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-rw-r--r--hw/isa/vt82c686.c11
1 files changed, 6 insertions, 5 deletions
diff --git a/hw/isa/vt82c686.c b/hw/isa/vt82c686.c
index 766584c..5db9b17 100644
--- a/hw/isa/vt82c686.c
+++ b/hw/isa/vt82c686.c
@@ -260,12 +260,13 @@ static void superio_cfg_write(void *opaque, hwaddr addr, uint64_t data,
SuperIOConfig *sc = opaque;
uint8_t idx = sc->regs[0];
- if (addr == 0x3f0) { /* config index register */
- idx = data & 0xff;
+ if (addr == 0) { /* config index register */
+ sc->regs[0] = data;
return;
}
- /* 0x3f1, config data register */
- trace_via_superio_write(idx, data & 0xff);
+
+ /* config data register */
+ trace_via_superio_write(idx, data);
switch (idx) {
case 0x00 ... 0xdf:
case 0xe4:
@@ -284,7 +285,7 @@ static void superio_cfg_write(void *opaque, hwaddr addr, uint64_t data,
"via_superio_cfg: unimplemented register 0x%x\n", idx);
break;
}
- sc->regs[idx] = data & 0xff;
+ sc->regs[idx] = data;
}
static uint64_t superio_cfg_read(void *opaque, hwaddr addr, unsigned size)