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[Qemu-devel] [5813] Fix command len detection (esp_3_cmdlen.diff)
From: |
Blue Swirl |
Subject: |
[Qemu-devel] [5813] Fix command len detection (esp_3_cmdlen.diff) |
Date: |
Sat, 29 Nov 2008 16:51:02 +0000 |
Revision: 5813
http://svn.sv.gnu.org/viewvc/?view=rev&root=qemu&revision=5813
Author: blueswir1
Date: 2008-11-29 16:51:02 +0000 (Sat, 29 Nov 2008)
Log Message:
-----------
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 <address@hidden>
Modified Paths:
--------------
trunk/hw/esp.c
Modified: trunk/hw/esp.c
===================================================================
--- trunk/hw/esp.c 2008-11-29 16:48:29 UTC (rev 5812)
+++ trunk/hw/esp.c 2008-11-29 16:51:02 UTC (rev 5813)
@@ -167,16 +167,16 @@
uint32_t dmalen;
int target;
- dmalen = s->rregs[ESP_TCLO] | (s->rregs[ESP_TCMID] << 8);
target = s->wregs[ESP_WBUSID] & BUSID_DID;
- DPRINTF("get_cmd: len %d target %d\n", dmalen, target);
if (s->dma) {
+ dmalen = s->rregs[ESP_TCLO] | (s->rregs[ESP_TCMID] << 8);
s->dma_memory_read(s->dma_opaque, buf, dmalen);
} else {
+ dmalen = s->ti_size;
+ memcpy(buf, s->ti_buf, dmalen);
buf[0] = 0;
- memcpy(&buf[1], s->ti_buf, dmalen);
- dmalen++;
}
+ DPRINTF("get_cmd: len %d target %d\n", dmalen, target);
s->ti_size = 0;
s->ti_rptr = 0;
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