diff options
Diffstat (limited to 'arch/powerpc/include/asm/hw_breakpoint.h')
| -rw-r--r-- | arch/powerpc/include/asm/hw_breakpoint.h | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/arch/powerpc/include/asm/hw_breakpoint.h b/arch/powerpc/include/asm/hw_breakpoint.h index db206a7f38e2..abebfbee5b1c 100644 --- a/arch/powerpc/include/asm/hw_breakpoint.h +++ b/arch/powerpc/include/asm/hw_breakpoint.h @@ -10,6 +10,7 @@ #define _PPC_BOOK3S_64_HW_BREAKPOINT_H #include <asm/cpu_has_feature.h> +#include <asm/inst.h> #ifdef __KERNEL__ struct arch_hw_breakpoint { @@ -17,6 +18,7 @@ struct arch_hw_breakpoint { u16 type; u16 len; /* length of the target data symbol */ u16 hw_len; /* length programmed in hw */ + u8 flags; }; /* Note: Don't change the first 6 bits below as they are in the same order @@ -36,12 +38,15 @@ struct arch_hw_breakpoint { #define HW_BRK_TYPE_PRIV_ALL (HW_BRK_TYPE_USER | HW_BRK_TYPE_KERNEL | \ HW_BRK_TYPE_HYP) +#define HW_BRK_FLAG_DISABLED 0x1 + /* Minimum granularity */ #ifdef CONFIG_PPC_8xx #define HW_BREAKPOINT_SIZE 0x4 #else #define HW_BREAKPOINT_SIZE 0x8 #endif +#define HW_BREAKPOINT_SIZE_QUADWORD 0x10 #define DABR_MAX_LEN 8 #define DAWR_MAX_LEN 512 @@ -51,6 +56,13 @@ static inline int nr_wp_slots(void) return cpu_has_feature(CPU_FTR_DAWR1) ? 2 : 1; } +bool wp_check_constraints(struct pt_regs *regs, struct ppc_inst instr, + unsigned long ea, int type, int size, + struct arch_hw_breakpoint *info); + +void wp_get_instr_detail(struct pt_regs *regs, struct ppc_inst *instr, + int *type, int *size, unsigned long *ea); + #ifdef CONFIG_HAVE_HW_BREAKPOINT #include <linux/kdebug.h> #include <asm/reg.h> |