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Cleaner implementation for uc_mem_prot on mmio regions

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lazymio
2022-05-28 23:46:06 +02:00
parent 2a6529348c
commit 289034538d
3 changed files with 4 additions and 22 deletions
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14
uc.c
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@@ -1366,7 +1366,7 @@ uc_err uc_mem_protect(struct uc_struct *uc, uint64_t address, size_t size,
uint64_t addr = address;
uint64_t pc;
size_t count, len;
mmio_cbs* new_cb;
mmio_cbs *mmio;
bool remove_exec = false;
UC_INIT(uc);
@@ -1422,20 +1422,12 @@ uc_err uc_mem_protect(struct uc_struct *uc, uint64_t address, size_t size,
uc->readonly_mem(mr, (perms & UC_PROT_WRITE) == 0);
} else {
if(!split_mmio_region(uc, mr, addr, len, false)) {
if (!split_mmio_region(uc, mr, addr, len, false)) {
return UC_ERR_NOMEM;
}
mr = memory_mapping(uc, addr);
new_cb = (mmio_cbs*)mr->opaque;
if (!(perms & UC_PROT_READ)) {
new_cb->read = NULL;
}
if (!(perms & UC_PROT_WRITE)) {
new_cb->write = NULL;
}
mr->perms = perms;
}
count += len;