80486DX2-66/86Box-fork
1
0
Fork 0
Code Issues Pull Requests Activity

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

Browse Source
This commit is contained in:
OBattler
2020-04-22 01:29:14 +02:00
parent d499d63fd1
commit 21f979a748
1 changed files with 5 additions and 3 deletions
Download Patch File Download Diff File Expand all files Collapse all files

8
src/mem.c
View File

@@ -2192,10 +2192,12 @@ mem_set_mem_state_smm(uint32_t base, uint32_t size, int state)
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;
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 (AT) {
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) {
/* 256k+ BIOS'es only have low mappings at E0000-FFFFF. */