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A fix in mem_add_bios() to make non-AT+ machines not segmentation fault the emulator on startup.

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OBattler
2020-04-22 01:29:14 +02:00
parent d499d63fd1
commit 21f979a748
1 changed files with 5 additions and 3 deletions
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8
src/mem.c
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@@ -2192,10 +2192,12 @@ mem_set_mem_state_smm(uint32_t base, uint32_t size, int state)
void void
mem_add_bios(void) mem_add_bios(void)
{ {
int temp_cpu_type, temp_cpu_16bitbus; int temp_cpu_type, temp_cpu_16bitbus = 1;
temp_cpu_type = machines[machine].cpu[cpu_manufacturer].cpus[cpu_effective].cpu_type; if (AT) {
temp_cpu_16bitbus = (temp_cpu_type == CPU_286 || temp_cpu_type == CPU_386SX || temp_cpu_type == CPU_486SLC || temp_cpu_type == CPU_IBM386SLC || temp_cpu_type == CPU_IBM486SLC ); temp_cpu_type = machines[machine].cpu[cpu_manufacturer].cpus[cpu_effective].cpu_type;
temp_cpu_16bitbus = (temp_cpu_type == CPU_286 || temp_cpu_type == CPU_386SX || temp_cpu_type == CPU_486SLC || temp_cpu_type == CPU_IBM386SLC || temp_cpu_type == CPU_IBM486SLC );
}
if (biosmask > 0x1ffff) { if (biosmask > 0x1ffff) {
/* 256k+ BIOS'es only have low mappings at E0000-FFFFF. */ /* 256k+ BIOS'es only have low mappings at E0000-FFFFF. */