target-arm: Handle UNDEF cases for Neon 2 regs + scalar forms

[qemu.git] / cpu-exec.c

diff --git a/cpu-exec.c b/cpu-exec.c
index 8c9fb8b1a2176eb6b8b458d235e248a97b8eb855..5d6c9a8a1c22a2526c7c5ac30efb592111101ebb 100644 (file)
--- a/cpu-exec.c
+++ b/cpu-exec.c
@@ -210,12 +210,14 @@ static void cpu_handle_debug_exception(CPUState *env)
 {
     CPUWatchpoint *wp;
 
-    if (!env->watchpoint_hit)
-        QTAILQ_FOREACH(wp, &env->watchpoints, entry)
+    if (!env->watchpoint_hit) {
+        QTAILQ_FOREACH(wp, &env->watchpoints, entry) {
             wp->flags &= ~BP_WATCHPOINT_HIT;
-
-    if (debug_excp_handler)
+        }
+    }
+    if (debug_excp_handler) {
         debug_excp_handler(env);
+    }
 }
 
 /* main execution loop */
@@ -230,8 +232,13 @@ int cpu_exec(CPUState *env1)
     uint8_t *tc_ptr;
     unsigned long next_tb;
 
-    if (cpu_halted(env1) == EXCP_HALTED)
-        return EXCP_HALTED;
+    if (env1->halted) {
+        if (!cpu_has_work(env1)) {
+            return EXCP_HALTED;
+        }
+
+        env1->halted = 0;
+    }
 
     cpu_single_env = env1;
 
@@ -248,13 +255,11 @@ int cpu_exec(CPUState *env1)
     }
 
 #if defined(TARGET_I386)
-    if (!kvm_enabled()) {
-        /* put eflags in CPU temporary format */
-        CC_SRC = env->eflags & (CC_O | CC_S | CC_Z | CC_A | CC_P | CC_C);
-        DF = 1 - (2 * ((env->eflags >> 10) & 1));
-        CC_OP = CC_OP_EFLAGS;
-        env->eflags &= ~(DF_MASK | CC_O | CC_S | CC_Z | CC_A | CC_P | CC_C);
-    }
+    /* put eflags in CPU temporary format */
+    CC_SRC = env->eflags & (CC_O | CC_S | CC_Z | CC_A | CC_P | CC_C);
+    DF = 1 - (2 * ((env->eflags >> 10) & 1));
+    CC_OP = CC_OP_EFLAGS;
+    env->eflags &= ~(DF_MASK | CC_O | CC_S | CC_Z | CC_A | CC_P | CC_C);
 #elif defined(TARGET_SPARC)
 #elif defined(TARGET_M68K)
     env->cc_op = CC_OP_FLAGS;
@@ -262,7 +267,9 @@ int cpu_exec(CPUState *env1)
     env->cc_x = (env->sr >> 4) & 1;
 #elif defined(TARGET_ALPHA)
 #elif defined(TARGET_ARM)
+#elif defined(TARGET_UNICORE32)
 #elif defined(TARGET_PPC)
+#elif defined(TARGET_LM32)
 #elif defined(TARGET_MICROBLAZE)
 #elif defined(TARGET_MIPS)
 #elif defined(TARGET_SH4)
@@ -279,7 +286,7 @@ int cpu_exec(CPUState *env1)
         if (setjmp(env->jmp_env) == 0) {
 #if defined(__sparc__) && !defined(CONFIG_SOLARIS)
 #undef env
-                    env = cpu_single_env;
+            env = cpu_single_env;
 #define env cpu_single_env
 #endif
             /* if an exception is pending, we execute it here */
@@ -287,8 +294,9 @@ int cpu_exec(CPUState *env1)
                 if (env->exception_index >= EXCP_INTERRUPT) {
                     /* exit request from the cpu execution loop */
                     ret = env->exception_index;
-                    if (ret == EXCP_DEBUG)
+                    if (ret == EXCP_DEBUG) {
                         cpu_handle_debug_exception(env);
+                    }
                     break;
                 } else {
 #if defined(CONFIG_USER_ONLY)
@@ -318,6 +326,8 @@ int cpu_exec(CPUState *env1)
                     env->old_exception = -1;
 #elif defined(TARGET_PPC)
                     do_interrupt(env);
+#elif defined(TARGET_LM32)
+                    do_interrupt(env);
 #elif defined(TARGET_MICROBLAZE)
                     do_interrupt(env);
 #elif defined(TARGET_MIPS)
@@ -326,6 +336,8 @@ int cpu_exec(CPUState *env1)
                     do_interrupt(env);
 #elif defined(TARGET_ARM)
                     do_interrupt(env);
+#elif defined(TARGET_UNICORE32)
+                    do_interrupt(env);
 #elif defined(TARGET_SH4)
                    do_interrupt(env);
 #elif defined(TARGET_ALPHA)
@@ -340,11 +352,6 @@ int cpu_exec(CPUState *env1)
                 }
             }
 
-            if (kvm_enabled()) {
-                kvm_cpu_exec(env);
-                longjmp(env->jmp_env, 1);
-            }
-
             next_tb = 0; /* force lookup of first TB */
             for(;;) {
                 interrupt_request = env->interrupt_request;
@@ -363,7 +370,7 @@ int cpu_exec(CPUState *env1)
                     }
 #if defined(TARGET_ARM) || defined(TARGET_SPARC) || defined(TARGET_MIPS) || \
     defined(TARGET_PPC) || defined(TARGET_ALPHA) || defined(TARGET_CRIS) || \
-    defined(TARGET_MICROBLAZE)
+    defined(TARGET_MICROBLAZE) || defined(TARGET_LM32) || defined(TARGET_UNICORE32)
                     if (interrupt_request & CPU_INTERRUPT_HALT) {
                         env->interrupt_request &= ~CPU_INTERRUPT_HALT;
                         env->halted = 1;
@@ -443,6 +450,13 @@ int cpu_exec(CPUState *env1)
                             env->interrupt_request &= ~CPU_INTERRUPT_HARD;
                         next_tb = 0;
                     }
+#elif defined(TARGET_LM32)
+                    if ((interrupt_request & CPU_INTERRUPT_HARD)
+                        && (env->ie & IE_IE)) {
+                        env->exception_index = EXCP_IRQ;
+                        do_interrupt(env);
+                        next_tb = 0;
+                    }
 #elif defined(TARGET_MICROBLAZE)
                     if ((interrupt_request & CPU_INTERRUPT_HARD)
                         && (env->sregs[SR_MSR] & MSR_IE)
@@ -503,6 +517,12 @@ int cpu_exec(CPUState *env1)
                         do_interrupt(env);
                         next_tb = 0;
                     }
+#elif defined(TARGET_UNICORE32)
+                    if (interrupt_request & CPU_INTERRUPT_HARD
+                        && !(env->uncached_asr & ASR_I)) {
+                        do_interrupt(env);
+                        next_tb = 0;
+                    }
 #elif defined(TARGET_SH4)
                     if (interrupt_request & CPU_INTERRUPT_HARD) {
                         do_interrupt(env);
@@ -653,8 +673,10 @@ int cpu_exec(CPUState *env1)
     env->eflags = env->eflags | helper_cc_compute_all(CC_OP) | (DF & DF_MASK);
 #elif defined(TARGET_ARM)
     /* XXX: Save/restore host fpu exception state?.  */
+#elif defined(TARGET_UNICORE32)
 #elif defined(TARGET_SPARC)
 #elif defined(TARGET_PPC)
+#elif defined(TARGET_LM32)
 #elif defined(TARGET_M68K)
     cpu_m68k_flush_flags(env, env->cc_op);
     env->cc_op = CC_OP_FLAGS;