diff options
Diffstat (limited to 'accel/tcg/tcg-all.c')
| -rw-r--r-- | accel/tcg/tcg-all.c | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/accel/tcg/tcg-all.c b/accel/tcg/tcg-all.c index 5125e1a4e2..18ea0c58b0 100644 --- a/accel/tcg/tcg-all.c +++ b/accel/tcg/tcg-all.c @@ -38,6 +38,8 @@ #include "qemu/target-info.h" #ifndef CONFIG_USER_ONLY #include "hw/boards.h" +#include "exec/tb-flush.h" +#include "system/runstate.h" #endif #include "accel/accel-ops.h" #include "accel/accel-cpu-ops.h" @@ -82,6 +84,23 @@ static void tcg_accel_instance_init(Object *obj) bool one_insn_per_tb; +#ifndef CONFIG_USER_ONLY +static void tcg_vm_change_state(void *opaque, bool running, RunState state) +{ + if (state == RUN_STATE_RESTORE_VM) { + /* + * loadvm will update the content of RAM, bypassing the usual + * mechanisms that ensure we flush TBs for writes to memory + * we've translated code from, so we must flush all TBs. + * + * vm_stop() has just stopped all cpus, so we are exclusive. + */ + assert(!running); + tb_flush__exclusive_or_serial(); + } +} +#endif + static int tcg_init_machine(AccelState *as, MachineState *ms) { TCGState *s = TCG_STATE(as); @@ -124,6 +143,8 @@ static int tcg_init_machine(AccelState *as, MachineState *ms) default: g_assert_not_reached(); } + + qemu_add_vm_change_state_handler(tcg_vm_change_state, NULL); #endif tcg_allowed = true; |