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Implement break for the pl011, based on a patch from Jason Wessel.

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git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@4182 c046a42c-6fe2-441c-8c8c-71466251a162
This commit is contained in:
aurel32 2008-04-08 19:51:43 +00:00
parent d73bd7ebec
commit cc9c9ffc68
1 changed files with 9 additions and 3 deletions
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12
hw/pl011.c
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@ -195,7 +195,7 @@ static int pl011_can_receive(void *opaque)
return s->read_count < 1; return s->read_count < 1;
} }
static void pl011_receive(void *opaque, const uint8_t *buf, int size) static void pl011_put_fifo(void *opaque, uint32_t value)
{ {
pl011_state *s = (pl011_state *)opaque; pl011_state *s = (pl011_state *)opaque;
int slot; int slot;
@ -203,7 +203,7 @@ static void pl011_receive(void *opaque, const uint8_t *buf, int size)
slot = s->read_pos + s->read_count; slot = s->read_pos + s->read_count;
if (slot >= 16) if (slot >= 16)
slot -= 16; slot -= 16;
s->read_fifo[slot] = *buf; s->read_fifo[slot] = value;
s->read_count++; s->read_count++;
s->flags &= ~PL011_FLAG_RXFE; s->flags &= ~PL011_FLAG_RXFE;
if (s->cr & 0x10 || s->read_count == 16) { if (s->cr & 0x10 || s->read_count == 16) {
@ -215,9 +215,15 @@ static void pl011_receive(void *opaque, const uint8_t *buf, int size)
} }
} }
static void pl011_receive(void *opaque, const uint8_t *buf, int size)
{
pl011_put_fifo(opaque, *buf);
}
static void pl011_event(void *opaque, int event) static void pl011_event(void *opaque, int event)
{ {
/* ??? Should probably implement break. */ if (event == CHR_EVENT_BREAK)
pl011_put_fifo(opaque, 0x400);
} }
static CPUReadMemoryFunc *pl011_readfn[] = { static CPUReadMemoryFunc *pl011_readfn[] = {