diff options
Diffstat (limited to 'target/cris/mmu.c')
| -rw-r--r-- | target/cris/mmu.c | 13 |
1 files changed, 6 insertions, 7 deletions
diff --git a/target/cris/mmu.c b/target/cris/mmu.c index a279b7f..294de7d 100644 --- a/target/cris/mmu.c +++ b/target/cris/mmu.c @@ -152,15 +152,15 @@ static int cris_mmu_translate_page(struct cris_mmu_result *res, pid = env->pregs[PR_PID] & 0xff; switch (rw) { - case 2: + case MMU_INST_FETCH: rwcause = CRIS_MMU_ERR_EXEC; mmu = 0; break; - case 1: + case MMU_DATA_STORE: rwcause = CRIS_MMU_ERR_WRITE; break; default: - case 0: + case MMU_DATA_LOAD: rwcause = CRIS_MMU_ERR_READ; break; } @@ -219,13 +219,13 @@ static int cris_mmu_translate_page(struct cris_mmu_result *res, vaddr, lo, env->pc)); match = 0; res->bf_vec = vect_base + 2; - } else if (rw == 1 && cfg_w && !tlb_w) { + } else if (rw == MMU_DATA_STORE && cfg_w && !tlb_w) { D(printf("tlb: write protected %x lo=%x pc=%x\n", vaddr, lo, env->pc)); match = 0; /* write accesses never go through the I mmu. */ res->bf_vec = vect_base + 3; - } else if (rw == 2 && cfg_x && !tlb_x) { + } else if (rw == MMU_INST_FETCH && cfg_x && !tlb_x) { D(printf("tlb: exec protected %x lo=%x pc=%x\n", vaddr, lo, env->pc)); match = 0; @@ -329,8 +329,7 @@ int cris_mmu_translate(struct cris_mmu_result *res, old_srs = env->pregs[PR_SRS]; - /* rw == 2 means exec, map the access to the insn mmu. */ - env->pregs[PR_SRS] = rw == 2 ? 1 : 2; + env->pregs[PR_SRS] = rw == MMU_INST_FETCH ? 1 : 2; if (!cris_mmu_enabled(env->sregs[SFR_RW_GC_CFG])) { res->phy = vaddr; |