summaryrefslogtreecommitdiff
path: root/target/cris
diff options
context:
space:
mode:
authorPhilippe Mathieu-Daudé <f4bug@amsat.org>2021-01-28 01:32:23 +0100
committerEdgar E. Iglesias <edgar.iglesias@xilinx.com>2021-02-22 09:04:58 +0100
commit91ab6d46960256d21c6c01a1f5948bf1336aa15c (patch)
tree4fb1a1429a62d1fd657e994db37ba917145537b6 /target/cris
parentc0ff662fabb9bbf79c6518d34f6163567aa4ab44 (diff)
target/cris: Let cris_mmu_translate() use MMUAccessType access_type
All callers of cris_mmu_translate() provide a MMUAccessType type. Let the prototype use it as argument, as it is stricter than an integer. We can remove the documentation as enum names are self explicit. Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Reviewed-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com> Message-Id: <20210128003223.3561108-3-f4bug@amsat.org> Signed-off-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com>
Diffstat (limited to 'target/cris')
-rw-r--r--target/cris/mmu.c24
-rw-r--r--target/cris/mmu.h2
2 files changed, 13 insertions, 13 deletions
diff --git a/target/cris/mmu.c b/target/cris/mmu.c
index 294de7dffd..b574ec6e5b 100644
--- a/target/cris/mmu.c
+++ b/target/cris/mmu.c
@@ -129,10 +129,10 @@ static void dump_tlb(CPUCRISState *env, int mmu)
}
#endif
-/* rw 0 = read, 1 = write, 2 = exec. */
static int cris_mmu_translate_page(struct cris_mmu_result *res,
- CPUCRISState *env, uint32_t vaddr,
- int rw, int usermode, int debug)
+ CPUCRISState *env, uint32_t vaddr,
+ MMUAccessType access_type,
+ int usermode, int debug)
{
unsigned int vpage;
unsigned int idx;
@@ -151,7 +151,7 @@ static int cris_mmu_translate_page(struct cris_mmu_result *res,
r_cfg = env->sregs[SFR_RW_MM_CFG];
pid = env->pregs[PR_PID] & 0xff;
- switch (rw) {
+ switch (access_type) {
case MMU_INST_FETCH:
rwcause = CRIS_MMU_ERR_EXEC;
mmu = 0;
@@ -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 == MMU_DATA_STORE && cfg_w && !tlb_w) {
+ } else if (access_type == 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 == MMU_INST_FETCH && cfg_x && !tlb_x) {
+ } else if (access_type == MMU_INST_FETCH && cfg_x && !tlb_x) {
D(printf("tlb: exec protected %x lo=%x pc=%x\n",
vaddr, lo, env->pc));
match = 0;
@@ -272,9 +272,9 @@ static int cris_mmu_translate_page(struct cris_mmu_result *res,
D(printf("refill vaddr=%x pc=%x\n", vaddr, env->pc));
}
- D(printf("%s rw=%d mtch=%d pc=%x va=%x vpn=%x tlbvpn=%x pfn=%x pid=%x"
+ D(printf("%s access=%u mtch=%d pc=%x va=%x vpn=%x tlbvpn=%x pfn=%x pid=%x"
" %x cause=%x sel=%x sp=%x %x %x\n",
- __func__, rw, match, env->pc,
+ __func__, access_type, match, env->pc,
vaddr, vpage,
tlb_vpn, tlb_pfn, tlb_pid,
pid,
@@ -319,8 +319,8 @@ void cris_mmu_flush_pid(CPUCRISState *env, uint32_t pid)
}
int cris_mmu_translate(struct cris_mmu_result *res,
- CPUCRISState *env, uint32_t vaddr,
- int rw, int mmu_idx, int debug)
+ CPUCRISState *env, uint32_t vaddr,
+ MMUAccessType access_type, int mmu_idx, int debug)
{
int seg;
int miss = 0;
@@ -329,7 +329,7 @@ int cris_mmu_translate(struct cris_mmu_result *res,
old_srs = env->pregs[PR_SRS];
- env->pregs[PR_SRS] = rw == MMU_INST_FETCH ? 1 : 2;
+ env->pregs[PR_SRS] = access_type == MMU_INST_FETCH ? 1 : 2;
if (!cris_mmu_enabled(env->sregs[SFR_RW_GC_CFG])) {
res->phy = vaddr;
@@ -346,7 +346,7 @@ int cris_mmu_translate(struct cris_mmu_result *res,
res->phy = base | (0x0fffffff & vaddr);
res->prot = PAGE_BITS;
} else {
- miss = cris_mmu_translate_page(res, env, vaddr, rw,
+ miss = cris_mmu_translate_page(res, env, vaddr, access_type,
is_user, debug);
}
done:
diff --git a/target/cris/mmu.h b/target/cris/mmu.h
index 9ab1642b96..d57386ec6c 100644
--- a/target/cris/mmu.h
+++ b/target/cris/mmu.h
@@ -17,6 +17,6 @@ void cris_mmu_init(CPUCRISState *env);
void cris_mmu_flush_pid(CPUCRISState *env, uint32_t pid);
int cris_mmu_translate(struct cris_mmu_result *res,
CPUCRISState *env, uint32_t vaddr,
- int rw, int mmu_idx, int debug);
+ MMUAccessType access_type, int mmu_idx, int debug);
#endif