@@ -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)
@@ -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);
}
@@ -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;
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(-)