diff options
Diffstat (limited to 'hw')
| -rw-r--r-- | hw/isa/vt82c686.c | 9 |
1 files changed, 3 insertions, 6 deletions
diff --git a/hw/isa/vt82c686.c b/hw/isa/vt82c686.c index 2f69b4d..2bd10d9 100644 --- a/hw/isa/vt82c686.c +++ b/hw/isa/vt82c686.c @@ -258,7 +258,6 @@ static void superio_cfg_write(void *opaque, hwaddr addr, uint64_t data, { SuperIOConfig *sc = opaque; uint8_t idx = sc->regs[0]; - bool can_write = true; if (addr == 0x3f0) { /* config index register */ idx = data & 0xff; @@ -276,15 +275,13 @@ static void superio_cfg_write(void *opaque, hwaddr addr, uint64_t data, case 0xf7: case 0xf9 ... 0xfb: case 0xfd ... 0xff: - can_write = false; - break; + /* ignore write to read only registers */ + return; /* case 0xe6 ... 0xe8: Should set base port of parallel and serial */ default: break; } - if (can_write) { - sc->regs[idx] = data & 0xff; - } + sc->regs[idx] = data & 0xff; } static uint64_t superio_cfg_read(void *opaque, hwaddr addr, unsigned size) |