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qemu
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16 bit divider 

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@2138 c046a42c-6fe2-441c-8c8c-71466251a162
This commit is contained in:
bellard 2006-08-26 18:00:36 +00:00
parent 64f5a135a7
commit 508d92d057
1 changed files with 9 additions and 6 deletions
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15
hw/serial.c
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@ -71,7 +71,7 @@
#define UART_LSR_DR 0x01 /* Receiver data ready */
struct SerialState {
uint8_t divider;
uint16_t divider;
uint8_t rbr; /* receive register */
uint8_t ier;
uint8_t iir; /* read only */
@ -310,7 +310,7 @@ static void serial_save(QEMUFile *f, void *opaque)
{
SerialState *s = opaque;
qemu_put_8s(f,&s->divider);
qemu_put_be16s(f,&s->divider);
qemu_put_8s(f,&s->rbr);
qemu_put_8s(f,&s->ier);
qemu_put_8s(f,&s->iir);
@ -325,10 +325,13 @@ static int serial_load(QEMUFile *f, void *opaque, int version_id)
{
SerialState *s = opaque;
if(version_id != 1)
if(version_id > 2)
return -EINVAL;
qemu_get_8s(f,&s->divider);
if (version_id >= 2)
qemu_get_be16s(f, &s->divider);
else
s->divider = qemu_get_byte(f);
qemu_get_8s(f,&s->rbr);
qemu_get_8s(f,&s->ier);
qemu_get_8s(f,&s->iir);
@ -357,7 +360,7 @@ SerialState *serial_init(SetIRQFunc *set_irq, void *opaque,
s->iir = UART_IIR_NO_INT;
s->msr = UART_MSR_DCD | UART_MSR_DSR | UART_MSR_CTS;
register_savevm("serial", base, 1, serial_save, serial_load, s);
register_savevm("serial", base, 2, serial_save, serial_load, s);
register_ioport_write(base, 8, 1, serial_ioport_write, s);
register_ioport_read(base, 8, 1, serial_ioport_read, s);
@ -444,7 +447,7 @@ SerialState *serial_mm_init (SetIRQFunc *set_irq, void *opaque,
s->base = base;
s->it_shift = it_shift;
register_savevm("serial", base, 1, serial_save, serial_load, s);
register_savevm("serial", base, 2, serial_save, serial_load, s);
s_io_memory = cpu_register_io_memory(0, serial_mm_read,
serial_mm_write, s);