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authorSam Ravnborg <sam@ravnborg.org>2008-12-03 03:08:37 -0800
committerDavid S. Miller <davem@davemloft.net>2008-12-04 09:17:20 -0800
commitd670bd4f803c8b646acd20f3ba21e65458293faf (patch)
treeeabc30aadce1556023c4aa445c649ba9e1d3f352 /arch/sparc/kernel/head.S
parent478b8fecda511942404ac232897a718cecd13e48 (diff)
sparc: prepare kernel/ for unification
o sparc32 files with identical names to sparc64 renamed to <name>_32.S o introduced a few Kconfig helpers to simplify Makefile logic o refactored Makefile to prepare for unification - use obj-$(CONFIG_SPARC32) for sparc32 specific files - use <name>_$(BITS) for files where sparc64 has a _64 variant - sparc64 directly include a few files where sparc32 builds them, refer to these files directly (no BITS) - sneaked in -Werror as used by sparc64 o modified sparc/Makefile to use the new names for head/init_task Signed-off-by: Sam Ravnborg <sam@ravnborg.org> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'arch/sparc/kernel/head.S')
-rw-r--r--arch/sparc/kernel/head.S1295
1 files changed, 0 insertions, 1295 deletions
diff --git a/arch/sparc/kernel/head.S b/arch/sparc/kernel/head.S
deleted file mode 100644
index 51b40426f9c6..000000000000
--- a/arch/sparc/kernel/head.S
+++ /dev/null
@@ -1,1295 +0,0 @@
-/*
- * head.S: The initial boot code for the Sparc port of Linux.
- *
- * Copyright (C) 1995 David S. Miller (davem@caip.rutgers.edu)
- * Copyright (C) 1995,1999 Pete Zaitcev (zaitcev@yahoo.com)
- * Copyright (C) 1996 Miguel de Icaza (miguel@nuclecu.unam.mx)
- * Copyright (C) 1997 Jakub Jelinek (jj@sunsite.mff.cuni.cz)
- * Copyright (C) 1997 Michael A. Griffith (grif@acm.org)
- *
- * CompactPCI platform by Eric Brower, 1999.
- */
-
-#include <linux/version.h>
-#include <linux/init.h>
-
-#include <asm/head.h>
-#include <asm/asi.h>
-#include <asm/contregs.h>
-#include <asm/ptrace.h>
-#include <asm/psr.h>
-#include <asm/page.h>
-#include <asm/kdebug.h>
-#include <asm/winmacro.h>
-#include <asm/thread_info.h> /* TI_UWINMASK */
-#include <asm/errno.h>
-#include <asm/pgtsrmmu.h> /* SRMMU_PGDIR_SHIFT */
-
- .data
-/*
- * The following are used with the prom_vector node-ops to figure out
- * the cpu-type
- */
-
- .align 4
-cputyp:
- .word 1
-
- .align 4
- .globl cputypval
-cputypval:
- .asciz "sun4c"
- .ascii " "
-
-cputypvalend:
-cputypvallen = cputypvar - cputypval
-
- .align 4
-/*
- * Sun people can't spell worth damn. "compatability" indeed.
- * At least we *know* we can't spell, and use a spell-checker.
- */
-
-/* Uh, actually Linus it is I who cannot spell. Too much murky
- * Sparc assembly will do this to ya.
- */
-cputypvar:
- .asciz "compatability"
-
-/* Tested on SS-5, SS-10. Probably someone at Sun applied a spell-checker. */
- .align 4
-cputypvar_sun4m:
- .asciz "compatible"
-
- .align 4
-
-sun4_notsup:
- .asciz "Sparc-Linux sun4 support does no longer exist.\n\n"
- .align 4
-
-sun4e_notsup:
- .asciz "Sparc-Linux sun4e support does not exist\n\n"
- .align 4
-
- /* The Sparc trap table, bootloader gives us control at _start. */
- .section .text.head,"ax"
- .globl start, _stext, _start, __stext
- .globl trapbase
-_start: /* danger danger */
-__stext:
-_stext:
-start:
-trapbase:
-#ifdef CONFIG_SMP
-trapbase_cpu0:
-#endif
-/* We get control passed to us here at t_zero. */
-t_zero: b gokernel; nop; nop; nop;
-t_tflt: SPARC_TFAULT /* Inst. Access Exception */
-t_bins: TRAP_ENTRY(0x2, bad_instruction) /* Illegal Instruction */
-t_pins: TRAP_ENTRY(0x3, priv_instruction) /* Privileged Instruction */
-t_fpd: TRAP_ENTRY(0x4, fpd_trap_handler) /* Floating Point Disabled */
-t_wovf: WINDOW_SPILL /* Window Overflow */
-t_wunf: WINDOW_FILL /* Window Underflow */
-t_mna: TRAP_ENTRY(0x7, mna_handler) /* Memory Address Not Aligned */
-t_fpe: TRAP_ENTRY(0x8, fpe_trap_handler) /* Floating Point Exception */
-t_dflt: SPARC_DFAULT /* Data Miss Exception */
-t_tio: TRAP_ENTRY(0xa, do_tag_overflow) /* Tagged Instruction Ovrflw */
-t_wpt: TRAP_ENTRY(0xb, do_watchpoint) /* Watchpoint Detected */
-t_badc: BAD_TRAP(0xc) BAD_TRAP(0xd) BAD_TRAP(0xe) BAD_TRAP(0xf) BAD_TRAP(0x10)
-t_irq1: TRAP_ENTRY_INTERRUPT(1) /* IRQ Software/SBUS Level 1 */
-t_irq2: TRAP_ENTRY_INTERRUPT(2) /* IRQ SBUS Level 2 */
-t_irq3: TRAP_ENTRY_INTERRUPT(3) /* IRQ SCSI/DMA/SBUS Level 3 */
-t_irq4: TRAP_ENTRY_INTERRUPT(4) /* IRQ Software Level 4 */
-t_irq5: TRAP_ENTRY_INTERRUPT(5) /* IRQ SBUS/Ethernet Level 5 */
-t_irq6: TRAP_ENTRY_INTERRUPT(6) /* IRQ Software Level 6 */
-t_irq7: TRAP_ENTRY_INTERRUPT(7) /* IRQ Video/SBUS Level 5 */
-t_irq8: TRAP_ENTRY_INTERRUPT(8) /* IRQ SBUS Level 6 */
-t_irq9: TRAP_ENTRY_INTERRUPT(9) /* IRQ SBUS Level 7 */
-t_irq10:TRAP_ENTRY_INTERRUPT(10) /* IRQ Timer #1 (one we use) */
-t_irq11:TRAP_ENTRY_INTERRUPT(11) /* IRQ Floppy Intr. */
-t_irq12:TRAP_ENTRY_INTERRUPT(12) /* IRQ Zilog serial chip */
-t_irq13:TRAP_ENTRY_INTERRUPT(13) /* IRQ Audio Intr. */
-t_irq14:TRAP_ENTRY_INTERRUPT(14) /* IRQ Timer #2 */
- .globl t_nmi
-#ifndef CONFIG_SMP
-t_nmi: NMI_TRAP /* Level 15 (NMI) */
-#else
-t_nmi: TRAP_ENTRY(0x1f, linux_trap_ipi15_sun4m)
-#endif
-t_racc: TRAP_ENTRY(0x20, do_reg_access) /* General Register Access Error */
-t_iacce:BAD_TRAP(0x21) /* Instr Access Error */
-t_bad22:BAD_TRAP(0x22) BAD_TRAP(0x23)
-t_cpdis:TRAP_ENTRY(0x24, do_cp_disabled) /* Co-Processor Disabled */
-t_uflsh:SKIP_TRAP(0x25, unimp_flush) /* Unimplemented FLUSH inst. */
-t_bad26:BAD_TRAP(0x26) BAD_TRAP(0x27)
-t_cpexc:TRAP_ENTRY(0x28, do_cp_exception) /* Co-Processor Exception */
-t_dacce:SPARC_DFAULT /* Data Access Error */
-t_hwdz: TRAP_ENTRY(0x2a, do_hw_divzero) /* Division by zero, you lose... */
-t_dserr:BAD_TRAP(0x2b) /* Data Store Error */
-t_daccm:BAD_TRAP(0x2c) /* Data Access MMU-Miss */
-t_bad2d:BAD_TRAP(0x2d) BAD_TRAP(0x2e) BAD_TRAP(0x2f) BAD_TRAP(0x30) BAD_TRAP(0x31)
-t_bad32:BAD_TRAP(0x32) BAD_TRAP(0x33) BAD_TRAP(0x34) BAD_TRAP(0x35) BAD_TRAP(0x36)
-t_bad37:BAD_TRAP(0x37) BAD_TRAP(0x38) BAD_TRAP(0x39) BAD_TRAP(0x3a) BAD_TRAP(0x3b)
-t_iaccm:BAD_TRAP(0x3c) /* Instr Access MMU-Miss */
-t_bad3d:BAD_TRAP(0x3d) BAD_TRAP(0x3e) BAD_TRAP(0x3f) BAD_TRAP(0x40) BAD_TRAP(0x41)
-t_bad42:BAD_TRAP(0x42) BAD_TRAP(0x43) BAD_TRAP(0x44) BAD_TRAP(0x45) BAD_TRAP(0x46)
-t_bad47:BAD_TRAP(0x47) BAD_TRAP(0x48) BAD_TRAP(0x49) BAD_TRAP(0x4a) BAD_TRAP(0x4b)
-t_bad4c:BAD_TRAP(0x4c) BAD_TRAP(0x4d) BAD_TRAP(0x4e) BAD_TRAP(0x4f) BAD_TRAP(0x50)
-t_bad51:BAD_TRAP(0x51) BAD_TRAP(0x52) BAD_TRAP(0x53) BAD_TRAP(0x54) BAD_TRAP(0x55)
-t_bad56:BAD_TRAP(0x56) BAD_TRAP(0x57) BAD_TRAP(0x58) BAD_TRAP(0x59) BAD_TRAP(0x5a)
-t_bad5b:BAD_TRAP(0x5b) BAD_TRAP(0x5c) BAD_TRAP(0x5d) BAD_TRAP(0x5e) BAD_TRAP(0x5f)
-t_bad60:BAD_TRAP(0x60) BAD_TRAP(0x61) BAD_TRAP(0x62) BAD_TRAP(0x63) BAD_TRAP(0x64)
-t_bad65:BAD_TRAP(0x65) BAD_TRAP(0x66) BAD_TRAP(0x67) BAD_TRAP(0x68) BAD_TRAP(0x69)
-t_bad6a:BAD_TRAP(0x6a) BAD_TRAP(0x6b) BAD_TRAP(0x6c) BAD_TRAP(0x6d) BAD_TRAP(0x6e)
-t_bad6f:BAD_TRAP(0x6f) BAD_TRAP(0x70) BAD_TRAP(0x71) BAD_TRAP(0x72) BAD_TRAP(0x73)
-t_bad74:BAD_TRAP(0x74) BAD_TRAP(0x75) BAD_TRAP(0x76) BAD_TRAP(0x77) BAD_TRAP(0x78)
-t_bad79:BAD_TRAP(0x79) BAD_TRAP(0x7a) BAD_TRAP(0x7b) BAD_TRAP(0x7c) BAD_TRAP(0x7d)
-t_bad7e:BAD_TRAP(0x7e) BAD_TRAP(0x7f)
-t_bad80:BAD_TRAP(0x80) /* SunOS System Call */
-t_sbkpt:BREAKPOINT_TRAP /* Software Breakpoint/KGDB */
-t_divz: TRAP_ENTRY(0x82, do_hw_divzero) /* Divide by zero trap */
-t_flwin:TRAP_ENTRY(0x83, do_flush_windows) /* Flush Windows Trap */
-t_clwin:BAD_TRAP(0x84) /* Clean Windows Trap */
-t_rchk: BAD_TRAP(0x85) /* Range Check */
-t_funal:BAD_TRAP(0x86) /* Fix Unaligned Access Trap */
-t_iovf: BAD_TRAP(0x87) /* Integer Overflow Trap */
-t_bad88:BAD_TRAP(0x88) /* Slowaris System Call */
-t_bad89:BAD_TRAP(0x89) /* Net-B.S. System Call */
-t_bad8a:BAD_TRAP(0x8a) BAD_TRAP(0x8b) BAD_TRAP(0x8c) BAD_TRAP(0x8d) BAD_TRAP(0x8e)
-t_bad8f:BAD_TRAP(0x8f)
-t_linux:LINUX_SYSCALL_TRAP /* Linux System Call */
-t_bad91:BAD_TRAP(0x91) BAD_TRAP(0x92) BAD_TRAP(0x93) BAD_TRAP(0x94) BAD_TRAP(0x95)
-t_bad96:BAD_TRAP(0x96) BAD_TRAP(0x97) BAD_TRAP(0x98) BAD_TRAP(0x99) BAD_TRAP(0x9a)
-t_bad9b:BAD_TRAP(0x9b) BAD_TRAP(0x9c) BAD_TRAP(0x9d) BAD_TRAP(0x9e) BAD_TRAP(0x9f)
-t_getcc:GETCC_TRAP /* Get Condition Codes */
-t_setcc:SETCC_TRAP /* Set Condition Codes */
-t_getpsr:GETPSR_TRAP /* Get PSR Register */
-t_bada3:BAD_TRAP(0xa3) BAD_TRAP(0xa4) BAD_TRAP(0xa5) BAD_TRAP(0xa6)
-t_bada7:BAD_TRAP(0xa7)
-t_bada8:BAD_TRAP(0xa8) BAD_TRAP(0xa9) BAD_TRAP(0xaa) BAD_TRAP(0xab)
-t_badac:BAD_TRAP(0xac) BAD_TRAP(0xad) BAD_TRAP(0xae) BAD_TRAP(0xaf) BAD_TRAP(0xb0)
-t_badb1:BAD_TRAP(0xb1) BAD_TRAP(0xb2) BAD_TRAP(0xb3) BAD_TRAP(0xb4) BAD_TRAP(0xb5)
-t_badb6:BAD_TRAP(0xb6) BAD_TRAP(0xb7) BAD_TRAP(0xb8) BAD_TRAP(0xb9) BAD_TRAP(0xba)
-t_badbb:BAD_TRAP(0xbb) BAD_TRAP(0xbc) BAD_TRAP(0xbd) BAD_TRAP(0xbe) BAD_TRAP(0xbf)
-t_badc0:BAD_TRAP(0xc0) BAD_TRAP(0xc1) BAD_TRAP(0xc2) BAD_TRAP(0xc3) BAD_TRAP(0xc4)
-t_badc5:BAD_TRAP(0xc5) BAD_TRAP(0xc6) BAD_TRAP(0xc7) BAD_TRAP(0xc8) BAD_TRAP(0xc9)
-t_badca:BAD_TRAP(0xca) BAD_TRAP(0xcb) BAD_TRAP(0xcc) BAD_TRAP(0xcd) BAD_TRAP(0xce)
-t_badcf:BAD_TRAP(0xcf) BAD_TRAP(0xd0) BAD_TRAP(0xd1) BAD_TRAP(0xd2) BAD_TRAP(0xd3)
-t_badd4:BAD_TRAP(0xd4) BAD_TRAP(0xd5) BAD_TRAP(0xd6) BAD_TRAP(0xd7) BAD_TRAP(0xd8)
-t_badd9:BAD_TRAP(0xd9) BAD_TRAP(0xda) BAD_TRAP(0xdb) BAD_TRAP(0xdc) BAD_TRAP(0xdd)
-t_badde:BAD_TRAP(0xde) BAD_TRAP(0xdf) BAD_TRAP(0xe0) BAD_TRAP(0xe1) BAD_TRAP(0xe2)
-t_bade3:BAD_TRAP(0xe3) BAD_TRAP(0xe4) BAD_TRAP(0xe5) BAD_TRAP(0xe6) BAD_TRAP(0xe7)
-t_bade8:BAD_TRAP(0xe8) BAD_TRAP(0xe9) BAD_TRAP(0xea) BAD_TRAP(0xeb) BAD_TRAP(0xec)
-t_baded:BAD_TRAP(0xed) BAD_TRAP(0xee) BAD_TRAP(0xef) BAD_TRAP(0xf0) BAD_TRAP(0xf1)
-t_badf2:BAD_TRAP(0xf2) BAD_TRAP(0xf3) BAD_TRAP(0xf4) BAD_TRAP(0xf5) BAD_TRAP(0xf6)
-t_badf7:BAD_TRAP(0xf7) BAD_TRAP(0xf8) BAD_TRAP(0xf9) BAD_TRAP(0xfa) BAD_TRAP(0xfb)
-t_badfc:BAD_TRAP(0xfc)
-t_kgdb: KGDB_TRAP(0xfd)
-dbtrap: BAD_TRAP(0xfe) /* Debugger/PROM breakpoint #1 */
-dbtrap2:BAD_TRAP(0xff) /* Debugger/PROM breakpoint #2 */
-
- .globl end_traptable
-end_traptable:
-
-#ifdef CONFIG_SMP
- /* Trap tables for the other cpus. */
- .globl trapbase_cpu1, trapbase_cpu2, trapbase_cpu3
-trapbase_cpu1:
- BAD_TRAP(0x0) SRMMU_TFAULT TRAP_ENTRY(0x2, bad_instruction)
- TRAP_ENTRY(0x3, priv_instruction) TRAP_ENTRY(0x4, fpd_trap_handler)
- WINDOW_SPILL WINDOW_FILL TRAP_ENTRY(0x7, mna_handler)
- TRAP_ENTRY(0x8, fpe_trap_handler) SRMMU_DFAULT
- TRAP_ENTRY(0xa, do_tag_overflow) TRAP_ENTRY(0xb, do_watchpoint)
- BAD_TRAP(0xc) BAD_TRAP(0xd) BAD_TRAP(0xe) BAD_TRAP(0xf) BAD_TRAP(0x10)
- TRAP_ENTRY_INTERRUPT(1) TRAP_ENTRY_INTERRUPT(2)
- TRAP_ENTRY_INTERRUPT(3) TRAP_ENTRY_INTERRUPT(4)
- TRAP_ENTRY_INTERRUPT(5) TRAP_ENTRY_INTERRUPT(6)
- TRAP_ENTRY_INTERRUPT(7) TRAP_ENTRY_INTERRUPT(8)
- TRAP_ENTRY_INTERRUPT(9) TRAP_ENTRY_INTERRUPT(10)
- TRAP_ENTRY_INTERRUPT(11) TRAP_ENTRY_INTERRUPT(12)
- TRAP_ENTRY_INTERRUPT(13) TRAP_ENTRY_INTERRUPT(14)
- TRAP_ENTRY(0x1f, linux_trap_ipi15_sun4m)
- TRAP_ENTRY(0x20, do_reg_access) BAD_TRAP(0x21) BAD_TRAP(0x22)
- BAD_TRAP(0x23) TRAP_ENTRY(0x24, do_cp_disabled) SKIP_TRAP(0x25, unimp_flush)
- BAD_TRAP(0x26) BAD_TRAP(0x27) TRAP_ENTRY(0x28, do_cp_exception)
- SRMMU_DFAULT TRAP_ENTRY(0x2a, do_hw_divzero) BAD_TRAP(0x2b) BAD_TRAP(0x2c)
- BAD_TRAP(0x2d) BAD_TRAP(0x2e) BAD_TRAP(0x2f) BAD_TRAP(0x30) BAD_TRAP(0x31)
- BAD_TRAP(0x32) BAD_TRAP(0x33) BAD_TRAP(0x34) BAD_TRAP(0x35) BAD_TRAP(0x36)
- BAD_TRAP(0x37) BAD_TRAP(0x38) BAD_TRAP(0x39) BAD_TRAP(0x3a) BAD_TRAP(0x3b)
- BAD_TRAP(0x3c) BAD_TRAP(0x3d) BAD_TRAP(0x3e) BAD_TRAP(0x3f) BAD_TRAP(0x40)
- BAD_TRAP(0x41) BAD_TRAP(0x42) BAD_TRAP(0x43) BAD_TRAP(0x44) BAD_TRAP(0x45)
- BAD_TRAP(0x46) BAD_TRAP(0x47) BAD_TRAP(0x48) BAD_TRAP(0x49) BAD_TRAP(0x4a)
- BAD_TRAP(0x4b) BAD_TRAP(0x4c) BAD_TRAP(0x4d) BAD_TRAP(0x4e) BAD_TRAP(0x4f)
- BAD_TRAP(0x50)
- BAD_TRAP(0x51) BAD_TRAP(0x52) BAD_TRAP(0x53) BAD_TRAP(0x54) BAD_TRAP(0x55)
- BAD_TRAP(0x56) BAD_TRAP(0x57) BAD_TRAP(0x58) BAD_TRAP(0x59) BAD_TRAP(0x5a)
- BAD_TRAP(0x5b) BAD_TRAP(0x5c) BAD_TRAP(0x5d) BAD_TRAP(0x5e) BAD_TRAP(0x5f)
- BAD_TRAP(0x60) BAD_TRAP(0x61) BAD_TRAP(0x62) BAD_TRAP(0x63) BAD_TRAP(0x64)
- BAD_TRAP(0x65) BAD_TRAP(0x66) BAD_TRAP(0x67) BAD_TRAP(0x68) BAD_TRAP(0x69)
- BAD_TRAP(0x6a) BAD_TRAP(0x6b) BAD_TRAP(0x6c) BAD_TRAP(0x6d) BAD_TRAP(0x6e)
- BAD_TRAP(0x6f) BAD_TRAP(0x70) BAD_TRAP(0x71) BAD_TRAP(0x72) BAD_TRAP(0x73)
- BAD_TRAP(0x74) BAD_TRAP(0x75) BAD_TRAP(0x76) BAD_TRAP(0x77) BAD_TRAP(0x78)
- BAD_TRAP(0x79) BAD_TRAP(0x7a) BAD_TRAP(0x7b) BAD_TRAP(0x7c) BAD_TRAP(0x7d)
- BAD_TRAP(0x7e) BAD_TRAP(0x7f)
- BAD_TRAP(0x80)
- BREAKPOINT_TRAP
- TRAP_ENTRY(0x82, do_hw_divzero)
- TRAP_ENTRY(0x83, do_flush_windows) BAD_TRAP(0x84) BAD_TRAP(0x85)
- BAD_TRAP(0x86) BAD_TRAP(0x87) BAD_TRAP(0x88)
- BAD_TRAP(0x89) BAD_TRAP(0x8a) BAD_TRAP(0x8b) BAD_TRAP(0x8c)
- BAD_TRAP(0x8d) BAD_TRAP(0x8e) BAD_TRAP(0x8f)
- LINUX_SYSCALL_TRAP BAD_TRAP(0x91) BAD_TRAP(0x92) BAD_TRAP(0x93) BAD_TRAP(0x94)
- BAD_TRAP(0x95) BAD_TRAP(0x96) BAD_TRAP(0x97) BAD_TRAP(0x98) BAD_TRAP(0x99)
- BAD_TRAP(0x9a) BAD_TRAP(0x9b) BAD_TRAP(0x9c) BAD_TRAP(0x9d) BAD_TRAP(0x9e)
- BAD_TRAP(0x9f) GETCC_TRAP SETCC_TRAP GETPSR_TRAP
- BAD_TRAP(0xa3) BAD_TRAP(0xa4) BAD_TRAP(0xa5) BAD_TRAP(0xa6)
- BAD_TRAP(0xa7) BAD_TRAP(0xa8) BAD_TRAP(0xa9) BAD_TRAP(0xaa) BAD_TRAP(0xab)
- BAD_TRAP(0xac) BAD_TRAP(0xad) BAD_TRAP(0xae) BAD_TRAP(0xaf) BAD_TRAP(0xb0)
- BAD_TRAP(0xb1) BAD_TRAP(0xb2) BAD_TRAP(0xb3) BAD_TRAP(0xb4) BAD_TRAP(0xb5)
- BAD_TRAP(0xb6) BAD_TRAP(0xb7) BAD_TRAP(0xb8) BAD_TRAP(0xb9) BAD_TRAP(0xba)
- BAD_TRAP(0xbb) BAD_TRAP(0xbc) BAD_TRAP(0xbd) BAD_TRAP(0xbe) BAD_TRAP(0xbf)
- BAD_TRAP(0xc0) BAD_TRAP(0xc1) BAD_TRAP(0xc2) BAD_TRAP(0xc3) BAD_TRAP(0xc4)
- BAD_TRAP(0xc5) BAD_TRAP(0xc6) BAD_TRAP(0xc7) BAD_TRAP(0xc8) BAD_TRAP(0xc9)
- BAD_TRAP(0xca) BAD_TRAP(0xcb) BAD_TRAP(0xcc) BAD_TRAP(0xcd) BAD_TRAP(0xce)
- BAD_TRAP(0xcf) BAD_TRAP(0xd0) BAD_TRAP(0xd1) BAD_TRAP(0xd2) BAD_TRAP(0xd3)
- BAD_TRAP(0xd4) BAD_TRAP(0xd5) BAD_TRAP(0xd6) BAD_TRAP(0xd7) BAD_TRAP(0xd8)
- BAD_TRAP(0xd9) BAD_TRAP(0xda) BAD_TRAP(0xdb) BAD_TRAP(0xdc) BAD_TRAP(0xdd)
- BAD_TRAP(0xde) BAD_TRAP(0xdf) BAD_TRAP(0xe0) BAD_TRAP(0xe1) BAD_TRAP(0xe2)
- BAD_TRAP(0xe3) BAD_TRAP(0xe4) BAD_TRAP(0xe5) BAD_TRAP(0xe6) BAD_TRAP(0xe7)
- BAD_TRAP(0xe8) BAD_TRAP(0xe9) BAD_TRAP(0xea) BAD_TRAP(0xeb) BAD_TRAP(0xec)
- BAD_TRAP(0xed) BAD_TRAP(0xee) BAD_TRAP(0xef) BAD_TRAP(0xf0) BAD_TRAP(0xf1)
- BAD_TRAP(0xf2) BAD_TRAP(0xf3) BAD_TRAP(0xf4) BAD_TRAP(0xf5) BAD_TRAP(0xf6)
- BAD_TRAP(0xf7) BAD_TRAP(0xf8) BAD_TRAP(0xf9) BAD_TRAP(0xfa) BAD_TRAP(0xfb)
- BAD_TRAP(0xfc) KGDB_TRAP(0xfd) BAD_TRAP(0xfe) BAD_TRAP(0xff)
-
-trapbase_cpu2:
- BAD_TRAP(0x0) SRMMU_TFAULT TRAP_ENTRY(0x2, bad_instruction)
- TRAP_ENTRY(0x3, priv_instruction) TRAP_ENTRY(0x4, fpd_trap_handler)
- WINDOW_SPILL WINDOW_FILL TRAP_ENTRY(0x7, mna_handler)
- TRAP_ENTRY(0x8, fpe_trap_handler) SRMMU_DFAULT
- TRAP_ENTRY(0xa, do_tag_overflow) TRAP_ENTRY(0xb, do_watchpoint)
- BAD_TRAP(0xc) BAD_TRAP(0xd) BAD_TRAP(0xe) BAD_TRAP(0xf) BAD_TRAP(0x10)
- TRAP_ENTRY_INTERRUPT(1) TRAP_ENTRY_INTERRUPT(2)
- TRAP_ENTRY_INTERRUPT(3) TRAP_ENTRY_INTERRUPT(4)
- TRAP_ENTRY_INTERRUPT(5) TRAP_ENTRY_INTERRUPT(6)
- TRAP_ENTRY_INTERRUPT(7) TRAP_ENTRY_INTERRUPT(8)
- TRAP_ENTRY_INTERRUPT(9) TRAP_ENTRY_INTERRUPT(10)
- TRAP_ENTRY_INTERRUPT(11) TRAP_ENTRY_INTERRUPT(12)
- TRAP_ENTRY_INTERRUPT(13) TRAP_ENTRY_INTERRUPT(14)
- TRAP_ENTRY(0x1f, linux_trap_ipi15_sun4m)
- TRAP_ENTRY(0x20, do_reg_access) BAD_TRAP(0x21) BAD_TRAP(0x22)
- BAD_TRAP(0x23) TRAP_ENTRY(0x24, do_cp_disabled) SKIP_TRAP(0x25, unimp_flush)
- BAD_TRAP(0x26) BAD_TRAP(0x27) TRAP_ENTRY(0x28, do_cp_exception)
- SRMMU_DFAULT TRAP_ENTRY(0x2a, do_hw_divzero) BAD_TRAP(0x2b) BAD_TRAP(0x2c)
- BAD_TRAP(0x2d) BAD_TRAP(0x2e) BAD_TRAP(0x2f) BAD_TRAP(0x30) BAD_TRAP(0x31)
- BAD_TRAP(0x32) BAD_TRAP(0x33) BAD_TRAP(0x34) BAD_TRAP(0x35) BAD_TRAP(0x36)
- BAD_TRAP(0x37) BAD_TRAP(0x38) BAD_TRAP(0x39) BAD_TRAP(0x3a) BAD_TRAP(0x3b)
- BAD_TRAP(0x3c) BAD_TRAP(0x3d) BAD_TRAP(0x3e) BAD_TRAP(0x3f) BAD_TRAP(0x40)
- BAD_TRAP(0x41) BAD_TRAP(0x42) BAD_TRAP(0x43) BAD_TRAP(0x44) BAD_TRAP(0x45)
- BAD_TRAP(0x46) BAD_TRAP(0x47) BAD_TRAP(0x48) BAD_TRAP(0x49) BAD_TRAP(0x4a)
- BAD_TRAP(0x4b) BAD_TRAP(0x4c) BAD_TRAP(0x4d) BAD_TRAP(0x4e) BAD_TRAP(0x4f)
- BAD_TRAP(0x50)
- BAD_TRAP(0x51) BAD_TRAP(0x52) BAD_TRAP(0x53) BAD_TRAP(0x54) BAD_TRAP(0x55)
- BAD_TRAP(0x56) BAD_TRAP(0x57) BAD_TRAP(0x58) BAD_TRAP(0x59) BAD_TRAP(0x5a)
- BAD_TRAP(0x5b) BAD_TRAP(0x5c) BAD_TRAP(0x5d) BAD_TRAP(0x5e) BAD_TRAP(0x5f)
- BAD_TRAP(0x60) BAD_TRAP(0x61) BAD_TRAP(0x62) BAD_TRAP(0x63) BAD_TRAP(0x64)
- BAD_TRAP(0x65) BAD_TRAP(0x66) BAD_TRAP(0x67) BAD_TRAP(0x68) BAD_TRAP(0x69)
- BAD_TRAP(0x6a) BAD_TRAP(0x6b) BAD_TRAP(0x6c) BAD_TRAP(0x6d) BAD_TRAP(0x6e)
- BAD_TRAP(0x6f) BAD_TRAP(0x70) BAD_TRAP(0x71) BAD_TRAP(0x72) BAD_TRAP(0x73)
- BAD_TRAP(0x74) BAD_TRAP(0x75) BAD_TRAP(0x76) BAD_TRAP(0x77) BAD_TRAP(0x78)
- BAD_TRAP(0x79) BAD_TRAP(0x7a) BAD_TRAP(0x7b) BAD_TRAP(0x7c) BAD_TRAP(0x7d)
- BAD_TRAP(0x7e) BAD_TRAP(0x7f)
- BAD_TRAP(0x80)
- BREAKPOINT_TRAP
- TRAP_ENTRY(0x82, do_hw_divzero)
- TRAP_ENTRY(0x83, do_flush_windows) BAD_TRAP(0x84) BAD_TRAP(0x85)
- BAD_TRAP(0x86) BAD_TRAP(0x87) BAD_TRAP(0x88)
- BAD_TRAP(0x89) BAD_TRAP(0x8a) BAD_TRAP(0x8b) BAD_TRAP(0x8c)
- BAD_TRAP(0x8d) BAD_TRAP(0x8e) BAD_TRAP(0x8f)
- LINUX_SYSCALL_TRAP BAD_TRAP(0x91) BAD_TRAP(0x92) BAD_TRAP(0x93) BAD_TRAP(0x94)
- BAD_TRAP(0x95) BAD_TRAP(0x96) BAD_TRAP(0x97) BAD_TRAP(0x98) BAD_TRAP(0x99)
- BAD_TRAP(0x9a) BAD_TRAP(0x9b) BAD_TRAP(0x9c) BAD_TRAP(0x9d) BAD_TRAP(0x9e)
- BAD_TRAP(0x9f) GETCC_TRAP SETCC_TRAP GETPSR_TRAP
- BAD_TRAP(0xa3) BAD_TRAP(0xa4) BAD_TRAP(0xa5) BAD_TRAP(0xa6)
- BAD_TRAP(0xa7) BAD_TRAP(0xa8) BAD_TRAP(0xa9) BAD_TRAP(0xaa) BAD_TRAP(0xab)
- BAD_TRAP(0xac) BAD_TRAP(0xad) BAD_TRAP(0xae) BAD_TRAP(0xaf) BAD_TRAP(0xb0)
- BAD_TRAP(0xb1) BAD_TRAP(0xb2) BAD_TRAP(0xb3) BAD_TRAP(0xb4) BAD_TRAP(0xb5)
- BAD_TRAP(0xb6) BAD_TRAP(0xb7) BAD_TRAP(0xb8) BAD_TRAP(0xb9) BAD_TRAP(0xba)
- BAD_TRAP(0xbb) BAD_TRAP(0xbc) BAD_TRAP(0xbd) BAD_TRAP(0xbe) BAD_TRAP(0xbf)
- BAD_TRAP(0xc0) BAD_TRAP(0xc1) BAD_TRAP(0xc2) BAD_TRAP(0xc3) BAD_TRAP(0xc4)
- BAD_TRAP(0xc5) BAD_TRAP(0xc6) BAD_TRAP(0xc7) BAD_TRAP(0xc8) BAD_TRAP(0xc9)
- BAD_TRAP(0xca) BAD_TRAP(0xcb) BAD_TRAP(0xcc) BAD_TRAP(0xcd) BAD_TRAP(0xce)
- BAD_TRAP(0xcf) BAD_TRAP(0xd0) BAD_TRAP(0xd1) BAD_TRAP(0xd2) BAD_TRAP(0xd3)
- BAD_TRAP(0xd4) BAD_TRAP(0xd5) BAD_TRAP(0xd6) BAD_TRAP(0xd7) BAD_TRAP(0xd8)
- BAD_TRAP(0xd9) BAD_TRAP(0xda) BAD_TRAP(0xdb) BAD_TRAP(0xdc) BAD_TRAP(0xdd)
- BAD_TRAP(0xde) BAD_TRAP(0xdf) BAD_TRAP(0xe0) BAD_TRAP(0xe1) BAD_TRAP(0xe2)
- BAD_TRAP(0xe3) BAD_TRAP(0xe4) BAD_TRAP(0xe5) BAD_TRAP(0xe6) BAD_TRAP(0xe7)
- BAD_TRAP(0xe8) BAD_TRAP(0xe9) BAD_TRAP(0xea) BAD_TRAP(0xeb) BAD_TRAP(0xec)
- BAD_TRAP(0xed) BAD_TRAP(0xee) BAD_TRAP(0xef) BAD_TRAP(0xf0) BAD_TRAP(0xf1)
- BAD_TRAP(0xf2) BAD_TRAP(0xf3) BAD_TRAP(0xf4) BAD_TRAP(0xf5) BAD_TRAP(0xf6)
- BAD_TRAP(0xf7) BAD_TRAP(0xf8) BAD_TRAP(0xf9) BAD_TRAP(0xfa) BAD_TRAP(0xfb)
- BAD_TRAP(0xfc) KGDB_TRAP(0xfd) BAD_TRAP(0xfe) BAD_TRAP(0xff)
-
-trapbase_cpu3:
- BAD_TRAP(0x0) SRMMU_TFAULT TRAP_ENTRY(0x2, bad_instruction)
- TRAP_ENTRY(0x3, priv_instruction) TRAP_ENTRY(0x4, fpd_trap_handler)
- WINDOW_SPILL WINDOW_FILL TRAP_ENTRY(0x7, mna_handler)
- TRAP_ENTRY(0x8, fpe_trap_handler) SRMMU_DFAULT
- TRAP_ENTRY(0xa, do_tag_overflow) TRAP_ENTRY(0xb, do_watchpoint)
- BAD_TRAP(0xc) BAD_TRAP(0xd) BAD_TRAP(0xe) BAD_TRAP(0xf) BAD_TRAP(0x10)
- TRAP_ENTRY_INTERRUPT(1) TRAP_ENTRY_INTERRUPT(2)
- TRAP_ENTRY_INTERRUPT(3) TRAP_ENTRY_INTERRUPT(4)
- TRAP_ENTRY_INTERRUPT(5) TRAP_ENTRY_INTERRUPT(6)
- TRAP_ENTRY_INTERRUPT(7) TRAP_ENTRY_INTERRUPT(8)
- TRAP_ENTRY_INTERRUPT(9) TRAP_ENTRY_INTERRUPT(10)
- TRAP_ENTRY_INTERRUPT(11) TRAP_ENTRY_INTERRUPT(12)
- TRAP_ENTRY_INTERRUPT(13) TRAP_ENTRY_INTERRUPT(14)
- TRAP_ENTRY(0x1f, linux_trap_ipi15_sun4m)
- TRAP_ENTRY(0x20, do_reg_access) BAD_TRAP(0x21) BAD_TRAP(0x22)
- BAD_TRAP(0x23) TRAP_ENTRY(0x24, do_cp_disabled) SKIP_TRAP(0x25, unimp_flush)
- BAD_TRAP(0x26) BAD_TRAP(0x27) TRAP_ENTRY(0x28, do_cp_exception)
- SRMMU_DFAULT TRAP_ENTRY(0x2a, do_hw_divzero) BAD_TRAP(0x2b) BAD_TRAP(0x2c)
- BAD_TRAP(0x2d) BAD_TRAP(0x2e) BAD_TRAP(0x2f) BAD_TRAP(0x30) BAD_TRAP(0x31)
- BAD_TRAP(0x32) BAD_TRAP(0x33) BAD_TRAP(0x34) BAD_TRAP(0x35) BAD_TRAP(0x36)
- BAD_TRAP(0x37) BAD_TRAP(0x38) BAD_TRAP(0x39) BAD_TRAP(0x3a) BAD_TRAP(0x3b)
- BAD_TRAP(0x3c) BAD_TRAP(0x3d) BAD_TRAP(0x3e) BAD_TRAP(0x3f) BAD_TRAP(0x40)
- BAD_TRAP(0x41) BAD_TRAP(0x42) BAD_TRAP(0x43) BAD_TRAP(0x44) BAD_TRAP(0x45)
- BAD_TRAP(0x46) BAD_TRAP(0x47) BAD_TRAP(0x48) BAD_TRAP(0x49) BAD_TRAP(0x4a)
- BAD_TRAP(0x4b) BAD_TRAP(0x4c) BAD_TRAP(0x4d) BAD_TRAP(0x4e) BAD_TRAP(0x4f)
- BAD_TRAP(0x50)
- BAD_TRAP(0x51) BAD_TRAP(0x52) BAD_TRAP(0x53) BAD_TRAP(0x54) BAD_TRAP(0x55)
- BAD_TRAP(0x56) BAD_TRAP(0x57) BAD_TRAP(0x58) BAD_TRAP(0x59) BAD_TRAP(0x5a)
- BAD_TRAP(0x5b) BAD_TRAP(0x5c) BAD_TRAP(0x5d) BAD_TRAP(0x5e) BAD_TRAP(0x5f)
- BAD_TRAP(0x60) BAD_TRAP(0x61) BAD_TRAP(0x62) BAD_TRAP(0x63) BAD_TRAP(0x64)
- BAD_TRAP(0x65) BAD_TRAP(0x66) BAD_TRAP(0x67) BAD_TRAP(0x68) BAD_TRAP(0x69)
- BAD_TRAP(0x6a) BAD_TRAP(0x6b) BAD_TRAP(0x6c) BAD_TRAP(0x6d) BAD_TRAP(0x6e)
- BAD_TRAP(0x6f) BAD_TRAP(0x70) BAD_TRAP(0x71) BAD_TRAP(0x72) BAD_TRAP(0x73)
- BAD_TRAP(0x74) BAD_TRAP(0x75) BAD_TRAP(0x76) BAD_TRAP(0x77) BAD_TRAP(0x78)
- BAD_TRAP(0x79) BAD_TRAP(0x7a) BAD_TRAP(0x7b) BAD_TRAP(0x7c) BAD_TRAP(0x7d)
- BAD_TRAP(0x7e) BAD_TRAP(0x7f)
- BAD_TRAP(0x80)
- BREAKPOINT_TRAP
- TRAP_ENTRY(0x82, do_hw_divzero)
- TRAP_ENTRY(0x83, do_flush_windows) BAD_TRAP(0x84) BAD_TRAP(0x85)
- BAD_TRAP(0x86) BAD_TRAP(0x87) BAD_TRAP(0x88)
- BAD_TRAP(0x89) BAD_TRAP(0x8a) BAD_TRAP(0x8b) BAD_TRAP(0x8c)
- BAD_TRAP(0x8d) BAD_TRAP(0x8e) BAD_TRAP(0x8f)
- LINUX_SYSCALL_TRAP BAD_TRAP(0x91) BAD_TRAP(0x92) BAD_TRAP(0x93) BAD_TRAP(0x94)
- BAD_TRAP(0x95) BAD_TRAP(0x96) BAD_TRAP(0x97) BAD_TRAP(0x98) BAD_TRAP(0x99)
- BAD_TRAP(0x9a) BAD_TRAP(0x9b) BAD_TRAP(0x9c) BAD_TRAP(0x9d) BAD_TRAP(0x9e)
- BAD_TRAP(0x9f) GETCC_TRAP SETCC_TRAP GETPSR_TRAP
- BAD_TRAP(0xa3) BAD_TRAP(0xa4) BAD_TRAP(0xa5) BAD_TRAP(0xa6)
- BAD_TRAP(0xa7) BAD_TRAP(0xa8) BAD_TRAP(0xa9) BAD_TRAP(0xaa) BAD_TRAP(0xab)
- BAD_TRAP(0xac) BAD_TRAP(0xad) BAD_TRAP(0xae) BAD_TRAP(0xaf) BAD_TRAP(0xb0)
- BAD_TRAP(0xb1) BAD_TRAP(0xb2) BAD_TRAP(0xb3) BAD_TRAP(0xb4) BAD_TRAP(0xb5)
- BAD_TRAP(0xb6) BAD_TRAP(0xb7) BAD_TRAP(0xb8) BAD_TRAP(0xb9) BAD_TRAP(0xba)
- BAD_TRAP(0xbb) BAD_TRAP(0xbc) BAD_TRAP(0xbd) BAD_TRAP(0xbe) BAD_TRAP(0xbf)
- BAD_TRAP(0xc0) BAD_TRAP(0xc1) BAD_TRAP(0xc2) BAD_TRAP(0xc3) BAD_TRAP(0xc4)
- BAD_TRAP(0xc5) BAD_TRAP(0xc6) BAD_TRAP(0xc7) BAD_TRAP(0xc8) BAD_TRAP(0xc9)
- BAD_TRAP(0xca) BAD_TRAP(0xcb) BAD_TRAP(0xcc) BAD_TRAP(0xcd) BAD_TRAP(0xce)
- BAD_TRAP(0xcf) BAD_TRAP(0xd0) BAD_TRAP(0xd1) BAD_TRAP(0xd2) BAD_TRAP(0xd3)
- BAD_TRAP(0xd4) BAD_TRAP(0xd5) BAD_TRAP(0xd6) BAD_TRAP(0xd7) BAD_TRAP(0xd8)
- BAD_TRAP(0xd9) BAD_TRAP(0xda) BAD_TRAP(0xdb) BAD_TRAP(0xdc) BAD_TRAP(0xdd)
- BAD_TRAP(0xde) BAD_TRAP(0xdf) BAD_TRAP(0xe0) BAD_TRAP(0xe1) BAD_TRAP(0xe2)
- BAD_TRAP(0xe3) BAD_TRAP(0xe4) BAD_TRAP(0xe5) BAD_TRAP(0xe6) BAD_TRAP(0xe7)
- BAD_TRAP(0xe8) BAD_TRAP(0xe9) BAD_TRAP(0xea) BAD_TRAP(0xeb) BAD_TRAP(0xec)
- BAD_TRAP(0xed) BAD_TRAP(0xee) BAD_TRAP(0xef) BAD_TRAP(0xf0) BAD_TRAP(0xf1)
- BAD_TRAP(0xf2) BAD_TRAP(0xf3) BAD_TRAP(0xf4) BAD_TRAP(0xf5) BAD_TRAP(0xf6)
- BAD_TRAP(0xf7) BAD_TRAP(0xf8) BAD_TRAP(0xf9) BAD_TRAP(0xfa) BAD_TRAP(0xfb)
- BAD_TRAP(0xfc) KGDB_TRAP(0xfd) BAD_TRAP(0xfe) BAD_TRAP(0xff)
-
-#endif
- .align PAGE_SIZE
-
-/* This was the only reasonable way I could think of to properly align
- * these page-table data structures.
- */
- .globl pg0, pg1, pg2, pg3
- .globl empty_bad_page
- .globl empty_bad_page_table
- .globl empty_zero_page
- .globl swapper_pg_dir
-swapper_pg_dir: .skip PAGE_SIZE
-pg0: .skip PAGE_SIZE
-pg1: .skip PAGE_SIZE
-pg2: .skip PAGE_SIZE
-pg3: .skip PAGE_SIZE
-empty_bad_page: .skip PAGE_SIZE
-empty_bad_page_table: .skip PAGE_SIZE
-empty_zero_page: .skip PAGE_SIZE
-
- .global root_flags
- .global ram_flags
- .global root_dev
- .global sparc_ramdisk_image
- .global sparc_ramdisk_size
-
-/* This stuff has to be in sync with SILO and other potential boot loaders
- * Fields should be kept upward compatible and whenever any change is made,
- * HdrS version should be incremented.
- */
- .ascii "HdrS"
- .word LINUX_VERSION_CODE
- .half 0x0203 /* HdrS version */
-root_flags:
- .half 1
-root_dev:
- .half 0
-ram_flags:
- .half 0
-sparc_ramdisk_image:
- .word 0
-sparc_ramdisk_size:
- .word 0
- .word reboot_command
- .word 0, 0, 0
- .word _end
-
-/* Cool, here we go. Pick up the romvec pointer in %o0 and stash it in
- * %g7 and at prom_vector_p. And also quickly check whether we are on
- * a v0, v2, or v3 prom.
- */
-gokernel:
- /* Ok, it's nice to know, as early as possible, if we
- * are already mapped where we expect to be in virtual
- * memory. The Solaris /boot elf format bootloader
- * will peek into our elf header and load us where
- * we want to be, otherwise we have to re-map.
- *
- * Some boot loaders don't place the jmp'rs address
- * in %o7, so we do a pc-relative call to a local
- * label, then see what %o7 has.
- */
-
- mov %o7, %g4 ! Save %o7
-
- /* Jump to it, and pray... */
-current_pc:
- call 1f
- nop
-
-1:
- mov %o7, %g3
-
- tst %o0
- be no_sun4u_here
- mov %g4, %o7 /* Previous %o7. */
-
- mov %o0, %l0 ! stash away romvec
- mov %o0, %g7 ! put it here too
- mov %o1, %l1 ! stash away debug_vec too
-
- /* Ok, let's check out our run time program counter. */
- set current_pc, %g5
- cmp %g3, %g5
- be already_mapped
- nop
-
- /* %l6 will hold the offset we have to subtract
- * from absolute symbols in order to access areas
- * in our own image. If already mapped this is
- * just plain zero, else it is KERNBASE.
- */
- set KERNBASE, %l6
- b copy_prom_lvl14
- nop
-
-already_mapped:
- mov 0, %l6
-
- /* Copy over the Prom's level 14 clock handler. */
-copy_prom_lvl14:
-#if 1
- /* DJHR
- * preserve our linked/calculated instructions
- */
- set lvl14_save, %g1
- set t_irq14, %g3
- sub %g1, %l6, %g1 ! translate to physical
- sub %g3, %l6, %g3 ! translate to physical
- ldd [%g3], %g4
- std %g4, [%g1]
- ldd [%g3+8], %g4
- std %g4, [%g1+8]
-#endif
- rd %tbr, %g1
- andn %g1, 0xfff, %g1 ! proms trap table base
- or %g0, (0x1e<<4), %g2 ! offset to lvl14 intr
- or %g1, %g2, %g2
- set t_irq14, %g3
- sub %g3, %l6, %g3
- ldd [%g2], %g4
- std %g4, [%g3]
- ldd [%g2 + 0x8], %g4
- std %g4, [%g3 + 0x8] ! Copy proms handler
-
-/* Must determine whether we are on a sun4c MMU, SRMMU, or SUN4/400 MUTANT
- * MMU so we can remap ourselves properly. DON'T TOUCH %l0 thru %l5 in these
- * remapping routines, we need their values afterwards!
- */
- /* Now check whether we are already mapped, if we
- * are we can skip all this garbage coming up.
- */
-copy_prom_done:
- cmp %l6, 0
- be go_to_highmem ! this will be a nop then
- nop
-
- set LOAD_ADDR, %g6
- cmp %g7, %g6
- bne remap_not_a_sun4 ! This is not a Sun4
- nop
-
- or %g0, 0x1, %g1
- lduba [%g1] ASI_CONTROL, %g1 ! Only safe to try on Sun4.
- subcc %g1, 0x24, %g0 ! Is this a mutant Sun4/400???
- be sun4_mutant_remap ! Ugh, it is...
- nop
-
- b sun4_normal_remap ! regular sun4, 2 level mmu
- nop
-
-remap_not_a_sun4:
- lda [%g0] ASI_M_MMUREGS, %g1 ! same as ASI_PTE on sun4c
- and %g1, 0x1, %g1 ! Test SRMMU Enable bit ;-)
- cmp %g1, 0x0
- be sun4c_remap ! A sun4c MMU or normal Sun4
- nop
-srmmu_remap:
- /* First, check for a viking (TI) module. */
- set 0x40000000, %g2
- rd %psr, %g3
- and %g2, %g3, %g3
- subcc %g3, 0x0, %g0
- bz srmmu_nviking
- nop
-
- /* Figure out what kind of viking we are on.
- * We need to know if we have to play with the
- * AC bit and disable traps or not.
- */
-
- /* I've only seen MicroSparc's on SparcClassics with this
- * bit set.
- */
- set 0x800, %g2
- lda [%g0] ASI_M_MMUREGS, %g3 ! peek in the control reg
- and %g2, %g3, %g3
- subcc %g3, 0x0, %g0
- bnz srmmu_nviking ! is in mbus mode
- nop
-
- rd %psr, %g3 ! DO NOT TOUCH %g3
- andn %g3, PSR_ET, %g2
- wr %g2, 0x0, %psr
- WRITE_PAUSE
-
- /* Get context table pointer, then convert to
- * a physical address, which is 36 bits.
- */
- set AC_M_CTPR, %g4
- lda [%g4] ASI_M_MMUREGS, %g4
- sll %g4, 0x4, %g4 ! We use this below
- ! DO NOT TOUCH %g4
-
- /* Set the AC bit in the Viking's MMU control reg. */
- lda [%g0] ASI_M_MMUREGS, %g5 ! DO NOT TOUCH %g5
- set 0x8000, %g6 ! AC bit mask
- or %g5, %g6, %g6 ! Or it in...
- sta %g6, [%g0] ASI_M_MMUREGS ! Close your eyes...
-
- /* Grrr, why does it seem like every other load/store
- * on the sun4m is in some ASI space...
- * Fine with me, let's get the pointer to the level 1
- * page table directory and fetch its entry.
- */
- lda [%g4] ASI_M_BYPASS, %o1 ! This is a level 1 ptr
- srl %o1, 0x4, %o1 ! Clear low 4 bits
- sll %o1, 0x8, %o1 ! Make physical
-
- /* Ok, pull in the PTD. */
- lda [%o1] ASI_M_BYPASS, %o2 ! This is the 0x0 16MB pgd
-
- /* Calculate to KERNBASE entry. */
- add %o1, KERNBASE >> (SRMMU_PGDIR_SHIFT - 2), %o3
-
- /* Poke the entry into the calculated address. */
- sta %o2, [%o3] ASI_M_BYPASS
-
- /* I don't get it Sun, if you engineered all these
- * boot loaders and the PROM (thank you for the debugging
- * features btw) why did you not have them load kernel
- * images up in high address space, since this is necessary
- * for ABI compliance anyways? Does this low-mapping provide
- * enhanced interoperability?
- *
- * "The PROM is the computer."
- */
-
- /* Ok, restore the MMU control register we saved in %g5 */
- sta %g5, [%g0] ASI_M_MMUREGS ! POW... ouch
-
- /* Turn traps back on. We saved it in %g3 earlier. */
- wr %g3, 0x0, %psr ! tick tock, tick tock
-
- /* Now we burn precious CPU cycles due to bad engineering. */
- WRITE_PAUSE
-
- /* Wow, all that just to move a 32-bit value from one
- * place to another... Jump to high memory.
- */
- b go_to_highmem
- nop
-
- /* This works on viking's in Mbus mode and all
- * other MBUS modules. It is virtually the same as
- * the above madness sans turning traps off and flipping
- * the AC bit.
- */
-srmmu_nviking:
- set AC_M_CTPR, %g1
- lda [%g1] ASI_M_MMUREGS, %g1 ! get ctx table ptr
- sll %g1, 0x4, %g1 ! make physical addr
- lda [%g1] ASI_M_BYPASS, %g1 ! ptr to level 1 pg_table
- srl %g1, 0x4, %g1
- sll %g1, 0x8, %g1 ! make phys addr for l1 tbl
-
- lda [%g1] ASI_M_BYPASS, %g2 ! get level1 entry for 0x0
- add %g1, KERNBASE >> (SRMMU_PGDIR_SHIFT - 2), %g3
- sta %g2, [%g3] ASI_M_BYPASS ! place at KERNBASE entry
- b go_to_highmem
- nop ! wheee....
-
- /* This remaps the kernel on Sun4/4xx machines
- * that have the Sun Mutant Three Level MMU.
- * It's like a platypus, Sun didn't have the
- * SRMMU in conception so they kludged the three
- * level logic in the regular Sun4 MMU probably.
- *
- * Basically, you take each entry in the top level
- * directory that maps the low 3MB starting at
- * address zero and put the mapping in the KERNBASE
- * slots. These top level pgd's are called regmaps.
- */
-sun4_mutant_remap:
- or %g0, %g0, %g3 ! source base
- sethi %hi(KERNBASE), %g4 ! destination base
- or %g4, %lo(KERNBASE), %g4
- sethi %hi(0x300000), %g5
- or %g5, %lo(0x300000), %g5 ! upper bound 3MB
- or %g0, 0x1, %l6
- sll %l6, 24, %l6 ! Regmap mapping size
- add %g3, 0x2, %g3 ! Base magic
- add %g4, 0x2, %g4 ! Base magic
-
- /* Main remapping loop on Sun4-Mutant-MMU.
- * "I am not an animal..." -Famous Mutant Person
- */
-sun4_mutant_loop:
- lduha [%g3] ASI_REGMAP, %g2 ! Get lower entry
- stha %g2, [%g4] ASI_REGMAP ! Store in high entry
- add %g4, %l6, %g4 ! Move up high memory ptr
- subcc %g3, %g5, %g0 ! Reached our limit?
- blu sun4_mutant_loop ! Nope, loop again
- add %g3, %l6, %g3 ! delay, Move up low ptr
- b go_to_highmem ! Jump to high memory.
- nop
-
- /* The following is for non-4/4xx sun4 MMU's. */
-sun4_normal_remap:
- mov 0, %g3 ! source base
- set KERNBASE, %g4 ! destination base
- set 0x300000, %g5 ! upper bound 3MB
- mov 1, %l6
- sll %l6, 18, %l6 ! sun4 mmu segmap size
-sun4_normal_loop:
- lduha [%g3] ASI_SEGMAP, %g6 ! load phys_seg
- stha %g6, [%g4] ASI_SEGMAP ! stort new virt mapping
- add %g3, %l6, %g3 ! increment source pointer
- subcc %g3, %g5, %g0 ! reached limit?
- blu sun4_normal_loop ! nope, loop again
- add %g4, %l6, %g4 ! delay, increment dest ptr
- b go_to_highmem
- nop
-
- /* The following works for Sun4c MMU's */
-sun4c_remap:
- mov 0, %g3 ! source base
- set KERNBASE, %g4 ! destination base
- set 0x300000, %g5 ! upper bound 3MB
- mov 1, %l6
- sll %l6, 18, %l6 ! sun4c mmu segmap size
-sun4c_remap_loop:
- lda [%g3] ASI_SEGMAP, %g6 ! load phys_seg
- sta %g6, [%g4] ASI_SEGMAP ! store new virt mapping
- add %g3, %l6, %g3 ! Increment source ptr
- subcc %g3, %g5, %g0 ! Reached limit?
- bl sun4c_remap_loop ! Nope, loop again
- add %g4, %l6, %g4 ! delay, Increment dest ptr
-
-/* Now do a non-relative jump so that PC is in high-memory */
-go_to_highmem:
- set execute_in_high_mem, %g1
- jmpl %g1, %g0
- nop
-
-/* The code above should be at beginning and we have to take care about
- * short jumps, as branching to .text.init section from .text is usually
- * impossible */
- __INIT
-/* Acquire boot time privileged register values, this will help debugging.
- * I figure out and store nwindows and nwindowsm1 later on.
- */
-execute_in_high_mem:
- mov %l0, %o0 ! put back romvec
- mov %l1, %o1 ! and debug_vec
-
- sethi %hi(prom_vector_p), %g1
- st %o0, [%g1 + %lo(prom_vector_p)]
-
- sethi %hi(linux_dbvec), %g1
- st %o1, [%g1 + %lo(linux_dbvec)]
-
- ld [%o0 + 0x4], %o3
- and %o3, 0x3, %o5 ! get the version
-
- cmp %o3, 0x2 ! a v2 prom?
- be found_version
- nop
-
- /* paul@sfe.com.au */
- cmp %o3, 0x3 ! a v3 prom?
- be found_version
- nop
-
-/* Old sun4's pass our load address into %o0 instead of the prom
- * pointer. On sun4's you have to hard code the romvec pointer into
- * your code. Sun probably still does that because they don't even
- * trust their own "OpenBoot" specifications.
- */
- set LOAD_ADDR, %g6
- cmp %o0, %g6 ! an old sun4?
- be sun4_init
- nop
-
-found_version:
-/* Get the machine type via the mysterious romvec node operations. */
-
- add %g7, 0x1c, %l1
- ld [%l1], %l0
- ld [%l0], %l0
- call %l0
- or %g0, %g0, %o0 ! next_node(0) = first_node
- or %o0, %g0, %g6
-
- sethi %hi(cputypvar), %o1 ! First node has cpu-arch
- or %o1, %lo(cputypvar), %o1
- sethi %hi(cputypval), %o2 ! information, the string
- or %o2, %lo(cputypval), %o2
- ld [%l1], %l0 ! 'compatibility' tells
- ld [%l0 + 0xc], %l0 ! that we want 'sun4x' where
- call %l0 ! x is one of '', 'c', 'm',
- nop ! 'd' or 'e'. %o2 holds pointer
- ! to a buf where above string
- ! will get stored by the prom.
-
- subcc %o0, %g0, %g0
- bpos got_prop ! Got the property
- nop
-
- or %g6, %g0, %o0
- sethi %hi(cputypvar_sun4m), %o1
- or %o1, %lo(cputypvar_sun4m), %o1
- sethi %hi(cputypval), %o2
- or %o2, %lo(cputypval), %o2
- ld [%l1], %l0
- ld [%l0 + 0xc], %l0
- call %l0
- nop
-
-got_prop:
- set cputypval, %o2
- ldub [%o2 + 0x4], %l1
-
- cmp %l1, ' '
- be 1f
- cmp %l1, 'c'
- be 1f
- cmp %l1, 'm'
- be 1f
- cmp %l1, 's'
- be 1f
- cmp %l1, 'd'
- be 1f
- cmp %l1, 'e'
- be no_sun4e_here ! Could be a sun4e.
- nop
- b no_sun4u_here ! AIEEE, a V9 sun4u... Get our BIG BROTHER kernel :))
- nop
-
-1: set cputypval, %l1
- ldub [%l1 + 0x4], %l1
- cmp %l1, 'm' ! Test for sun4d, sun4e ?
- be sun4m_init
- cmp %l1, 's' ! Treat sun4s as sun4m
- be sun4m_init
- cmp %l1, 'd' ! Let us see how the beast will die
- be sun4d_init
- nop
-
- /* Jump into mmu context zero. */
- set AC_CONTEXT, %g1
- stba %g0, [%g1] ASI_CONTROL
-
- b sun4c_continue_boot
- nop
-
-/* CPUID in bootbus can be found at PA 0xff0140000 */
-#define SUN4D_BOOTBUS_CPUID 0xf0140000
-
-sun4d_init:
- /* Need to patch call to handler_irq */
- set patch_handler_irq, %g4
- set sun4d_handler_irq, %g5
- sethi %hi(0x40000000), %g3 ! call
- sub %g5, %g4, %g5
- srl %g5, 2, %g5
- or %g5, %g3, %g5
- st %g5, [%g4]
-
-#ifdef CONFIG_SMP
- /* Get our CPU id out of bootbus */
- set SUN4D_BOOTBUS_CPUID, %g3
- lduba [%g3] ASI_M_CTL, %g3
- and %g3, 0xf8, %g3
- srl %g3, 3, %g4
- sta %g4, [%g0] ASI_M_VIKING_TMP1
- sethi %hi(boot_cpu_id), %g5
- stb %g4, [%g5 + %lo(boot_cpu_id)]
- sll %g4, 2, %g4
- sethi %hi(boot_cpu_id4), %g5
- stb %g4, [%g5 + %lo(boot_cpu_id4)]
-#endif
-
- /* Fall through to sun4m_init */
-
-sun4m_init:
- /* XXX Fucking Cypress... */
- lda [%g0] ASI_M_MMUREGS, %g5
- srl %g5, 28, %g4
-
- cmp %g4, 1
- bne 1f
- srl %g5, 24, %g4
-
- and %g4, 0xf, %g4
- cmp %g4, 7 /* This would be a HyperSparc. */
-
- bne 2f
- nop
-
-1:
-
-#define PATCH_IT(dst, src) \
- set (dst), %g5; \
- set (src), %g4; \
- ld [%g4], %g3; \
- st %g3, [%g5]; \
- ld [%g4+0x4], %g3; \
- st %g3, [%g5+0x4];
-
- /* Signed multiply. */
- PATCH_IT(.mul, .mul_patch)
- PATCH_IT(.mul+0x08, .mul_patch+0x08)
-
- /* Signed remainder. */
- PATCH_IT(.rem, .rem_patch)
- PATCH_IT(.rem+0x08, .rem_patch+0x08)
- PATCH_IT(.rem+0x10, .rem_patch+0x10)
- PATCH_IT(.rem+0x18, .rem_patch+0x18)
- PATCH_IT(.rem+0x20, .rem_patch+0x20)
- PATCH_IT(.rem+0x28, .rem_patch+0x28)
-
- /* Signed division. */
- PATCH_IT(.div, .div_patch)
- PATCH_IT(.div+0x08, .div_patch+0x08)
- PATCH_IT(.div+0x10, .div_patch+0x10)
- PATCH_IT(.div+0x18, .div_patch+0x18)
- PATCH_IT(.div+0x20, .div_patch+0x20)
-
- /* Unsigned multiply. */
- PATCH_IT(.umul, .umul_patch)
- PATCH_IT(.umul+0x08, .umul_patch+0x08)
-
- /* Unsigned remainder. */
- PATCH_IT(.urem, .urem_patch)
- PATCH_IT(.urem+0x08, .urem_patch+0x08)
- PATCH_IT(.urem+0x10, .urem_patch+0x10)
- PATCH_IT(.urem+0x18, .urem_patch+0x18)
-
- /* Unsigned division. */
- PATCH_IT(.udiv, .udiv_patch)
- PATCH_IT(.udiv+0x08, .udiv_patch+0x08)
- PATCH_IT(.udiv+0x10, .udiv_patch+0x10)
-
-#undef PATCH_IT
-
-/* Ok, the PROM could have done funny things and apple cider could still
- * be sitting in the fault status/address registers. Read them all to
- * clear them so we don't get magic faults later on.
- */
-/* This sucks, apparently this makes Vikings call prom panic, will fix later */
-2:
- rd %psr, %o1
- srl %o1, 28, %o1 ! Get a type of the CPU
-
- subcc %o1, 4, %g0 ! TI: Viking or MicroSPARC
- be sun4c_continue_boot
- nop
-
- set AC_M_SFSR, %o0
- lda [%o0] ASI_M_MMUREGS, %g0
- set AC_M_SFAR, %o0
- lda [%o0] ASI_M_MMUREGS, %g0
-
- /* Fujitsu MicroSPARC-II has no asynchronous flavors of FARs */
- subcc %o1, 0, %g0
- be sun4c_continue_boot
- nop
-
- set AC_M_AFSR, %o0
- lda [%o0] ASI_M_MMUREGS, %g0
- set AC_M_AFAR, %o0
- lda [%o0] ASI_M_MMUREGS, %g0
- nop
-
-
-sun4c_continue_boot:
-
-
-/* Aieee, now set PC and nPC, enable traps, give ourselves a stack and it's
- * show-time!
- */
-
- sethi %hi(cputyp), %o0
- st %g4, [%o0 + %lo(cputyp)]
-
- /* Turn on Supervisor, EnableFloating, and all the PIL bits.
- * Also puts us in register window zero with traps off.
- */
- set (PSR_PS | PSR_S | PSR_PIL | PSR_EF), %g2
- wr %g2, 0x0, %psr
- WRITE_PAUSE
-
- /* I want a kernel stack NOW! */
- set init_thread_union, %g1
- set (THREAD_SIZE - STACKFRAME_SZ), %g2
- add %g1, %g2, %sp
- mov 0, %fp /* And for good luck */
-
- /* Zero out our BSS section. */
- set __bss_start , %o0 ! First address of BSS
- set end , %o1 ! Last address of BSS
- add %o0, 0x1, %o0
-1:
- stb %g0, [%o0]
- subcc %o0, %o1, %g0
- bl 1b
- add %o0, 0x1, %o0
-
- /* Initialize the uwinmask value for init task just in case.
- * But first make current_set[boot_cpu_id] point to something useful.
- */
- set init_thread_union, %g6
- set current_set, %g2
-#ifdef CONFIG_SMP
- sethi %hi(boot_cpu_id4), %g3
- ldub [%g3 + %lo(boot_cpu_id4)], %g3
- st %g6, [%g2]
- add %g2, %g3, %g2
-#endif
- st %g6, [%g2]
-
- st %g0, [%g6 + TI_UWINMASK]
-
-/* Compute NWINDOWS and stash it away. Now uses %wim trick explained
- * in the V8 manual. Ok, this method seems to work, Sparc is cool...
- * No, it doesn't work, have to play the save/readCWP/restore trick.
- */
-
- wr %g0, 0x0, %wim ! so we do not get a trap
- WRITE_PAUSE
-
- save
-
- rd %psr, %g3
-
- restore
-
- and %g3, 0x1f, %g3
- add %g3, 0x1, %g3
-
- mov 2, %g1
- wr %g1, 0x0, %wim ! make window 1 invalid
- WRITE_PAUSE
-
- cmp %g3, 0x7
- bne 2f
- nop
-
- /* Adjust our window handling routines to
- * do things correctly on 7 window Sparcs.
- */
-
-#define PATCH_INSN(src, dest) \
- set src, %g5; \
- set dest, %g2; \
- ld [%g5], %g4; \
- st %g4, [%g2];
-
- /* Patch for window spills... */
- PATCH_INSN(spnwin_patch1_7win, spnwin_patch1)
- PATCH_INSN(spnwin_patch2_7win, spnwin_patch2)
- PATCH_INSN(spnwin_patch3_7win, spnwin_patch3)
-
- /* Patch for window fills... */
- PATCH_INSN(fnwin_patch1_7win, fnwin_patch1)
- PATCH_INSN(fnwin_patch2_7win, fnwin_patch2)
-
- /* Patch for trap entry setup... */
- PATCH_INSN(tsetup_7win_patch1, tsetup_patch1)
- PATCH_INSN(tsetup_7win_patch2, tsetup_patch2)
- PATCH_INSN(tsetup_7win_patch3, tsetup_patch3)
- PATCH_INSN(tsetup_7win_patch4, tsetup_patch4)
- PATCH_INSN(tsetup_7win_patch5, tsetup_patch5)
- PATCH_INSN(tsetup_7win_patch6, tsetup_patch6)
-
- /* Patch for returning from traps... */
- PATCH_INSN(rtrap_7win_patch1, rtrap_patch1)
- PATCH_INSN(rtrap_7win_patch2, rtrap_patch2)
- PATCH_INSN(rtrap_7win_patch3, rtrap_patch3)
- PATCH_INSN(rtrap_7win_patch4, rtrap_patch4)
- PATCH_INSN(rtrap_7win_patch5, rtrap_patch5)
-
- /* Patch for killing user windows from the register file. */
- PATCH_INSN(kuw_patch1_7win, kuw_patch1)
-
- /* Now patch the kernel window flush sequences.
- * This saves 2 traps on every switch and fork.
- */
- set 0x01000000, %g4
- set flush_patch_one, %g5
- st %g4, [%g5 + 0x18]
- st %g4, [%g5 + 0x1c]
- set flush_patch_two, %g5
- st %g4, [%g5 + 0x18]
- st %g4, [%g5 + 0x1c]
- set flush_patch_three, %g5
- st %g4, [%g5 + 0x18]
- st %g4, [%g5 + 0x1c]
- set flush_patch_four, %g5
- st %g4, [%g5 + 0x18]
- st %g4, [%g5 + 0x1c]
- set flush_patch_exception, %g5
- st %g4, [%g5 + 0x18]
- st %g4, [%g5 + 0x1c]
- set flush_patch_switch, %g5
- st %g4, [%g5 + 0x18]
- st %g4, [%g5 + 0x1c]
-
-2:
- sethi %hi(nwindows), %g4
- st %g3, [%g4 + %lo(nwindows)] ! store final value
- sub %g3, 0x1, %g3
- sethi %hi(nwindowsm1), %g4
- st %g3, [%g4 + %lo(nwindowsm1)]
-
- /* Here we go, start using Linux's trap table... */
- set trapbase, %g3
- wr %g3, 0x0, %tbr
- WRITE_PAUSE
-
- /* Finally, turn on traps so that we can call c-code. */
- rd %psr, %g3
- wr %g3, 0x0, %psr
- WRITE_PAUSE
-
- wr %g3, PSR_ET, %psr
- WRITE_PAUSE
-
- /* First we call prom_init() to set up PROMLIB, then
- * off to start_kernel().
- */
-
- sethi %hi(prom_vector_p), %g5
- ld [%g5 + %lo(prom_vector_p)], %o0
- call prom_init
- nop
-
- call start_kernel
- nop
-
- /* We should not get here. */
- call halt_me
- nop
-
-sun4_init:
- sethi %hi(SUN4_PROM_VECTOR+0x84), %o1
- ld [%o1 + %lo(SUN4_PROM_VECTOR+0x84)], %o1
- set sun4_notsup, %o0
- call %o1 /* printf */
- nop
- sethi %hi(SUN4_PROM_VECTOR+0xc4), %o1
- ld [%o1 + %lo(SUN4_PROM_VECTOR+0xc4)], %o1
- call %o1 /* exittomon */
- nop
-1: ba 1b ! Cannot exit into KMON
- nop
-
-no_sun4e_here:
- ld [%g7 + 0x68], %o1
- set sun4e_notsup, %o0
- call %o1
- nop
- b halt_me
- nop
-
- __INITDATA
-
-sun4u_1:
- .asciz "finddevice"
- .align 4
-sun4u_2:
- .asciz "/chosen"
- .align 4
-sun4u_3:
- .asciz "getprop"
- .align 4
-sun4u_4:
- .asciz "stdout"
- .align 4
-sun4u_5:
- .asciz "write"
- .align 4
-sun4u_6:
- .asciz "\n\rOn sun4u you have to use UltraLinux (64bit) kernel\n\rand not a 32bit sun4[cdem] version\n\r\n\r"
-sun4u_6e:
- .align 4
-sun4u_7:
- .asciz "exit"
- .align 8
-sun4u_a1:
- .word 0, sun4u_1, 0, 1, 0, 1, 0, sun4u_2, 0
-sun4u_r1:
- .word 0
-sun4u_a2:
- .word 0, sun4u_3, 0, 4, 0, 1, 0
-sun4u_i2:
- .word 0, 0, sun4u_4, 0, sun4u_1, 0, 8, 0
-sun4u_r2:
- .word 0
-sun4u_a3:
- .word 0, sun4u_5, 0, 3, 0, 1, 0
-sun4u_i3:
- .word 0, 0, sun4u_6, 0, sun4u_6e - sun4u_6 - 1, 0
-sun4u_r3:
- .word 0
-sun4u_a4:
- .word 0, sun4u_7, 0, 0, 0, 0
-sun4u_r4:
-
- __INIT
-no_sun4u_here:
- set sun4u_a1, %o0
- set current_pc, %l2
- cmp %l2, %g3
- be 1f
- mov %o4, %l0
- sub %g3, %l2, %l6
- add %o0, %l6, %o0
- mov %o0, %l4
- mov sun4u_r4 - sun4u_a1, %l3
- ld [%l4], %l5
-2:
- add %l4, 4, %l4
- cmp %l5, %l2
- add %l5, %l6, %l5
- bgeu,a 3f
- st %l5, [%l4 - 4]
-3:
- subcc %l3, 4, %l3
- bne 2b
- ld [%l4], %l5
-1:
- call %l0
- mov %o0, %l1
-
- ld [%l1 + (sun4u_r1 - sun4u_a1)], %o1
- add %l1, (sun4u_a2 - sun4u_a1), %o0
- call %l0
- st %o1, [%o0 + (sun4u_i2 - sun4u_a2)]
-
- ld [%l1 + (sun4u_1 - sun4u_a1)], %o1
- add %l1, (sun4u_a3 - sun4u_a1), %o0
- call %l0
- st %o1, [%o0 + (sun4u_i3 - sun4u_a3)]
-
- call %l0
- add %l1, (sun4u_a4 - sun4u_a1), %o0
-
- /* Not reached */
-halt_me:
- ld [%g7 + 0x74], %o0
- call %o0 ! Get us out of here...
- nop ! Apparently Solaris is better.
-
-/* Ok, now we continue in the .data/.text sections */
-
- .data
- .align 4
-
-/*
- * Fill up the prom vector, note in particular the kind first element,
- * no joke. I don't need all of them in here as the entire prom vector
- * gets initialized in c-code so all routines can use it.
- */
-
-prom_vector_p:
- .word 0
-
-/* We calculate the following at boot time, window fills/spills and trap entry
- * code uses these to keep track of the register windows.
- */
-
- .align 4
- .globl nwindows
- .globl nwindowsm1
-nwindows:
- .word 8
-nwindowsm1:
- .word 7
-
-/* Boot time debugger vector value. We need this later on. */
-
- .align 4
- .globl linux_dbvec
-linux_dbvec:
- .word 0
- .word 0
-
- .align 8
-
- .globl lvl14_save
-lvl14_save:
- .word 0
- .word 0
- .word 0
- .word 0
- .word t_irq14
-
- .section ".fixup",#alloc,#execinstr
- .globl __ret_efault
-__ret_efault:
- ret
- restore %g0, -EFAULT, %o0