First attempt at implementing cpu_loop_exit_sigbus, mostly copied from
linux-user version of this function.
Signed-off-by: Stacey Son <s...@freebsd.org>
Signed-off-by: Kyle Evans <kev...@freebsd.org>
Signed-off-by: Warner Losh <i...@bsdimp.com>
Reviewed-by: Peter Maydell <peter.mayd...@linaro.org>
Reviewed-by: Richard Henderson <richard.hender...@linaro.org>
---
bsd-user/signal.c | 12 +++++++++---
1 file changed, 9 insertions(+), 3 deletions(-)
diff --git a/bsd-user/signal.c b/bsd-user/signal.c
index 12de0e2dea4..844dfa19095 100644
--- a/bsd-user/signal.c
+++ b/bsd-user/signal.c
@@ -80,7 +80,13 @@ void cpu_loop_exit_sigsegv(CPUState *cpu, target_ulong addr,
void cpu_loop_exit_sigbus(CPUState *cpu, target_ulong addr,
MMUAccessType access_type, uintptr_t ra)
{
- qemu_log_mask(LOG_UNIMP, "No signal support for SIGBUS\n");
- /* unreachable */
- abort();
+ const struct TCGCPUOps *tcg_ops = CPU_GET_CLASS(cpu)->tcg_ops;
+
+ if (tcg_ops->record_sigbus) {
+ tcg_ops->record_sigbus(cpu, addr, access_type, ra);
+ }
+
+ force_sig_fault(TARGET_SIGBUS, TARGET_BUS_ADRALN, addr);
+ cpu->exception_index = EXCP_INTERRUPT;
+ cpu_loop_exit_restore(cpu, ra);
}
--
2.33.1
