cpu: Move icount_decr field from CPU_COMMON to CPUState

Signed-off-by: Andreas Färber <afaerber@suse.de>

3 files changed, 23 insertions, 22 deletions

diff --git a/include/exec/cpu-defs.h b/include/exec/cpu-defs.h
index 8f9871c..d036e8e 100644
--- a/include/exec/cpu-defs.h
+++ b/include/exec/cpu-defs.h
@@ -118,18 +118,6 @@ QEMU_BUILD_BUG_ON(sizeof(CPUTLBEntry) != (1 << CPU_TLB_ENTRY_BITS));
 #endif
 
 
-#ifdef HOST_WORDS_BIGENDIAN
-typedef struct icount_decr_u16 {
-    uint16_t high;
-    uint16_t low;
-} icount_decr_u16;
-#else
-typedef struct icount_decr_u16 {
-    uint16_t low;
-    uint16_t high;
-} icount_decr_u16;
-#endif
-
 typedef struct CPUBreakpoint {
     target_ulong pc;
     int flags; /* BP_* */
@@ -149,14 +137,6 @@ typedef struct CPUWatchpoint {
     CPU_COMMON_TLB                                                      \
     struct TranslationBlock *tb_jmp_cache[TB_JMP_CACHE_SIZE];           \
                                                                         \
-    /* Number of cycles left, with interrupt flag in high bit.          \
-       This allows a single read-compare-cbranch-write sequence to test \
-       for both decrementer underflow and exceptions.  */               \
-    union {                                                             \
-        uint32_t u32;                                                   \
-        icount_decr_u16 u16;                                            \
-    } icount_decr;                                                      \
-                                                                        \
     /* from this point: preserved by CPU reset */                       \
     /* ice debug support */                                             \
     QTAILQ_HEAD(breakpoints_head, CPUBreakpoint) breakpoints;            \
diff --git a/include/exec/gen-icount.h b/include/exec/gen-icount.h
index f0dace3..da53395 100644
--- a/include/exec/gen-icount.h
+++ b/include/exec/gen-icount.h
@@ -26,13 +26,15 @@ static inline void gen_tb_start(void)
 
     icount_label = gen_new_label();
     count = tcg_temp_local_new_i32();
-    tcg_gen_ld_i32(count, cpu_env, offsetof(CPUArchState, icount_decr.u32));
+    tcg_gen_ld_i32(count, cpu_env,
+                   -ENV_OFFSET + offsetof(CPUState, icount_decr.u32));
     /* This is a horrid hack to allow fixing up the value later.  */
     icount_arg = tcg_ctx.gen_opparam_ptr + 1;
     tcg_gen_subi_i32(count, count, 0xdeadbeef);
 
     tcg_gen_brcondi_i32(TCG_COND_LT, count, 0, icount_label);
-    tcg_gen_st16_i32(count, cpu_env, offsetof(CPUArchState, icount_decr.u16.low));
+    tcg_gen_st16_i32(count, cpu_env,
+                     -ENV_OFFSET + offsetof(CPUState, icount_decr.u16.low));
     tcg_temp_free_i32(count);
 }
 
diff --git a/include/qom/cpu.h b/include/qom/cpu.h
index 012a7e6..3156b16 100644
--- a/include/qom/cpu.h
+++ b/include/qom/cpu.h
@@ -138,6 +138,18 @@ typedef struct CPUClass {
     const char *gdb_core_xml_file;
 } CPUClass;
 
+#ifdef HOST_WORDS_BIGENDIAN
+typedef struct icount_decr_u16 {
+    uint16_t high;
+    uint16_t low;
+} icount_decr_u16;
+#else
+typedef struct icount_decr_u16 {
+    uint16_t low;
+    uint16_t high;
+} icount_decr_u16;
+#endif
+
 struct KVMState;
 struct kvm_run;
 
@@ -158,6 +170,9 @@ struct kvm_run;
  *           CPU and return to its top level loop.
  * @singlestep_enabled: Flags for single-stepping.
  * @icount_extra: Instructions until next timer event.
+ * @icount_decr: Number of cycles left, with interrupt flag in high bit.
+ * This allows a single read-compare-cbranch-write sequence to test
+ * for both decrementer underflow and exceptions.
  * @can_do_io: Nonzero if memory-mapped IO is safe.
  * @env_ptr: Pointer to subclass-specific CPUArchState field.
  * @current_tb: Currently executing TB.
@@ -223,6 +238,10 @@ struct CPUState {
     /* TODO Move common fields from CPUArchState here. */
     int cpu_index; /* used by alpha TCG */
     uint32_t halted; /* used by alpha, cris, ppc TCG */
+    union {
+        uint32_t u32;
+        icount_decr_u16 u16;
+    } icount_decr;
     uint32_t can_do_io;
 };