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vm/mm.c: convert check_bounds to a macro.

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This commit is contained in:
Henrik Hautakoski 2019-04-23 11:12:37 +02:00
parent 77a7c94451
commit 67a272b715
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GPG key ID: 839F3A7EAFAEAFAA
1 changed files with 7 additions and 8 deletions
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15
vm/mm.c
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@ -31,13 +31,12 @@
int16_t* base_addr = NULL;
uint8_t *memory = NULL;
static void check_bounds(uint16_t addr) {
if (addr > MEM_SIZE) {
fprintf(stderr, EXCEPTION_STRING, addr);
exit(1);
#define __check_bounds(addr) \
if ((addr) > MEM_SIZE) { \
fprintf(stderr, EXCEPTION_STRING, addr);\
exit(1); \
}
}
void mm_init() {
@ -56,14 +55,14 @@ void mm_exit() {
void mm_sw(uint16_t addr, int16_t value) {
check_bounds(addr);
__check_bounds(addr);
base_addr[addr] = value;
}
int16_t mm_lw(uint16_t addr) {
check_bounds(addr);
__check_bounds(addr);
return base_addr[addr];
}