Clean up of some target specifics in exec.c/cpu-exec.c.

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@2936 c046a42c-6fe2-441c-8c8c-71466251a162

1 files changed, 14 insertions, 0 deletions

diff --git a/target-arm/exec.h b/target-arm/exec.h
index d99dfa5..b25c7e2 100644
--- a/target-arm/exec.h
+++ b/target-arm/exec.h
@@ -48,6 +48,20 @@ static inline void regs_to_env(void)
 int cpu_arm_handle_mmu_fault (CPUState *env, target_ulong address, int rw,
                               int is_user, int is_softmmu);
 
+static inline int cpu_halted(CPUState *env) {
+    if (!env->halted)
+        return 0;
+    /* An interrupt wakes the CPU even if the I and F CPSR bits are
+       set.  We use EXITTB to silently wake CPU without causing an
+       actual interrupt.  */
+    if (env->interrupt_request &
+        (CPU_INTERRUPT_FIQ | CPU_INTERRUPT_HARD | CPU_INTERRUPT_EXITTB)) {
+        env->halted = 0;
+        return 0;
+    }
+    return EXCP_HALTED;
+}
+
 #if !defined(CONFIG_USER_ONLY)
 #include "softmmu_exec.h"
 #endif