diff options
Diffstat (limited to 'arch/m68k/kernel')
-rw-r--r-- | arch/m68k/kernel/irq.c | 10 | ||||
-rw-r--r-- | arch/m68k/kernel/module.c | 130 | ||||
-rw-r--r-- | arch/m68k/kernel/module_mm.c | 128 | ||||
-rw-r--r-- | arch/m68k/kernel/module_no.c | 92 | ||||
-rw-r--r-- | arch/m68k/kernel/process_mm.c | 2 | ||||
-rw-r--r-- | arch/m68k/kernel/process_no.c | 2 | ||||
-rw-r--r-- | arch/m68k/kernel/traps_no.c | 4 |
7 files changed, 139 insertions, 229 deletions
diff --git a/arch/m68k/kernel/irq.c b/arch/m68k/kernel/irq.c index 544b8717d49..c73988cfa90 100644 --- a/arch/m68k/kernel/irq.c +++ b/arch/m68k/kernel/irq.c @@ -28,3 +28,13 @@ asmlinkage void do_IRQ(int irq, struct pt_regs *regs) set_irq_regs(oldregs); } + + +/* The number of spurious interrupts */ +atomic_t irq_err_count; + +int arch_show_interrupts(struct seq_file *p, int prec) +{ + seq_printf(p, "%*s: %10u\n", prec, "ERR", atomic_read(&irq_err_count)); + return 0; +} diff --git a/arch/m68k/kernel/module.c b/arch/m68k/kernel/module.c index 7ea203ce6b1..34849c4c6e3 100644 --- a/arch/m68k/kernel/module.c +++ b/arch/m68k/kernel/module.c @@ -1,5 +1,129 @@ -#ifdef CONFIG_MMU -#include "module_mm.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. + */ + +#include <linux/moduleloader.h> +#include <linux/elf.h> +#include <linux/vmalloc.h> +#include <linux/fs.h> +#include <linux/string.h> +#include <linux/kernel.h> + +#if 0 +#define DEBUGP printk #else -#include "module_no.c" +#define DEBUGP(fmt...) +#endif + +#ifdef CONFIG_MODULES + +int apply_relocate(Elf32_Shdr *sechdrs, + const char *strtab, + unsigned int symindex, + unsigned int relsec, + struct module *me) +{ + unsigned int i; + Elf32_Rel *rel = (void *)sechdrs[relsec].sh_addr; + Elf32_Sym *sym; + uint32_t *location; + + DEBUGP("Applying relocate section %u to %u\n", relsec, + sechdrs[relsec].sh_info); + for (i = 0; i < sechdrs[relsec].sh_size / sizeof(*rel); i++) { + /* This is where to make the change */ + location = (void *)sechdrs[sechdrs[relsec].sh_info].sh_addr + + rel[i].r_offset; + /* This is the symbol it is referring to. Note that all + undefined symbols have been resolved. */ + sym = (Elf32_Sym *)sechdrs[symindex].sh_addr + + ELF32_R_SYM(rel[i].r_info); + + switch (ELF32_R_TYPE(rel[i].r_info)) { + case R_68K_32: + /* We add the value into the location given */ + *location += sym->st_value; + break; + case R_68K_PC32: + /* Add the value, subtract its postition */ + *location += sym->st_value - (uint32_t)location; + break; + default: + printk(KERN_ERR "module %s: Unknown relocation: %u\n", + me->name, ELF32_R_TYPE(rel[i].r_info)); + return -ENOEXEC; + } + } + return 0; +} + +int apply_relocate_add(Elf32_Shdr *sechdrs, + const char *strtab, + unsigned int symindex, + unsigned int relsec, + struct module *me) +{ + unsigned int i; + Elf32_Rela *rel = (void *)sechdrs[relsec].sh_addr; + Elf32_Sym *sym; + uint32_t *location; + + DEBUGP("Applying relocate_add section %u to %u\n", relsec, + sechdrs[relsec].sh_info); + for (i = 0; i < sechdrs[relsec].sh_size / sizeof(*rel); i++) { + /* This is where to make the change */ + location = (void *)sechdrs[sechdrs[relsec].sh_info].sh_addr + + rel[i].r_offset; + /* This is the symbol it is referring to. Note that all + undefined symbols have been resolved. */ + sym = (Elf32_Sym *)sechdrs[symindex].sh_addr + + ELF32_R_SYM(rel[i].r_info); + + switch (ELF32_R_TYPE(rel[i].r_info)) { + case R_68K_32: + /* We add the value into the location given */ + *location = rel[i].r_addend + sym->st_value; + break; + case R_68K_PC32: + /* Add the value, subtract its postition */ + *location = rel[i].r_addend + sym->st_value - (uint32_t)location; + break; + default: + printk(KERN_ERR "module %s: Unknown relocation: %u\n", + me->name, ELF32_R_TYPE(rel[i].r_info)); + return -ENOEXEC; + } + } + return 0; +} + +int module_finalize(const Elf_Ehdr *hdr, + const Elf_Shdr *sechdrs, + struct module *mod) +{ + module_fixup(mod, mod->arch.fixup_start, mod->arch.fixup_end); + return 0; +} + +#endif /* CONFIG_MODULES */ + +void module_fixup(struct module *mod, struct m68k_fixup_info *start, + struct m68k_fixup_info *end) +{ +#ifdef CONFIG_MMU + struct m68k_fixup_info *fixup; + + for (fixup = start; fixup < end; fixup++) { + switch (fixup->type) { + case m68k_fixup_memoffset: + *(u32 *)fixup->addr = m68k_memoffset; + break; + case m68k_fixup_vnode_shift: + *(u16 *)fixup->addr += m68k_virt_to_node_shift; + break; + } + } #endif +} diff --git a/arch/m68k/kernel/module_mm.c b/arch/m68k/kernel/module_mm.c deleted file mode 100644 index ceafc47c96d..00000000000 --- a/arch/m68k/kernel/module_mm.c +++ /dev/null @@ -1,128 +0,0 @@ -/* - * 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. - */ - -#include <linux/moduleloader.h> -#include <linux/elf.h> -#include <linux/vmalloc.h> -#include <linux/fs.h> -#include <linux/string.h> -#include <linux/kernel.h> - -#if 0 -#define DEBUGP printk -#else -#define DEBUGP(fmt...) -#endif - -#ifdef CONFIG_MODULES - -int apply_relocate(Elf32_Shdr *sechdrs, - const char *strtab, - unsigned int symindex, - unsigned int relsec, - struct module *me) -{ - unsigned int i; - Elf32_Rel *rel = (void *)sechdrs[relsec].sh_addr; - Elf32_Sym *sym; - uint32_t *location; - - DEBUGP("Applying relocate section %u to %u\n", relsec, - sechdrs[relsec].sh_info); - for (i = 0; i < sechdrs[relsec].sh_size / sizeof(*rel); i++) { - /* This is where to make the change */ - location = (void *)sechdrs[sechdrs[relsec].sh_info].sh_addr - + rel[i].r_offset; - /* This is the symbol it is referring to. Note that all - undefined symbols have been resolved. */ - sym = (Elf32_Sym *)sechdrs[symindex].sh_addr - + ELF32_R_SYM(rel[i].r_info); - - switch (ELF32_R_TYPE(rel[i].r_info)) { - case R_68K_32: - /* We add the value into the location given */ - *location += sym->st_value; - break; - case R_68K_PC32: - /* Add the value, subtract its postition */ - *location += sym->st_value - (uint32_t)location; - break; - default: - printk(KERN_ERR "module %s: Unknown relocation: %u\n", - me->name, ELF32_R_TYPE(rel[i].r_info)); - return -ENOEXEC; - } - } - return 0; -} - -int apply_relocate_add(Elf32_Shdr *sechdrs, - const char *strtab, - unsigned int symindex, - unsigned int relsec, - struct module *me) -{ - unsigned int i; - Elf32_Rela *rel = (void *)sechdrs[relsec].sh_addr; - Elf32_Sym *sym; - uint32_t *location; - - DEBUGP("Applying relocate_add section %u to %u\n", relsec, - sechdrs[relsec].sh_info); - for (i = 0; i < sechdrs[relsec].sh_size / sizeof(*rel); i++) { - /* This is where to make the change */ - location = (void *)sechdrs[sechdrs[relsec].sh_info].sh_addr - + rel[i].r_offset; - /* This is the symbol it is referring to. Note that all - undefined symbols have been resolved. */ - sym = (Elf32_Sym *)sechdrs[symindex].sh_addr - + ELF32_R_SYM(rel[i].r_info); - - switch (ELF32_R_TYPE(rel[i].r_info)) { - case R_68K_32: - /* We add the value into the location given */ - *location = rel[i].r_addend + sym->st_value; - break; - case R_68K_PC32: - /* Add the value, subtract its postition */ - *location = rel[i].r_addend + sym->st_value - (uint32_t)location; - break; - default: - printk(KERN_ERR "module %s: Unknown relocation: %u\n", - me->name, ELF32_R_TYPE(rel[i].r_info)); - return -ENOEXEC; - } - } - return 0; -} - -int module_finalize(const Elf_Ehdr *hdr, - const Elf_Shdr *sechdrs, - struct module *mod) -{ - module_fixup(mod, mod->arch.fixup_start, mod->arch.fixup_end); - - return 0; -} - -#endif /* CONFIG_MODULES */ - -void module_fixup(struct module *mod, struct m68k_fixup_info *start, - struct m68k_fixup_info *end) -{ - struct m68k_fixup_info *fixup; - - for (fixup = start; fixup < end; fixup++) { - switch (fixup->type) { - case m68k_fixup_memoffset: - *(u32 *)fixup->addr = m68k_memoffset; - break; - case m68k_fixup_vnode_shift: - *(u16 *)fixup->addr += m68k_virt_to_node_shift; - break; - } - } -} diff --git a/arch/m68k/kernel/module_no.c b/arch/m68k/kernel/module_no.c deleted file mode 100644 index 5a097c6063f..00000000000 --- a/arch/m68k/kernel/module_no.c +++ /dev/null @@ -1,92 +0,0 @@ -#include <linux/moduleloader.h> -#include <linux/elf.h> -#include <linux/vmalloc.h> -#include <linux/fs.h> -#include <linux/string.h> -#include <linux/kernel.h> - -#if 0 -#define DEBUGP printk -#else -#define DEBUGP(fmt...) -#endif - -int apply_relocate(Elf32_Shdr *sechdrs, - const char *strtab, - unsigned int symindex, - unsigned int relsec, - struct module *me) -{ - unsigned int i; - Elf32_Rel *rel = (void *)sechdrs[relsec].sh_addr; - Elf32_Sym *sym; - uint32_t *location; - - DEBUGP("Applying relocate section %u to %u\n", relsec, - sechdrs[relsec].sh_info); - for (i = 0; i < sechdrs[relsec].sh_size / sizeof(*rel); i++) { - /* This is where to make the change */ - location = (void *)sechdrs[sechdrs[relsec].sh_info].sh_addr - + rel[i].r_offset; - /* This is the symbol it is referring to. Note that all - undefined symbols have been resolved. */ - sym = (Elf32_Sym *)sechdrs[symindex].sh_addr - + ELF32_R_SYM(rel[i].r_info); - - switch (ELF32_R_TYPE(rel[i].r_info)) { - case R_68K_32: - /* We add the value into the location given */ - *location += sym->st_value; - break; - case R_68K_PC32: - /* Add the value, subtract its postition */ - *location += sym->st_value - (uint32_t)location; - break; - default: - printk(KERN_ERR "module %s: Unknown relocation: %u\n", - me->name, ELF32_R_TYPE(rel[i].r_info)); - return -ENOEXEC; - } - } - return 0; -} - -int apply_relocate_add(Elf32_Shdr *sechdrs, - const char *strtab, - unsigned int symindex, - unsigned int relsec, - struct module *me) -{ - unsigned int i; - Elf32_Rela *rel = (void *)sechdrs[relsec].sh_addr; - Elf32_Sym *sym; - uint32_t *location; - - DEBUGP("Applying relocate_add section %u to %u\n", relsec, - sechdrs[relsec].sh_info); - for (i = 0; i < sechdrs[relsec].sh_size / sizeof(*rel); i++) { - /* This is where to make the change */ - location = (void *)sechdrs[sechdrs[relsec].sh_info].sh_addr - + rel[i].r_offset; - /* This is the symbol it is referring to. Note that all - undefined symbols have been resolved. */ - sym = (Elf32_Sym *)sechdrs[symindex].sh_addr - + ELF32_R_SYM(rel[i].r_info); - - switch (ELF32_R_TYPE(rel[i].r_info)) { - case R_68K_32: - /* We add the value into the location given */ - *location = rel[i].r_addend + sym->st_value; - break; - case R_68K_PC32: - /* Add the value, subtract its postition */ - *location = rel[i].r_addend + sym->st_value - (uint32_t)location; - break; - default: - printk(KERN_ERR "module %s: Unknown relocation: %u\n", - me->name, ELF32_R_TYPE(rel[i].r_info)); - return -ENOEXEC; - } - } - return 0; -} diff --git a/arch/m68k/kernel/process_mm.c b/arch/m68k/kernel/process_mm.c index c2a1fc23dd7..1bc223aa07e 100644 --- a/arch/m68k/kernel/process_mm.c +++ b/arch/m68k/kernel/process_mm.c @@ -185,7 +185,7 @@ EXPORT_SYMBOL(kernel_thread); void flush_thread(void) { unsigned long zero = 0; - set_fs(USER_DS); + current->thread.fs = __USER_DS; if (!FPU_IS_EMU) asm volatile (".chip 68k/68881\n\t" diff --git a/arch/m68k/kernel/process_no.c b/arch/m68k/kernel/process_no.c index 9b86ad11c68..69c1803fcf1 100644 --- a/arch/m68k/kernel/process_no.c +++ b/arch/m68k/kernel/process_no.c @@ -158,7 +158,7 @@ void flush_thread(void) #ifdef CONFIG_FPU unsigned long zero = 0; #endif - set_fs(USER_DS); + current->thread.fs = __USER_DS; #ifdef CONFIG_FPU if (!FPU_IS_EMU) diff --git a/arch/m68k/kernel/traps_no.c b/arch/m68k/kernel/traps_no.c index a768008dfd0..e67b8c80695 100644 --- a/arch/m68k/kernel/traps_no.c +++ b/arch/m68k/kernel/traps_no.c @@ -60,10 +60,6 @@ static char const * const vec_names[] = { "MMU CONFIGURATION ERROR" }; -void __init trap_init(void) -{ -} - void die_if_kernel(char *str, struct pt_regs *fp, int nr) { if (!(fp->sr & PS_S)) |