diff options
Diffstat (limited to 'hw/mc146818rtc.c')
| -rw-r--r-- | hw/mc146818rtc.c | 26 |
1 files changed, 15 insertions, 11 deletions
diff --git a/hw/mc146818rtc.c b/hw/mc146818rtc.c index 905e67016c..450d218509 100644 --- a/hw/mc146818rtc.c +++ b/hw/mc146818rtc.c @@ -28,6 +28,7 @@ #include "apic.h" #include "isa.h" #include "hpet_emul.h" +#include "mc146818rtc.h" //#define DEBUG_CMOS @@ -65,7 +66,7 @@ #define REG_C_PF 0x40 #define REG_C_AF 0x20 -struct RTCState { +typedef struct RTCState { ISADevice dev; uint8_t cmos_data[128]; uint8_t cmos_index; @@ -85,7 +86,7 @@ struct RTCState { QEMUTimer *coalesced_timer; QEMUTimer *second_timer; QEMUTimer *second_timer2; -}; +} RTCState; static void rtc_irq_raise(qemu_irq irq) { @@ -492,14 +493,16 @@ static uint32_t cmos_ioport_read(void *opaque, uint32_t addr) } } -void rtc_set_memory(RTCState *s, int addr, int val) +void rtc_set_memory(ISADevice *dev, int addr, int val) { + RTCState *s = DO_UPCAST(RTCState, dev, dev); if (addr >= 0 && addr <= 127) s->cmos_data[addr] = val; } -void rtc_set_date(RTCState *s, const struct tm *tm) +void rtc_set_date(ISADevice *dev, const struct tm *tm) { + RTCState *s = DO_UPCAST(RTCState, dev, dev); s->current_tm = *tm; rtc_copy_date(s); } @@ -508,18 +511,19 @@ void rtc_set_date(RTCState *s, const struct tm *tm) #define REG_IBM_CENTURY_BYTE 0x32 #define REG_IBM_PS2_CENTURY_BYTE 0x37 -static void rtc_set_date_from_host(RTCState *s) +static void rtc_set_date_from_host(ISADevice *dev) { + RTCState *s = DO_UPCAST(RTCState, dev, dev); struct tm tm; int val; /* set the CMOS date */ qemu_get_timedate(&tm, 0); - rtc_set_date(s, &tm); + rtc_set_date(dev, &tm); val = rtc_to_bcd(s, (tm.tm_year / 100) + 19); - rtc_set_memory(s, REG_IBM_CENTURY_BYTE, val); - rtc_set_memory(s, REG_IBM_PS2_CENTURY_BYTE, val); + rtc_set_memory(dev, REG_IBM_CENTURY_BYTE, val); + rtc_set_memory(dev, REG_IBM_PS2_CENTURY_BYTE, val); } static int rtc_post_load(void *opaque, int version_id) @@ -591,7 +595,7 @@ static int rtc_initfn(ISADevice *dev) s->cmos_data[RTC_REG_C] = 0x00; s->cmos_data[RTC_REG_D] = 0x80; - rtc_set_date_from_host(s); + rtc_set_date_from_host(dev); s->periodic_timer = qemu_new_timer(rtc_clock, rtc_periodic_timer, s); #ifdef TARGET_I386 @@ -614,14 +618,14 @@ static int rtc_initfn(ISADevice *dev) return 0; } -RTCState *rtc_init(int base_year) +ISADevice *rtc_init(int base_year) { ISADevice *dev; dev = isa_create("mc146818rtc"); qdev_prop_set_int32(&dev->qdev, "base_year", base_year); qdev_init_nofail(&dev->qdev); - return DO_UPCAST(RTCState, dev, dev); + return dev; } static ISADeviceInfo mc146818rtc_info = { |