From 27103424c40ce71053c07d8a54ef431365fa9b7f Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Andreas=20F=C3=A4rber?= <afaerber@suse.de>
Date: Mon, 26 Aug 2013 08:31:06 +0200
Subject: cpu: Move exception_index field from CPU_COMMON to CPUState
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Signed-off-by: Andreas Färber <afaerber@suse.de>
---
 target-m68k/helper.c    |  2 +-
 target-m68k/op_helper.c | 22 ++++++++++------------
 target-m68k/qregs.def   |  1 -
 target-m68k/translate.c |  5 +++++
 4 files changed, 16 insertions(+), 14 deletions(-)

(limited to 'target-m68k')

diff --git a/target-m68k/helper.c b/target-m68k/helper.c
index 0ffb861d08..fb43b81505 100644
--- a/target-m68k/helper.c
+++ b/target-m68k/helper.c
@@ -282,7 +282,7 @@ int m68k_cpu_handle_mmu_fault(CPUState *cs, vaddr address, int rw,
 {
     M68kCPU *cpu = M68K_CPU(cs);
 
-    cpu->env.exception_index = EXCP_ACCESS;
+    cs->exception_index = EXCP_ACCESS;
     cpu->env.mmu.ar = address;
     return 1;
 }
diff --git a/target-m68k/op_helper.c b/target-m68k/op_helper.c
index 539d1d6724..930d7c8d04 100644
--- a/target-m68k/op_helper.c
+++ b/target-m68k/op_helper.c
@@ -23,10 +23,7 @@
 
 void m68k_cpu_do_interrupt(CPUState *cs)
 {
-    M68kCPU *cpu = M68K_CPU(cs);
-    CPUM68KState *env = &cpu->env;
-
-    env->exception_index = -1;
+    cs->exception_index = -1;
 }
 
 void do_interrupt_m68k_hardirq(CPUM68KState *env)
@@ -88,7 +85,7 @@ static void do_rte(CPUM68KState *env)
 
 static void do_interrupt_all(CPUM68KState *env, int is_hw)
 {
-    CPUState *cs;
+    CPUState *cs = CPU(m68k_env_get_cpu(env));
     uint32_t sp;
     uint32_t fmt;
     uint32_t retaddr;
@@ -98,7 +95,7 @@ static void do_interrupt_all(CPUM68KState *env, int is_hw)
     retaddr = env->pc;
 
     if (!is_hw) {
-        switch (env->exception_index) {
+        switch (cs->exception_index) {
         case EXCP_RTE:
             /* Return from an exception.  */
             do_rte(env);
@@ -113,20 +110,19 @@ static void do_interrupt_all(CPUM68KState *env, int is_hw)
                 do_m68k_semihosting(env, env->dregs[0]);
                 return;
             }
-            cs = CPU(m68k_env_get_cpu(env));
             cs->halted = 1;
-            env->exception_index = EXCP_HLT;
+            cs->exception_index = EXCP_HLT;
             cpu_loop_exit(env);
             return;
         }
-        if (env->exception_index >= EXCP_TRAP0
-            && env->exception_index <= EXCP_TRAP15) {
+        if (cs->exception_index >= EXCP_TRAP0
+            && cs->exception_index <= EXCP_TRAP15) {
             /* Move the PC after the trap instruction.  */
             retaddr += 2;
         }
     }
 
-    vector = env->exception_index << 2;
+    vector = cs->exception_index << 2;
 
     sp = env->aregs[7];
 
@@ -169,7 +165,9 @@ void do_interrupt_m68k_hardirq(CPUM68KState *env)
 
 static void raise_exception(CPUM68KState *env, int tt)
 {
-    env->exception_index = tt;
+    CPUState *cs = CPU(m68k_env_get_cpu(env));
+
+    cs->exception_index = tt;
     cpu_loop_exit(env);
 }
 
diff --git a/target-m68k/qregs.def b/target-m68k/qregs.def
index 4235b02764..204663e1aa 100644
--- a/target-m68k/qregs.def
+++ b/target-m68k/qregs.def
@@ -7,6 +7,5 @@ DEFO32(CC_SRC, cc_src)
 DEFO32(CC_X, cc_x)
 DEFO32(DIV1, div1)
 DEFO32(DIV2, div2)
-DEFO32(EXCEPTION, exception_index)
 DEFO32(MACSR, macsr)
 DEFO32(MAC_MASK, mac_mask)
diff --git a/target-m68k/translate.c b/target-m68k/translate.c
index f747c13d5f..4f06443532 100644
--- a/target-m68k/translate.c
+++ b/target-m68k/translate.c
@@ -43,6 +43,7 @@
 #undef DEFF64
 
 static TCGv_i32 cpu_halted;
+static TCGv_i32 cpu_exception_index;
 
 static TCGv_ptr cpu_env;
 
@@ -81,6 +82,10 @@ void m68k_tcg_init(void)
     cpu_halted = tcg_global_mem_new_i32(TCG_AREG0,
                                         -offsetof(M68kCPU, env) +
                                         offsetof(CPUState, halted), "HALTED");
+    cpu_exception_index = tcg_global_mem_new_i32(TCG_AREG0,
+                                                 -offsetof(M68kCPU, env) +
+                                                 offsetof(CPUState, exception_index),
+                                                 "EXCEPTION");
 
     cpu_env = tcg_global_reg_new_ptr(TCG_AREG0, "env");
 
-- 
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