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Only allocate byte_*_mask for the entire address space on coreboot machines

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This commit is contained in:
RichardG867
2020-04-18 14:49:54 -03:00
parent 1d36621507
commit f86dc3f272
1 changed files with 13 additions and 4 deletions
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17
src/mem.c
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@@ -2465,19 +2465,28 @@ mem_log("MEM: reset: new pages=%08lx, pages_sz=%i\n", pages, pages_sz);
}
#ifdef USE_NEW_DYNAREC
if (machines[machine].flags & MACHINE_COREBOOT) {
/* coreboot executes code from the BIOS area, thus
requiring byte_*_mask for the entire address space,
which significantly increases memory usage. */
c = ((uint64_t) (pages_sz) * MEM_GRANULARITY_SIZE) / 8;
} else {
c = (mem_size * 1024) / 8;
}
if (byte_dirty_mask) {
free(byte_dirty_mask);
byte_dirty_mask = NULL;
}
byte_dirty_mask = malloc(((uint64_t) pages_sz * 4096) / 8);
memset(byte_dirty_mask, 0, ((uint64_t) pages_sz * 4096) / 8);
byte_dirty_mask = malloc(c);
memset(byte_dirty_mask, 0, c);
if (byte_code_present_mask) {
free(byte_code_present_mask);
byte_code_present_mask = NULL;
}
byte_code_present_mask = malloc(((uint64_t) pages_sz * 4096) / 8);
memset(byte_code_present_mask, 0, ((uint64_t) pages_sz * 4096) / 8);
byte_code_present_mask = malloc(c);
memset(byte_code_present_mask, 0, c);
#endif
for (c = 0; c < pages_sz; c++) {