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Always allocate 16 more bytes of RAM to mitigate potential segmentation faults on certain accessed by the old recompilers.

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OBattler
2023-08-18 03:16:37 +02:00
parent 44ba846ae6
commit f0ab35132b
1 changed files with 2 additions and 2 deletions
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4
src/mem/mem.c
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@@ -2695,7 +2695,7 @@ mem_reset(void)
} }
memset(ram, 0x00, ram_size); memset(ram, 0x00, ram_size);
ram2_size = m - (1 << 30); ram2_size = m - (1 << 30);
ram2 = (uint8_t *) plat_mmap(ram2_size, 0); /* allocate and clear the RAM block above 1 GB */ ram2 = (uint8_t *) plat_mmap(ram2_size + 16, 0); /* allocate and clear the RAM block above 1 GB */
if (ram2 == NULL) { if (ram2 == NULL) {
if (config_changed == 2) if (config_changed == 2)
fatal(EMU_NAME " must be restarted for the memory amount change to be applied.\n"); fatal(EMU_NAME " must be restarted for the memory amount change to be applied.\n");
@@ -2708,7 +2708,7 @@ mem_reset(void)
#endif #endif
{ {
ram_size = m; ram_size = m;
ram = (uint8_t *) plat_mmap(ram_size, 0); /* allocate and clear the RAM block */ ram = (uint8_t *) plat_mmap(ram_size + 16, 0); /* allocate and clear the RAM block */
if (ram == NULL) { if (ram == NULL) {
fatal("Failed to allocate RAM block. Make sure you have enough RAM available.\n"); fatal("Failed to allocate RAM block. Make sure you have enough RAM available.\n");
return; return;