Merge remote-tracking branch 'sstabellini/xen-2013-09-25' into staging

[qemu.git] / cpu-exec.c

diff --git a/cpu-exec.c b/cpu-exec.c
index 503b103c3d903a4e6797e506986d8942bd6ce2bb..5a4399509e686b7c499295146f32cb39de31266a 100644 (file)
--- a/cpu-exec.c
+++ b/cpu-exec.c
@@ -53,14 +53,20 @@ void cpu_resume_from_signal(CPUArchState *env, void *puc)
 static inline tcg_target_ulong cpu_tb_exec(CPUState *cpu, uint8_t *tb_ptr)
 {
     CPUArchState *env = cpu->env_ptr;
-    tcg_target_ulong next_tb = tcg_qemu_tb_exec(env, tb_ptr);
+    uintptr_t next_tb = tcg_qemu_tb_exec(env, tb_ptr);
     if ((next_tb & TB_EXIT_MASK) > TB_EXIT_IDX1) {
         /* We didn't start executing this TB (eg because the instruction
          * counter hit zero); we must restore the guest PC to the address
          * of the start of the TB.
          */
+        CPUClass *cc = CPU_GET_CLASS(cpu);
         TranslationBlock *tb = (TranslationBlock *)(next_tb & ~TB_EXIT_MASK);
-        cpu_pc_from_tb(env, tb);
+        if (cc->synchronize_from_tb) {
+            cc->synchronize_from_tb(cpu, tb);
+        } else {
+            assert(cc->set_pc);
+            cc->set_pc(cpu, tb->pc);
+        }
     }
     if ((next_tb & TB_EXIT_MASK) == TB_EXIT_REQUESTED) {
         /* We were asked to stop executing TBs (probably a pending
@@ -203,7 +209,7 @@ int cpu_exec(CPUArchState *env)
     int ret, interrupt_request;
     TranslationBlock *tb;
     uint8_t *tc_ptr;
-    tcg_target_ulong next_tb;
+    uintptr_t next_tb;
 
     if (cpu->halted) {
         if (!cpu_has_work(cpu)) {
@@ -291,7 +297,7 @@ int cpu_exec(CPUArchState *env)
             for(;;) {
                 interrupt_request = cpu->interrupt_request;
                 if (unlikely(interrupt_request)) {
-                    if (unlikely(env->singlestep_enabled & SSTEP_NOIRQ)) {
+                    if (unlikely(cpu->singlestep_enabled & SSTEP_NOIRQ)) {
                         /* Mask out external interrupts for this step. */
                         interrupt_request &= ~CPU_INTERRUPT_SSTEP_MASK;
                     }
@@ -331,7 +337,7 @@ int cpu_exec(CPUArchState *env)
                             cpu_svm_check_intercept_param(env, SVM_EXIT_SMI,
                                                           0);
                             cpu->interrupt_request &= ~CPU_INTERRUPT_SMI;
-                            do_smm_enter(env);
+                            do_smm_enter(x86_env_get_cpu(env));
                             next_tb = 0;
                         } else if ((interrupt_request & CPU_INTERRUPT_NMI) &&
                                    !(env->hflags2 & HF2_NMI_MASK)) {
@@ -577,15 +583,15 @@ int cpu_exec(CPUArchState *env)
                 if (qemu_loglevel_mask(CPU_LOG_TB_CPU)) {
                     /* restore flags in standard format */
 #if defined(TARGET_I386)
-                    log_cpu_state(env, CPU_DUMP_CCOP);
+                    log_cpu_state(cpu, CPU_DUMP_CCOP);
 #elif defined(TARGET_M68K)
                     cpu_m68k_flush_flags(env, env->cc_op);
                     env->cc_op = CC_OP_FLAGS;
                     env->sr = (env->sr & 0xffe0)
                               | env->cc_dest | (env->cc_x << 4);
-                    log_cpu_state(env, 0);
+                    log_cpu_state(cpu, 0);
 #else
-                    log_cpu_state(env, 0);
+                    log_cpu_state(cpu, 0);
 #endif
                 }
 #endif /* DEBUG_DISAS */