diff options
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/powerpc/include/asm/hw_breakpoint.h | 3 | ||||
| -rw-r--r-- | arch/powerpc/kernel/hw_breakpoint.c | 4 | ||||
| -rw-r--r-- | arch/powerpc/kernel/ptrace.c | 6 | ||||
| -rw-r--r-- | arch/powerpc/xmon/xmon.c | 2 |
4 files changed, 9 insertions, 6 deletions
diff --git a/arch/powerpc/include/asm/hw_breakpoint.h b/arch/powerpc/include/asm/hw_breakpoint.h index 67e2da195eae..4a887e85a5f4 100644 --- a/arch/powerpc/include/asm/hw_breakpoint.h +++ b/arch/powerpc/include/asm/hw_breakpoint.h @@ -33,6 +33,9 @@ struct arch_hw_breakpoint { #define HW_BRK_TYPE_PRIV_ALL (HW_BRK_TYPE_USER | HW_BRK_TYPE_KERNEL | \ HW_BRK_TYPE_HYP) +#define DABR_MAX_LEN 8 +#define DAWR_MAX_LEN 512 + #ifdef CONFIG_HAVE_HW_BREAKPOINT #include <linux/kdebug.h> #include <asm/reg.h> diff --git a/arch/powerpc/kernel/hw_breakpoint.c b/arch/powerpc/kernel/hw_breakpoint.c index 1007ec36b4cb..677041cb3c3e 100644 --- a/arch/powerpc/kernel/hw_breakpoint.c +++ b/arch/powerpc/kernel/hw_breakpoint.c @@ -163,9 +163,9 @@ int hw_breakpoint_arch_parse(struct perf_event *bp, */ if (!ppc_breakpoint_available()) return -ENODEV; - length_max = 8; /* DABR */ + length_max = DABR_MAX_LEN; /* DABR */ if (dawr_enabled()) { - length_max = 512 ; /* 64 doublewords */ + length_max = DAWR_MAX_LEN; /* 64 doublewords */ /* DAWR region can't cross 512 boundary */ if ((attr->bp_addr >> 9) != ((attr->bp_addr + attr->bp_len - 1) >> 9)) diff --git a/arch/powerpc/kernel/ptrace.c b/arch/powerpc/kernel/ptrace.c index 76724a023b9b..eba39a5f6294 100644 --- a/arch/powerpc/kernel/ptrace.c +++ b/arch/powerpc/kernel/ptrace.c @@ -2425,7 +2425,7 @@ static int ptrace_set_debugreg(struct task_struct *task, unsigned long addr, return -EIO; hw_brk.address = data & (~HW_BRK_TYPE_DABR); hw_brk.type = (data & HW_BRK_TYPE_DABR) | HW_BRK_TYPE_PRIV_ALL; - hw_brk.len = 8; + hw_brk.len = DABR_MAX_LEN; set_bp = (data) && (hw_brk.type & HW_BRK_TYPE_RDWR); #ifdef CONFIG_HAVE_HW_BREAKPOINT bp = thread->ptrace_bps[0]; @@ -2456,7 +2456,7 @@ static int ptrace_set_debugreg(struct task_struct *task, unsigned long addr, /* Create a new breakpoint request if one doesn't exist already */ hw_breakpoint_init(&attr); attr.bp_addr = hw_brk.address; - attr.bp_len = 8; + attr.bp_len = DABR_MAX_LEN; arch_bp_generic_fields(hw_brk.type, &attr.bp_type); @@ -2882,7 +2882,7 @@ static long ppc_set_hwdebug(struct task_struct *child, brk.address = bp_info->addr & ~7UL; brk.type = HW_BRK_TYPE_TRANSLATE; - brk.len = 8; + brk.len = DABR_MAX_LEN; if (bp_info->trigger_type & PPC_BREAKPOINT_TRIGGER_READ) brk.type |= HW_BRK_TYPE_READ; if (bp_info->trigger_type & PPC_BREAKPOINT_TRIGGER_WRITE) diff --git a/arch/powerpc/xmon/xmon.c b/arch/powerpc/xmon/xmon.c index 0a438b51dbb5..a7056049709e 100644 --- a/arch/powerpc/xmon/xmon.c +++ b/arch/powerpc/xmon/xmon.c @@ -933,7 +933,7 @@ static void insert_cpu_bpts(void) if (dabr.enabled) { brk.address = dabr.address; brk.type = (dabr.enabled & HW_BRK_TYPE_DABR) | HW_BRK_TYPE_PRIV_ALL; - brk.len = 8; + brk.len = DABR_MAX_LEN; __set_breakpoint(&brk); } |