summaryrefslogtreecommitdiffstats
path: root/hw/kvmvapic.c
diff options
context:
space:
mode:
Diffstat (limited to 'hw/kvmvapic.c')
-rw-r--r--hw/kvmvapic.c20
1 files changed, 16 insertions, 4 deletions
diff --git a/hw/kvmvapic.c b/hw/kvmvapic.c
index dc111ee..e04c401 100644
--- a/hw/kvmvapic.c
+++ b/hw/kvmvapic.c
@@ -384,10 +384,13 @@ static void patch_call(VAPICROMState *s, CPUX86State *env, target_ulong ip,
static void patch_instruction(VAPICROMState *s, CPUX86State *env, target_ulong ip)
{
- hwaddr paddr;
VAPICHandlers *handlers;
uint8_t opcode[2];
uint32_t imm32;
+ TranslationBlock *current_tb;
+ target_ulong current_pc = 0;
+ target_ulong current_cs_base = 0;
+ int current_flags = 0;
if (smp_cpus == 1) {
handlers = &s->rom_state.up;
@@ -395,6 +398,13 @@ static void patch_instruction(VAPICROMState *s, CPUX86State *env, target_ulong i
handlers = &s->rom_state.mp;
}
+ if (!kvm_enabled()) {
+ current_tb = tb_find_pc(env->mem_io_pc);
+ cpu_restore_state(current_tb, env, env->mem_io_pc);
+ cpu_get_tb_cpu_state(env, &current_pc, &current_cs_base,
+ &current_flags);
+ }
+
pause_all_vcpus();
cpu_memory_rw_debug(env, ip, opcode, sizeof(opcode), 0);
@@ -430,9 +440,11 @@ static void patch_instruction(VAPICROMState *s, CPUX86State *env, target_ulong i
resume_all_vcpus();
- paddr = cpu_get_phys_page_debug(env, ip);
- paddr += ip & ~TARGET_PAGE_MASK;
- tb_invalidate_phys_page_range(paddr, paddr + 1, 1);
+ if (!kvm_enabled()) {
+ env->current_tb = NULL;
+ tb_gen_code(env, current_pc, current_cs_base, current_flags, 1);
+ cpu_resume_from_signal(env, NULL);
+ }
}
void vapic_report_tpr_access(DeviceState *dev, void *cpu, target_ulong ip,
OpenPOWER on IntegriCloud