From: KONRAD Frederic <fred.kon...@greensocs.com>
This allows QEMU to trigger a debug exception when rexec_dbg_requested
is set.
Signed-off-by: KONRAD Frederic <fred.kon...@greensocs.com>
---
cpu-exec.c | 13 +++++++++++++
1 file changed, 13 insertions(+)
diff --git a/cpu-exec.c b/cpu-exec.c
index 38e5f02..82e2568 100644
--- a/cpu-exec.c
+++ b/cpu-exec.c
@@ -22,6 +22,7 @@
#include "tcg.h"
#include "qemu/atomic.h"
#include "sysemu/qtest.h"
+#include "reverse-execution.h"
void cpu_loop_exit(CPUState *cpu)
{
@@ -230,6 +231,18 @@ int cpu_exec(CPUArchState *env)
/* This must be volatile so it is not trashed by longjmp() */
volatile bool have_tb_lock = false;
+ #ifndef CONFIG_USER_ONLY
+ if (rexec_is_enabled() && rexec_dbg_requested()) {
+ /*
+ * Reverse execution need to stop right now.
+ * So just generate a EXCP_DEBUG.
+ */
+ cpu->exception_index = EXCP_DEBUG;
+ cpu_handle_debug_exception(env);
+ return EXCP_DEBUG;
+ }
+ #endif /* !CONFIG_USER_ONLY */
+
if (cpu->halted) {
if (!cpu_has_work(cpu)) {
return EXCP_HALTED;
--
1.9.0
