haraldwolff/qemu-patch-raspberry4
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slavio_timer: convert to memory API

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Signed-off-by: Benoit Canet <benoit.canet@gmail.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
This commit is contained in:
Benoît Canet 2011-11-15 12:14:02 +01:00 committed by Avi Kivity
parent 8bb5ef333a
commit a3d12d073e
1 changed files with 20 additions and 21 deletions
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41
hw/slavio_timer.c
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@ -61,6 +61,7 @@ typedef struct SLAVIO_TIMERState {
} SLAVIO_TIMERState;
typedef struct TimerContext {
MemoryRegion iomem;
SLAVIO_TIMERState *s;
unsigned int timer_index; /* 0 for system, 1 ... MAX_CPUS for CPU timers */
} TimerContext;
@ -128,7 +129,8 @@ static void slavio_timer_irq(void *opaque)
}
}
static uint32_t slavio_timer_mem_readl(void *opaque, target_phys_addr_t addr)
static uint64_t slavio_timer_mem_readl(void *opaque, target_phys_addr_t addr,
unsigned size)
{
TimerContext *tc = opaque;
SLAVIO_TIMERState *s = tc->s;
@ -188,7 +190,7 @@ static uint32_t slavio_timer_mem_readl(void *opaque, target_phys_addr_t addr)
}
static void slavio_timer_mem_writel(void *opaque, target_phys_addr_t addr,
uint32_t val)
uint64_t val, unsigned size)
{
TimerContext *tc = opaque;
SLAVIO_TIMERState *s = tc->s;
@ -311,16 +313,14 @@ static void slavio_timer_mem_writel(void *opaque, target_phys_addr_t addr,
}
}
static CPUReadMemoryFunc * const slavio_timer_mem_read[3] = {
NULL,
NULL,
slavio_timer_mem_readl,
};
static CPUWriteMemoryFunc * const slavio_timer_mem_write[3] = {
NULL,
NULL,
slavio_timer_mem_writel,
static const MemoryRegionOps slavio_timer_mem_ops = {
.read = slavio_timer_mem_readl,
.write = slavio_timer_mem_writel,
.endianness = DEVICE_NATIVE_ENDIAN,
.valid = {
.min_access_size = 4,
.max_access_size = 4,
},
};
static const VMStateDescription vmstate_timer = {
@ -374,13 +374,15 @@ static void slavio_timer_reset(DeviceState *d)
static int slavio_timer_init1(SysBusDevice *dev)
{
int io;
SLAVIO_TIMERState *s = FROM_SYSBUS(SLAVIO_TIMERState, dev);
QEMUBH *bh;
unsigned int i;
TimerContext *tc;
for (i = 0; i <= MAX_CPUS; i++) {
uint64_t size;
char timer_name[20];
tc = g_malloc0(sizeof(TimerContext));
tc->s = s;
tc->timer_index = i;
@ -389,14 +391,11 @@ static int slavio_timer_init1(SysBusDevice *dev)
s->cputimer[i].timer = ptimer_init(bh);
ptimer_set_period(s->cputimer[i].timer, TIMER_PERIOD);
io = cpu_register_io_memory(slavio_timer_mem_read,
slavio_timer_mem_write, tc,
DEVICE_NATIVE_ENDIAN);
if (i == 0) {
sysbus_init_mmio(dev, SYS_TIMER_SIZE, io);
} else {
sysbus_init_mmio(dev, CPU_TIMER_SIZE, io);
}
size = i == 0 ? SYS_TIMER_SIZE : CPU_TIMER_SIZE;
snprintf(timer_name, sizeof(timer_name), "timer-%i", i);
memory_region_init_io(&tc->iomem, &slavio_timer_mem_ops, tc,
timer_name, size);
sysbus_init_mmio_region(dev, &tc->iomem);
sysbus_init_irq(dev, &s->cputimer[i].irq);
}