diff options
Diffstat (limited to 'arch/mn10300/kernel/traps.c')
| -rw-r--r-- | arch/mn10300/kernel/traps.c | 485 |
1 files changed, 241 insertions, 244 deletions
diff --git a/arch/mn10300/kernel/traps.c b/arch/mn10300/kernel/traps.c index fcb9a03d46a..a7a987c7954 100644 --- a/arch/mn10300/kernel/traps.c +++ b/arch/mn10300/kernel/traps.c @@ -17,7 +17,6 @@ #include <linux/timer.h> #include <linux/mm.h> #include <linux/smp.h> -#include <linux/smp_lock.h> #include <linux/init.h> #include <linux/delay.h> #include <linux/spinlock.h> @@ -27,90 +26,193 @@ #include <linux/kdebug.h> #include <linux/bug.h> #include <linux/irq.h> +#include <linux/export.h> #include <asm/processor.h> -#include <asm/system.h> -#include <asm/uaccess.h> +#include <linux/uaccess.h> #include <asm/io.h> -#include <asm/atomic.h> +#include <linux/atomic.h> #include <asm/smp.h> #include <asm/pgalloc.h> #include <asm/cacheflush.h> #include <asm/cpu-regs.h> #include <asm/busctl-regs.h> -#include <asm/unit/leds.h> +#include <unit/leds.h> #include <asm/fpu.h> -#include <asm/gdb-stub.h> #include <asm/sections.h> +#include <asm/debugger.h> +#include "internal.h" #if (CONFIG_INTERRUPT_VECTOR_BASE & 0xffffff) #error "INTERRUPT_VECTOR_BASE not aligned to 16MiB boundary!" #endif -struct pt_regs *__frame; /* current frame pointer */ -EXPORT_SYMBOL(__frame); - int kstack_depth_to_print = 24; spinlock_t die_lock = __SPIN_LOCK_UNLOCKED(die_lock); -ATOMIC_NOTIFIER_HEAD(mn10300_die_chain); +struct exception_to_signal_map { + u8 signo; + u32 si_code; +}; + +static const struct exception_to_signal_map exception_to_signal_map[256] = { + /* MMU exceptions */ + [EXCEP_ITLBMISS >> 3] = { 0, 0 }, + [EXCEP_DTLBMISS >> 3] = { 0, 0 }, + [EXCEP_IAERROR >> 3] = { 0, 0 }, + [EXCEP_DAERROR >> 3] = { 0, 0 }, + + /* system exceptions */ + [EXCEP_TRAP >> 3] = { SIGTRAP, TRAP_BRKPT }, + [EXCEP_ISTEP >> 3] = { SIGTRAP, TRAP_TRACE }, /* Monitor */ + [EXCEP_IBREAK >> 3] = { SIGTRAP, TRAP_HWBKPT }, /* Monitor */ + [EXCEP_OBREAK >> 3] = { SIGTRAP, TRAP_HWBKPT }, /* Monitor */ + [EXCEP_PRIVINS >> 3] = { SIGILL, ILL_PRVOPC }, + [EXCEP_UNIMPINS >> 3] = { SIGILL, ILL_ILLOPC }, + [EXCEP_UNIMPEXINS >> 3] = { SIGILL, ILL_ILLOPC }, + [EXCEP_MEMERR >> 3] = { SIGSEGV, SEGV_ACCERR }, + [EXCEP_MISALIGN >> 3] = { SIGBUS, BUS_ADRALN }, + [EXCEP_BUSERROR >> 3] = { SIGBUS, BUS_ADRERR }, + [EXCEP_ILLINSACC >> 3] = { SIGSEGV, SEGV_ACCERR }, + [EXCEP_ILLDATACC >> 3] = { SIGSEGV, SEGV_ACCERR }, + [EXCEP_IOINSACC >> 3] = { SIGSEGV, SEGV_ACCERR }, + [EXCEP_PRIVINSACC >> 3] = { SIGSEGV, SEGV_ACCERR }, /* userspace */ + [EXCEP_PRIVDATACC >> 3] = { SIGSEGV, SEGV_ACCERR }, /* userspace */ + [EXCEP_DATINSACC >> 3] = { SIGSEGV, SEGV_ACCERR }, + [EXCEP_DOUBLE_FAULT >> 3] = { SIGILL, ILL_BADSTK }, + + /* FPU exceptions */ + [EXCEP_FPU_DISABLED >> 3] = { SIGILL, ILL_COPROC }, + [EXCEP_FPU_UNIMPINS >> 3] = { SIGILL, ILL_COPROC }, + [EXCEP_FPU_OPERATION >> 3] = { SIGFPE, FPE_INTDIV }, + + /* interrupts */ + [EXCEP_WDT >> 3] = { SIGALRM, 0 }, + [EXCEP_NMI >> 3] = { SIGQUIT, 0 }, + [EXCEP_IRQ_LEVEL0 >> 3] = { SIGINT, 0 }, + [EXCEP_IRQ_LEVEL1 >> 3] = { 0, 0 }, + [EXCEP_IRQ_LEVEL2 >> 3] = { 0, 0 }, + [EXCEP_IRQ_LEVEL3 >> 3] = { 0, 0 }, + [EXCEP_IRQ_LEVEL4 >> 3] = { 0, 0 }, + [EXCEP_IRQ_LEVEL5 >> 3] = { 0, 0 }, + [EXCEP_IRQ_LEVEL6 >> 3] = { 0, 0 }, + + /* system calls */ + [EXCEP_SYSCALL0 >> 3] = { 0, 0 }, + [EXCEP_SYSCALL1 >> 3] = { SIGILL, ILL_ILLTRP }, + [EXCEP_SYSCALL2 >> 3] = { SIGILL, ILL_ILLTRP }, + [EXCEP_SYSCALL3 >> 3] = { SIGILL, ILL_ILLTRP }, + [EXCEP_SYSCALL4 >> 3] = { SIGILL, ILL_ILLTRP }, + [EXCEP_SYSCALL5 >> 3] = { SIGILL, ILL_ILLTRP }, + [EXCEP_SYSCALL6 >> 3] = { SIGILL, ILL_ILLTRP }, + [EXCEP_SYSCALL7 >> 3] = { SIGILL, ILL_ILLTRP }, + [EXCEP_SYSCALL8 >> 3] = { SIGILL, ILL_ILLTRP }, + [EXCEP_SYSCALL9 >> 3] = { SIGILL, ILL_ILLTRP }, + [EXCEP_SYSCALL10 >> 3] = { SIGILL, ILL_ILLTRP }, + [EXCEP_SYSCALL11 >> 3] = { SIGILL, ILL_ILLTRP }, + [EXCEP_SYSCALL12 >> 3] = { SIGILL, ILL_ILLTRP }, + [EXCEP_SYSCALL13 >> 3] = { SIGILL, ILL_ILLTRP }, + [EXCEP_SYSCALL14 >> 3] = { SIGILL, ILL_ILLTRP }, + [EXCEP_SYSCALL15 >> 3] = { SIGABRT, 0 }, +}; /* - * These constants are for searching for possible module text - * segments. MODULE_RANGE is a guess of how much space is likely - * to be vmalloced. + * Handle kernel exceptions. + * + * See if there's a fixup handler we can force a jump to when an exception + * happens due to something kernel code did */ -#define MODULE_RANGE (8 * 1024 * 1024) - -#define DO_ERROR(signr, prologue, str, name) \ -asmlinkage void name(struct pt_regs *regs, u32 intcode) \ -{ \ - prologue; \ - if (die_if_no_fixup(str, regs, intcode)) \ - return; \ - force_sig(signr, current); \ -} +int die_if_no_fixup(const char *str, struct pt_regs *regs, + enum exception_code code) +{ + u8 opcode; + int signo, si_code; + + if (user_mode(regs)) + return 0; + + peripheral_leds_display_exception(code); + + signo = exception_to_signal_map[code >> 3].signo; + si_code = exception_to_signal_map[code >> 3].si_code; + + switch (code) { + /* see if we can fixup the kernel accessing memory */ + case EXCEP_ITLBMISS: + case EXCEP_DTLBMISS: + case EXCEP_IAERROR: + case EXCEP_DAERROR: + case EXCEP_MEMERR: + case EXCEP_MISALIGN: + case EXCEP_BUSERROR: + case EXCEP_ILLDATACC: + case EXCEP_IOINSACC: + case EXCEP_PRIVINSACC: + case EXCEP_PRIVDATACC: + case EXCEP_DATINSACC: + if (fixup_exception(regs)) + return 1; + break; + + case EXCEP_TRAP: + case EXCEP_UNIMPINS: + if (probe_kernel_read(&opcode, (u8 *)regs->pc, 1) < 0) + break; + if (opcode == 0xff) { + if (notify_die(DIE_BREAKPOINT, str, regs, code, 0, 0)) + return 1; + if (at_debugger_breakpoint(regs)) + regs->pc++; + signo = SIGTRAP; + si_code = TRAP_BRKPT; + } + break; + + case EXCEP_SYSCALL1 ... EXCEP_SYSCALL14: + /* syscall return addr is _after_ the instruction */ + regs->pc -= 2; + break; -#define DO_EINFO(signr, prologue, str, name, sicode) \ -asmlinkage void name(struct pt_regs *regs, u32 intcode) \ -{ \ - siginfo_t info; \ - prologue; \ - if (die_if_no_fixup(str, regs, intcode)) \ - return; \ - info.si_signo = signr; \ - if (signr == SIGILL && sicode == ILL_ILLOPC) { \ - uint8_t opcode; \ - if (get_user(opcode, (uint8_t __user *)regs->pc) == 0) \ - if (opcode == 0xff) \ - info.si_signo = SIGTRAP; \ - } \ - info.si_errno = 0; \ - info.si_code = sicode; \ - info.si_addr = (void *) regs->pc; \ - force_sig_info(info.si_signo, &info, current); \ + case EXCEP_SYSCALL15: + if (report_bug(regs->pc, regs) == BUG_TRAP_TYPE_WARN) + return 1; + + /* syscall return addr is _after_ the instruction */ + regs->pc -= 2; + break; + + default: + break; + } + + if (debugger_intercept(code, signo, si_code, regs) == 0) + return 1; + + if (notify_die(DIE_GPF, str, regs, code, 0, 0)) + return 1; + + /* make the process die as the last resort */ + die(str, regs, code); } -DO_ERROR(SIGTRAP, {}, "trap", trap); -DO_ERROR(SIGSEGV, {}, "ibreak", ibreak); -DO_ERROR(SIGSEGV, {}, "obreak", obreak); -DO_EINFO(SIGSEGV, {}, "access error", access_error, SEGV_ACCERR); -DO_EINFO(SIGSEGV, {}, "insn access error", insn_acc_error, SEGV_ACCERR); -DO_EINFO(SIGSEGV, {}, "data access error", data_acc_error, SEGV_ACCERR); -DO_EINFO(SIGILL, {}, "privileged opcode", priv_op, ILL_PRVOPC); -DO_EINFO(SIGILL, {}, "invalid opcode", invalid_op, ILL_ILLOPC); -DO_EINFO(SIGILL, {}, "invalid ex opcode", invalid_exop, ILL_ILLOPC); -DO_EINFO(SIGBUS, {}, "invalid address", mem_error, BUS_ADRERR); -DO_EINFO(SIGBUS, {}, "bus error", bus_error, BUS_ADRERR); -DO_EINFO(SIGILL, {}, "FPU invalid opcode", fpu_invalid_op, ILL_COPROC); - -DO_ERROR(SIGTRAP, -#ifndef CONFIG_MN10300_USING_JTAG - DCR &= ~0x0001, -#else - {}, -#endif - "single step", istep); +/* + * General exception handler + */ +asmlinkage void handle_exception(struct pt_regs *regs, u32 intcode) +{ + siginfo_t info; + + /* deal with kernel exceptions here */ + if (die_if_no_fixup(NULL, regs, intcode)) + return; + + /* otherwise it's a userspace exception */ + info.si_signo = exception_to_signal_map[intcode >> 3].signo; + info.si_code = exception_to_signal_map[intcode >> 3].si_code; + info.si_errno = 0; + info.si_addr = (void *) regs->pc; + force_sig_info(info.si_signo, &info, current); +} /* * handle NMI @@ -118,10 +220,8 @@ DO_ERROR(SIGTRAP, asmlinkage void nmi(struct pt_regs *regs, enum exception_code code) { /* see if gdbstub wants to deal with it */ -#ifdef CONFIG_GDBSTUB - if (gdbstub_intercept(regs, code)) + if (debugger_intercept(code, SIGQUIT, 0, regs)) return; -#endif printk(KERN_WARNING "--- Register Dump ---\n"); show_registers(regs); @@ -133,30 +233,36 @@ asmlinkage void nmi(struct pt_regs *regs, enum exception_code code) */ void show_trace(unsigned long *sp) { - unsigned long *stack, addr, module_start, module_end; - int i; - - printk(KERN_EMERG "\n" - KERN_EMERG "Call Trace:"); - - stack = sp; - i = 0; - module_start = VMALLOC_START; - module_end = VMALLOC_END; + unsigned long bottom, stack, addr, fp, raslot; + + printk(KERN_EMERG "\nCall Trace:\n"); + + //stack = (unsigned long)sp; + asm("mov sp,%0" : "=a"(stack)); + asm("mov a3,%0" : "=r"(fp)); + + raslot = ULONG_MAX; + bottom = (stack + THREAD_SIZE) & ~(THREAD_SIZE - 1); + for (; stack < bottom; stack += sizeof(addr)) { + addr = *(unsigned long *)stack; + if (stack == fp) { + if (addr > stack && addr < bottom) { + fp = addr; + raslot = stack + sizeof(addr); + continue; + } + fp = 0; + raslot = ULONG_MAX; + } - while (((long) stack & (THREAD_SIZE - 1)) != 0) { - addr = *stack++; if (__kernel_text_address(addr)) { -#if 1 printk(" [<%08lx>]", addr); + if (stack >= raslot) + raslot = ULONG_MAX; + else + printk(" ?"); print_symbol(" %s", addr); printk("\n"); -#else - if ((i % 6) == 0) - printk("\n" KERN_EMERG " "); - printk("[<%08lx>] ", addr); - i++; -#endif } } @@ -180,7 +286,7 @@ void show_stack(struct task_struct *task, unsigned long *sp) if (((long) stack & (THREAD_SIZE - 1)) == 0) break; if ((i % 8) == 0) - printk("\n" KERN_EMERG " "); + printk(KERN_EMERG " "); printk("%08lx ", *stack++); } @@ -188,17 +294,6 @@ void show_stack(struct task_struct *task, unsigned long *sp) } /* - * the architecture-independent dump_stack generator - */ -void dump_stack(void) -{ - unsigned long stack; - - show_stack(current, &stack); -} -EXPORT_SYMBOL(dump_stack); - -/* * dump the register file in the specified exception frame */ void show_registers_only(struct pt_regs *regs) @@ -224,11 +319,14 @@ void show_registers_only(struct pt_regs *regs) printk(KERN_EMERG "threadinfo=%p task=%p)\n", current_thread_info(), current); - if ((unsigned long) current >= 0x90000000UL && - (unsigned long) current < 0x94000000UL) + if ((unsigned long) current >= PAGE_OFFSET && + (unsigned long) current < (unsigned long)high_memory) printk(KERN_EMERG "Process %s (pid: %d)\n", current->comm, current->pid); +#ifdef CONFIG_SMP + printk(KERN_EMERG "CPUID: %08x\n", CPUID); +#endif printk(KERN_EMERG "CPUP: %04hx\n", CPUP); printk(KERN_EMERG "TBR: %08x\n", TBR); printk(KERN_EMERG "DEAR: %08x\n", DEAR); @@ -264,8 +362,7 @@ void show_registers(struct pt_regs *regs) show_stack(current, (unsigned long *) sp); #if 0 - printk(KERN_EMERG "\n" - KERN_EMERG "Code: "); + printk(KERN_EMERG "\nCode: "); if (regs->pc < PAGE_OFFSET) goto bad; @@ -311,16 +408,14 @@ void die(const char *str, struct pt_regs *regs, enum exception_code code) { console_verbose(); spin_lock_irq(&die_lock); - printk(KERN_EMERG "\n" - KERN_EMERG "%s: %04x\n", + printk(KERN_EMERG "\n%s: %04x\n", str, code & 0xffff); show_registers(regs); if (regs->pc >= 0x02000000 && regs->pc < 0x04000000 && (regs->epsw & (EPSW_IM | EPSW_IE)) != (EPSW_IM | EPSW_IE)) { printk(KERN_EMERG "Exception in usermode interrupt handler\n"); - printk(KERN_EMERG "\n" - KERN_EMERG " Please connect to kernel debugger !!\n"); + printk(KERN_EMERG "\nPlease connect to kernel debugger !!\n"); asm volatile ("0: bra 0b"); } @@ -329,86 +424,6 @@ void die(const char *str, struct pt_regs *regs, enum exception_code code) } /* - * see if there's a fixup handler we can force a jump to when an exception - * happens due to something kernel code did - */ -int die_if_no_fixup(const char *str, struct pt_regs *regs, - enum exception_code code) -{ - if (user_mode(regs)) - return 0; - - peripheral_leds_display_exception(code); - - switch (code) { - /* see if we can fixup the kernel accessing memory */ - case EXCEP_ITLBMISS: - case EXCEP_DTLBMISS: - case EXCEP_IAERROR: - case EXCEP_DAERROR: - case EXCEP_MEMERR: - case EXCEP_MISALIGN: - case EXCEP_BUSERROR: - case EXCEP_ILLDATACC: - case EXCEP_IOINSACC: - case EXCEP_PRIVINSACC: - case EXCEP_PRIVDATACC: - case EXCEP_DATINSACC: - if (fixup_exception(regs)) - return 1; - case EXCEP_UNIMPINS: - if (regs->pc && *(uint8_t *)regs->pc == 0xff) - if (notify_die(DIE_BREAKPOINT, str, regs, code, 0, 0)) - return 1; - break; - default: - break; - } - - /* see if gdbstub wants to deal with it */ -#ifdef CONFIG_GDBSTUB - if (gdbstub_intercept(regs, code)) - return 1; -#endif - - if (notify_die(DIE_GPF, str, regs, code, 0, 0)) - return 1; - - /* make the process die as the last resort */ - die(str, regs, code); -} - -/* - * handle unsupported syscall instructions (syscall 1-15) - */ -static asmlinkage void unsupported_syscall(struct pt_regs *regs, - enum exception_code code) -{ - struct task_struct *tsk = current; - siginfo_t info; - - /* catch a kernel BUG() */ - if (code == EXCEP_SYSCALL15 && !user_mode(regs)) { - if (report_bug(regs->pc, regs) == BUG_TRAP_TYPE_BUG) { -#ifdef CONFIG_GDBSTUB - gdbstub_intercept(regs, code); -#endif - } - } - - regs->pc -= 2; /* syscall return addr is _after_ the instruction */ - - die_if_no_fixup("An unsupported syscall insn was used by the kernel\n", - regs, code); - - info.si_signo = SIGILL; - info.si_errno = ENOSYS; - info.si_code = ILL_ILLTRP; - info.si_addr = (void *) regs->pc; - force_sig_info(SIGILL, &info, tsk); -} - -/* * display the register file when the stack pointer gets clobbered */ asmlinkage void do_double_fault(struct pt_regs *regs) @@ -429,9 +444,8 @@ asmlinkage void io_bus_error(u32 bcberr, u32 bcbear, struct pt_regs *regs) { console_verbose(); - printk(KERN_EMERG "\n" - KERN_EMERG "Asynchronous I/O Bus Error\n" - KERN_EMERG "==========================\n"); + printk(KERN_EMERG "Asynchronous I/O Bus Error\n"); + printk(KERN_EMERG "==========================\n"); if (bcberr & BCBERR_BEME) printk(KERN_EMERG "- Multiple recorded errors\n"); @@ -488,10 +502,8 @@ asmlinkage void uninitialised_exception(struct pt_regs *regs, { /* see if gdbstub wants to deal with it */ -#ifdef CONFIG_GDBSTUB - if (gdbstub_intercept(regs, code)) + if (debugger_intercept(code, SIGSYS, 0, regs) == 0) return; -#endif peripheral_leds_display_exception(code); printk(KERN_EMERG "Uninitialised Exception 0x%04x\n", code & 0xFFFF); @@ -528,8 +540,12 @@ void __init set_intr_stub(enum exception_code code, void *handler) { unsigned long addr; u8 *vector = (u8 *)(CONFIG_INTERRUPT_VECTOR_BASE + code); + unsigned long flags; addr = (unsigned long) handler - (unsigned long) vector; + + flags = arch_local_cli_save(); + vector[0] = 0xdc; /* JMP handler */ vector[1] = addr; vector[2] = addr >> 8; @@ -539,30 +555,12 @@ void __init set_intr_stub(enum exception_code code, void *handler) vector[6] = 0xcb; vector[7] = 0xcb; - mn10300_dcache_flush_inv(); - mn10300_icache_inv(); -} - -/* - * set an interrupt stub to invoke the JTAG unit and then jump to a handler - */ -void __init set_jtag_stub(enum exception_code code, void *handler) -{ - unsigned long addr; - u8 *vector = (u8 *)(CONFIG_INTERRUPT_VECTOR_BASE + code); - - addr = (unsigned long) handler - ((unsigned long) vector + 1); - vector[0] = 0xff; /* PI to jump into JTAG debugger */ - vector[1] = 0xdc; /* jmp handler */ - vector[2] = addr; - vector[3] = addr >> 8; - vector[4] = addr >> 16; - vector[5] = addr >> 24; - vector[6] = 0xcb; - vector[7] = 0xcb; + arch_local_irq_restore(flags); +#ifndef CONFIG_MN10300_CACHE_SNOOP mn10300_dcache_flush_inv(); - flush_icache_range((unsigned long) vector, (unsigned long) vector + 8); + mn10300_icache_inv(); +#endif } /* @@ -570,44 +568,43 @@ void __init set_jtag_stub(enum exception_code code, void *handler) */ void __init trap_init(void) { - set_excp_vector(EXCEP_TRAP, trap); - set_excp_vector(EXCEP_ISTEP, istep); - set_excp_vector(EXCEP_IBREAK, ibreak); - set_excp_vector(EXCEP_OBREAK, obreak); - - set_excp_vector(EXCEP_PRIVINS, priv_op); - set_excp_vector(EXCEP_UNIMPINS, invalid_op); - set_excp_vector(EXCEP_UNIMPEXINS, invalid_exop); - set_excp_vector(EXCEP_MEMERR, mem_error); + set_excp_vector(EXCEP_TRAP, handle_exception); + set_excp_vector(EXCEP_ISTEP, handle_exception); + set_excp_vector(EXCEP_IBREAK, handle_exception); + set_excp_vector(EXCEP_OBREAK, handle_exception); + + set_excp_vector(EXCEP_PRIVINS, handle_exception); + set_excp_vector(EXCEP_UNIMPINS, handle_exception); + set_excp_vector(EXCEP_UNIMPEXINS, handle_exception); + set_excp_vector(EXCEP_MEMERR, handle_exception); set_excp_vector(EXCEP_MISALIGN, misalignment); - set_excp_vector(EXCEP_BUSERROR, bus_error); - set_excp_vector(EXCEP_ILLINSACC, insn_acc_error); - set_excp_vector(EXCEP_ILLDATACC, data_acc_error); - set_excp_vector(EXCEP_IOINSACC, insn_acc_error); - set_excp_vector(EXCEP_PRIVINSACC, insn_acc_error); - set_excp_vector(EXCEP_PRIVDATACC, data_acc_error); - set_excp_vector(EXCEP_DATINSACC, insn_acc_error); - set_excp_vector(EXCEP_FPU_DISABLED, fpu_disabled); - set_excp_vector(EXCEP_FPU_UNIMPINS, fpu_invalid_op); + set_excp_vector(EXCEP_BUSERROR, handle_exception); + set_excp_vector(EXCEP_ILLINSACC, handle_exception); + set_excp_vector(EXCEP_ILLDATACC, handle_exception); + set_excp_vector(EXCEP_IOINSACC, handle_exception); + set_excp_vector(EXCEP_PRIVINSACC, handle_exception); + set_excp_vector(EXCEP_PRIVDATACC, handle_exception); + set_excp_vector(EXCEP_DATINSACC, handle_exception); + set_excp_vector(EXCEP_FPU_UNIMPINS, handle_exception); set_excp_vector(EXCEP_FPU_OPERATION, fpu_exception); set_excp_vector(EXCEP_NMI, nmi); - set_excp_vector(EXCEP_SYSCALL1, unsupported_syscall); - set_excp_vector(EXCEP_SYSCALL2, unsupported_syscall); - set_excp_vector(EXCEP_SYSCALL3, unsupported_syscall); - set_excp_vector(EXCEP_SYSCALL4, unsupported_syscall); - set_excp_vector(EXCEP_SYSCALL5, unsupported_syscall); - set_excp_vector(EXCEP_SYSCALL6, unsupported_syscall); - set_excp_vector(EXCEP_SYSCALL7, unsupported_syscall); - set_excp_vector(EXCEP_SYSCALL8, unsupported_syscall); - set_excp_vector(EXCEP_SYSCALL9, unsupported_syscall); - set_excp_vector(EXCEP_SYSCALL10, unsupported_syscall); - set_excp_vector(EXCEP_SYSCALL11, unsupported_syscall); - set_excp_vector(EXCEP_SYSCALL12, unsupported_syscall); - set_excp_vector(EXCEP_SYSCALL13, unsupported_syscall); - set_excp_vector(EXCEP_SYSCALL14, unsupported_syscall); - set_excp_vector(EXCEP_SYSCALL15, unsupported_syscall); + set_excp_vector(EXCEP_SYSCALL1, handle_exception); + set_excp_vector(EXCEP_SYSCALL2, handle_exception); + set_excp_vector(EXCEP_SYSCALL3, handle_exception); + set_excp_vector(EXCEP_SYSCALL4, handle_exception); + set_excp_vector(EXCEP_SYSCALL5, handle_exception); + set_excp_vector(EXCEP_SYSCALL6, handle_exception); + set_excp_vector(EXCEP_SYSCALL7, handle_exception); + set_excp_vector(EXCEP_SYSCALL8, handle_exception); + set_excp_vector(EXCEP_SYSCALL9, handle_exception); + set_excp_vector(EXCEP_SYSCALL10, handle_exception); + set_excp_vector(EXCEP_SYSCALL11, handle_exception); + set_excp_vector(EXCEP_SYSCALL12, handle_exception); + set_excp_vector(EXCEP_SYSCALL13, handle_exception); + set_excp_vector(EXCEP_SYSCALL14, handle_exception); + set_excp_vector(EXCEP_SYSCALL15, handle_exception); } /* |