[PATCH 14/20] target/ppc: Substitute msr_ir macro with new M_MSR_IR macro

[Víctor Colombo]

Suggested-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Víctor Colombo <victor.colombo@eldorado.org.br>
---
 target/ppc/cpu.h         |  2 +-
 target/ppc/helper_regs.c |  2 +-
 target/ppc/mmu_common.c  | 11 ++++++-----
 3 files changed, 8 insertions(+), 7 deletions(-)

diff --git a/target/ppc/cpu.h b/target/ppc/cpu.h
index e26530fa09..cc0b5d72de 100644
--- a/target/ppc/cpu.h
+++ b/target/ppc/cpu.h
@@ -362,6 +362,7 @@ typedef enum {
 #define M_MSR_PR (1ull << MSR_PR)
 #define M_MSR_FP (1ull << MSR_FP)
 #define M_MSR_ME (1ull << MSR_ME)
+#define M_MSR_IR (1ull << MSR_IR)
 #define M_MSR_DS (1ull << MSR_DS)
 #define M_MSR_LE (1ull << MSR_LE)
 
@@ -483,7 +484,6 @@ typedef enum {
 #define msr_fe0  ((env->msr >> MSR_FE0)  & 1)
 #define msr_fe1  ((env->msr >> MSR_FE1)  & 1)
 #define msr_ep   ((env->msr >> MSR_EP)   & 1)
-#define msr_ir   ((env->msr >> MSR_IR)   & 1)
 #define msr_dr   ((env->msr >> MSR_DR)   & 1)
 #define msr_ts   ((env->msr >> MSR_TS1)  & 3)
 
diff --git a/target/ppc/helper_regs.c b/target/ppc/helper_regs.c
index 2742938abf..fa8f213cd5 100644
--- a/target/ppc/helper_regs.c
+++ b/target/ppc/helper_regs.c
@@ -227,7 +227,7 @@ int hreg_store_msr(CPUPPCState *env, target_ulong value, 
int alter_hv)
         value &= ~MSR_HVB;
         value |= env->msr & MSR_HVB;
     }
-    if (((value >> MSR_IR) & 1) != msr_ir ||
+    if (!(value & env->msr & M_MSR_IR) ||
         ((value >> MSR_DR) & 1) != msr_dr) {
         cpu_interrupt_exittb(cs);
     }
diff --git a/target/ppc/mmu_common.c b/target/ppc/mmu_common.c
index a82649f2ff..918c15f78d 100644
--- a/target/ppc/mmu_common.c
+++ b/target/ppc/mmu_common.c
@@ -388,7 +388,7 @@ static int get_segment_6xx_tlb(CPUPPCState *env, mmu_ctx_t 
*ctx,
                   " nip=" TARGET_FMT_lx " lr=" TARGET_FMT_lx
                   " ir=%d dr=%d pr=%d %d t=%d\n",
                   eaddr, (int)(eaddr >> 28), sr, env->nip, env->lr,
-                  (int)msr_ir, (int)msr_dr, pr ? 1 : 0,
+                  !!(env->msr & M_MSR_IR), (int)msr_dr, pr ? 1 : 0,
                   access_type == MMU_DATA_STORE, type);
     pgidx = (eaddr & ~SEGMENT_MASK_256M) >> target_page_bits;
     hash = vsid ^ pgidx;
@@ -626,7 +626,8 @@ found_tlb:
     }
 
     /* Check the address space */
-    if ((access_type == MMU_INST_FETCH ? msr_ir : msr_dr) != (tlb->attr & 1)) {
+    if ((access_type == MMU_INST_FETCH ?
+        !!(env->msr & M_MSR_IR) : msr_dr) != (tlb->attr & 1)) {
         qemu_log_mask(CPU_LOG_MMU, "%s: AS doesn't match\n", __func__);
         return -1;
     }
@@ -839,7 +840,7 @@ found_tlb:
     if (access_type == MMU_INST_FETCH) {
         /* There is no way to fetch code using epid load */
         assert(!use_epid);
-        as = msr_ir;
+        as = env->msr & M_MSR_IR;
     }
 
     if (as != ((tlb->mas1 & MAS1_TS) >> MAS1_TS_SHIFT)) {
@@ -1169,7 +1170,7 @@ int get_physical_address_wtlb(CPUPPCState *env, mmu_ctx_t 
*ctx,
                                      int mmu_idx)
 {
     int ret = -1;
-    bool real_mode = (type == ACCESS_CODE && msr_ir == 0)
+    bool real_mode = (type == ACCESS_CODE && !(env->msr & M_MSR_IR))
         || (type != ACCESS_CODE && msr_dr == 0);
 
     switch (env->mmu_model) {
@@ -1231,7 +1232,7 @@ static void booke206_update_mas_tlb_miss(CPUPPCState 
*env, target_ulong address,
     bool use_epid = mmubooke206_get_as(env, mmu_idx, &epid, &as, &pr);
 
     if (access_type == MMU_INST_FETCH) {
-        as = msr_ir;
+        as = env->msr & M_MSR_IR;
     }
     env->spr[SPR_BOOKE_MAS0] = env->spr[SPR_BOOKE_MAS4] & MAS4_TLBSELD_MASK;
     env->spr[SPR_BOOKE_MAS1] = env->spr[SPR_BOOKE_MAS4] & MAS4_TSIZED_MASK;
-- 
2.25.1