gwj / at91sam9263 · Commits

Commit fc4d65da26449765724098520d36ad51959e1d8a

Authored by blueswir1
1 parent b44c08fa

Fix command len detection (esp_3_cmdlen.diff) 

When command is not DMA, TCMID and TCLO registers are not filled. Use command buffer len instead

Signed-off-by: Herve Poussineau <hpoussin@reactos.org>


git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5813 c046a42c-6fe2-441c-8c8c-71466251a162
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Showing 1 changed file with 4 additions and 4 deletions
hw/esp.c
  View file @fc4d65d
... ... @@ -167,16 +167,16 @@ static uint32_t get_cmd(ESPState *s, uint8_t *buf)
167 167 uint32_t dmalen;
168 168 int target;
169 169  
170   - dmalen = s->rregs[ESP_TCLO] | (s->rregs[ESP_TCMID] << 8);
171 170 target = s->wregs[ESP_WBUSID] & BUSID_DID;
172   - DPRINTF("get_cmd: len %d target %d\n", dmalen, target);
173 171 if (s->dma) {
  172 + dmalen = s->rregs[ESP_TCLO] | (s->rregs[ESP_TCMID] << 8);
174 173 s->dma_memory_read(s->dma_opaque, buf, dmalen);
175 174 } else {
  175 + dmalen = s->ti_size;
  176 + memcpy(buf, s->ti_buf, dmalen);
176 177 buf[0] = 0;
177   - memcpy(&buf[1], s->ti_buf, dmalen);
178   - dmalen++;
179 178 }
  179 + DPRINTF("get_cmd: len %d target %d\n", dmalen, target);
180 180  
181 181 s->ti_size = 0;
182 182 s->ti_rptr = 0;
... ...