diff options
Diffstat (limited to 'hw/mc146818rtc.c')
| -rw-r--r-- | hw/mc146818rtc.c | 14 |
1 files changed, 6 insertions, 8 deletions
diff --git a/hw/mc146818rtc.c b/hw/mc146818rtc.c index 30bb0449da..ac41a947b8 100644 --- a/hw/mc146818rtc.c +++ b/hw/mc146818rtc.c @@ -59,7 +59,6 @@ struct RTCState { uint8_t cmos_index; struct tm current_tm; qemu_irq irq; - target_phys_addr_t base; int it_shift; /* periodic timer */ QEMUTimer *periodic_timer; @@ -492,7 +491,7 @@ static uint32_t cmos_mm_readb (void *opaque, target_phys_addr_t addr) { RTCState *s = opaque; - return cmos_ioport_read(s, (addr - s->base) >> s->it_shift) & 0xFF; + return cmos_ioport_read(s, addr >> s->it_shift) & 0xFF; } static void cmos_mm_writeb (void *opaque, @@ -500,7 +499,7 @@ static void cmos_mm_writeb (void *opaque, { RTCState *s = opaque; - cmos_ioport_write(s, (addr - s->base) >> s->it_shift, value & 0xFF); + cmos_ioport_write(s, addr >> s->it_shift, value & 0xFF); } static uint32_t cmos_mm_readw (void *opaque, target_phys_addr_t addr) @@ -508,7 +507,7 @@ static uint32_t cmos_mm_readw (void *opaque, target_phys_addr_t addr) RTCState *s = opaque; uint32_t val; - val = cmos_ioport_read(s, (addr - s->base) >> s->it_shift) & 0xFFFF; + val = cmos_ioport_read(s, addr >> s->it_shift) & 0xFFFF; #ifdef TARGET_WORDS_BIGENDIAN val = bswap16(val); #endif @@ -522,7 +521,7 @@ static void cmos_mm_writew (void *opaque, #ifdef TARGET_WORDS_BIGENDIAN value = bswap16(value); #endif - cmos_ioport_write(s, (addr - s->base) >> s->it_shift, value & 0xFFFF); + cmos_ioport_write(s, addr >> s->it_shift, value & 0xFFFF); } static uint32_t cmos_mm_readl (void *opaque, target_phys_addr_t addr) @@ -530,7 +529,7 @@ static uint32_t cmos_mm_readl (void *opaque, target_phys_addr_t addr) RTCState *s = opaque; uint32_t val; - val = cmos_ioport_read(s, (addr - s->base) >> s->it_shift); + val = cmos_ioport_read(s, addr >> s->it_shift); #ifdef TARGET_WORDS_BIGENDIAN val = bswap32(val); #endif @@ -544,7 +543,7 @@ static void cmos_mm_writel (void *opaque, #ifdef TARGET_WORDS_BIGENDIAN value = bswap32(value); #endif - cmos_ioport_write(s, (addr - s->base) >> s->it_shift, value); + cmos_ioport_write(s, addr >> s->it_shift, value); } static CPUReadMemoryFunc *rtc_mm_read[] = { @@ -573,7 +572,6 @@ RTCState *rtc_mm_init(target_phys_addr_t base, int it_shift, qemu_irq irq) s->cmos_data[RTC_REG_B] = 0x02; s->cmos_data[RTC_REG_C] = 0x00; s->cmos_data[RTC_REG_D] = 0x80; - s->base = base; rtc_set_date_from_host(s); |