Debugger single step without interrupts (Jason Wessel).

This patch allows the qemu backend debugger to single step an
instruction without running the hardware interrupts.


git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@4391 c046a42c-6fe2-441c-8c8c-71466251a162

1 files changed, 5 insertions, 0 deletions

diff --git a/cpu-all.h b/cpu-all.h
index 2740da9b7f..f1454d5979 100644
--- a/cpu-all.h
+++ b/cpu-all.h
@@ -762,6 +762,11 @@ int cpu_watchpoint_insert(CPUState *env, target_ulong addr);
 int cpu_watchpoint_remove(CPUState *env, target_ulong addr);
 int cpu_breakpoint_insert(CPUState *env, target_ulong pc);
 int cpu_breakpoint_remove(CPUState *env, target_ulong pc);
+
+#define SSTEP_ENABLE  0x1  /* Enable simulated HW single stepping */
+#define SSTEP_NOIRQ   0x2  /* Do not use IRQ while single stepping */
+#define SSTEP_NOTIMER 0x4  /* Do not Timers while single stepping */
+
 void cpu_single_step(CPUState *env, int enabled);
 void cpu_reset(CPUState *s);