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-rw-r--r--hw/ppc/ppc405_boards.c2
-rw-r--r--hw/ppc/prep.c2
-rw-r--r--hw/sparc/sun4m.c2
-rw-r--r--hw/sparc64/sun4u.c2
-rw-r--r--hw/timer/m48t59.c27
-rw-r--r--include/hw/timer/m48t59.h5
6 files changed, 22 insertions, 18 deletions
diff --git a/hw/ppc/ppc405_boards.c b/hw/ppc/ppc405_boards.c
index 1dcea77..ec6c4cb 100644
--- a/hw/ppc/ppc405_boards.c
+++ b/hw/ppc/ppc405_boards.c
@@ -283,7 +283,7 @@ static void ref405ep_init(MachineState *machine)
#ifdef DEBUG_BOARD_INIT
printf("%s: register NVRAM\n", __func__);
#endif
- m48t59_init(NULL, 0xF0000000, 0, 8192, 8);
+ m48t59_init(NULL, 0xF0000000, 0, 8192, 1968, 8);
/* Load kernel */
linux_boot = (kernel_filename != NULL);
if (linux_boot) {
diff --git a/hw/ppc/prep.c b/hw/ppc/prep.c
index 9290846..7f52662 100644
--- a/hw/ppc/prep.c
+++ b/hw/ppc/prep.c
@@ -684,7 +684,7 @@ static void ppc_prep_init(MachineState *machine)
pci_create_simple(pci_bus, -1, "pci-ohci");
}
- m48t59 = m48t59_init_isa(isa_bus, 0x0074, NVRAM_SIZE, 59);
+ m48t59 = m48t59_init_isa(isa_bus, 0x0074, NVRAM_SIZE, 2000, 59);
if (m48t59 == NULL)
return;
sysctrl->nvram = m48t59;
diff --git a/hw/sparc/sun4m.c b/hw/sparc/sun4m.c
index d391f8e..b879aa9 100644
--- a/hw/sparc/sun4m.c
+++ b/hw/sparc/sun4m.c
@@ -1014,7 +1014,7 @@ static void sun4m_hw_init(const struct sun4m_hwdef *hwdef,
lance_init(&nd_table[0], hwdef->le_base, ledma, ledma_irq);
- nvram = m48t59_init(slavio_irq[0], hwdef->nvram_base, 0, 0x2000, 8);
+ nvram = m48t59_init(slavio_irq[0], hwdef->nvram_base, 0, 0x2000, 1968, 8);
slavio_timer_init_all(hwdef->counter_base, slavio_irq[19], slavio_cpu_irq, smp_cpus);
diff --git a/hw/sparc64/sun4u.c b/hw/sparc64/sun4u.c
index 9873e39..53aec80 100644
--- a/hw/sparc64/sun4u.c
+++ b/hw/sparc64/sun4u.c
@@ -868,7 +868,7 @@ static void sun4uv_init(MemoryRegion *address_space_mem,
fd[i] = drive_get(IF_FLOPPY, 0, i);
}
fdctrl_init_isa(isa_bus, fd);
- nvram = m48t59_init_isa(isa_bus, 0x0074, NVRAM_SIZE, 59);
+ nvram = m48t59_init_isa(isa_bus, 0x0074, NVRAM_SIZE, 2000, 59);
initrd_size = 0;
initrd_addr = 0;
diff --git a/hw/timer/m48t59.c b/hw/timer/m48t59.c
index 08f0d57..d3d8079 100644
--- a/hw/timer/m48t59.c
+++ b/hw/timer/m48t59.c
@@ -79,6 +79,7 @@ typedef struct M48t59State {
qemu_irq IRQ;
MemoryRegion iomem;
uint32_t size;
+ int32_t base_year;
/* RTC management */
time_t time_offset;
time_t stop_time;
@@ -387,11 +388,7 @@ static void m48t59_write(M48t59State *NVRAM, uint32_t addr, uint32_t val)
tmp = from_bcd(val);
if (tmp >= 0 && tmp <= 99) {
get_time(NVRAM, &tm);
- if (NVRAM->model == 8) {
- tm.tm_year = from_bcd(val) + 68; // Base year is 1968
- } else {
- tm.tm_year = from_bcd(val);
- }
+ tm.tm_year = from_bcd(val) + NVRAM->base_year - 1900;
set_time(NVRAM, &tm);
}
break;
@@ -493,11 +490,7 @@ static uint32_t m48t59_read(M48t59State *NVRAM, uint32_t addr)
case 0x07FF:
/* year */
get_time(NVRAM, &tm);
- if (NVRAM->model == 8) {
- retval = to_bcd(tm.tm_year - 68); // Base year is 1968
- } else {
- retval = to_bcd(tm.tm_year);
- }
+ retval = to_bcd((tm.tm_year + 1900 - NVRAM->base_year) % 100);
break;
default:
/* Check lock registers state */
@@ -680,7 +673,8 @@ static const MemoryRegionOps m48t59_io_ops = {
/* Initialisation routine */
Nvram *m48t59_init(qemu_irq IRQ, hwaddr mem_base,
- uint32_t io_base, uint16_t size, int model)
+ uint32_t io_base, uint16_t size, int base_year,
+ int model)
{
DeviceState *dev;
SysBusDevice *s;
@@ -694,6 +688,7 @@ Nvram *m48t59_init(qemu_irq IRQ, hwaddr mem_base,
}
dev = qdev_create(NULL, m48txx_info[i].sysbus_name);
+ qdev_prop_set_int32(dev, "base-year", base_year);
qdev_init_nofail(dev);
s = SYS_BUS_DEVICE(dev);
sysbus_connect_irq(s, 0, IRQ);
@@ -713,7 +708,7 @@ Nvram *m48t59_init(qemu_irq IRQ, hwaddr mem_base,
}
Nvram *m48t59_init_isa(ISABus *bus, uint32_t io_base, uint16_t size,
- int model)
+ int base_year, int model)
{
DeviceState *dev;
int i;
@@ -727,6 +722,7 @@ Nvram *m48t59_init_isa(ISABus *bus, uint32_t io_base, uint16_t size,
dev = DEVICE(isa_create(bus, m48txx_info[i].isa_name));
qdev_prop_set_uint32(dev, "iobase", io_base);
+ qdev_prop_set_int32(dev, "base-year", base_year);
qdev_init_nofail(dev);
return NVRAM(dev);
}
@@ -809,6 +805,7 @@ static void m48txx_isa_toggle_lock(Nvram *obj, int lock)
}
static Property m48t59_isa_properties[] = {
+ DEFINE_PROP_INT32("base-year", M48txxISAState, state.base_year, 0),
DEFINE_PROP_UINT32("iobase", M48txxISAState, io_base, 0x74),
DEFINE_PROP_END_OF_LIST(),
};
@@ -852,6 +849,11 @@ static void m48txx_sysbus_toggle_lock(Nvram *obj, int lock)
m48t59_toggle_lock(&d->state, lock);
}
+static Property m48t59_sysbus_properties[] = {
+ DEFINE_PROP_INT32("base-year", M48txxSysBusState, state.base_year, 0),
+ DEFINE_PROP_END_OF_LIST(),
+};
+
static void m48txx_sysbus_class_init(ObjectClass *klass, void *data)
{
DeviceClass *dc = DEVICE_CLASS(klass);
@@ -860,6 +862,7 @@ static void m48txx_sysbus_class_init(ObjectClass *klass, void *data)
k->init = m48t59_init1;
dc->reset = m48t59_reset_sysbus;
+ dc->props = m48t59_sysbus_properties;
nc->read = m48txx_sysbus_read;
nc->write = m48txx_sysbus_write;
nc->toggle_lock = m48txx_sysbus_toggle_lock;
diff --git a/include/hw/timer/m48t59.h b/include/hw/timer/m48t59.h
index cf80d20..3367923 100644
--- a/include/hw/timer/m48t59.h
+++ b/include/hw/timer/m48t59.h
@@ -26,8 +26,9 @@ typedef struct NvramClass {
} NvramClass;
Nvram *m48t59_init_isa(ISABus *bus, uint32_t io_base, uint16_t size,
- int type);
+ int base_year, int type);
Nvram *m48t59_init(qemu_irq IRQ, hwaddr mem_base,
- uint32_t io_base, uint16_t size, int type);
+ uint32_t io_base, uint16_t size, int base_year,
+ int type);
#endif /* !NVRAM_H */
generated by cgit v1.1 at 2024-12-26 08:56:30 +0000