This fixes qemu abort with the following message:
include/qemu/int128.h:22: int128_get64: Assertion `!a.hi' failed.
which happens due to attempt to invalidate breakpoint by virtual address
for which get_phys_page_debug couldn't find mapping.
For more details see
http://lists.nongnu.org/archive/html/qemu-devel/2013-09/msg04582.html
Cc: [email protected]
Signed-off-by: Max Filippov <[email protected]>
---
exec.c | 6 ++++--
1 file changed, 4 insertions(+), 2 deletions(-)
diff --git a/exec.c b/exec.c
index 2e31ffc..9150430 100644
--- a/exec.c
+++ b/exec.c
@@ -409,8 +409,10 @@ static void breakpoint_invalidate(CPUState *cpu,
target_ulong pc)
#else
static void breakpoint_invalidate(CPUState *cpu, target_ulong pc)
{
- tb_invalidate_phys_addr(cpu_get_phys_page_debug(cpu, pc) |
- (pc & ~TARGET_PAGE_MASK));
+ hwaddr phys = cpu_get_phys_page_debug(cpu, pc);
+ if (phys != -1) {
+ tb_invalidate_phys_addr(phys | (pc & ~TARGET_PAGE_MASK));
+ }
}
#endif
#endif /* TARGET_HAS_ICE */
--
1.8.1.4
