diff options
| -rw-r--r-- | arch/xtensa/include/asm/traps.h | 14 | ||||
| -rw-r--r-- | arch/xtensa/kernel/s32c1i_selftest.c | 7 | ||||
| -rw-r--r-- | arch/xtensa/kernel/traps.c | 7 |
3 files changed, 13 insertions, 15 deletions
diff --git a/arch/xtensa/include/asm/traps.h b/arch/xtensa/include/asm/traps.h index fc63217232a4..bfdb0af61b07 100644 --- a/arch/xtensa/include/asm/traps.h +++ b/arch/xtensa/include/asm/traps.h @@ -12,6 +12,8 @@ #include <asm/ptrace.h> +typedef void xtensa_exception_handler(struct pt_regs *regs); + /* * Per-CPU exception handling data structure. * EXCSAVE1 points to it. @@ -30,15 +32,11 @@ struct exc_table { /* Fast kernel exception handlers */ void *fast_kernel_handler[EXCCAUSE_N]; /* Default C-Handlers */ - void *default_handler[EXCCAUSE_N]; + xtensa_exception_handler *default_handler[EXCCAUSE_N]; }; -/* - * handler must be either of the following: - * void (*)(struct pt_regs *regs); - * void (*)(struct pt_regs *regs, unsigned long exccause); - */ -extern void * __init trap_set_handler(int cause, void *handler); +xtensa_exception_handler * +__init trap_set_handler(int cause, xtensa_exception_handler *handler); asmlinkage void fast_illegal_instruction_user(void); asmlinkage void fast_syscall_user(void); @@ -54,7 +52,7 @@ asmlinkage void system_call(struct pt_regs *regs); void do_IRQ(int hwirq, struct pt_regs *regs); void do_page_fault(struct pt_regs *regs); -void do_unhandled(struct pt_regs *regs, unsigned long exccause); +void do_unhandled(struct pt_regs *regs); /* Initialize minimal exc_table structure sufficient for basic paging */ static inline void __init early_trap_init(void) diff --git a/arch/xtensa/kernel/s32c1i_selftest.c b/arch/xtensa/kernel/s32c1i_selftest.c index 07e56e3a9a8b..8362388c8719 100644 --- a/arch/xtensa/kernel/s32c1i_selftest.c +++ b/arch/xtensa/kernel/s32c1i_selftest.c @@ -40,14 +40,13 @@ static inline int probed_compare_swap(int *v, int cmp, int set) /* Handle probed exception */ -static void __init do_probed_exception(struct pt_regs *regs, - unsigned long exccause) +static void __init do_probed_exception(struct pt_regs *regs) { if (regs->pc == rcw_probe_pc) { /* exception on s32c1i ? */ regs->pc += 3; /* skip the s32c1i instruction */ - rcw_exc = exccause; + rcw_exc = regs->exccause; } else { - do_unhandled(regs, exccause); + do_unhandled(regs); } } diff --git a/arch/xtensa/kernel/traps.c b/arch/xtensa/kernel/traps.c index b6bb5911ec7f..d6b1a0c3e319 100644 --- a/arch/xtensa/kernel/traps.c +++ b/arch/xtensa/kernel/traps.c @@ -170,7 +170,7 @@ __die_if_kernel(const char *str, struct pt_regs *regs, long err) * Unhandled Exceptions. Kill user task or panic if in kernel space. */ -void do_unhandled(struct pt_regs *regs, unsigned long exccause) +void do_unhandled(struct pt_regs *regs) { __die_if_kernel("Caught unhandled exception - should not happen", regs, SIGKILL); @@ -180,7 +180,7 @@ void do_unhandled(struct pt_regs *regs, unsigned long exccause) "(pid = %d, pc = %#010lx) - should not happen\n" "\tEXCCAUSE is %ld\n", current->comm, task_pid_nr(current), regs->pc, - exccause); + regs->exccause); force_sig(SIGILL); } @@ -360,7 +360,8 @@ static void do_debug(struct pt_regs *regs) /* Set exception C handler - for temporary use when probing exceptions */ -void * __init trap_set_handler(int cause, void *handler) +xtensa_exception_handler * +__init trap_set_handler(int cause, xtensa_exception_handler *handler) { void *previous = per_cpu(exc_table, 0).default_handler[cause]; |