int processing;
} DBDMA_channel;
+typedef struct {
+ MemoryRegion mem;
+ DBDMA_channel channels[DBDMA_CHANNELS];
+} DBDMAState;
+
#ifdef DEBUG_DBDMA
static void dump_dbdma_cmd(dbdma_cmd *cmd)
{
}
}
-static void DBDMA_run (DBDMA_channel *ch)
+static void DBDMA_run(DBDMAState *s)
{
int channel;
- for (channel = 0; channel < DBDMA_CHANNELS; channel++, ch++) {
- uint32_t status = ch->regs[DBDMA_STATUS];
- if (!ch->processing && (status & RUN) && (status & ACTIVE))
- channel_run(ch);
+ for (channel = 0; channel < DBDMA_CHANNELS; channel++) {
+ DBDMA_channel *ch = &s->channels[channel];
+ uint32_t status = ch->regs[DBDMA_STATUS];
+ if (!ch->processing && (status & RUN) && (status & ACTIVE)) {
+ channel_run(ch);
+ }
}
}
static void DBDMA_run_bh(void *opaque)
{
- DBDMA_channel *ch = opaque;
+ DBDMAState *s = opaque;
DBDMA_DPRINTF("DBDMA_run_bh\n");
- DBDMA_run(ch);
+ DBDMA_run(s);
}
void DBDMA_register_channel(void *dbdma, int nchan, qemu_irq irq,
DBDMA_rw rw, DBDMA_flush flush,
void *opaque)
{
- DBDMA_channel *ch = ( DBDMA_channel *)dbdma + nchan;
+ DBDMAState *s = dbdma;
+ DBDMA_channel *ch = &s->channels[nchan];
DBDMA_DPRINTF("DBDMA_register_channel 0x%x\n", nchan);
ch->io.channel = ch;
}
-void DBDMA_schedule(void)
-{
- qemu_notify_event();
-}
-
static void
dbdma_control_write(DBDMA_channel *ch)
{
ch->flush(&ch->io);
}
-static void dbdma_writel (void *opaque,
- target_phys_addr_t addr, uint32_t value)
+static void dbdma_write(void *opaque, target_phys_addr_t addr,
+ uint64_t value, unsigned size)
{
int channel = addr >> DBDMA_CHANNEL_SHIFT;
- DBDMA_channel *ch = (DBDMA_channel *)opaque + channel;
+ DBDMAState *s = opaque;
+ DBDMA_channel *ch = &s->channels[channel];
int reg = (addr - (channel << DBDMA_CHANNEL_SHIFT)) >> 2;
DBDMA_DPRINTF("writel 0x" TARGET_FMT_plx " <= 0x%08x\n", addr, value);
}
}
-static uint32_t dbdma_readl (void *opaque, target_phys_addr_t addr)
+static uint64_t dbdma_read(void *opaque, target_phys_addr_t addr,
+ unsigned size)
{
uint32_t value;
int channel = addr >> DBDMA_CHANNEL_SHIFT;
- DBDMA_channel *ch = (DBDMA_channel *)opaque + channel;
+ DBDMAState *s = opaque;
+ DBDMA_channel *ch = &s->channels[channel];
int reg = (addr - (channel << DBDMA_CHANNEL_SHIFT)) >> 2;
value = ch->regs[reg];
return value;
}
-static CPUWriteMemoryFunc * const dbdma_write[] = {
- NULL,
- NULL,
- dbdma_writel,
+static const MemoryRegionOps dbdma_ops = {
+ .read = dbdma_read,
+ .write = dbdma_write,
+ .endianness = DEVICE_LITTLE_ENDIAN,
+ .valid = {
+ .min_access_size = 4,
+ .max_access_size = 4,
+ },
};
-static CPUReadMemoryFunc * const dbdma_read[] = {
- NULL,
- NULL,
- dbdma_readl,
+static const VMStateDescription vmstate_dbdma_channel = {
+ .name = "dbdma_channel",
+ .version_id = 0,
+ .minimum_version_id = 0,
+ .minimum_version_id_old = 0,
+ .fields = (VMStateField[]) {
+ VMSTATE_UINT32_ARRAY(regs, struct DBDMA_channel, DBDMA_REGS),
+ VMSTATE_END_OF_LIST()
+ }
};
-static void dbdma_save(QEMUFile *f, void *opaque)
-{
- DBDMA_channel *s = opaque;
- unsigned int i, j;
-
- for (i = 0; i < DBDMA_CHANNELS; i++)
- for (j = 0; j < DBDMA_REGS; j++)
- qemu_put_be32s(f, &s[i].regs[j]);
-}
-
-static int dbdma_load(QEMUFile *f, void *opaque, int version_id)
-{
- DBDMA_channel *s = opaque;
- unsigned int i, j;
-
- if (version_id != 2)
- return -EINVAL;
-
- for (i = 0; i < DBDMA_CHANNELS; i++)
- for (j = 0; j < DBDMA_REGS; j++)
- qemu_get_be32s(f, &s[i].regs[j]);
-
- return 0;
-}
+static const VMStateDescription vmstate_dbdma = {
+ .name = "dbdma",
+ .version_id = 2,
+ .minimum_version_id = 2,
+ .minimum_version_id_old = 2,
+ .fields = (VMStateField[]) {
+ VMSTATE_STRUCT_ARRAY(channels, DBDMAState, DBDMA_CHANNELS, 1,
+ vmstate_dbdma_channel, DBDMA_channel),
+ VMSTATE_END_OF_LIST()
+ }
+};
static void dbdma_reset(void *opaque)
{
- DBDMA_channel *s = opaque;
+ DBDMAState *s = opaque;
int i;
for (i = 0; i < DBDMA_CHANNELS; i++)
- memset(s[i].regs, 0, DBDMA_SIZE);
+ memset(s->channels[i].regs, 0, DBDMA_SIZE);
}
-void* DBDMA_init (int *dbdma_mem_index)
+void* DBDMA_init (MemoryRegion **dbdma_mem)
{
- DBDMA_channel *s;
+ DBDMAState *s;
- s = qemu_mallocz(sizeof(DBDMA_channel) * DBDMA_CHANNELS);
+ s = g_malloc0(sizeof(DBDMAState));
- *dbdma_mem_index = cpu_register_io_memory(dbdma_read, dbdma_write, s,
- DEVICE_LITTLE_ENDIAN);
- register_savevm(NULL, "dbdma", -1, 1, dbdma_save, dbdma_load, s);
+ memory_region_init_io(&s->mem, &dbdma_ops, s, "dbdma", 0x1000);
+ *dbdma_mem = &s->mem;
+ vmstate_register(NULL, -1, &vmstate_dbdma, s);
qemu_register_reset(dbdma_reset, s);
dbdma_bh = qemu_bh_new(DBDMA_run_bh, s);