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Genoa Unknown 486: Reset BIOS memory state on soft reset, fixes hangs on soft reset after saving CMOS Setup.

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This commit is contained in:
OBattler
2024-07-22 18:26:10 +02:00
parent 46db537b74
commit 95894198bf
3 changed files with 12 additions and 5 deletions
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12
src/chipset/compaq_386.c
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@@ -752,7 +752,7 @@ compaq_genoa_outw(uint16_t port, uint16_t val, void *priv)
{
if (port == 0x0c02) {
if (val)
mem_set_mem_state(0x000e0000, 0x00020000, MEM_READ_EXTANY | MEM_WRITE_INTERNAL);
mem_set_mem_state(0x000e0000, 0x00020000, MEM_READ_EXTANY | MEM_WRITE_EXTANY);
else
mem_set_mem_state(0x000e0000, 0x00020000, MEM_READ_INTERNAL | MEM_WRITE_INTERNAL);
@@ -760,6 +760,12 @@ compaq_genoa_outw(uint16_t port, uint16_t val, void *priv)
}
}
static void
compaq_genoa_reset(void *priv)
{
mem_set_mem_state(0x000e0000, 0x00020000, MEM_READ_EXTANY | MEM_WRITE_EXTANY);
}
static void *
compaq_genoa_init(UNUSED(const device_t *info))
{
@@ -787,11 +793,11 @@ const device_t compaq_386_device = {
const device_t compaq_genoa_device = {
.name = "Compaq Genoa Memory Control",
.internal_name = "compaq_genoa",
.flags = 0,
.flags = DEVICE_SOFTRESET,
.local = 0,
.init = compaq_genoa_init,
.close = NULL,
.reset = NULL,
.reset = compaq_genoa_reset,
{ .available = NULL },
.speed_changed = NULL,
.force_redraw = NULL,