diff options
Diffstat (limited to 'arch/csky/kernel')
| -rw-r--r-- | arch/csky/kernel/probes/uprobes.c | 5 | ||||
| -rw-r--r-- | arch/csky/kernel/ptrace.c | 6 |
2 files changed, 11 insertions, 0 deletions
diff --git a/arch/csky/kernel/probes/uprobes.c b/arch/csky/kernel/probes/uprobes.c index b3a56c260e3e..1a9e0961b2b5 100644 --- a/arch/csky/kernel/probes/uprobes.c +++ b/arch/csky/kernel/probes/uprobes.c @@ -11,6 +11,11 @@ #define UPROBE_TRAP_NR UINT_MAX +bool is_swbp_insn(uprobe_opcode_t *insn) +{ + return (*insn & 0xffff) == UPROBE_SWBP_INSN; +} + unsigned long uprobe_get_swbp_addr(struct pt_regs *regs) { return instruction_pointer(regs); diff --git a/arch/csky/kernel/ptrace.c b/arch/csky/kernel/ptrace.c index 21ac2608f205..5a82230bddf9 100644 --- a/arch/csky/kernel/ptrace.c +++ b/arch/csky/kernel/ptrace.c @@ -41,6 +41,9 @@ static void singlestep_disable(struct task_struct *tsk) regs = task_pt_regs(tsk); regs->sr = (regs->sr & TRACE_MODE_MASK) | TRACE_MODE_RUN; + + /* Enable irq */ + regs->sr |= BIT(6); } static void singlestep_enable(struct task_struct *tsk) @@ -49,6 +52,9 @@ static void singlestep_enable(struct task_struct *tsk) regs = task_pt_regs(tsk); regs->sr = (regs->sr & TRACE_MODE_MASK) | TRACE_MODE_SI; + + /* Disable irq */ + regs->sr &= ~BIT(6); } /* |