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Diffstat (limited to 'target-ppc/cpu.h')
-rw-r--r--target-ppc/cpu.h24
1 files changed, 20 insertions, 4 deletions
diff --git a/target-ppc/cpu.h b/target-ppc/cpu.h
index 8c081dbec5..20f4565a1a 100644
--- a/target-ppc/cpu.h
+++ b/target-ppc/cpu.h
@@ -941,8 +941,11 @@ struct CPUPPCState {
/* CFAR */
target_ulong cfar;
#endif
- /* XER */
+ /* XER (with SO, OV, CA split out) */
target_ulong xer;
+ target_ulong so;
+ target_ulong ov;
+ target_ulong ca;
/* Reservation address */
target_ulong reserve_addr;
/* Reservation value */
@@ -1268,9 +1271,9 @@ static inline void cpu_clone_regs(CPUPPCState *env, target_ulong newsp)
#define XER_CA 29
#define XER_CMP 8
#define XER_BC 0
-#define xer_so ((env->xer >> XER_SO) & 1)
-#define xer_ov ((env->xer >> XER_OV) & 1)
-#define xer_ca ((env->xer >> XER_CA) & 1)
+#define xer_so (env->so)
+#define xer_ov (env->ov)
+#define xer_ca (env->ca)
#define xer_cmp ((env->xer >> XER_CMP) & 0xFF)
#define xer_bc ((env->xer >> XER_BC) & 0x7F)
@@ -2087,6 +2090,19 @@ enum {
/*****************************************************************************/
+static inline target_ulong cpu_read_xer(CPUPPCState *env)
+{
+ return env->xer | (env->so << XER_SO) | (env->ov << XER_OV) | (env->ca << XER_CA);
+}
+
+static inline void cpu_write_xer(CPUPPCState *env, target_ulong xer)
+{
+ env->so = (xer >> XER_SO) & 1;
+ env->ov = (xer >> XER_OV) & 1;
+ env->ca = (xer >> XER_CA) & 1;
+ env->xer = xer & ~((1u << XER_SO) | (1u << XER_OV) | (1u << XER_CA));
+}
+
static inline void cpu_get_tb_cpu_state(CPUPPCState *env, target_ulong *pc,
target_ulong *cs_base, int *flags)
{