2, #0 @ do we have to check for the zero len? - moveq pc, lr - ands ip, r1, #3 - bne .outsb_align - -.outsb_aligned: stmfd sp!, {r4 - r6, lr} - - subs r2, r2, #16 - bmi .outsb_no_16 - -.outsb_16_lp: ldmia r1!, {r3 - r6} - - strb r3, [r0] - mov r3, r3, lsr #8 - strb r3, [r0] - mov r3, r3, lsr #8 - strb r3, [r0] - mov r3, r3, lsr #8 - strb r3, [r0] - - strb r4, [r0] - mov r4, r4, lsr #8 - strb r4, [r0] - mov r4, r4, lsr #8 - strb r4, [r0] - mov r4, r4, lsr #8 - strb r4, [r0] - - strb r5, [r0] - mov r5, r5, lsr #8 - strb r5, [r0] - mov r5, r5, lsr #8 - strb r5, [r0] - mov r5, r5, lsr #8 - strb r5, [r0] - - strb r6, [r0] - mov r6, r6, lsr #8 - strb r6, [r0] - mov r6, r6, lsr #8 - strb r6, [r0] - mov r6, r6, lsr #8 - strb r6, [r0] - - subs r2, r2, #16 - bpl .outsb_16_lp - - tst r2, #15 - LOADREGS(eqfd, sp!, {r4 - r6, pc}) - -.outsb_no_16: tst r2, #8 - beq .outsb_no_8 - - ldmia r1!, {r3, r4} - - strb r3, [r0] - mov r3, r3, lsr #8 - strb r3, [r0] - mov r3, r3, lsr #8 - strb r3, [r0] - mov r3, r3, lsr #8 - strb r3, [r0] - - strb r4, [r0] - mov r4, r4, lsr #8 - strb r4, [r0] - mov r4, r4, lsr #8 - strb r4, [r0] - mov r4, r4, lsr #8 - strb r4, [r0] - -.outsb_no_8: tst r2, #4 - beq .outsb_no_4 - - ldr r3, [r1], #4 - strb r3, [r0] - mov r3, r3, lsr #8 - strb r3, [r0] - mov r3, r3, lsr #8 - strb r3, [r0] - mov r3, r3, lsr #8 - strb r3, [r0] - -.outsb_no_4: ands r2, r2, #3 - LOADREGS(eqfd, sp!, {r4 - r6, pc}) - - cmp r2, #2 - ldrb r3, [r1], #1 - strb r3, [r0] - ldrgeb r3, [r1], #1 - strgeb r3, [r0] - ldrgtb r3, [r1] - strgtb r3, [r0] - - LOADREGS(fd, sp!, {r4 - r6, pc}) diff --git a/arch/arm26/lib/io-writesl.S b/arch/arm26/lib/io-writesl.S deleted file mode 100644 index 4d6049b16e71..000000000000 --- a/arch/arm26/lib/io-writesl.S +++ /dev/null @@ -1,56 +0,0 @@ -/* - * linux/arch/arm26/lib/io-writesl.S - * - * Copyright (C) 1995-2000 Russell King - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ -#include <linux/linkage.h> -#include <asm/assembler.h> -#include <asm/hardware.h> - -ENTRY(__raw_writesl) - teq r2, #0 @ do we have to check for the zero len? - moveq pc, lr - ands ip, r1, #3 - bne 2f - -1: ldr r3, [r1], #4 - str r3, [r0] - subs r2, r2, #1 - bne 1b - mov pc, lr - -2: bic r1, r1, #3 - cmp ip, #2 - ldr r3, [r1], #4 - bgt 4f - blt 5f - -3: mov ip, r3, lsr #16 - ldr r3, [r1], #4 - orr ip, ip, r3, lsl #16 - str ip, [r0] - subs r2, r2, #1 - bne 3b - mov pc, lr - -4: mov ip, r3, lsr #24 - ldr r3, [r1], #4 - orr ip, ip, r3, lsl #8 - str ip, [r0] - subs r2, r2, #1 - bne 4b - mov pc, lr - -5: mov ip, r3, lsr #8 - ldr r3, [r1], #4 - orr ip, ip, r3, lsl #24 - str ip, [r0] - subs r2, r2, #1 - bne 5b - mov pc, lr - - diff --git a/arch/arm26/lib/io-writesw.S b/arch/arm26/lib/io-writesw.S deleted file mode 100644 index a24f891f6b1c..000000000000 --- a/arch/arm26/lib/io-writesw.S +++ /dev/null @@ -1,127 +0,0 @@ -/* - * linux/arch/arm26/lib/io-writesw.S - * - * Copyright (C) 1995-2000 Russell King - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ -#include <linux/linkage.h> -#include <asm/assembler.h> -#include <asm/hardware.h> - -.outsw_bad_alignment: - adr r0, .outsw_bad_align_msg - mov r2, lr - b panic -.outsw_bad_align_msg: - .asciz "outsw: bad buffer alignment (0x%p, lr=0x%08lX)\n" - .align - -.outsw_align: tst r1, #1 - bne .outsw_bad_alignment - - add r1, r1, #2 - - ldr r3, [r1, #-4] - mov r3, r3, lsr #16 - orr r3, r3, r3, lsl #16 - str r3, [r0] - subs r2, r2, #1 - RETINSTR(moveq, pc, lr) - -ENTRY(__raw_writesw) - teq r2, #0 @ do we have to check for the zero len? - moveq pc, lr - tst r1, #3 - bne .outsw_align - -.outsw_aligned: stmfd sp!, {r4, r5, r6, lr} - - subs r2, r2, #8 - bmi .no_outsw_8 - -.outsw_8_lp: ldmia r1!, {r3, r4, r5, r6} - - mov ip, r3, lsl #16 - orr ip, ip, ip, lsr #16 - str ip, [r0] - - mov ip, r3, lsr #16 - orr ip, ip, ip, lsl #16 - str ip, [r0] - - mov ip, r4, lsl #16 - orr ip, ip, ip, lsr #16 - str ip, [r0] - - mov ip, r4, lsr #16 - orr ip, ip, ip, lsl #16 - str ip, [r0] - - mov ip, r5, lsl #16 - orr ip, ip, ip, lsr #16 - str ip, [r0] - - mov ip, r5, lsr #16 - orr ip, ip, ip, lsl #16 - str ip, [r0] - - mov ip, r6, lsl #16 - orr ip, ip, ip, lsr #16 - str ip, [r0] - - mov ip, r6, lsr #16 - orr ip, ip, ip, lsl #16 - str ip, [r0] - - subs r2, r2, #8 - bpl .outsw_8_lp - - tst r2, #7 - LOADREGS(eqfd, sp!, {r4, r5, r6, pc}) - -.no_outsw_8: tst r2, #4 - beq .no_outsw_4 - - ldmia r1!, {r3, r4} - - mov ip, r3, lsl #16 - orr ip, ip, ip, lsr #16 - str ip, [r0] - - mov ip, r3, lsr #16 - orr ip, ip, ip, lsl #16 - str ip, [r0] - - mov ip, r4, lsl #16 - orr ip, ip, ip, lsr #16 - str ip, [r0] - - mov ip, r4, lsr #16 - orr ip, ip, ip, lsl #16 - str ip, [r0] - -.no_outsw_4: tst r2, #2 - beq .no_outsw_2 - - ldr r3, [r1], #4 - - mov ip, r3, lsl #16 - orr ip, ip, ip, lsr #16 - str ip, [r0] - - mov ip, r3, lsr #16 - orr ip, ip, ip, lsl #16 - str ip, [r0] - -.no_outsw_2: tst r2, #1 - - ldrne r3, [r1] - - movne ip, r3, lsl #16 - orrne ip, ip, ip, lsr #16 - strne ip, [r0] - - LOADREGS(fd, sp!, {r4, r5, r6, pc}) diff --git a/arch/arm26/lib/kbd.c b/arch/arm26/lib/kbd.c deleted file mode 100644 index cb56e943e006..000000000000 --- a/arch/arm26/lib/kbd.c +++ /dev/null @@ -1,278 +0,0 @@ -#include <linux/kd.h> -//#include <linux/kbd_ll.h> -#include <linux/kbd_kern.h> - -/* - * Translation of escaped scancodes to keycodes. - * This is now user-settable. - * The keycodes 1-88,96-111,119 are fairly standard, and - * should probably not be changed - changing might confuse X. - * X also interprets scancode 0x5d (KEY_Begin). - * - * For 1-88 keycode equals scancode. - */ - -#define E0_KPENTER 96 -#define E0_RCTRL 97 -#define E0_KPSLASH 98 -#define E0_PRSCR 99 -#define E0_RALT 100 -#define E0_BREAK 101 /* (control-pause) */ -#define E0_HOME 102 -#define E0_UP 103 -#define E0_PGUP 104 -#define E0_LEFT 105 -#define E0_RIGHT 106 -#define E0_END 107 -#define E0_DOWN 108 -#define E0_PGDN 109 -#define E0_INS 110 -#define E0_DEL 111 - -/* for USB 106 keyboard */ -#define E0_YEN 124 -#define E0_BACKSLASH 89 - - -#define E1_PAUSE 119 - -/* - * The keycodes below are randomly located in 89-95,112-118,120-127. - * They could be thrown away (and all occurrences below replaced by 0), - * but that would force many users to use the `setkeycodes' utility, where - * they needed not before. It does not matter that there are duplicates, as - * long as no duplication occurs for any single keyboard. - */ -#define SC_LIM 89 - -#define FOCUS_PF1 85 /* actual code! */ -#define FOCUS_PF2 89 -#define FOCUS_PF3 90 -#define FOCUS_PF4 91 -#define FOCUS_PF5 92 -#define FOCUS_PF6 93 -#define FOCUS_PF7 94 -#define FOCUS_PF8 95 -#define FOCUS_PF9 120 -#define FOCUS_PF10 121 -#define FOCUS_PF11 122 -#define FOCUS_PF12 123 - -#define JAP_86 124 -/* tfj@olivia.ping.dk: - * The four keys are located over the numeric keypad, and are - * labelled A1-A4. It's an rc930 keyboard, from - * Regnecentralen/RC International, Now ICL. - * Scancodes: 59, 5a, 5b, 5c. - */ -#define RGN1 124 -#define RGN2 125 -#define RGN3 126 -#define RGN4 127 - -static unsigned char high_keys[128 - SC_LIM] = { - RGN1, RGN2, RGN3, RGN4, 0, 0, 0, /* 0x59-0x5f */ - 0, 0, 0, 0, 0, 0, 0, 0, /* 0x60-0x67 */ - 0, 0, 0, 0, 0, FOCUS_PF11, 0, FOCUS_PF12, /* 0x68-0x6f */ - 0, 0, 0, FOCUS_PF2, FOCUS_PF9, 0, 0, FOCUS_PF3, /* 0x70-0x77 */ - FOCUS_PF4, FOCUS_PF5, FOCUS_PF6, FOCUS_PF7, /* 0x78-0x7b */ - FOCUS_PF8, JAP_86, FOCUS_PF10, 0 /* 0x7c-0x7f */ -}; - -/* BTC */ -#define E0_MACRO 112 -/* LK450 */ -#define E0_F13 113 -#define E0_F14 114 -#define E0_HELP 115 -#define E0_DO 116 -#define E0_F17 117 -#define E0_KPMINPLUS 118 -/* - * My OmniKey generates e0 4c for the "OMNI" key and the - * right alt key does nada. [kkoller@nyx10.cs.du.edu] - */ -#define E0_OK 124 -/* - * New microsoft keyboard is rumoured to have - * e0 5b (left window button), e0 5c (right window button), - * e0 5d (menu button). [or: LBANNER, RBANNER, RMENU] - * [or: Windows_L, Windows_R, TaskMan] - */ -#define E0_MSLW 125 -#define E0_MSRW 126 -#define E0_MSTM 127 - -static unsigned char e0_keys[128] = { - 0, 0, 0, 0, 0, 0, 0, 0, /* 0x00-0x07 */ - 0, 0, 0, 0, 0, 0, 0, 0, /* 0x08-0x0f */ - 0, 0, 0, 0, 0, 0, 0, 0, /* 0x10-0x17 */ - 0, 0, 0, 0, E0_KPENTER, E0_RCTRL, 0, 0, /* 0x18-0x1f */ - 0, 0, 0, 0, 0, 0, 0, 0, /* 0x20-0x27 */ - 0, 0, 0, 0, 0, 0, 0, 0, /* 0x28-0x2f */ - 0, 0, 0, 0, 0, E0_KPSLASH, 0, E0_PRSCR, /* 0x30-0x37 */ - E0_RALT, 0, 0, 0, 0, E0_F13, E0_F14, E0_HELP, /* 0x38-0x3f */ - E0_DO, E0_F17, 0, 0, 0, 0, E0_BREAK, E0_HOME, /* 0x40-0x47 */ - E0_UP, E0_PGUP, 0, E0_LEFT, E0_OK, E0_RIGHT, E0_KPMINPLUS, E0_END, /* 0x48-0x4f */ - E0_DOWN, E0_PGDN, E0_INS, E0_DEL, 0, 0, 0, 0, /* 0x50-0x57 */ - 0, 0, 0, E0_MSLW, E0_MSRW, E0_MSTM, 0, 0, /* 0x58-0x5f */ - 0, 0, 0, 0, 0, 0, 0, 0, /* 0x60-0x67 */ - 0, 0, 0, 0, 0, 0, 0, E0_MACRO, /* 0x68-0x6f */ - //0, 0, 0, 0, 0, 0, 0, 0, /* 0x70-0x77 */ - 0, 0, 0, 0, 0, E0_BACKSLASH, 0, 0, /* 0x70-0x77 */ - 0, 0, 0, E0_YEN, 0, 0, 0, 0 /* 0x78-0x7f */ -}; - -static int gen_setkeycode(unsigned int scancode, unsigned int keycode) -{ - if (scancode < SC_LIM || scancode > 255 || keycode > 127) - return -EINVAL; - if (scancode < 128) - high_keys[scancode - SC_LIM] = keycode; - else - e0_keys[scancode - 128] = keycode; - return 0; -} - -static int gen_getkeycode(unsigned int scancode) -{ - return - (scancode < SC_LIM || scancode > 255) ? -EINVAL : - (scancode < - 128) ? high_keys[scancode - SC_LIM] : e0_keys[scancode - 128]; -} - -static int -gen_translate(unsigned char scancode, unsigned char *keycode, char raw_mode) -{ - static int prev_scancode; - - /* special prefix scancodes.. */ - if (scancode == 0xe0 || scancode == 0xe1) { - prev_scancode = scancode; - return 0; - } - - /* 0xFF is sent by a few keyboards, ignore it. 0x00 is error */ - if (scancode == 0x00 || scancode == 0xff) { - prev_scancode = 0; - return 0; - } - - scancode &= 0x7f; - - if (prev_scancode) { - /* - * usually it will be 0xe0, but a Pause key generates - * e1 1d 45 e1 9d c5 when pressed, and nothing when released - */ - if (prev_scancode != 0xe0) { - if (prev_scancode == 0xe1 && scancode == 0x1d) { - prev_scancode = 0x100; - return 0; - } - else if (prev_scancode == 0x100 - && scancode == 0x45) { - *keycode = E1_PAUSE; - prev_scancode = 0; - } else { -#ifdef KBD_REPORT_UNKN - if (!raw_mode) - printk(KERN_INFO - "keyboard: unknown e1 escape sequence\n"); -#endif - prev_scancode = 0; - return 0; - } - } else { - prev_scancode = 0; - /* - * The keyboard maintains its own internal caps lock and - * num lock statuses. In caps lock mode E0 AA precedes make - * code and E0 2A follows break code. In num lock mode, - * E0 2A precedes make code and E0 AA follows break code. - * We do our own book-keeping, so we will just ignore these. - */ - /* - * For my keyboard there is no caps lock mode, but there are - * both Shift-L and Shift-R modes. The former mode generates - * E0 2A / E0 AA pairs, the latter E0 B6 / E0 36 pairs. - * So, we should also ignore the latter. - aeb@cwi.nl - */ - if (scancode == 0x2a || scancode == 0x36) - return 0; - - if (e0_keys[scancode]) - *keycode = e0_keys[scancode]; - else { -#ifdef KBD_REPORT_UNKN - if (!raw_mode) - printk(KERN_INFO - "keyboard: unknown scancode e0 %02x\n", - scancode); -#endif - return 0; - } - } - } else if (scancode >= SC_LIM) { - /* This happens with the FOCUS 9000 keyboard - Its keys PF1..PF12 are reported to generate - 55 73 77 78 79 7a 7b 7c 74 7e 6d 6f - Moreover, unless repeated, they do not generate - key-down events, so we have to zero up_flag below */ - /* Also, Japanese 86/106 keyboards are reported to - generate 0x73 and 0x7d for \ - and \ | respectively. */ - /* Also, some Brazilian keyboard is reported to produce - 0x73 and 0x7e for \ ? and KP-dot, respectively. */ - - *keycode = high_keys[scancode - SC_LIM]; - - if (!*keycode) { - if (!raw_mode) { -#ifdef KBD_REPORT_UNKN - printk(KERN_INFO - "keyboard: unrecognized scancode (%02x)" - " - ignored\n", scancode); -#endif - } - return 0; - } - } else - *keycode = scancode; - return 1; -} - -static char gen_unexpected_up(unsigned char keycode) -{ - /* unexpected, but this can happen: maybe this was a key release for a - FOCUS 9000 PF key; if we want to see it, we have to clear up_flag */ - if (keycode >= SC_LIM || keycode == 85) - return 0; - else - return 0200; -} - -/* - * These are the default mappings - */ -int (*k_setkeycode)(unsigned int, unsigned int) = gen_setkeycode; -int (*k_getkeycode)(unsigned int) = gen_getkeycode; -int (*k_translate)(unsigned char, unsigned char *, char) = gen_translate; -char (*k_unexpected_up)(unsigned char) = gen_unexpected_up; -void (*k_leds)(unsigned char); - -/* Simple translation table for the SysRq keys */ - -#ifdef CONFIG_MAGIC_SYSRQ -static unsigned char gen_sysrq_xlate[128] = - "\000\0331234567890-=\177\t" /* 0x00 - 0x0f */ - "qwertyuiop[]\r\000as" /* 0x10 - 0x1f */ - "dfghjkl;'`\000\\zxcv" /* 0x20 - 0x2f */ - "bnm,./\000*\000 \000\201\202\203\204\205" /* 0x30 - 0x3f */ - "\206\207\210\211\212\000\000789-456+1" /* 0x40 - 0x4f */ - "230\177\000\000\213\214\000\000\000\000\000\000\000\000\000\000" /* 0x50 - 0x5f */ - "\r\000/"; /* 0x60 - 0x6f */ - -unsigned char *k_sysrq_xlate = gen_sysrq_xlate; -int k_sysrq_key = 0x54; -#endif diff --git a/arch/arm26/lib/lib1funcs.S b/arch/arm26/lib/lib1funcs.S deleted file mode 100644 index 0e29970b0e8a..000000000000 --- a/arch/arm26/lib/lib1funcs.S +++ /dev/null @@ -1,313 +0,0 @@ -@ libgcc1 routines for ARM cpu. -@ Division routines, written by Richard Earnshaw, (rearnsha@armltd.co.uk) - -/* Copyright (C) 1995, 1996, 1998 Free Software Foundation, Inc. - -This file is free software; you can redistribute it and/or modify it -under the terms of the GNU General Public License as published by the -Free Software Foundation; either version 2, or (at your option) any -later version. - -In addition to the permissions in the GNU General Public License, the -Free Software Foundation gives you unlimited permission to link the -compiled version of this file with other programs, and to distribute -those programs without any restriction coming from the use of this -file. (The General Public License restrictions do apply in other -respects; for example, they cover modification of the file, and -distribution when not linked into another program.) - -This file is distributed in the hope that it will be useful, but -WITHOUT ANY WARRANTY; without even the implied warranty of -MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU -General Public License for more details. - -You should have received a copy of the GNU General Public License -along with this program; see the file COPYING. If not, write to -the Free Software Foundation, 59 Temple Place - Suite 330, -Boston, MA 02111-1307, USA. */ - -/* As a special exception, if you link this library with other files, - some of which are compiled with GCC, to produce an executable, - this library does not by itself cause the resulting executable - to be covered by the GNU General Public License. - This exception does not however invalidate any other reasons why - the executable file might be covered by the GNU General Public License. - */ -/* This code is derived from gcc 2.95.3 */ -/* I Molton 29/07/01 */ - -#include <linux/linkage.h> -#include <asm/assembler.h> -#include <asm/hardware.h> - -#define RET movs -#define RETc(x) mov##x##s -#define RETCOND ^ - -dividend .req r0 -divisor .req r1 -result .req r2 -overdone .req r2 -curbit .req r3 -ip .req r12 -sp .req r13 -lr .req r14 -pc .req r15 - -ENTRY(__udivsi3) - cmp divisor, #0 - beq Ldiv0 - mov curbit, #1 - mov result, #0 - cmp dividend, divisor - bcc Lgot_result_udivsi3 -1: - @ Unless the divisor is very big, shift it up in multiples of - @ four bits, since this is the amount of unwinding in the main - @ division loop. Continue shifting until the divisor is - @ larger than the dividend. - cmp divisor, #0x10000000 - cmpcc divisor, dividend - movcc divisor, divisor, lsl #4 - movcc curbit, curbit, lsl #4 - bcc 1b - -2: - @ For very big divisors, we must shift it a bit at a time, or - @ we will be in danger of overflowing. - cmp divisor, #0x80000000 - cmpcc divisor, dividend - movcc divisor, divisor, lsl #1 - movcc curbit, curbit, lsl #1 - bcc 2b - -3: - @ Test for possible subtractions, and note which bits - @ are done in the result. On the final pass, this may subtract - @ too much from the dividend, but the result will be ok, since the - @ "bit" will have been shifted out at the bottom. - cmp dividend, divisor - subcs dividend, dividend, divisor - orrcs result, result, curbit - cmp dividend, divisor, lsr #1 - subcs dividend, dividend, divisor, lsr #1 - orrcs result, result, curbit, lsr #1 - cmp dividend, divisor, lsr #2 - subcs dividend, dividend, divisor, lsr #2 - orrcs result, result, curbit, lsr #2 - cmp dividend, divisor, lsr #3 - subcs dividend, dividend, divisor, lsr #3 - orrcs result, result, curbit, lsr #3 - cmp dividend, #0 @ Early termination? - movnes curbit, curbit, lsr #4 @ No, any more bits to do? - movne divisor, divisor, lsr #4 - bne 3b -Lgot_result_udivsi3: - mov r0, result - RET pc, lr - -Ldiv0: - str lr, [sp, #-4]! - bl __div0 - mov r0, #0 @ about as wrong as it could be - ldmia sp!, {pc}RETCOND - -/* __umodsi3 ----------------------- */ - -ENTRY(__umodsi3) - cmp divisor, #0 - beq Ldiv0 - mov curbit, #1 - cmp dividend, divisor - RETc(cc) pc, lr -1: - @ Unless the divisor is very big, shift it up in multiples of - @ four bits, since this is the amount of unwinding in the main - @ division loop. Continue shifting until the divisor is - @ larger than the dividend. - cmp divisor, #0x10000000 - cmpcc divisor, dividend - movcc divisor, divisor, lsl #4 - movcc curbit, curbit, lsl #4 - bcc 1b - -2: - @ For very big divisors, we must shift it a bit at a time, or - @ we will be in danger of overflowing. - cmp divisor, #0x80000000 - cmpcc divisor, dividend - movcc divisor, divisor, lsl #1 - movcc curbit, curbit, lsl #1 - bcc 2b - -3: - @ Test for possible subtractions. On the final pass, this may - @ subtract too much from the dividend, so keep track of which - @ subtractions are done, we can fix them up afterwards... - mov overdone, #0 - cmp dividend, divisor - subcs dividend, dividend, divisor - cmp dividend, divisor, lsr #1 - subcs dividend, dividend, divisor, lsr #1 - orrcs overdone, overdone, curbit, ror #1 - cmp dividend, divisor, lsr #2 - subcs dividend, dividend, divisor, lsr #2 - orrcs overdone, overdone, curbit, ror #2 - cmp dividend, divisor, lsr #3 - subcs dividend, dividend, divisor, lsr #3 - orrcs overdone, overdone, curbit, ror #3 - mov ip, curbit - cmp dividend, #0 @ Early termination? - movnes curbit, curbit, lsr #4 @ No, any more bits to do? - movne divisor, divisor, lsr #4 - bne 3b - - @ Any subtractions that we should not have done will be recorded in - @ the top three bits of "overdone". Exactly which were not needed - @ are governed by the position of the bit, stored in ip. - @ If we terminated early, because dividend became zero, - @ then none of the below will match, since the bit in ip will not be - @ in the bottom nibble. - ands overdone, overdone, #0xe0000000 - RETc(eq) pc, lr @ No fixups needed - tst overdone, ip, ror #3 - addne dividend, dividend, divisor, lsr #3 - tst overdone, ip, ror #2 - addne dividend, dividend, divisor, lsr #2 - tst overdone, ip, ror #1 - addne dividend, dividend, divisor, lsr #1 - RET pc, lr - -ENTRY(__divsi3) - eor ip, dividend, divisor @ Save the sign of the result. - mov curbit, #1 - mov result, #0 - cmp divisor, #0 - rsbmi divisor, divisor, #0 @ Loops below use unsigned. - beq Ldiv0 - cmp dividend, #0 - rsbmi dividend, dividend, #0 - cmp dividend, divisor - bcc Lgot_result_divsi3 - -1: - @ Unless the divisor is very big, shift it up in multiples of - @ four bits, since this is the amount of unwinding in the main - @ division loop. Continue shifting until the divisor is - @ larger than the dividend. - cmp divisor, #0x10000000 - cmpcc divisor, dividend - movcc divisor, divisor, lsl #4 - movcc curbit, curbit, lsl #4 - bcc 1b - -2: - @ For very big divisors, we must shift it a bit at a time, or - @ we will be in danger of overflowing. - cmp divisor, #0x80000000 - cmpcc divisor, dividend - movcc divisor, divisor, lsl #1 - movcc curbit, curbit, lsl #1 - bcc 2b - -3: - @ Test for possible subtractions, and note which bits - @ are done in the result. On the final pass, this may subtract - @ too much from the dividend, but the result will be ok, since the - @ "bit" will have been shifted out at the bottom. - cmp dividend, divisor - subcs dividend, dividend, divisor - orrcs result, result, curbit - cmp dividend, divisor, lsr #1 - subcs dividend, dividend, divisor, lsr #1 - orrcs result, result, curbit, lsr #1 - cmp dividend, divisor, lsr #2 - subcs dividend, dividend, divisor, lsr #2 - orrcs result, result, curbit, lsr #2 - cmp dividend, divisor, lsr #3 - subcs dividend, dividend, divisor, lsr #3 - orrcs result, result, curbit, lsr #3 - cmp dividend, #0 @ Early termination? - movnes curbit, curbit, lsr #4 @ No, any more bits to do? - movne divisor, divisor, lsr #4 - bne 3b -Lgot_result_divsi3: - mov r0, result - cmp ip, #0 - rsbmi r0, r0, #0 - RET pc, lr - -ENTRY(__modsi3) - mov curbit, #1 - cmp divisor, #0 - rsbmi divisor, divisor, #0 @ Loops below use unsigned. - beq Ldiv0 - @ Need to save the sign of the dividend, unfortunately, we need - @ ip later on; this is faster than pushing lr and using that. - str dividend, [sp, #-4]! - cmp dividend, #0 - rsbmi dividend, dividend, #0 - cmp dividend, divisor - bcc Lgot_result_modsi3 - -1: - @ Unless the divisor is very big, shift it up in multiples of - @ four bits, since this is the amount of unwinding in the main - @ division loop. Continue shifting until the divisor is - @ larger than the dividend. - cmp divisor, #0x10000000 - cmpcc divisor, dividend - movcc divisor, divisor, lsl #4 - movcc curbit, curbit, lsl #4 - bcc 1b - -2: - @ For very big divisors, we must shift it a bit at a time, or - @ we will be in danger of overflowing. - cmp divisor, #0x80000000 - cmpcc divisor, dividend - movcc divisor, divisor, lsl #1 - movcc curbit, curbit, lsl #1 - bcc 2b - -3: - @ Test for possible subtractions. On the final pass, this may - @ subtract too much from the dividend, so keep track of which - @ subtractions are done, we can fix them up afterwards... - mov overdone, #0 - cmp dividend, divisor - subcs dividend, dividend, divisor - cmp dividend, divisor, lsr #1 - subcs dividend, dividend, divisor, lsr #1 - orrcs overdone, overdone, curbit, ror #1 - cmp dividend, divisor, lsr #2 - subcs dividend, dividend, divisor, lsr #2 - orrcs overdone, overdone, curbit, ror #2 - cmp dividend, divisor, lsr #3 - subcs dividend, dividend, divisor, lsr #3 - orrcs overdone, overdone, curbit, ror #3 - mov ip, curbit - cmp dividend, #0 @ Early termination? - movnes curbit, curbit, lsr #4 @ No, any more bits to do? - movne divisor, divisor, lsr #4 - bne 3b - - @ Any subtractions that we should not have done will be recorded in - @ the top three bits of "overdone". Exactly which were not needed - @ are governed by the position of the bit, stored in ip. - @ If we terminated early, because dividend became zero, - @ then none of the below will match, since the bit in ip will not be - @ in the bottom nibble. - ands overdone, overdone, #0xe0000000 - beq Lgot_result_modsi3 - tst overdone, ip, ror #3 - addne dividend, dividend, divisor, lsr #3 - tst overdone, ip, ror #2 - addne dividend, dividend, divisor, lsr #2 - tst overdone, ip, ror #1 - addne dividend, dividend, divisor, lsr #1 -Lgot_result_modsi3: - ldr ip, [sp], #4 - cmp ip, #0 - rsbmi dividend, dividend, #0 - RET pc, lr diff --git a/arch/arm26/lib/longlong.h b/arch/arm26/lib/longlong.h deleted file mode 100644 index 05ec1abd6a2c..000000000000 --- a/arch/arm26/lib/longlong.h +++ /dev/null @@ -1,184 +0,0 @@ -/* longlong.h -- based on code from gcc-2.95.3 - - definitions for mixed size 32/64 bit arithmetic. - Copyright (C) 1991, 92, 94, 95, 96, 1997, 1998 Free Software Foundation, Inc. - - This definition file is free software; you can redistribute it - and/or modify it under the terms of the GNU General Public - License as published by the Free Software Foundation; either - version 2, or (at your option) any later version. - - This definition file is distributed in the hope that it will be - useful, but WITHOUT ANY WARRANTY; without even the implied - warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. - See the GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software - Foundation, Inc., 59 Temple Place - Suite 330, - Boston, MA 02111-1307, USA. */ - -/* Borrowed from GCC 2.95.3, I Molton 29/07/01 */ - -#ifndef SI_TYPE_SIZE -#define SI_TYPE_SIZE 32 -#endif - -#define __BITS4 (SI_TYPE_SIZE / 4) -#define __ll_B (1L << (SI_TYPE_SIZE / 2)) -#define __ll_lowpart(t) ((USItype) (t) % __ll_B) -#define __ll_highpart(t) ((USItype) (t) / __ll_B) - -/* Define auxiliary asm macros. - - 1) umul_ppmm(high_prod, low_prod, multipler, multiplicand) - multiplies two USItype integers MULTIPLER and MULTIPLICAND, - and generates a two-part USItype product in HIGH_PROD and - LOW_PROD. - - 2) __umulsidi3(a,b) multiplies two USItype integers A and B, - and returns a UDItype product. This is just a variant of umul_ppmm. - - 3) udiv_qrnnd(quotient, remainder, high_numerator, low_numerator, - denominator) divides a two-word unsigned integer, composed by the - integers HIGH_NUMERATOR and LOW_NUMERATOR, by DENOMINATOR and - places the quotient in QUOTIENT and the remainder in REMAINDER. - HIGH_NUMERATOR must be less than DENOMINATOR for correct operation. - If, in addition, the most significant bit of DENOMINATOR must be 1, - then the pre-processor symbol UDIV_NEEDS_NORMALIZATION is defined to 1. - - 4) sdiv_qrnnd(quotient, remainder, high_numerator, low_numerator, - denominator). Like udiv_qrnnd but the numbers are signed. The - quotient is rounded towards 0. - - 5) count_leading_zeros(count, x) counts the number of zero-bits from - the msb to the first non-zero bit. This is the number of steps X - needs to be shifted left to set the msb. Undefined for X == 0. - - 6) add_ssaaaa(high_sum, low_sum, high_addend_1, low_addend_1, - high_addend_2, low_addend_2) adds two two-word unsigned integers, - composed by HIGH_ADDEND_1 and LOW_ADDEND_1, and HIGH_ADDEND_2 and - LOW_ADDEND_2 respectively. The result is placed in HIGH_SUM and - LOW_SUM. Overflow (i.e. carry out) is not stored anywhere, and is - lost. - - 7) sub_ddmmss(high_difference, low_difference, high_minuend, - low_minuend, high_subtrahend, low_subtrahend) subtracts two - two-word unsigned integers, composed by HIGH_MINUEND_1 and - LOW_MINUEND_1, and HIGH_SUBTRAHEND_2 and LOW_SUBTRAHEND_2 - respectively. The result is placed in HIGH_DIFFERENCE and - LOW_DIFFERENCE. Overflow (i.e. carry out) is not stored anywhere, - and is lost. - - If any of these macros are left undefined for a particular CPU, - C macros are used. */ - -#if defined (__arm__) -#define add_ssaaaa(sh, sl, ah, al, bh, bl) \ - __asm__ ("adds %1, %4, %5 \n\ - adc %0, %2, %3" \ - : "=r" ((USItype) (sh)), \ - "=&r" ((USItype) (sl)) \ - : "%r" ((USItype) (ah)), \ - "rI" ((USItype) (bh)), \ - "%r" ((USItype) (al)), \ - "rI" ((USItype) (bl))) -#define sub_ddmmss(sh, sl, ah, al, bh, bl) \ - __asm__ ("subs %1, %4, %5 \n\ - sbc %0, %2, %3" \ - : "=r" ((USItype) (sh)), \ - "=&r" ((USItype) (sl)) \ - : "r" ((USItype) (ah)), \ - "rI" ((USItype) (bh)), \ - "r" ((USItype) (al)), \ - "rI" ((USItype) (bl))) -#define umul_ppmm(xh, xl, a, b) \ -{register USItype __t0, __t1, __t2; \ - __asm__ ("%@ Inlined umul_ppmm \n\ - mov %2, %5, lsr #16 \n\ - mov %0, %6, lsr #16 \n\ - bic %3, %5, %2, lsl #16 \n\ - bic %4, %6, %0, lsl #16 \n\ - mul %1, %3, %4 \n\ - mul %4, %2, %4 \n\ - mul %3, %0, %3 \n\ - mul %0, %2, %0 \n\ - adds %3, %4, %3 \n\ - addcs %0, %0, #65536 \n\ - adds %1, %1, %3, lsl #16 \n\ - adc %0, %0, %3, lsr #16" \ - : "=&r" ((USItype) (xh)), \ - "=r" ((USItype) (xl)), \ - "=&r" (__t0), "=&r" (__t1), "=r" (__t2) \ - : "r" ((USItype) (a)), \ - "r" ((USItype) (b)));} -#define UMUL_TIME 20 -#define UDIV_TIME 100 -#endif /* __arm__ */ - -#define __umulsidi3(u, v) \ - ({DIunion __w; \ - umul_ppmm (__w.s.high, __w.s.low, u, v); \ - __w.ll; }) - -#define __udiv_qrnnd_c(q, r, n1, n0, d) \ - do { \ - USItype __d1, __d0, __q1, __q0; \ - USItype __r1, __r0, __m; \ - __d1 = __ll_highpart (d); \ - __d0 = __ll_lowpart (d); \ - \ - __r1 = (n1) % __d1; \ - __q1 = (n1) / __d1; \ - __m = (USItype) __q1 * __d0; \ - __r1 = __r1 * __ll_B | __ll_highpart (n0); \ - if (__r1 < __m) \ - { \ - __q1--, __r1 += (d); \ - if (__r1 >= (d)) /* i.e. we didn't get carry when adding to __r1 */\ - if (__r1 < __m) \ - __q1--, __r1 += (d); \ - } \ - __r1 -= __m; \ - \ - __r0 = __r1 % __d1; \ - __q0 = __r1 / __d1; \ - __m = (USItype) __q0 * __d0; \ - __r0 = __r0 * __ll_B | __ll_lowpart (n0); \ - if (__r0 < __m) \ - { \ - __q0--, __r0 += (d); \ - if (__r0 >= (d)) \ - if (__r0 < __m) \ - __q0--, __r0 += (d); \ - } \ - __r0 -= __m; \ - \ - (q) = (USItype) __q1 * __ll_B | __q0; \ - (r) = __r0; \ - } while (0) - -#define UDIV_NEEDS_NORMALIZATION 1 -#define udiv_qrnnd __udiv_qrnnd_c - -extern const UQItype __clz_tab[]; -#define count_leading_zeros(count, x) \ - do { \ - USItype __xr = (x); \ - USItype __a; \ - \ - if (SI_TYPE_SIZE <= 32) \ - { \ - __a = __xr < ((USItype)1<<2*__BITS4) \ - ? (__xr < ((USItype)1<<__BITS4) ? 0 : __BITS4) \ - : (__xr < ((USItype)1<<3*__BITS4) ? 2*__BITS4 : 3*__BITS4); \ - } \ - else \ - { \ - for (__a = SI_TYPE_SIZE - 8; __a > 0; __a -= 8) \ - if (((__xr >> __a) & 0xff) != 0) \ - break; \ - } \ - \ - (count) = SI_TYPE_SIZE - (__clz_tab[__xr >> __a] + __a); \ - } while (0) diff --git a/arch/arm26/lib/lshrdi3.c b/arch/arm26/lib/lshrdi3.c deleted file mode 100644 index b666f1bad451..000000000000 --- a/arch/arm26/lib/lshrdi3.c +++ /dev/null @@ -1,61 +0,0 @@ -/* More subroutines needed by GCC output code on some machines. */ -/* Compile this one with gcc. */ -/* Copyright (C) 1989, 92-98, 1999 Free Software Foundation, Inc. - -This file is part of GNU CC. - -GNU CC is free software; you can redistribute it and/or modify -it under the terms of the GNU General Public License as published by -the Free Software Foundation; either version 2, or (at your option) -any later version. - -GNU CC is distributed in the hope that it will be useful, -but WITHOUT ANY WARRANTY; without even the implied warranty of -MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -GNU General Public License for more details. - -You should have received a copy of the GNU General Public License -along with GNU CC; see the file COPYING. If not, write to -the Free Software Foundation, 59 Temple Place - Suite 330, -Boston, MA 02111-1307, USA. */ - -/* As a special exception, if you link this library with other files, - some of which are compiled with GCC, to produce an executable, - this library does not by itself cause the resulting executable - to be covered by the GNU General Public License. - This exception does not however invalidate any other reasons why - the executable file might be covered by the GNU General Public License. - */ -/* support functions required by the kernel. based on code from gcc-2.95.3 */ -/* I Molton 29/07/01 */ - -#include "gcclib.h" - -DItype -__lshrdi3 (DItype u, word_type b) -{ - DIunion w; - word_type bm; - DIunion uu; - - if (b == 0) - return u; - - uu.ll = u; - - bm = (sizeof (SItype) * BITS_PER_UNIT) - b; - if (bm <= 0) - { - w.s.high = 0; - w.s.low = (USItype)uu.s.high >> -bm; - } - else - { - USItype carries = (USItype)uu.s.high << bm; - w.s.high = (USItype)uu.s.high >> b; - w.s.low = ((USItype)uu.s.low >> b) | carries; - } - - return w.ll; -} - diff --git a/arch/arm26/lib/memchr.S b/arch/arm26/lib/memchr.S deleted file mode 100644 index 34e7c14c08ad..000000000000 --- a/arch/arm26/lib/memchr.S +++ /dev/null @@ -1,25 +0,0 @@ -/* - * linux/arch/arm26/lib/memchr.S - * - * Copyright (C) 1995-2000 Russell King - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - * - * ASM optimised string functions - */ -#include <linux/linkage.h> -#include <asm/assembler.h> - - .text - .align 5 -ENTRY(memchr) -1: subs r2, r2, #1 - bmi 2f - ldrb r3, [r0], #1 - teq r3, r1 - bne 1b - sub r0, r0, #1 -2: movne r0, #0 - RETINSTR(mov,pc,lr) diff --git a/arch/arm26/lib/memcpy.S b/arch/arm26/lib/memcpy.S deleted file mode 100644 index 3f719e412069..000000000000 --- a/arch/arm26/lib/memcpy.S +++ /dev/null @@ -1,318 +0,0 @@ -/* - * linux/arch/arm26/lib/memcpy.S - * - * Copyright (C) 1995-1999 Russell King - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - * - * ASM optimised string functions - */ -#include <linux/linkage.h> -#include <asm/assembler.h> - - .text - -#define ENTER \ - mov ip,sp ;\ - stmfd sp!,{r4-r9,fp,ip,lr,pc} ;\ - sub fp,ip,#4 - -#define EXIT \ - LOADREGS(ea, fp, {r4 - r9, fp, sp, pc}) - -#define EXITEQ \ - LOADREGS(eqea, fp, {r4 - r9, fp, sp, pc}) - -/* - * Prototype: void memcpy(void *to,const void *from,unsigned long n); - * ARM3: cant use memcopy here!!! - */ -ENTRY(memcpy) -ENTRY(memmove) - ENTER - cmp r1, r0 - bcc 19f - subs r2, r2, #4 - blt 6f - ands ip, r0, #3 - bne 7f - ands ip, r1, #3 - bne 8f - -1: subs r2, r2, #8 - blt 5f - subs r2, r2, #0x14 - blt 3f -2: ldmia r1!,{r3 - r9, ip} - stmia r0!,{r3 - r9, ip} - subs r2, r2, #32 - bge 2b - cmn r2, #16 - ldmgeia r1!, {r3 - r6} - stmgeia r0!, {r3 - r6} - subge r2, r2, #0x10 -3: adds r2, r2, #0x14 -4: ldmgeia r1!, {r3 - r5} - stmgeia r0!, {r3 - r5} - subges r2, r2, #12 - bge 4b -5: adds r2, r2, #8 - blt 6f - subs r2, r2, #4 - ldrlt r3, [r1], #4 - ldmgeia r1!, {r4, r5} - strlt r3, [r0], #4 - stmgeia r0!, {r4, r5} - subge r2, r2, #4 - -6: adds r2, r2, #4 - EXITEQ - cmp r2, #2 - ldrb r3, [r1], #1 - ldrgeb r4, [r1], #1 - ldrgtb r5, [r1], #1 - strb r3, [r0], #1 - strgeb r4, [r0], #1 - strgtb r5, [r0], #1 - EXIT - -7: rsb ip, ip, #4 - cmp ip, #2 - ldrb r3, [r1], #1 - ldrgeb r4, [r1], #1 - ldrgtb r5, [r1], #1 - strb r3, [r0], #1 - strgeb r4, [r0], #1 - strgtb r5, [r0], #1 - subs r2, r2, ip - blt 6b - ands ip, r1, #3 - beq 1b - -8: bic r1, r1, #3 - ldr r7, [r1], #4 - cmp ip, #2 - bgt 15f - beq 11f - cmp r2, #12 - blt 10f - sub r2, r2, #12 -9: mov r3, r7, pull #8 - ldmia r1!, {r4 - r7} - orr r3, r3, r4, push #24 - mov r4, r4, pull #8 - orr r4, r4, r5, push #24 - mov r5, r5, pull #8 - orr r5, r5, r6, push #24 - mov r6, r6, pull #8 - orr r6, r6, r7, push #24 - stmia r0!, {r3 - r6} - subs r2, r2, #16 - bge 9b - adds r2, r2, #12 - blt 100f -10: mov r3, r7, pull #8 - ldr r7, [r1], #4 - subs r2, r2, #4 - orr r3, r3, r7, push #24 - str r3, [r0], #4 - bge 10b -100: sub r1, r1, #3 - b 6b - -11: cmp r2, #12 - blt 13f /* */ - sub r2, r2, #12 -12: mov r3, r7, pull #16 - ldmia r1!, {r4 - r7} - orr r3, r3, r4, push #16 - mov r4, r4, pull #16 - orr r4, r4, r5, push #16 - mov r5, r5, pull #16 - orr r5, r5, r6, push #16 - mov r6, r6, pull #16 - orr r6, r6, r7, push #16 - stmia r0!, {r3 - r6} - subs r2, r2, #16 - bge 12b - adds r2, r2, #12 - blt 14f -13: mov r3, r7, pull #16 - ldr r7, [r1], #4 - subs r2, r2, #4 - orr r3, r3, r7, push #16 - str r3, [r0], #4 - bge 13b -14: sub r1, r1, #2 - b 6b - -15: cmp r2, #12 - blt 17f - sub r2, r2, #12 -16: mov r3, r7, pull #24 - ldmia r1!, {r4 - r7} - orr r3, r3, r4, push #8 - mov r4, r4, pull #24 - orr r4, r4, r5, push #8 - mov r5, r5, pull #24 - orr r5, r5, r6, push #8 - mov r6, r6, pull #24 - orr r6, r6, r7, push #8 - stmia r0!, {r3 - r6} - subs r2, r2, #16 - bge 16b - adds r2, r2, #12 - blt 18f -17: mov r3, r7, pull #24 - ldr r7, [r1], #4 - subs r2, r2, #4 - orr r3, r3, r7, push #8 - str r3, [r0], #4 - bge 17b -18: sub r1, r1, #1 - b 6b - - -19: add r1, r1, r2 - add r0, r0, r2 - subs r2, r2, #4 - blt 24f - ands ip, r0, #3 - bne 25f - ands ip, r1, #3 - bne 26f - -20: subs r2, r2, #8 - blt 23f - subs r2, r2, #0x14 - blt 22f -21: ldmdb r1!, {r3 - r9, ip} - stmdb r0!, {r3 - r9, ip} - subs r2, r2, #32 - bge 21b -22: cmn r2, #16 - ldmgedb r1!, {r3 - r6} - stmgedb r0!, {r3 - r6} - subge r2, r2, #16 - adds r2, r2, #20 - ldmgedb r1!, {r3 - r5} - stmgedb r0!, {r3 - r5} - subge r2, r2, #12 -23: adds r2, r2, #8 - blt 24f - subs r2, r2, #4 - ldrlt r3, [r1, #-4]! - ldmgedb r1!, {r4, r5} - strlt r3, [r0, #-4]! - stmgedb r0!, {r4, r5} - subge r2, r2, #4 - -24: adds r2, r2, #4 - EXITEQ - cmp r2, #2 - ldrb r3, [r1, #-1]! - ldrgeb r4, [r1, #-1]! - ldrgtb r5, [r1, #-1]! - strb r3, [r0, #-1]! - strgeb r4, [r0, #-1]! - strgtb r5, [r0, #-1]! - EXIT - -25: cmp ip, #2 - ldrb r3, [r1, #-1]! - ldrgeb r4, [r1, #-1]! - ldrgtb r5, [r1, #-1]! - strb r3, [r0, #-1]! - strgeb r4, [r0, #-1]! - strgtb r5, [r0, #-1]! - subs r2, r2, ip - blt 24b - ands ip, r1, #3 - beq 20b - -26: bic r1, r1, #3 - ldr r3, [r1], #0 - cmp ip, #2 - blt 34f - beq 30f - cmp r2, #12 - blt 28f - sub r2, r2, #12 -27: mov r7, r3, push #8 - ldmdb r1!, {r3, r4, r5, r6} - orr r7, r7, r6, pull #24 - mov r6, r6, push #8 - orr r6, r6, r5, pull #24 - mov r5, r5, push #8 - orr r5, r5, r4, pull #24 - mov r4, r4, push #8 - orr r4, r4, r3, pull #24 - stmdb r0!, {r4, r5, r6, r7} - subs r2, r2, #16 - bge 27b - adds r2, r2, #12 - blt 29f -28: mov ip, r3, push #8 - ldr r3, [r1, #-4]! - subs r2, r2, #4 - orr ip, ip, r3, pull #24 - str ip, [r0, #-4]! - bge 28b -29: add r1, r1, #3 - b 24b - -30: cmp r2, #12 - blt 32f - sub r2, r2, #12 -31: mov r7, r3, push #16 - ldmdb r1!, {r3, r4, r5, r6} - orr r7, r7, r6, pull #16 - mov r6, r6, push #16 - orr r6, r6, r5, pull #16 - mov r5, r5, push #16 - orr r5, r5, r4, pull #16 - mov r4, r4, push #16 - orr r4, r4, r3, pull #16 - stmdb r0!, {r4, r5, r6, r7} - subs r2, r2, #16 - bge 31b - adds r2, r2, #12 - blt 33f -32: mov ip, r3, push #16 - ldr r3, [r1, #-4]! - subs r2, r2, #4 - orr ip, ip, r3, pull #16 - str ip, [r0, #-4]! - bge 32b -33: add r1, r1, #2 - b 24b - -34: cmp r2, #12 - blt 36f - sub r2, r2, #12 -35: mov r7, r3, push #24 - ldmdb r1!, {r3, r4, r5, r6} - orr r7, r7, r6, pull #8 - mov r6, r6, push #24 - orr r6, r6, r5, pull #8 - mov r5, r5, push #24 - orr r5, r5, r4, pull #8 - mov r4, r4, push #24 - orr r4, r4, r3, pull #8 - stmdb r0!, {r4, r5, r6, r7} - subs r2, r2, #16 - bge 35b - adds r2, r2, #12 - blt 37f -36: mov ip, r3, push #24 - ldr r3, [r1, #-4]! - subs r2, r2, #4 - orr ip, ip, r3, pull #8 - str ip, [r0, #-4]! - bge 36b -37: add r1, r1, #1 - b 24b - - .align diff --git a/arch/arm26/lib/memset.S b/arch/arm26/lib/memset.S deleted file mode 100644 index aedec10b58f5..000000000000 --- a/arch/arm26/lib/memset.S +++ /dev/null @@ -1,80 +0,0 @@ -/* - * linux/arch/arm26/lib/memset.S - * - * Copyright (C) 1995-2000 Russell King - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - * - * ASM optimised string functions - */ -#include <linux/linkage.h> -#include <asm/assembler.h> - - .text - .align 5 - .word 0 - -1: subs r2, r2, #4 @ 1 do we have enough - blt 5f @ 1 bytes to align with? - cmp r3, #2 @ 1 - strltb r1, [r0], #1 @ 1 - strleb r1, [r0], #1 @ 1 - strb r1, [r0], #1 @ 1 - add r2, r2, r3 @ 1 (r2 = r2 - (4 - r3)) -/* - * The pointer is now aligned and the length is adjusted. Try doing the - * memzero again. - */ - -ENTRY(memset) - ands r3, r0, #3 @ 1 unaligned? - bne 1b @ 1 -/* - * we know that the pointer in r0 is aligned to a word boundary. - */ - orr r1, r1, r1, lsl #8 - orr r1, r1, r1, lsl #16 - mov r3, r1 - cmp r2, #16 - blt 4f -/* - * We need an extra register for this loop - save the return address and - * use the LR - */ - str lr, [sp, #-4]! - mov ip, r1 - mov lr, r1 - -2: subs r2, r2, #64 - stmgeia r0!, {r1, r3, ip, lr} @ 64 bytes at a time. - stmgeia r0!, {r1, r3, ip, lr} - stmgeia r0!, {r1, r3, ip, lr} - stmgeia r0!, {r1, r3, ip, lr} - bgt 2b - LOADREGS(eqfd, sp!, {pc}) @ Now <64 bytes to go. -/* - * No need to correct the count; we're only testing bits from now on - */ - tst r2, #32 - stmneia r0!, {r1, r3, ip, lr} - stmneia r0!, {r1, r3, ip, lr} - tst r2, #16 - stmneia r0!, {r1, r3, ip, lr} - ldr lr, [sp], #4 - -4: tst r2, #8 - stmneia r0!, {r1, r3} - tst r2, #4 - strne r1, [r0], #4 -/* - * When we get here, we've got less than 4 bytes to zero. We - * may have an unaligned pointer as well. - */ -5: tst r2, #2 - strneb r1, [r0], #1 - strneb r1, [r0], #1 - tst r2, #1 - strneb r1, [r0], #1 - RETINSTR(mov,pc,lr) diff --git a/arch/arm26/lib/memzero.S b/arch/arm26/lib/memzero.S deleted file mode 100644 index cc5bf6860061..000000000000 --- a/arch/arm26/lib/memzero.S +++ /dev/null @@ -1,80 +0,0 @@ -/* - * linux/arch/arm26/lib/memzero.S - * - * Copyright (C) 1995-2000 Russell King - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ -#include <linux/linkage.h> -#include <asm/assembler.h> - - .text - .align 5 - .word 0 -/* - * Align the pointer in r0. r3 contains the number of bytes that we are - * mis-aligned by, and r1 is the number of bytes. If r1 < 4, then we - * don't bother; we use byte stores instead. - */ -1: subs r1, r1, #4 @ 1 do we have enough - blt 5f @ 1 bytes to align with? - cmp r3, #2 @ 1 - strltb r2, [r0], #1 @ 1 - strleb r2, [r0], #1 @ 1 - strb r2, [r0], #1 @ 1 - add r1, r1, r3 @ 1 (r1 = r1 - (4 - r3)) -/* - * The pointer is now aligned and the length is adjusted. Try doing the - * memzero again. - */ - -ENTRY(__memzero) - mov r2, #0 @ 1 - ands r3, r0, #3 @ 1 unaligned? - bne 1b @ 1 -/* - * r3 = 0, and we know that the pointer in r0 is aligned to a word boundary. - */ - cmp r1, #16 @ 1 we can skip this chunk if we - blt 4f @ 1 have < 16 bytes -/* - * We need an extra register for this loop - save the return address and - * use the LR - */ - str lr, [sp, #-4]! @ 1 - mov ip, r2 @ 1 - mov lr, r2 @ 1 - -3: subs r1, r1, #64 @ 1 write 32 bytes out per loop - stmgeia r0!, {r2, r3, ip, lr} @ 4 - stmgeia r0!, {r2, r3, ip, lr} @ 4 - stmgeia r0!, {r2, r3, ip, lr} @ 4 - stmgeia r0!, {r2, r3, ip, lr} @ 4 - bgt 3b @ 1 - LOADREGS(eqfd, sp!, {pc}) @ 1/2 quick exit -/* - * No need to correct the count; we're only testing bits from now on - */ - tst r1, #32 @ 1 - stmneia r0!, {r2, r3, ip, lr} @ 4 - stmneia r0!, {r2, r3, ip, lr} @ 4 - tst r1, #16 @ 1 16 bytes or more? - stmneia r0!, {r2, r3, ip, lr} @ 4 - ldr lr, [sp], #4 @ 1 - -4: tst r1, #8 @ 1 8 bytes or more? - stmneia r0!, {r2, r3} @ 2 - tst r1, #4 @ 1 4 bytes or more? - strne r2, [r0], #4 @ 1 -/* - * When we get here, we've got less than 4 bytes to zero. We - * may have an unaligned pointer as well. - */ -5: tst r1, #2 @ 1 2 bytes or more? - strneb r2, [r0], #1 @ 1 - strneb r2, [r0], #1 @ 1 - tst r1, #1 @ 1 a byte left over - strneb r2, [r0], #1 @ 1 - RETINSTR(mov,pc,lr) @ 1 diff --git a/arch/arm26/lib/muldi3.c b/arch/arm26/lib/muldi3.c deleted file mode 100644 index 44d611b1cfdb..000000000000 --- a/arch/arm26/lib/muldi3.c +++ /dev/null @@ -1,77 +0,0 @@ -/* More subroutines needed by GCC output code on some machines. */ -/* Compile this one with gcc. */ -/* Copyright (C) 1989, 92-98, 1999 Free Software Foundation, Inc. - -This file is part of GNU CC. - -GNU CC is free software; you can redistribute it and/or modify -it under the terms of the GNU General Public License as published by -the Free Software Foundation; either version 2, or (at your option) -any later version. - -GNU CC is distributed in the hope that it will be useful, -but WITHOUT ANY WARRANTY; without even the implied warranty of -MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -GNU General Public License for more details. - -You should have received a copy of the GNU General Public License -along with GNU CC; see the file COPYING. If not, write to -the Free Software Foundation, 59 Temple Place - Suite 330, -Boston, MA 02111-1307, USA. */ - -/* As a special exception, if you link this library with other files, - some of which are compiled with GCC, to produce an executable, - this library does not by itself cause the resulting executable - to be covered by the GNU General Public License. - This exception does not however invalidate any other reasons why - the executable file might be covered by the GNU General Public License. - */ -/* support functions required by the kernel. based on code from gcc-2.95.3 */ -/* I Molton 29/07/01 */ - -#include "gcclib.h" - -#define umul_ppmm(xh, xl, a, b) \ -{register USItype __t0, __t1, __t2; \ - __asm__ ("%@ Inlined umul_ppmm \n\ - mov %2, %5, lsr #16 \n\ - mov %0, %6, lsr #16 \n\ - bic %3, %5, %2, lsl #16 \n\ - bic %4, %6, %0, lsl #16 \n\ - mul %1, %3, %4 \n\ - mul %4, %2, %4 \n\ - mul %3, %0, %3 \n\ - mul %0, %2, %0 \n\ - adds %3, %4, %3 \n\ - addcs %0, %0, #65536 \n\ - adds %1, %1, %3, lsl #16 \n\ - adc %0, %0, %3, lsr #16" \ - : "=&r" ((USItype) (xh)), \ - "=r" ((USItype) (xl)), \ - "=&r" (__t0), "=&r" (__t1), "=r" (__t2) \ - : "r" ((USItype) (a)), \ - "r" ((USItype) (b)));} - - -#define __umulsidi3(u, v) \ - ({DIunion __w; \ - umul_ppmm (__w.s.high, __w.s.low, u, v); \ - __w.ll; }) - - -DItype -__muldi3 (DItype u, DItype v) -{ - DIunion w; - DIunion uu, vv; - - uu.ll = u, - vv.ll = v; - - w.ll = __umulsidi3 (uu.s.low, vv.s.low); - w.s.high += ((USItype) uu.s.low * (USItype) vv.s.high - + (USItype) uu.s.high * (USItype) vv.s.low); - - return w.ll; -} - diff --git a/arch/arm26/lib/putuser.S b/arch/arm26/lib/putuser.S deleted file mode 100644 index 46c7f15f9f2d..000000000000 --- a/arch/arm26/lib/putuser.S +++ /dev/null @@ -1,109 +0,0 @@ -/* - * linux/arch/arm26/lib/putuser.S - * - * Copyright (C) 2001 Russell King - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - * - * Idea from x86 version, (C) Copyright 1998 Linus Torvalds - * - * These functions have a non-standard call interface to make - * them more efficient, especially as they return an error - * value in addition to the "real" return value. - * - * __put_user_X - * - * Inputs: r0 contains the address - * r1, r2 contains the value - * Outputs: r0 is the error code - * lr corrupted - * - * No other registers must be altered. (see include/asm-arm/uaccess.h - * for specific ASM register usage). - * - * Note that ADDR_LIMIT is either 0 or 0xc0000000 - * Note also that it is intended that __put_user_bad is not global. - */ -#include <asm/asm-offsets.h> -#include <asm/thread_info.h> -#include <asm/errno.h> - - .global __put_user_1 -__put_user_1: - bic r2, sp, #0x1f00 - bic r2, r2, #0x00ff - str lr, [sp, #-4]! - ldr r2, [r2, #TI_ADDR_LIMIT] - sub r2, r2, #1 - cmp r0, r2 - bge __put_user_bad -1: cmp r0, #0x02000000 - strlsbt r1, [r0] - strgeb r1, [r0] - mov r0, #0 - ldmfd sp!, {pc}^ - - .global __put_user_2 -__put_user_2: - bic r2, sp, #0x1f00 - bic r2, r2, #0x00ff - str lr, [sp, #-4]! - ldr r2, [r2, #TI_ADDR_LIMIT] - sub r2, r2, #2 - cmp r0, r2 - bge __put_user_bad -2: cmp r0, #0x02000000 - strlsbt r1, [r0], #1 - strgeb r1, [r0], #1 - mov r1, r1, lsr #8 -3: strlsbt r1, [r0] - strgeb r1, [r0] - mov r0, #0 - ldmfd sp!, {pc}^ - - .global __put_user_4 -__put_user_4: - bic r2, sp, #0x1f00 - bic r2, r2, #0x00ff - str lr, [sp, #-4]! - ldr r2, [r2, #TI_ADDR_LIMIT] - sub r2, r2, #4 - cmp r0, r2 -4: bge __put_user_bad - cmp r0, #0x02000000 - strlst r1, [r0] - strge r1, [r0] - mov r0, #0 - ldmfd sp!, {pc}^ - - .global __put_user_8 -__put_user_8: - bic ip, sp, #0x1f00 - bic ip, ip, #0x00ff - str lr, [sp, #-4]! - ldr ip, [ip, #TI_ADDR_LIMIT] - sub ip, ip, #8 - cmp r0, ip - bge __put_user_bad - cmp r0, #0x02000000 -5: strlst r1, [r0], #4 -6: strlst r2, [r0] - strge r1, [r0], #4 - strge r2, [r0] - mov r0, #0 - ldmfd sp!, {pc}^ - -__put_user_bad: - mov r0, #-EFAULT - mov pc, lr - -.section __ex_table, "a" - .long 1b, __put_user_bad - .long 2b, __put_user_bad - .long 3b, __put_user_bad - .long 4b, __put_user_bad - .long 5b, __put_user_bad - .long 6b, __put_user_bad -.previous diff --git a/arch/arm26/lib/setbit.S b/arch/arm26/lib/setbit.S deleted file mode 100644 index e180c1a1b2f1..000000000000 --- a/arch/arm26/lib/setbit.S +++ /dev/null @@ -1,29 +0,0 @@ -/* - * linux/arch/arm26/lib/setbit.S - * - * Copyright (C) 1995-1996 Russell King - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ -#include <linux/linkage.h> -#include <asm/assembler.h> - .text - -/* - * Purpose : Function to set a bit - * Prototype: int set_bit(int bit, void *addr) - */ -ENTRY(_set_bit_be) - eor r0, r0, #0x18 @ big endian byte ordering -ENTRY(_set_bit_le) - and r2, r0, #7 - mov r3, #1 - mov r3, r3, lsl r2 - save_and_disable_irqs ip, r2 - ldrb r2, [r1, r0, lsr #3] - orr r2, r2, r3 - strb r2, [r1, r0, lsr #3] - restore_irqs ip - RETINSTR(mov,pc,lr) diff --git a/arch/arm26/lib/strchr.S b/arch/arm26/lib/strchr.S deleted file mode 100644 index ecfff21aa7c7..000000000000 --- a/arch/arm26/lib/strchr.S +++ /dev/null @@ -1,25 +0,0 @@ -/* - * linux/arch/arm26/lib/strchr.S - * - * Copyright (C) 1995-2000 Russell King - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - * - * ASM optimised string functions - */ -#include <linux/linkage.h> -#include <asm/assembler.h> - - .text - .align 5 -ENTRY(strchr) -1: ldrb r2, [r0], #1 - teq r2, r1 - teqne r2, #0 - bne 1b - teq r2, #0 - moveq r0, #0 - subne r0, r0, #1 - RETINSTR(mov,pc,lr) diff --git a/arch/arm26/lib/strrchr.S b/arch/arm26/lib/strrchr.S deleted file mode 100644 index db43b28e78dc..000000000000 --- a/arch/arm26/lib/strrchr.S +++ /dev/null @@ -1,25 +0,0 @@ -/* - * linux/arch/arm26/lib/strrchr.S - * - * Copyright (C) 1995-2000 Russell King - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - * - * ASM optimised string functions - */ -#include <linux/linkage.h> -#include <asm/assembler.h> - - .text - .align 5 -ENTRY(strrchr) - mov r3, #0 -1: ldrb r2, [r0], #1 - teq r2, r1 - subeq r3, r0, #1 - teq r2, #0 - bne 1b - mov r0, r3 - RETINSTR(mov,pc,lr) diff --git a/arch/arm26/lib/testchangebit.S b/arch/arm26/lib/testchangebit.S deleted file mode 100644 index 17049a2d93a4..000000000000 --- a/arch/arm26/lib/testchangebit.S +++ /dev/null @@ -1,29 +0,0 @@ -/* - * linux/arch/arm26/lib/testchangebit.S - * - * Copyright (C) 1995-1996 Russell King - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ -#include <linux/linkage.h> -#include <asm/assembler.h> - .text - -ENTRY(_test_and_change_bit_be) - eor r0, r0, #0x18 @ big endian byte ordering -ENTRY(_test_and_change_bit_le) - add r1, r1, r0, lsr #3 - and r3, r0, #7 - mov r0, #1 - save_and_disable_irqs ip, r2 - ldrb r2, [r1] - tst r2, r0, lsl r3 - eor r2, r2, r0, lsl r3 - strb r2, [r1] - restore_irqs ip - moveq r0, #0 - RETINSTR(mov,pc,lr) - - diff --git a/arch/arm26/lib/testclearbit.S b/arch/arm26/lib/testclearbit.S deleted file mode 100644 index 2506bd743ab4..000000000000 --- a/arch/arm26/lib/testclearbit.S +++ /dev/null @@ -1,29 +0,0 @@ -/* - * linux/arch/arm26/lib/testclearbit.S - * - * Copyright (C) 1995-1996 Russell King - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ -#include <linux/linkage.h> -#include <asm/assembler.h> - .text - -ENTRY(_test_and_clear_bit_be) - eor r0, r0, #0x18 @ big endian byte ordering -ENTRY(_test_and_clear_bit_le) - add r1, r1, r0, lsr #3 @ Get byte offset - and r3, r0, #7 @ Get bit offset - mov r0, #1 - save_and_disable_irqs ip, r2 - ldrb r2, [r1] - tst r2, r0, lsl r3 - bic r2, r2, r0, lsl r3 - strb r2, [r1] - restore_irqs ip - moveq r0, #0 - RETINSTR(mov,pc,lr) - - diff --git a/arch/arm26/lib/testsetbit.S b/arch/arm26/lib/testsetbit.S deleted file mode 100644 index f827de64b22d..000000000000 --- a/arch/arm26/lib/testsetbit.S +++ /dev/null @@ -1,29 +0,0 @@ -/* - * linux/arch/arm26/lib/testsetbit.S - * - * Copyright (C) 1995-1996 Russell King - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ -#include <linux/linkage.h> -#include <asm/assembler.h> - .text - -ENTRY(_test_and_set_bit_be) - eor r0, r0, #0x18 @ big endian byte ordering -ENTRY(_test_and_set_bit_le) - add r1, r1, r0, lsr #3 @ Get byte offset - and r3, r0, #7 @ Get bit offset - mov r0, #1 - save_and_disable_irqs ip, r2 - ldrb r2, [r1] - tst r2, r0, lsl r3 - orr r2, r2, r0, lsl r3 - strb r2, [r1] - restore_irqs ip - moveq r0, #0 - RETINSTR(mov,pc,lr) - - diff --git a/arch/arm26/lib/uaccess-kernel.S b/arch/arm26/lib/uaccess-kernel.S deleted file mode 100644 index 3950a1f6bc99..000000000000 --- a/arch/arm26/lib/uaccess-kernel.S +++ /dev/null @@ -1,173 +0,0 @@ -/* - * linux/arch/arm26/lib/uaccess-kernel.S - * - * Copyright (C) 1998 Russell King - * - * Note! Some code fragments found in here have a special calling - * convention - they are not APCS compliant! - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ -#include <linux/linkage.h> -#include <asm/assembler.h> - - .text - -//FIXME - surely this can be done in C not asm, removing the problem of keeping C and asm in sync? (this is a struct uaccess_t) - - .globl uaccess_kernel -uaccess_kernel: - .word uaccess_kernel_put_byte - .word uaccess_kernel_get_byte - .word uaccess_kernel_put_half - .word uaccess_kernel_get_half - .word uaccess_kernel_put_word - .word uaccess_kernel_get_word - .word uaccess_kernel_put_dword - .word uaccess_kernel_copy - .word uaccess_kernel_copy - .word uaccess_kernel_clear - .word uaccess_kernel_strncpy - .word uaccess_kernel_strnlen - -@ In : r0 = x, r1 = addr, r2 = error -@ Out: r2 = error -uaccess_kernel_put_byte: - stmfd sp!, {lr} - strb r0, [r1] - ldmfd sp!, {pc}^ - -@ In : r0 = x, r1 = addr, r2 = error -@ Out: r2 = error -uaccess_kernel_put_half: - stmfd sp!, {lr} - strb r0, [r1] - mov r0, r0, lsr #8 - strb r0, [r1, #1] - ldmfd sp!, {pc}^ - -@ In : r0 = x, r1 = addr, r2 = error -@ Out: r2 = error -uaccess_kernel_put_word: - stmfd sp!, {lr} - str r0, [r1] - ldmfd sp!, {pc}^ - -@ In : r0 = x, r1 = addr, r2 = error -@ Out: r2 = error -uaccess_kernel_put_dword: - stmfd sp!, {lr} - str r0, [r1], #4 - str r0, [r1], #0 - ldmfd sp!, {pc}^ - -@ In : r0 = addr, r1 = error -@ Out: r0 = x, r1 = error -uaccess_kernel_get_byte: - stmfd sp!, {lr} - ldrb r0, [r0] - ldmfd sp!, {pc}^ - -@ In : r0 = addr, r1 = error -@ Out: r0 = x, r1 = error -uaccess_kernel_get_half: - stmfd sp!, {lr} - ldr r0, [r0] - mov r0, r0, lsl #16 - mov r0, r0, lsr #16 - ldmfd sp!, {pc}^ - -@ In : r0 = addr, r1 = error -@ Out: r0 = x, r1 = error -uaccess_kernel_get_word: - stmfd sp!, {lr} - ldr r0, [r0] - ldmfd sp!, {pc}^ - - -/* Prototype: int uaccess_kernel_copy(void *to, const char *from, size_t n) - * Purpose : copy a block to kernel memory from kernel memory - * Params : to - kernel memory - * : from - kernel memory - * : n - number of bytes to copy - * Returns : Number of bytes NOT copied. - */ -uaccess_kernel_copy: - stmfd sp!, {lr} - bl memcpy - mov r0, #0 - ldmfd sp!, {pc}^ - -/* Prototype: int uaccess_kernel_clear(void *addr, size_t sz) - * Purpose : clear some kernel memory - * Params : addr - kernel memory address to clear - * : sz - number of bytes to clear - * Returns : number of bytes NOT cleared - */ -uaccess_kernel_clear: - stmfd sp!, {lr} - mov r2, #0 - cmp r1, #4 - blt 2f - ands ip, r0, #3 - beq 1f - cmp ip, #1 - strb r2, [r0], #1 - strleb r2, [r0], #1 - strltb r2, [r0], #1 - rsb ip, ip, #4 - sub r1, r1, ip @ 7 6 5 4 3 2 1 -1: subs r1, r1, #8 @ -1 -2 -3 -4 -5 -6 -7 - bmi 2f - str r2, [r0], #4 - str r2, [r0], #4 - b 1b -2: adds r1, r1, #4 @ 3 2 1 0 -1 -2 -3 - strpl r2, [r0], #4 - tst r1, #2 @ 1x 1x 0x 0x 1x 1x 0x - strneb r2, [r0], #1 - strneb r2, [r0], #1 - tst r1, #1 @ x1 x0 x1 x0 x1 x0 x1 - strneb r2, [r0], #1 - mov r0, #0 - ldmfd sp!, {pc}^ - -/* Prototype: size_t uaccess_kernel_strncpy(char *dst, char *src, size_t len) - * Purpose : copy a string from kernel memory to kernel memory - * Params : dst - kernel memory destination - * : src - kernel memory source - * : len - maximum length of string - * Returns : number of characters copied - */ -uaccess_kernel_strncpy: - stmfd sp!, {lr} - mov ip, r2 -1: subs r2, r2, #1 - bmi 2f - ldrb r3, [r1], #1 - strb r3, [r0], #1 - teq r3, #0 - bne 1b -2: subs r0, ip, r2 - ldmfd sp!, {pc}^ - -/* Prototype: int uaccess_kernel_strlen(char *str, long n) - * Purpose : get length of a string in kernel memory - * Params : str - address of string in kernel memory - * Returns : length of string *including terminator*, - * or zero on exception, or n + 1 if too long - */ -uaccess_kernel_strnlen: - stmfd sp!, {lr} - mov r2, r0 -1: ldrb r1, [r0], #1 - teq r1, #0 - beq 2f - subs r1, r1, #1 - bne 1b - add r0, r0, #1 -2: sub r0, r0, r2 - ldmfd sp!, {pc}^ - diff --git a/arch/arm26/lib/uaccess-user.S b/arch/arm26/lib/uaccess-user.S deleted file mode 100644 index 130b8f28610a..000000000000 --- a/arch/arm26/lib/uaccess-user.S +++ /dev/null @@ -1,718 +0,0 @@ -/* - * linux/arch/arm26/lib/uaccess-user.S - * - * Copyright (C) 1995, 1996,1997,1998 Russell King - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - * - * Routines to block copy data to/from user memory - * These are highly optimised both for the 4k page size - * and for various alignments. - */ -#include <linux/linkage.h> -#include <asm/assembler.h> -#include <asm/errno.h> -#include <asm/page.h> - - .text - -//FIXME - surely this can be done in C not asm, removing the problem of keeping C and asm in sync? (this is a struct uaccess_t) - .globl uaccess_user -uaccess_user: - .word uaccess_user_put_byte - .word uaccess_user_get_byte - .word uaccess_user_put_half - .word uaccess_user_get_half - .word uaccess_user_put_word - .word uaccess_user_get_word - .word uaccess_user_put_dword - .word uaccess_user_copy_from_user - .word uaccess_user_copy_to_user - .word uaccess_user_clear_user - .word uaccess_user_strncpy_from_user - .word uaccess_user_strnlen_user - - -@ In : r0 = x, r1 = addr, r2 = error -@ Out: r2 = error -uaccess_user_put_byte: - stmfd sp!, {lr} -USER( strbt r0, [r1]) - ldmfd sp!, {pc}^ - -@ In : r0 = x, r1 = addr, r2 = error -@ Out: r2 = error -uaccess_user_put_half: - stmfd sp!, {lr} -USER( strbt r0, [r1], #1) - mov r0, r0, lsr #8 -USER( strbt r0, [r1]) - ldmfd sp!, {pc}^ - -@ In : r0 = x, r1 = addr, r2 = error -@ Out: r2 = error -uaccess_user_put_word: - stmfd sp!, {lr} -USER( strt r0, [r1]) - ldmfd sp!, {pc}^ - -@ In : r0 = x, r1 = addr, r2 = error -@ Out: r2 = error -uaccess_user_put_dword: - stmfd sp!, {lr} -USER( strt r0, [r1], #4) -USER( strt r0, [r1], #0) - ldmfd sp!, {pc}^ - -9001: mov r2, #-EFAULT - ldmfd sp!, {pc}^ - - -@ In : r0 = addr, r1 = error -@ Out: r0 = x, r1 = error -uaccess_user_get_byte: - stmfd sp!, {lr} -USER( ldrbt r0, [r0]) - ldmfd sp!, {pc}^ - -@ In : r0 = addr, r1 = error -@ Out: r0 = x, r1 = error -uaccess_user_get_half: - stmfd sp!, {lr} -USER( ldrt r0, [r0]) - mov r0, r0, lsl #16 - mov r0, r0, lsr #16 - ldmfd sp!, {pc}^ - -@ In : r0 = addr, r1 = error -@ Out: r0 = x, r1 = error -uaccess_user_get_word: - stmfd sp!, {lr} -USER( ldrt r0, [r0]) - ldmfd sp!, {pc}^ - -9001: mov r1, #-EFAULT - ldmfd sp!, {pc}^ - -/* Prototype: int uaccess_user_copy_to_user(void *to, const char *from, size_t n) - * Purpose : copy a block to user memory from kernel memory - * Params : to - user memory - * : from - kernel memory - * : n - number of bytes to copy - * Returns : Number of bytes NOT copied. - */ - -.c2u_dest_not_aligned: - rsb ip, ip, #4 - cmp ip, #2 - ldrb r3, [r1], #1 -USER( strbt r3, [r0], #1) @ May fault - ldrgeb r3, [r1], #1 -USER( strgebt r3, [r0], #1) @ May fault - ldrgtb r3, [r1], #1 -USER( strgtbt r3, [r0], #1) @ May fault - sub r2, r2, ip - b .c2u_dest_aligned - -ENTRY(uaccess_user_copy_to_user) - stmfd sp!, {r2, r4 - r7, lr} - cmp r2, #4 - blt .c2u_not_enough - ands ip, r0, #3 - bne .c2u_dest_not_aligned -.c2u_dest_aligned: - - ands ip, r1, #3 - bne .c2u_src_not_aligned -/* - * Seeing as there has to be at least 8 bytes to copy, we can - * copy one word, and force a user-mode page fault... - */ - -.c2u_0fupi: subs r2, r2, #4 - addmi ip, r2, #4 - bmi .c2u_0nowords - ldr r3, [r1], #4 -USER( strt r3, [r0], #4) @ May fault - mov ip, r0, lsl #32 - PAGE_SHIFT @ On each page, use a ld/st??t instruction - rsb ip, ip, #0 - movs ip, ip, lsr #32 - PAGE_SHIFT - beq .c2u_0fupi -/* - * ip = max no. of bytes to copy before needing another "strt" insn - */ - cmp r2, ip - movlt ip, r2 - sub r2, r2, ip - subs ip, ip, #32 - blt .c2u_0rem8lp - -.c2u_0cpy8lp: ldmia r1!, {r3 - r6} - stmia r0!, {r3 - r6} @ Shouldnt fault - ldmia r1!, {r3 - r6} - stmia r0!, {r3 - r6} @ Shouldnt fault - subs ip, ip, #32 - bpl .c2u_0cpy8lp -.c2u_0rem8lp: cmn ip, #16 - ldmgeia r1!, {r3 - r6} - stmgeia r0!, {r3 - r6} @ Shouldnt fault - tst ip, #8 - ldmneia r1!, {r3 - r4} - stmneia r0!, {r3 - r4} @ Shouldnt fault - tst ip, #4 - ldrne r3, [r1], #4 - strnet r3, [r0], #4 @ Shouldnt fault - ands ip, ip, #3 - beq .c2u_0fupi -.c2u_0nowords: teq ip, #0 - beq .c2u_finished -.c2u_nowords: cmp ip, #2 - ldrb r3, [r1], #1 -USER( strbt r3, [r0], #1) @ May fault - ldrgeb r3, [r1], #1 -USER( strgebt r3, [r0], #1) @ May fault - ldrgtb r3, [r1], #1 -USER( strgtbt r3, [r0], #1) @ May fault - b .c2u_finished - -.c2u_not_enough: - movs ip, r2 - bne .c2u_nowords -.c2u_finished: mov r0, #0 - LOADREGS(fd,sp!,{r2, r4 - r7, pc}) - -.c2u_src_not_aligned: - bic r1, r1, #3 - ldr r7, [r1], #4 - cmp ip, #2 - bgt .c2u_3fupi - beq .c2u_2fupi -.c2u_1fupi: subs r2, r2, #4 - addmi ip, r2, #4 - bmi .c2u_1nowords - mov r3, r7, pull #8 - ldr r7, [r1], #4 - orr r3, r3, r7, push #24 -USER( strt r3, [r0], #4) @ May fault - mov ip, r0, lsl #32 - PAGE_SHIFT - rsb ip, ip, #0 - movs ip, ip, lsr #32 - PAGE_SHIFT - beq .c2u_1fupi - cmp r2, ip - movlt ip, r2 - sub r2, r2, ip - subs ip, ip, #16 - blt .c2u_1rem8lp - -.c2u_1cpy8lp: mov r3, r7, pull #8 - ldmia r1!, {r4 - r7} - orr r3, r3, r4, push #24 - mov r4, r4, pull #8 - orr r4, r4, r5, push #24 - mov r5, r5, pull #8 - orr r5, r5, r6, push #24 - mov r6, r6, pull #8 - orr r6, r6, r7, push #24 - stmia r0!, {r3 - r6} @ Shouldnt fault - subs ip, ip, #16 - bpl .c2u_1cpy8lp -.c2u_1rem8lp: tst ip, #8 - movne r3, r7, pull #8 - ldmneia r1!, {r4, r7} - orrne r3, r3, r4, push #24 - movne r4, r4, pull #8 - orrne r4, r4, r7, push #24 - stmneia r0!, {r3 - r4} @ Shouldnt fault - tst ip, #4 - movne r3, r7, pull #8 - ldrne r7, [r1], #4 - orrne r3, r3, r7, push #24 - strnet r3, [r0], #4 @ Shouldnt fault - ands ip, ip, #3 - beq .c2u_1fupi -.c2u_1nowords: mov r3, r7, lsr #byte(1) - teq ip, #0 - beq .c2u_finished - cmp ip, #2 -USER( strbt r3, [r0], #1) @ May fault - movge r3, r7, lsr #byte(2) -USER( strgebt r3, [r0], #1) @ May fault - movgt r3, r7, lsr #byte(3) -USER( strgtbt r3, [r0], #1) @ May fault - b .c2u_finished - -.c2u_2fupi: subs r2, r2, #4 - addmi ip, r2, #4 - bmi .c2u_2nowords - mov r3, r7, pull #16 - ldr r7, [r1], #4 - orr r3, r3, r7, push #16 -USER( strt r3, [r0], #4) @ May fault - mov ip, r0, lsl #32 - PAGE_SHIFT - rsb ip, ip, #0 - movs ip, ip, lsr #32 - PAGE_SHIFT - beq .c2u_2fupi - cmp r2, ip - movlt ip, r2 - sub r2, r2, ip - subs ip, ip, #16 - blt .c2u_2rem8lp - -.c2u_2cpy8lp: mov r3, r7, pull #16 - ldmia r1!, {r4 - r7} - orr r3, r3, r4, push #16 - mov r4, r4, pull #16 - orr r4, r4, r5, push #16 - mov r5, r5, pull #16 - orr r5, r5, r6, push #16 - mov r6, r6, pull #16 - orr r6, r6, r7, push #16 - stmia r0!, {r3 - r6} @ Shouldnt fault - subs ip, ip, #16 - bpl .c2u_2cpy8lp -.c2u_2rem8lp: tst ip, #8 - movne r3, r7, pull #16 - ldmneia r1!, {r4, r7} - orrne r3, r3, r4, push #16 - movne r4, r4, pull #16 - orrne r4, r4, r7, push #16 - stmneia r0!, {r3 - r4} @ Shouldnt fault - tst ip, #4 - movne r3, r7, pull #16 - ldrne r7, [r1], #4 - orrne r3, r3, r7, push #16 - strnet r3, [r0], #4 @ Shouldnt fault - ands ip, ip, #3 - beq .c2u_2fupi -.c2u_2nowords: mov r3, r7, lsr #byte(2) - teq ip, #0 - beq .c2u_finished - cmp ip, #2 -USER( strbt r3, [r0], #1) @ May fault - movge r3, r7, lsr #byte(3) -USER( strgebt r3, [r0], #1) @ May fault - ldrgtb r3, [r1], #0 -USER( strgtbt r3, [r0], #1) @ May fault - b .c2u_finished - -.c2u_3fupi: subs r2, r2, #4 - addmi ip, r2, #4 - bmi .c2u_3nowords - mov r3, r7, pull #24 - ldr r7, [r1], #4 - orr r3, r3, r7, push #8 -USER( strt r3, [r0], #4) @ May fault - mov ip, r0, lsl #32 - PAGE_SHIFT - rsb ip, ip, #0 - movs ip, ip, lsr #32 - PAGE_SHIFT - beq .c2u_3fupi - cmp r2, ip - movlt ip, r2 - sub r2, r2, ip - subs ip, ip, #16 - blt .c2u_3rem8lp - -.c2u_3cpy8lp: mov r3, r7, pull #24 - ldmia r1!, {r4 - r7} - orr r3, r3, r4, push #8 - mov r4, r4, pull #24 - orr r4, r4, r5, push #8 - mov r5, r5, pull #24 - orr r5, r5, r6, push #8 - mov r6, r6, pull #24 - orr r6, r6, r7, push #8 - stmia r0!, {r3 - r6} @ Shouldnt fault - subs ip, ip, #16 - bpl .c2u_3cpy8lp -.c2u_3rem8lp: tst ip, #8 - movne r3, r7, pull #24 - ldmneia r1!, {r4, r7} - orrne r3, r3, r4, push #8 - movne r4, r4, pull #24 - orrne r4, r4, r7, push #8 - stmneia r0!, {r3 - r4} @ Shouldnt fault - tst ip, #4 - movne r3, r7, pull #24 - ldrne r7, [r1], #4 - orrne r3, r3, r7, push #8 - strnet r3, [r0], #4 @ Shouldnt fault - ands ip, ip, #3 - beq .c2u_3fupi -.c2u_3nowords: mov r3, r7, lsr #byte(3) - teq ip, #0 - beq .c2u_finished - cmp ip, #2 -USER( strbt r3, [r0], #1) @ May fault - ldrgeb r3, [r1], #1 -USER( strgebt r3, [r0], #1) @ May fault - ldrgtb r3, [r1], #0 -USER( strgtbt r3, [r0], #1) @ May fault - b .c2u_finished - - .section .fixup,"ax" - .align 0 -9001: LOADREGS(fd,sp!, {r0, r4 - r7, pc}) - .previous - -/* Prototype: unsigned long uaccess_user_copy_from_user(void *to,const void *from,unsigned long n); - * Purpose : copy a block from user memory to kernel memory - * Params : to - kernel memory - * : from - user memory - * : n - number of bytes to copy - * Returns : Number of bytes NOT copied. - */ -.cfu_dest_not_aligned: - rsb ip, ip, #4 - cmp ip, #2 -USER( ldrbt r3, [r1], #1) @ May fault - strb r3, [r0], #1 -USER( ldrgebt r3, [r1], #1) @ May fault - strgeb r3, [r0], #1 -USER( ldrgtbt r3, [r1], #1) @ May fault - strgtb r3, [r0], #1 - sub r2, r2, ip - b .cfu_dest_aligned - -ENTRY(uaccess_user_copy_from_user) - stmfd sp!, {r0, r2, r4 - r7, lr} - cmp r2, #4 - blt .cfu_not_enough - ands ip, r0, #3 - bne .cfu_dest_not_aligned -.cfu_dest_aligned: - ands ip, r1, #3 - bne .cfu_src_not_aligned -/* - * Seeing as there has to be at least 8 bytes to copy, we can - * copy one word, and force a user-mode page fault... - */ - -.cfu_0fupi: subs r2, r2, #4 - addmi ip, r2, #4 - bmi .cfu_0nowords -USER( ldrt r3, [r1], #4) - str r3, [r0], #4 - mov ip, r1, lsl #32 - PAGE_SHIFT @ On each page, use a ld/st??t instruction - rsb ip, ip, #0 - movs ip, ip, lsr #32 - PAGE_SHIFT - beq .cfu_0fupi -/* - * ip = max no. of bytes to copy before needing another "strt" insn - */ - cmp r2, ip - movlt ip, r2 - sub r2, r2, ip - subs ip, ip, #32 - blt .cfu_0rem8lp - -.cfu_0cpy8lp: ldmia r1!, {r3 - r6} @ Shouldnt fault - stmia r0!, {r3 - r6} - ldmia r1!, {r3 - r6} @ Shouldnt fault - stmia r0!, {r3 - r6} - subs ip, ip, #32 - bpl .cfu_0cpy8lp -.cfu_0rem8lp: cmn ip, #16 - ldmgeia r1!, {r3 - r6} @ Shouldnt fault - stmgeia r0!, {r3 - r6} - tst ip, #8 - ldmneia r1!, {r3 - r4} @ Shouldnt fault - stmneia r0!, {r3 - r4} - tst ip, #4 - ldrnet r3, [r1], #4 @ Shouldnt fault - strne r3, [r0], #4 - ands ip, ip, #3 - beq .cfu_0fupi -.cfu_0nowords: teq ip, #0 - beq .cfu_finished -.cfu_nowords: cmp ip, #2 -USER( ldrbt r3, [r1], #1) @ May fault - strb r3, [r0], #1 -USER( ldrgebt r3, [r1], #1) @ May fault - strgeb r3, [r0], #1 -USER( ldrgtbt r3, [r1], #1) @ May fault - strgtb r3, [r0], #1 - b .cfu_finished - -.cfu_not_enough: - movs ip, r2 - bne .cfu_nowords -.cfu_finished: mov r0, #0 - add sp, sp, #8 - LOADREGS(fd,sp!,{r4 - r7, pc}) - -.cfu_src_not_aligned: - bic r1, r1, #3 -USER( ldrt r7, [r1], #4) @ May fault - cmp ip, #2 - bgt .cfu_3fupi - beq .cfu_2fupi -.cfu_1fupi: subs r2, r2, #4 - addmi ip, r2, #4 - bmi .cfu_1nowords - mov r3, r7, pull #8 -USER( ldrt r7, [r1], #4) @ May fault - orr r3, r3, r7, push #24 - str r3, [r0], #4 - mov ip, r1, lsl #32 - PAGE_SHIFT - rsb ip, ip, #0 - movs ip, ip, lsr #32 - PAGE_SHIFT - beq .cfu_1fupi - cmp r2, ip - movlt ip, r2 - sub r2, r2, ip - subs ip, ip, #16 - blt .cfu_1rem8lp - -.cfu_1cpy8lp: mov r3, r7, pull #8 - ldmia r1!, {r4 - r7} @ Shouldnt fault - orr r3, r3, r4, push #24 - mov r4, r4, pull #8 - orr r4, r4, r5, push #24 - mov r5, r5, pull #8 - orr r5, r5, r6, push #24 - mov r6, r6, pull #8 - orr r6, r6, r7, push #24 - stmia r0!, {r3 - r6} - subs ip, ip, #16 - bpl .cfu_1cpy8lp -.cfu_1rem8lp: tst ip, #8 - movne r3, r7, pull #8 - ldmneia r1!, {r4, r7} @ Shouldnt fault - orrne r3, r3, r4, push #24 - movne r4, r4, pull #8 - orrne r4, r4, r7, push #24 - stmneia r0!, {r3 - r4} - tst ip, #4 - movne r3, r7, pull #8 -USER( ldrnet r7, [r1], #4) @ May fault - orrne r3, r3, r7, push #24 - strne r3, [r0], #4 - ands ip, ip, #3 - beq .cfu_1fupi -.cfu_1nowords: mov r3, r7, lsr #byte(1) - teq ip, #0 - beq .cfu_finished - cmp ip, #2 - strb r3, [r0], #1 - movge r3, r7, lsr #byte(2) - strgeb r3, [r0], #1 - movgt r3, r7, lsr #byte(3) - strgtb r3, [r0], #1 - b .cfu_finished - -.cfu_2fupi: subs r2, r2, #4 - addmi ip, r2, #4 - bmi .cfu_2nowords - mov r3, r7, pull #16 -USER( ldrt r7, [r1], #4) @ May fault - orr r3, r3, r7, push #16 - str r3, [r0], #4 - mov ip, r1, lsl #32 - PAGE_SHIFT - rsb ip, ip, #0 - movs ip, ip, lsr #32 - PAGE_SHIFT - beq .cfu_2fupi - cmp r2, ip - movlt ip, r2 - sub r2, r2, ip - subs ip, ip, #16 - blt .cfu_2rem8lp - -.cfu_2cpy8lp: mov r3, r7, pull #16 - ldmia r1!, {r4 - r7} @ Shouldnt fault - orr r3, r3, r4, push #16 - mov r4, r4, pull #16 - orr r4, r4, r5, push #16 - mov r5, r5, pull #16 - orr r5, r5, r6, push #16 - mov r6, r6, pull #16 - orr r6, r6, r7, push #16 - stmia r0!, {r3 - r6} - subs ip, ip, #16 - bpl .cfu_2cpy8lp -.cfu_2rem8lp: tst ip, #8 - movne r3, r7, pull #16 - ldmneia r1!, {r4, r7} @ Shouldnt fault - orrne r3, r3, r4, push #16 - movne r4, r4, pull #16 - orrne r4, r4, r7, push #16 - stmneia r0!, {r3 - r4} - tst ip, #4 - movne r3, r7, pull #16 -USER( ldrnet r7, [r1], #4) @ May fault - orrne r3, r3, r7, push #16 - strne r3, [r0], #4 - ands ip, ip, #3 - beq .cfu_2fupi -.cfu_2nowords: mov r3, r7, lsr #byte(2) - teq ip, #0 - beq .cfu_finished - cmp ip, #2 - strb r3, [r0], #1 - movge r3, r7, lsr #byte(3) - strgeb r3, [r0], #1 -USER( ldrgtbt r3, [r1], #0) @ May fault - strgtb r3, [r0], #1 - b .cfu_finished - -.cfu_3fupi: subs r2, r2, #4 - addmi ip, r2, #4 - bmi .cfu_3nowords - mov r3, r7, pull #24 -USER( ldrt r7, [r1], #4) @ May fault - orr r3, r3, r7, push #8 - str r3, [r0], #4 - mov ip, r1, lsl #32 - PAGE_SHIFT - rsb ip, ip, #0 - movs ip, ip, lsr #32 - PAGE_SHIFT - beq .cfu_3fupi - cmp r2, ip - movlt ip, r2 - sub r2, r2, ip - subs ip, ip, #16 - blt .cfu_3rem8lp - -.cfu_3cpy8lp: mov r3, r7, pull #24 - ldmia r1!, {r4 - r7} @ Shouldnt fault - orr r3, r3, r4, push #8 - mov r4, r4, pull #24 - orr r4, r4, r5, push #8 - mov r5, r5, pull #24 - orr r5, r5, r6, push #8 - mov r6, r6, pull #24 - orr r6, r6, r7, push #8 - stmia r0!, {r3 - r6} - subs ip, ip, #16 - bpl .cfu_3cpy8lp -.cfu_3rem8lp: tst ip, #8 - movne r3, r7, pull #24 - ldmneia r1!, {r4, r7} @ Shouldnt fault - orrne r3, r3, r4, push #8 - movne r4, r4, pull #24 - orrne r4, r4, r7, push #8 - stmneia r0!, {r3 - r4} - tst ip, #4 - movne r3, r7, pull #24 -USER( ldrnet r7, [r1], #4) @ May fault - orrne r3, r3, r7, push #8 - strne r3, [r0], #4 - ands ip, ip, #3 - beq .cfu_3fupi -.cfu_3nowords: mov r3, r7, lsr #byte(3) - teq ip, #0 - beq .cfu_finished - cmp ip, #2 - strb r3, [r0], #1 -USER( ldrgebt r3, [r1], #1) @ May fault - strgeb r3, [r0], #1 -USER( ldrgtbt r3, [r1], #1) @ May fault - strgtb r3, [r0], #1 - b .cfu_finished - - .section .fixup,"ax" - .align 0 - /* - * We took an exception. r0 contains a pointer to - * the byte not copied. - */ -9001: ldr r2, [sp], #4 @ void *to - sub r2, r0, r2 @ bytes copied - ldr r1, [sp], #4 @ unsigned long count - subs r4, r1, r2 @ bytes left to copy - movne r1, r4 - blne __memzero - mov r0, r4 - LOADREGS(fd,sp!, {r4 - r7, pc}) - .previous - -/* Prototype: int uaccess_user_clear_user(void *addr, size_t sz) - * Purpose : clear some user memory - * Params : addr - user memory address to clear - * : sz - number of bytes to clear - * Returns : number of bytes NOT cleared - */ -ENTRY(uaccess_user_clear_user) - stmfd sp!, {r1, lr} - mov r2, #0 - cmp r1, #4 - blt 2f - ands ip, r0, #3 - beq 1f - cmp ip, #2 -USER( strbt r2, [r0], #1) -USER( strlebt r2, [r0], #1) -USER( strltbt r2, [r0], #1) - rsb ip, ip, #4 - sub r1, r1, ip @ 7 6 5 4 3 2 1 -1: subs r1, r1, #8 @ -1 -2 -3 -4 -5 -6 -7 -USER( strplt r2, [r0], #4) -USER( strplt r2, [r0], #4) - bpl 1b - adds r1, r1, #4 @ 3 2 1 0 -1 -2 -3 -USER( strplt r2, [r0], #4) -2: tst r1, #2 @ 1x 1x 0x 0x 1x 1x 0x -USER( strnebt r2, [r0], #1) -USER( strnebt r2, [r0], #1) - tst r1, #1 @ x1 x0 x1 x0 x1 x0 x1 -USER( strnebt r2, [r0], #1) - mov r0, #0 - LOADREGS(fd,sp!, {r1, pc}) - - .section .fixup,"ax" - .align 0 -9001: LOADREGS(fd,sp!, {r0, pc}) - .previous - -/* - * Copy a string from user space to kernel space. - * r0 = dst, r1 = src, r2 = byte length - * returns the number of characters copied (strlen of copied string), - * -EFAULT on exception, or "len" if we fill the whole buffer - */ -ENTRY(uaccess_user_strncpy_from_user) - save_lr - mov ip, r1 -1: subs r2, r2, #1 -USER( ldrplbt r3, [r1], #1) - bmi 2f - strb r3, [r0], #1 - teq r3, #0 - bne 1b - sub r1, r1, #1 @ take NUL character out of count -2: sub r0, r1, ip - restore_pc - - .section .fixup,"ax" - .align 0 -9001: mov r3, #0 - strb r3, [r0, #0] @ null terminate - mov r0, #-EFAULT - restore_pc - .previous - -/* Prototype: unsigned long uaccess_user_strnlen_user(const char *str, long n) - * Purpose : get length of a string in user memory - * Params : str - address of string in user memory - * Returns : length of string *including terminator* - * or zero on exception, or n + 1 if too long - */ -ENTRY(uaccess_user_strnlen_user) - save_lr - mov r2, r0 -1: -USER( ldrbt r3, [r0], #1) - teq r3, #0 - beq 2f - subs r1, r1, #1 - bne 1b - add r0, r0, #1 -2: sub r0, r0, r2 - restore_pc - - .section .fixup,"ax" - .align 0 -9001: mov r0, #0 - restore_pc - .previous - diff --git a/arch/arm26/lib/ucmpdi2.c b/arch/arm26/lib/ucmpdi2.c deleted file mode 100644 index 6c6ae63efa02..000000000000 --- a/arch/arm26/lib/ucmpdi2.c +++ /dev/null @@ -1,51 +0,0 @@ -/* More subroutines needed by GCC output code on some machines. */ -/* Compile this one with gcc. */ -/* Copyright (C) 1989, 92-98, 1999 Free Software Foundation, Inc. - -This file is part of GNU CC. - -GNU CC is free software; you can redistribute it and/or modify -it under the terms of the GNU General Public License as published by -the Free Software Foundation; either version 2, or (at your option) -any later version. - -GNU CC is distributed in the hope that it will be useful, -but WITHOUT ANY WARRANTY; without even the implied warranty of -MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -GNU General Public License for more details. - -You should have received a copy of the GNU General Public License -along with GNU CC; see the file COPYING. If not, write to -the Free Software Foundation, 59 Temple Place - Suite 330, -Boston, MA 02111-1307, USA. */ - -/* As a special exception, if you link this library with other files, - some of which are compiled with GCC, to produce an executable, - this library does not by itself cause the resulting executable - to be covered by the GNU General Public License. - This exception does not however invalidate any other reasons why - the executable file might be covered by the GNU General Public License. - */ -/* support functions required by the kernel. based on code from gcc-2.95.3 */ -/* I Molton 29/07/01 */ - -#include "gcclib.h" - -word_type -__ucmpdi2 (DItype a, DItype b) -{ - DIunion au, bu; - - au.ll = a, bu.ll = b; - - if ((USItype) au.s.high < (USItype) bu.s.high) - return 0; - else if ((USItype) au.s.high > (USItype) bu.s.high) - return 2; - if ((USItype) au.s.low < (USItype) bu.s.low) - return 0; - else if ((USItype) au.s.low > (USItype) bu.s.low) - return 2; - return 1; -} - diff --git a/arch/arm26/lib/udivdi3.c b/arch/arm26/lib/udivdi3.c deleted file mode 100644 index d25195f673f4..000000000000 --- a/arch/arm26/lib/udivdi3.c +++ /dev/null @@ -1,242 +0,0 @@ -/* More subroutines needed by GCC output code on some machines. */ -/* Compile this one with gcc. */ -/* Copyright (C) 1989, 92-98, 1999 Free Software Foundation, Inc. - -This file is part of GNU CC. - -GNU CC is free software; you can redistribute it and/or modify -it under the terms of the GNU General Public License as published by -the Free Software Foundation; either version 2, or (at your option) -any later version. - -GNU CC is distributed in the hope that it will be useful, -but WITHOUT ANY WARRANTY; without even the implied warranty of -MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -GNU General Public License for more details. - -You should have received a copy of the GNU General Public License -along with GNU CC; see the file COPYING. If not, write to -the Free Software Foundation, 59 Temple Place - Suite 330, -Boston, MA 02111-1307, USA. */ - -/* As a special exception, if you link this library with other files, - some of which are compiled with GCC, to produce an executable, - this library does not by itself cause the resulting executable - to be covered by the GNU General Public License. - This exception does not however invalidate any other reasons why - the executable file might be covered by the GNU General Public License. - */ -/* support functions required by the kernel. based on code from gcc-2.95.3 */ -/* I Molton 29/07/01 */ - -#include "gcclib.h" -#include "longlong.h" - -static const UQItype __clz_tab[] = -{ - 0,1,2,2,3,3,3,3,4,4,4,4,4,4,4,4,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5, - 6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6, - 7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7, - 7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7, - 8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8, - 8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8, - 8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8, - 8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8, -}; - -UDItype -__udivmoddi4 (UDItype n, UDItype d, UDItype *rp) -{ - DIunion ww; - DIunion nn, dd; - DIunion rr; - USItype d0, d1, n0, n1, n2; - USItype q0, q1; - USItype b, bm; - - nn.ll = n; - dd.ll = d; - - d0 = dd.s.low; - d1 = dd.s.high; - n0 = nn.s.low; - n1 = nn.s.high; - - if (d1 == 0) - { - if (d0 > n1) - { - /* 0q = nn / 0D */ - - count_leading_zeros (bm, d0); - - if (bm != 0) - { - /* Normalize, i.e. make the most significant bit of the - denominator set. */ - - d0 = d0 << bm; - n1 = (n1 << bm) | (n0 >> (SI_TYPE_SIZE - bm)); - n0 = n0 << bm; - } - - udiv_qrnnd (q0, n0, n1, n0, d0); - q1 = 0; - - /* Remainder in n0 >> bm. */ - } - else - { - /* qq = NN / 0d */ - - if (d0 == 0) - d0 = 1 / d0; /* Divide intentionally by zero. */ - - count_leading_zeros (bm, d0); - - if (bm == 0) - { - /* From (n1 >= d0) /\ (the most significant bit of d0 is set), - conclude (the most significant bit of n1 is set) /\ (the - leading quotient digit q1 = 1). - - This special case is necessary, not an optimization. - (Shifts counts of SI_TYPE_SIZE are undefined.) */ - - n1 -= d0; - q1 = 1; - } - else - { - /* Normalize. */ - - b = SI_TYPE_SIZE - bm; - - d0 = d0 << bm; - n2 = n1 >> b; - n1 = (n1 << bm) | (n0 >> b); - n0 = n0 << bm; - - udiv_qrnnd (q1, n1, n2, n1, d0); - } - - /* n1 != d0... */ - - udiv_qrnnd (q0, n0, n1, n0, d0); - - /* Remainder in n0 >> bm. */ - } - - if (rp != 0) - { - rr.s.low = n0 >> bm; - rr.s.high = 0; - *rp = rr.ll; - } - } - else - { - if (d1 > n1) - { - /* 00 = nn / DD */ - - q0 = 0; - q1 = 0; - - /* Remainder in n1n0. */ - if (rp != 0) - { - rr.s.low = n0; - rr.s.high = n1; - *rp = rr.ll; - } - } - else - { - /* 0q = NN / dd */ - - count_leading_zeros (bm, d1); - if (bm == 0) - { - /* From (n1 >= d1) /\ (the most significant bit of d1 is set), - conclude (the most significant bit of n1 is set) /\ (the - quotient digit q0 = 0 or 1). - - This special case is necessary, not an optimization. */ - - /* The condition on the next line takes advantage of that - n1 >= d1 (true due to program flow). */ - if (n1 > d1 || n0 >= d0) - { - q0 = 1; - sub_ddmmss (n1, n0, n1, n0, d1, d0); - } - else - q0 = 0; - - q1 = 0; - - if (rp != 0) - { - rr.s.low = n0; - rr.s.high = n1; - *rp = rr.ll; - } - } - else - { - USItype m1, m0; - /* Normalize. */ - - b = SI_TYPE_SIZE - bm; - - d1 = (d1 << bm) | (d0 >> b); - d0 = d0 << bm; - n2 = n1 >> b; - n1 = (n1 << bm) | (n0 >> b); - n0 = n0 << bm; - - udiv_qrnnd (q0, n1, n2, n1, d1); - umul_ppmm (m1, m0, q0, d0); - - if (m1 > n1 || (m1 == n1 && m0 > n0)) - { - q0--; - sub_ddmmss (m1, m0, m1, m0, d1, d0); - } - - q1 = 0; - - /* Remainder in (n1n0 - m1m0) >> bm. */ - if (rp != 0) - { - sub_ddmmss (n1, n0, n1, n0, m1, m0); - rr.s.low = (n1 << b) | (n0 >> bm); - rr.s.high = n1 >> bm; - *rp = rr.ll; - } - } - } - } - - ww.s.low = q0; - ww.s.high = q1; - return ww.ll; -} - -UDItype -__udivdi3 (UDItype n, UDItype d) -{ - return __udivmoddi4 (n, d, (UDItype *) 0); -} - -UDItype -__umoddi3 (UDItype u, UDItype v) -{ - UDItype w; - - (void) __udivmoddi4 (u ,v, &w); - - return w; -} - |