gwj / at91sam9263 · Commits

Commit cc9c9ffc689076ff9a0275d295d5174cc03bb20b

Authored by aurel32
1 parent d73bd7eb

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


git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@4182 c046a42c-6fe2-441c-8c8c-71466251a162
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Showing 1 changed file with 9 additions and 3 deletions
hw/pl011.c
  View file @cc9c9ff
... ... @@ -195,7 +195,7 @@ static int pl011_can_receive(void *opaque)
195 195 return s->read_count < 1;
196 196 }
197 197  
198   -static void pl011_receive(void *opaque, const uint8_t *buf, int size)
  198 +static void pl011_put_fifo(void *opaque, uint32_t value)
199 199 {
200 200 pl011_state *s = (pl011_state *)opaque;
201 201 int slot;
... ... @@ -203,7 +203,7 @@ static void pl011_receive(void *opaque, const uint8_t *buf, int size)
203 203 slot = s->read_pos + s->read_count;
204 204 if (slot >= 16)
205 205 slot -= 16;
206   - s->read_fifo[slot] = *buf;
  206 + s->read_fifo[slot] = value;
207 207 s->read_count++;
208 208 s->flags &= ~PL011_FLAG_RXFE;
209 209 if (s->cr & 0x10 || s->read_count == 16) {
... ... @@ -215,9 +215,15 @@ static void pl011_receive(void *opaque, const uint8_t *buf, int size)
215 215 }
216 216 }
217 217  
  218 +static void pl011_receive(void *opaque, const uint8_t *buf, int size)
  219 +{
  220 + pl011_put_fifo(opaque, *buf);
  221 +}
  222 +
218 223 static void pl011_event(void *opaque, int event)
219 224 {
220   - /* ??? Should probably implement break. */
  225 + if (event == CHR_EVENT_BREAK)
  226 + pl011_put_fifo(opaque, 0x400);
221 227 }
222 228  
223 229 static CPUReadMemoryFunc *pl011_readfn[] = {
... ...