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mips32-nemu: small refactor

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This commit is contained in:
Zihao Yu 2022-11-15 15:24:32 +08:00
parent 5051c13e02
commit ff88f398bc
2 changed files with 2 additions and 5 deletions
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2
am/src/mips/nemu/cte.c
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@ -4,8 +4,6 @@
static Context* (*user_handler)(Event, Context*) = NULL; static Context* (*user_handler)(Event, Context*) = NULL;
static inline bool get_CU0(Context *c) { return (c->status >> 28) & 0x1; }
Context* __am_irq_handle(Context *c) { Context* __am_irq_handle(Context *c) {
if (user_handler) { if (user_handler) {
Event ev = {0}; Event ev = {0};

5
am/src/mips/nemu/vme.c
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@ -6,12 +6,12 @@
static void* (*pgalloc_usr)(int) = NULL; static void* (*pgalloc_usr)(int) = NULL;
static void (*pgfree_usr)(void*) = NULL; static void (*pgfree_usr)(void*) = NULL;
static int vme_enable = 0; static int vme_enable = 0;
static PTE *cur_pdir = NULL;
bool vme_init(void* (*pgalloc_f)(int), void (*pgfree_f)(void*)) { bool vme_init(void* (*pgalloc_f)(int), void (*pgfree_f)(void*)) {
pgalloc_usr = pgalloc_f; pgalloc_usr = pgalloc_f;
pgfree_usr = pgfree_f; pgfree_usr = pgfree_f;
vme_enable = 1; vme_enable = 1;
return true; return true;
} }
@ -24,9 +24,8 @@ void protect(AddrSpace *as) {
void unprotect(AddrSpace *as) { void unprotect(AddrSpace *as) {
} }
static PTE *cur_pdir = NULL;
void __am_get_cur_as(Context *c) { void __am_get_cur_as(Context *c) {
c->pdir = cur_pdir; c->pdir = (vme_enable ? cur_pdir : NULL);
} }
void __am_switch(Context *c) { void __am_switch(Context *c) {