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| author | David Howells <dhowells@redhat.com> | 2011-03-18 16:54:30 +0000 |
|---|---|---|
| committer | David Howells <dhowells@redhat.com> | 2011-03-18 16:54:30 +0000 |
| commit | 67ddb4052daac9d449caf2643ac365d42a04219a (patch) | |
| tree | 7c610973a19b7e70b47294c540b182f203680fde /arch/mn10300/include | |
| parent | 7f386ac3272e057fbf51e5b5712fad1a80e77125 (diff) | |
| download | linux-3.10-67ddb4052daac9d449caf2643ac365d42a04219a.tar.gz linux-3.10-67ddb4052daac9d449caf2643ac365d42a04219a.tar.bz2 linux-3.10-67ddb4052daac9d449caf2643ac365d42a04219a.zip | |
MN10300: Create generic kernel debugger hooks
Create generic kernel debugger hooks in the MN10300 arch and make gdbstub use
them. This is a preparation for KGDB support.
Signed-off-by: David Howells <dhowells@redhat.com>
Diffstat (limited to 'arch/mn10300/include')
| -rw-r--r-- | arch/mn10300/include/asm/debugger.h | 15 | ||||
| -rw-r--r-- | arch/mn10300/include/asm/fpu.h | 2 | ||||
| -rw-r--r-- | arch/mn10300/include/asm/irqflags.h | 2 | ||||
| -rw-r--r-- | arch/mn10300/include/asm/smp.h | 3 |
4 files changed, 18 insertions, 4 deletions
diff --git a/arch/mn10300/include/asm/debugger.h b/arch/mn10300/include/asm/debugger.h index 4517f839a99..e1d3b083696 100644 --- a/arch/mn10300/include/asm/debugger.h +++ b/arch/mn10300/include/asm/debugger.h @@ -14,6 +14,9 @@ #if defined(CONFIG_KERNEL_DEBUGGER) +extern int debugger_intercept(enum exception_code, int, int, struct pt_regs *); +extern int at_debugger_breakpoint(struct pt_regs *); + #ifndef CONFIG_MN10300_DEBUGGER_CACHE_NO_FLUSH extern void debugger_local_cache_flushinv(void); extern void debugger_local_cache_flushinv_one(u8 *); @@ -24,5 +27,17 @@ static inline void debugger_local_cache_flushinv_one(u8 *addr) {} #else /* CONFIG_KERNEL_DEBUGGER */ +static inline int debugger_intercept(enum exception_code excep, + int signo, int si_code, + struct pt_regs *regs) +{ + return 0; +} + +static inline int at_debugger_breakpoint(struct pt_regs *regs) +{ + return 0; +} + #endif /* CONFIG_KERNEL_DEBUGGER */ #endif /* _ASM_DEBUGGER_H */ diff --git a/arch/mn10300/include/asm/fpu.h b/arch/mn10300/include/asm/fpu.h index b7625de8ead..738ff72659d 100644 --- a/arch/mn10300/include/asm/fpu.h +++ b/arch/mn10300/include/asm/fpu.h @@ -55,7 +55,6 @@ static inline void clear_using_fpu(struct task_struct *tsk) extern asmlinkage void fpu_kill_state(struct task_struct *); extern asmlinkage void fpu_exception(struct pt_regs *, enum exception_code); -extern asmlinkage void fpu_invalid_op(struct pt_regs *, enum exception_code); extern asmlinkage void fpu_init_state(void); extern asmlinkage void fpu_save(struct fpu_state_struct *); extern int fpu_setup_sigcontext(struct fpucontext *buf); @@ -113,7 +112,6 @@ static inline void flush_fpu(void) extern asmlinkage void unexpected_fpu_exception(struct pt_regs *, enum exception_code); -#define fpu_invalid_op unexpected_fpu_exception #define fpu_exception unexpected_fpu_exception struct task_struct; diff --git a/arch/mn10300/include/asm/irqflags.h b/arch/mn10300/include/asm/irqflags.h index 7a7ae12c711..678f68d5f37 100644 --- a/arch/mn10300/include/asm/irqflags.h +++ b/arch/mn10300/include/asm/irqflags.h @@ -20,7 +20,7 @@ /* * interrupt control * - "disabled": run in IM1/2 - * - level 0 - GDB stub + * - level 0 - kernel debugger * - level 1 - virtual serial DMA (if present) * - level 5 - normal interrupt priority * - level 6 - timer interrupt diff --git a/arch/mn10300/include/asm/smp.h b/arch/mn10300/include/asm/smp.h index a3930e43a95..e3d13a89985 100644 --- a/arch/mn10300/include/asm/smp.h +++ b/arch/mn10300/include/asm/smp.h @@ -34,7 +34,7 @@ #define LOCAL_TIMER_IPI 193 #define FLUSH_CACHE_IPI 194 #define CALL_FUNCTION_NMI_IPI 195 -#define GDB_NMI_IPI 196 +#define DEBUGGER_NMI_IPI 196 #define SMP_BOOT_IRQ 195 @@ -43,6 +43,7 @@ #define LOCAL_TIMER_GxICR_LV GxICR_LEVEL_4 #define FLUSH_CACHE_GxICR_LV GxICR_LEVEL_0 #define SMP_BOOT_GxICR_LV GxICR_LEVEL_0 +#define DEBUGGER_GxICR_LV CONFIG_DEBUGGER_IRQ_LEVEL #define TIME_OUT_COUNT_BOOT_IPI 100 #define DELAY_TIME_BOOT_IPI 75000 |