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-rw-r--r--hw/mc146818rtc.c16
-rw-r--r--hw/mips_jazz.c2
-rw-r--r--hw/mips_malta.c2
-rw-r--r--hw/mips_r4k.c2
-rw-r--r--hw/pc.c2
-rw-r--r--hw/pc.h5
-rw-r--r--hw/ppc_prep.c2
7 files changed, 20 insertions, 11 deletions
diff --git a/hw/mc146818rtc.c b/hw/mc146818rtc.c
index cd57bf3760..74d9e1f206 100644
--- a/hw/mc146818rtc.c
+++ b/hw/mc146818rtc.c
@@ -60,6 +60,7 @@ struct RTCState {
uint8_t cmos_data[128];
uint8_t cmos_index;
struct tm current_tm;
+ int base_year;
qemu_irq irq;
int it_shift;
/* periodic timer */
@@ -235,12 +236,13 @@ static void rtc_set_time(RTCState *s)
tm->tm_wday = from_bcd(s, s->cmos_data[RTC_DAY_OF_WEEK]) - 1;
tm->tm_mday = from_bcd(s, s->cmos_data[RTC_DAY_OF_MONTH]);
tm->tm_mon = from_bcd(s, s->cmos_data[RTC_MONTH]) - 1;
- tm->tm_year = from_bcd(s, s->cmos_data[RTC_YEAR]) + 100;
+ tm->tm_year = from_bcd(s, s->cmos_data[RTC_YEAR]) + s->base_year - 1900;
}
static void rtc_copy_date(RTCState *s)
{
const struct tm *tm = &s->current_tm;
+ int year;
s->cmos_data[RTC_SECONDS] = to_bcd(s, tm->tm_sec);
s->cmos_data[RTC_MINUTES] = to_bcd(s, tm->tm_min);
@@ -256,7 +258,10 @@ static void rtc_copy_date(RTCState *s)
s->cmos_data[RTC_DAY_OF_WEEK] = to_bcd(s, tm->tm_wday + 1);
s->cmos_data[RTC_DAY_OF_MONTH] = to_bcd(s, tm->tm_mday);
s->cmos_data[RTC_MONTH] = to_bcd(s, tm->tm_mon + 1);
- s->cmos_data[RTC_YEAR] = to_bcd(s, tm->tm_year % 100);
+ year = (tm->tm_year - s->base_year) % 100;
+ if (year < 0)
+ year += 100;
+ s->cmos_data[RTC_YEAR] = to_bcd(s, year);
}
/* month is between 0 and 11. */
@@ -522,7 +527,7 @@ static int rtc_load_td(QEMUFile *f, void *opaque, int version_id)
}
#endif
-RTCState *rtc_init(int base, qemu_irq irq)
+RTCState *rtc_init(int base, qemu_irq irq, int base_year)
{
RTCState *s;
@@ -536,6 +541,7 @@ RTCState *rtc_init(int base, qemu_irq irq)
s->cmos_data[RTC_REG_C] = 0x00;
s->cmos_data[RTC_REG_D] = 0x80;
+ s->base_year = base_year;
rtc_set_date_from_host(s);
s->periodic_timer = qemu_new_timer(vm_clock,
@@ -631,7 +637,8 @@ static CPUWriteMemoryFunc *rtc_mm_write[] = {
&cmos_mm_writel,
};
-RTCState *rtc_mm_init(target_phys_addr_t base, int it_shift, qemu_irq irq)
+RTCState *rtc_mm_init(target_phys_addr_t base, int it_shift, qemu_irq irq,
+ int base_year)
{
RTCState *s;
int io_memory;
@@ -646,6 +653,7 @@ RTCState *rtc_mm_init(target_phys_addr_t base, int it_shift, qemu_irq irq)
s->cmos_data[RTC_REG_C] = 0x00;
s->cmos_data[RTC_REG_D] = 0x80;
+ s->base_year = base_year;
rtc_set_date_from_host(s);
s->periodic_timer = qemu_new_timer(vm_clock,
diff --git a/hw/mips_jazz.c b/hw/mips_jazz.c
index eb4d15bccd..9bdb903ee9 100644
--- a/hw/mips_jazz.c
+++ b/hw/mips_jazz.c
@@ -241,7 +241,7 @@ void mips_jazz_init (ram_addr_t ram_size, int vga_ram_size,
fdctrl_init(rc4030[1], 0, 1, 0x80003000, fds);
/* Real time clock */
- rtc_init(0x70, i8259[8]);
+ rtc_init(0x70, i8259[8], 1980);
s_rtc = cpu_register_io_memory(0, rtc_read, rtc_write, env);
cpu_register_physical_memory(0x80004000, 0x00001000, s_rtc);
diff --git a/hw/mips_malta.c b/hw/mips_malta.c
index ba67947707..b7afb2d9a5 100644
--- a/hw/mips_malta.c
+++ b/hw/mips_malta.c
@@ -918,7 +918,7 @@ void mips_malta_init (ram_addr_t ram_size, int vga_ram_size,
/* Super I/O */
i8042_init(i8259[1], i8259[12], 0x60);
- rtc_state = rtc_init(0x70, i8259[8]);
+ rtc_state = rtc_init(0x70, i8259[8], 2000);
serial_init(0x3f8, i8259[4], 115200, serial_hds[0]);
serial_init(0x2f8, i8259[3], 115200, serial_hds[1]);
if (parallel_hds[0])
diff --git a/hw/mips_r4k.c b/hw/mips_r4k.c
index 1ed123e4e7..ab0c110f09 100644
--- a/hw/mips_r4k.c
+++ b/hw/mips_r4k.c
@@ -235,7 +235,7 @@ void mips_r4k_init (ram_addr_t ram_size, int vga_ram_size,
/* The PIC is attached to the MIPS CPU INT0 pin */
i8259 = i8259_init(env->irq[2]);
- rtc_state = rtc_init(0x70, i8259[8]);
+ rtc_state = rtc_init(0x70, i8259[8], 2000);
/* Register 64 KB of ISA IO space at 0x14000000 */
isa_mmio_init(0x14000000, 0x00010000);
diff --git a/hw/pc.c b/hw/pc.c
index dd5fb8f9b0..176730e063 100644
--- a/hw/pc.c
+++ b/hw/pc.c
@@ -968,7 +968,7 @@ vga_bios_error:
}
}
- rtc_state = rtc_init(0x70, i8259[8]);
+ rtc_state = rtc_init(0x70, i8259[8], 2000);
qemu_register_boot_set(pc_boot_set, rtc_state);
diff --git a/hw/pc.h b/hw/pc.h
index 1ba3d9eb90..c67294d0fe 100644
--- a/hw/pc.h
+++ b/hw/pc.h
@@ -83,8 +83,9 @@ void i8042_mm_init(qemu_irq kbd_irq, qemu_irq mouse_irq,
typedef struct RTCState RTCState;
-RTCState *rtc_init(int base, qemu_irq irq);
-RTCState *rtc_mm_init(target_phys_addr_t base, int it_shift, qemu_irq irq);
+RTCState *rtc_init(int base, qemu_irq irq, int base_year);
+RTCState *rtc_mm_init(target_phys_addr_t base, int it_shift, qemu_irq irq,
+ int base_year);
void rtc_set_memory(RTCState *s, int addr, int val);
void rtc_set_date(RTCState *s, const struct tm *tm);
void cmos_set_s3_resume(void);
diff --git a/hw/ppc_prep.c b/hw/ppc_prep.c
index 934d520d38..f9d0acc8b4 100644
--- a/hw/ppc_prep.c
+++ b/hw/ppc_prep.c
@@ -659,7 +659,7 @@ static void ppc_prep_init (ram_addr_t ram_size, int vga_ram_size,
vga_ram_size, 0, 0);
// openpic = openpic_init(0x00000000, 0xF0000000, 1);
// pit = pit_init(0x40, i8259[0]);
- rtc_init(0x70, i8259[8]);
+ rtc_init(0x70, i8259[8], 2000);
serial_init(0x3f8, i8259[4], 115200, serial_hds[0]);
nb_nics1 = nb_nics;