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target/sh4: Replace magic value by MMUAccessType definitions

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Replace the 0/1/2 magic values by the corresponding MMUAccessType.

Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20210127232151.3523581-3-f4bug@amsat.org>
This commit is contained in:
Philippe Mathieu-Daudé 2021-01-27 23:56:42 +01:00
parent 8d2b06fbc2
commit 53e047c2db
1 changed files with 8 additions and 8 deletions
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16
target/sh4/helper.c
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@ -338,7 +338,7 @@ static int get_mmu_address(CPUSH4State * env, target_ulong * physical,
use_asid = !(env->mmucr & MMUCR_SV) || !(env->sr & (1u << SR_MD));
if (rw == 2) {
if (rw == MMU_INST_FETCH) {
n = find_itlb_entry(env, address, use_asid);
if (n >= 0) {
matching = &env->itlb[n];
@ -371,11 +371,11 @@ static int get_mmu_address(CPUSH4State * env, target_ulong * physical,
if (n >= 0) {
matching = &env->utlb[n];
if (!(env->sr & (1u << SR_MD)) && !(matching->pr & 2)) {
n = (rw == 1)
n = (rw == MMU_DATA_STORE)
? MMU_DTLB_VIOLATION_WRITE : MMU_DTLB_VIOLATION_READ;
} else if ((rw == 1) && !(matching->pr & 1)) {
} else if ((rw == MMU_DATA_STORE) && !(matching->pr & 1)) {
n = MMU_DTLB_VIOLATION_WRITE;
} else if ((rw == 1) && !matching->d) {
} else if ((rw == MMU_DATA_STORE) && !matching->d) {
n = MMU_DTLB_INITIAL_WRITE;
} else {
*prot = PAGE_READ;
@ -384,7 +384,7 @@ static int get_mmu_address(CPUSH4State * env, target_ulong * physical,
}
}
} else if (n == MMU_DTLB_MISS) {
n = (rw == 1)
n = (rw == MMU_DATA_STORE)
? MMU_DTLB_MISS_WRITE : MMU_DTLB_MISS_READ;
}
}
@ -406,9 +406,9 @@ static int get_physical_address(CPUSH4State * env, target_ulong * physical,
&& (address < 0xe0000000 || address >= 0xe4000000)) {
/* Unauthorized access in user mode (only store queues are available) */
qemu_log_mask(LOG_GUEST_ERROR, "Unauthorized access\n");
if (rw == 0) {
if (rw == MMU_DATA_LOAD) {
return MMU_DADDR_ERROR_READ;
} else if (rw == 1) {
} else if (rw == MMU_DATA_STORE) {
return MMU_DADDR_ERROR_WRITE;
} else {
return MMU_IADDR_ERROR;
@ -441,7 +441,7 @@ hwaddr superh_cpu_get_phys_page_debug(CPUState *cs, vaddr addr)
target_ulong physical;
int prot;
get_physical_address(&cpu->env, &physical, &prot, addr, 0, 0);
get_physical_address(&cpu->env, &physical, &prot, addr, MMU_DATA_LOAD, 0);
return physical;
}