diff options
Diffstat (limited to 'arch/h8300/kernel')
-rw-r--r-- | arch/h8300/kernel/Makefile | 3 | ||||
-rw-r--r-- | arch/h8300/kernel/ints.c | 256 | ||||
-rw-r--r-- | arch/h8300/kernel/process.c | 1 | ||||
-rw-r--r-- | arch/h8300/kernel/ptrace.c | 7 | ||||
-rw-r--r-- | arch/h8300/kernel/signal.c | 6 | ||||
-rw-r--r-- | arch/h8300/kernel/sys_h8300.c | 1 |
6 files changed, 12 insertions, 262 deletions
diff --git a/arch/h8300/kernel/Makefile b/arch/h8300/kernel/Makefile index ccc1a7fbf94b..874f6aefee65 100644 --- a/arch/h8300/kernel/Makefile +++ b/arch/h8300/kernel/Makefile @@ -6,6 +6,7 @@ extra-y := vmlinux.lds obj-y := process.o traps.o ptrace.o irq.o \ sys_h8300.o time.o semaphore.o signal.o \ - setup.o gpio.o init_task.o syscalls.o + setup.o gpio.o init_task.o syscalls.o \ + entry.o obj-$(CONFIG_MODULES) += module.o h8300_ksyms.o diff --git a/arch/h8300/kernel/ints.c b/arch/h8300/kernel/ints.c deleted file mode 100644 index 3e4f479271c9..000000000000 --- a/arch/h8300/kernel/ints.c +++ /dev/null @@ -1,256 +0,0 @@ -/* - * linux/arch/h8300/kernel/ints.c - * - * Yoshinori Sato <ysato@users.sourceforge.jp> - * - * Based on linux/arch/$(ARCH)/platform/$(PLATFORM)/ints.c - * - * This file is subject to the terms and conditions of the GNU General Public - * License. See the file COPYING in the main directory of this archive - * for more details. - * - * Copyright 1996 Roman Zippel - * Copyright 1999 D. Jeff Dionne <jeff@rt-control.com> - */ - -#include <linux/module.h> -#include <linux/types.h> -#include <linux/kernel.h> -#include <linux/sched.h> -#include <linux/kernel_stat.h> -#include <linux/seq_file.h> -#include <linux/interrupt.h> -#include <linux/init.h> -#include <linux/random.h> -#include <linux/bootmem.h> -#include <linux/hardirq.h> - -#include <asm/system.h> -#include <asm/irq.h> -#include <asm/traps.h> -#include <asm/io.h> -#include <asm/setup.h> -#include <asm/errno.h> - -/* - * This structure has only 4 elements for speed reasons - */ -typedef struct irq_handler { - irqreturn_t (*handler)(int, void *, struct pt_regs *); - int flags; - int count; - void *dev_id; - const char *devname; -} irq_handler_t; - -static irq_handler_t *irq_list[NR_IRQS]; -static int use_kmalloc; - -extern unsigned long *interrupt_redirect_table; -extern const int h8300_saved_vectors[]; -extern const unsigned long h8300_trap_table[]; -int h8300_enable_irq_pin(unsigned int irq); -void h8300_disable_irq_pin(unsigned int irq); - -#define CPU_VECTOR ((unsigned long *)0x000000) -#define ADDR_MASK (0xffffff) - -#if defined(CONFIG_RAMKERNEL) -static unsigned long __init *get_vector_address(void) -{ - unsigned long *rom_vector = CPU_VECTOR; - unsigned long base,tmp; - int vec_no; - - base = rom_vector[EXT_IRQ0] & ADDR_MASK; - - /* check romvector format */ - for (vec_no = EXT_IRQ1; vec_no <= EXT_IRQ0+EXT_IRQS; vec_no++) { - if ((base+(vec_no - EXT_IRQ0)*4) != (rom_vector[vec_no] & ADDR_MASK)) - return NULL; - } - - /* ramvector base address */ - base -= EXT_IRQ0*4; - - /* writerble check */ - tmp = ~(*(volatile unsigned long *)base); - (*(volatile unsigned long *)base) = tmp; - if ((*(volatile unsigned long *)base) != tmp) - return NULL; - return (unsigned long *)base; -} -#endif - -void __init init_IRQ(void) -{ -#if defined(CONFIG_RAMKERNEL) - int i; - unsigned long *ramvec,*ramvec_p; - const unsigned long *trap_entry; - const int *saved_vector; - - ramvec = get_vector_address(); - if (ramvec == NULL) - panic("interrupt vector serup failed."); - else - printk(KERN_INFO "virtual vector at 0x%08lx\n",(unsigned long)ramvec); - - /* create redirect table */ - ramvec_p = ramvec; - trap_entry = h8300_trap_table; - saved_vector = h8300_saved_vectors; - for ( i = 0; i < NR_IRQS; i++) { - if (i == *saved_vector) { - ramvec_p++; - saved_vector++; - } else { - if ( i < NR_TRAPS ) { - if (*trap_entry) - *ramvec_p = VECTOR(*trap_entry); - ramvec_p++; - trap_entry++; - } else - *ramvec_p++ = REDIRECT(interrupt_entry); - } - } - interrupt_redirect_table = ramvec; -#ifdef DUMP_VECTOR - ramvec_p = ramvec; - for (i = 0; i < NR_IRQS; i++) { - if ((i % 8) == 0) - printk(KERN_DEBUG "\n%p: ",ramvec_p); - printk(KERN_DEBUG "%p ",*ramvec_p); - ramvec_p++; - } - printk(KERN_DEBUG "\n"); -#endif -#endif -} - -int request_irq(unsigned int irq, - irqreturn_t (*handler)(int, void *, struct pt_regs *), - unsigned long flags, const char *devname, void *dev_id) -{ - irq_handler_t *irq_handle; - if (irq < 0 || irq >= NR_IRQS) { - printk(KERN_ERR "Incorrect IRQ %d from %s\n", irq, devname); - return -EINVAL; - } - - if (irq_list[irq] || (h8300_enable_irq_pin(irq) == -EBUSY)) - return -EBUSY; - - if (use_kmalloc) - irq_handle = kmalloc(sizeof(irq_handler_t), GFP_ATOMIC); - else { - /* use bootmem allocater */ - irq_handle = (irq_handler_t *)alloc_bootmem(sizeof(irq_handler_t)); - irq_handle = (irq_handler_t *)((unsigned long)irq_handle | 0x80000000); - } - - if (irq_handle == NULL) - return -ENOMEM; - - irq_handle->handler = handler; - irq_handle->flags = flags; - irq_handle->count = 0; - irq_handle->dev_id = dev_id; - irq_handle->devname = devname; - irq_list[irq] = irq_handle; - - if (irq_handle->flags & IRQF_SAMPLE_RANDOM) - rand_initialize_irq(irq); - - enable_irq(irq); - return 0; -} - -EXPORT_SYMBOL(request_irq); - -void free_irq(unsigned int irq, void *dev_id) -{ - if (irq >= NR_IRQS) - return; - - if (!irq_list[irq] || irq_list[irq]->dev_id != dev_id) - printk(KERN_WARNING "Removing probably wrong IRQ %d from %s\n", - irq, irq_list[irq]->devname); - disable_irq(irq); - h8300_disable_irq_pin(irq); - if (((unsigned long)irq_list[irq] & 0x80000000) == 0) { - kfree(irq_list[irq]); - irq_list[irq] = NULL; - } -} - -EXPORT_SYMBOL(free_irq); - -/* - * Do we need these probe functions on the m68k? - */ -unsigned long probe_irq_on (void) -{ - return 0; -} - -EXPORT_SYMBOL(probe_irq_on); - -int probe_irq_off (unsigned long irqs) -{ - return 0; -} - -EXPORT_SYMBOL(probe_irq_off); - -void enable_irq(unsigned int irq) -{ - if (irq >= EXT_IRQ0 && irq <= (EXT_IRQ0 + EXT_IRQS)) - IER_REGS |= 1 << (irq - EXT_IRQ0); -} - -void disable_irq(unsigned int irq) -{ - if (irq >= EXT_IRQ0 && irq <= (EXT_IRQ0 + EXT_IRQS)) - IER_REGS &= ~(1 << (irq - EXT_IRQ0)); -} - -asmlinkage void process_int(int irq, struct pt_regs *fp) -{ - irq_enter(); - h8300_clear_isr(irq); - if (irq >= NR_TRAPS && irq < NR_IRQS) { - if (irq_list[irq]) { - irq_list[irq]->handler(irq, irq_list[irq]->dev_id, fp); - irq_list[irq]->count++; - if (irq_list[irq]->flags & IRQF_SAMPLE_RANDOM) - add_interrupt_randomness(irq); - } - } else { - BUG(); - } - irq_exit(); -} - -int show_interrupts(struct seq_file *p, void *v) -{ - int i = *(loff_t *) v; - - if ((i < NR_IRQS) && (irq_list[i]!=NULL)) { - seq_printf(p, "%3d: %10u ",i,irq_list[i]->count); - seq_printf(p, "%s\n", irq_list[i]->devname); - } - - return 0; -} - -void init_irq_proc(void) -{ -} - -static int __init enable_kmalloc(void) -{ - use_kmalloc = 1; - return 0; -} -core_initcall(enable_kmalloc); diff --git a/arch/h8300/kernel/process.c b/arch/h8300/kernel/process.c index e061b63a0038..dfbe7ab9ffe2 100644 --- a/arch/h8300/kernel/process.c +++ b/arch/h8300/kernel/process.c @@ -37,6 +37,7 @@ #include <linux/a.out.h> #include <linux/interrupt.h> #include <linux/reboot.h> +#include <linux/fs.h> #include <asm/uaccess.h> #include <asm/system.h> diff --git a/arch/h8300/kernel/ptrace.c b/arch/h8300/kernel/ptrace.c index 8f2411db7eaf..d32bbf02fc48 100644 --- a/arch/h8300/kernel/ptrace.c +++ b/arch/h8300/kernel/ptrace.c @@ -111,10 +111,7 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data) /* when I and D space are separate, this will have to be fixed. */ case PTRACE_POKETEXT: /* write the word at location addr. */ case PTRACE_POKEDATA: - ret = 0; - if (access_process_vm(child, addr, &data, sizeof(data), 1) == sizeof(data)) - break; - ret = -EIO; + ret = generic_ptrace_pokedata(child, addr, data); break; case PTRACE_POKEUSR: /* write the word at location addr in the USER area */ @@ -219,7 +216,7 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data) return ret; } -asmlinkage void syscall_trace(void) +asmlinkage void do_syscall_trace(void) { if (!test_thread_flag(TIF_SYSCALL_TRACE)) return; diff --git a/arch/h8300/kernel/signal.c b/arch/h8300/kernel/signal.c index 02955604d760..62ea12d339b9 100644 --- a/arch/h8300/kernel/signal.c +++ b/arch/h8300/kernel/signal.c @@ -547,3 +547,9 @@ asmlinkage int do_signal(struct pt_regs *regs, sigset_t *oldset) } return 0; } + +asmlinkage void do_notify_resume(struct pt_regs *regs, u32 thread_info_flags) +{ + if (thread_info_flags & (_TIF_SIGPENDING | _TIF_RESTORE_SIGMASK)) + do_signal(regs, NULL); +} diff --git a/arch/h8300/kernel/sys_h8300.c b/arch/h8300/kernel/sys_h8300.c index de7688cfd573..ddc62727dc9f 100644 --- a/arch/h8300/kernel/sys_h8300.c +++ b/arch/h8300/kernel/sys_h8300.c @@ -18,6 +18,7 @@ #include <linux/mman.h> #include <linux/file.h> #include <linux/utsname.h> +#include <linux/fs.h> #include <asm/setup.h> #include <asm/uaccess.h> |