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[Qemu-devel] [PATCHv3 13/13] sparc32_dma: add len to esp/le DMA memory t


From: Mark Cave-Ayland
Subject: [Qemu-devel] [PATCHv3 13/13] sparc32_dma: add len to esp/le DMA memory tracing
Date: Sat, 14 Oct 2017 19:39:02 +0100

This is surprisingly useful when trying to debug DMA issues.

Signed-off-by: Mark Cave-Ayland <address@hidden>
---
 hw/dma/sparc32_dma.c |    8 ++++----
 hw/dma/trace-events  |    8 ++++----
 2 files changed, 8 insertions(+), 8 deletions(-)

diff --git a/hw/dma/sparc32_dma.c b/hw/dma/sparc32_dma.c
index bb7d70a..fbb072a 100644
--- a/hw/dma/sparc32_dma.c
+++ b/hw/dma/sparc32_dma.c
@@ -73,7 +73,7 @@ void ledma_memory_read(void *opaque, hwaddr addr,
     int i;
 
     addr |= s->dmaregs[3];
-    trace_ledma_memory_read(addr);
+    trace_ledma_memory_read(addr, len);
     if (do_bswap) {
         sparc_iommu_memory_read(s->iommu, addr, buf, len);
     } else {
@@ -94,7 +94,7 @@ void ledma_memory_write(void *opaque, hwaddr addr,
     uint16_t tmp_buf[32];
 
     addr |= s->dmaregs[3];
-    trace_ledma_memory_write(addr);
+    trace_ledma_memory_write(addr, len);
     if (do_bswap) {
         sparc_iommu_memory_write(s->iommu, addr, buf, len);
     } else {
@@ -139,7 +139,7 @@ void espdma_memory_read(void *opaque, uint8_t *buf, int len)
 {
     DMADeviceState *s = opaque;
 
-    trace_espdma_memory_read(s->dmaregs[1]);
+    trace_espdma_memory_read(s->dmaregs[1], len);
     sparc_iommu_memory_read(s->iommu, s->dmaregs[1], buf, len);
     s->dmaregs[1] += len;
 }
@@ -148,7 +148,7 @@ void espdma_memory_write(void *opaque, uint8_t *buf, int 
len)
 {
     DMADeviceState *s = opaque;
 
-    trace_espdma_memory_write(s->dmaregs[1]);
+    trace_espdma_memory_write(s->dmaregs[1], len);
     sparc_iommu_memory_write(s->iommu, s->dmaregs[1], buf, len);
     s->dmaregs[1] += len;
 }
diff --git a/hw/dma/trace-events b/hw/dma/trace-events
index 428469a..6b367f0 100644
--- a/hw/dma/trace-events
+++ b/hw/dma/trace-events
@@ -7,12 +7,12 @@ rc4030_read(uint64_t addr, uint32_t ret) "read 
reg[0x%"PRIx64"] = 0x%x"
 rc4030_write(uint64_t addr, uint32_t val) "write reg[0x%"PRIx64"] = 0x%x"
 
 # hw/dma/sparc32_dma.c
-ledma_memory_read(uint64_t addr) "DMA read addr 0x%"PRIx64
-ledma_memory_write(uint64_t addr) "DMA write addr 0x%"PRIx64
+ledma_memory_read(uint64_t addr, int len) "DMA read addr 0x%"PRIx64 " len %d"
+ledma_memory_write(uint64_t addr, int len) "DMA write addr 0x%"PRIx64 " len %d"
 sparc32_dma_set_irq_raise(void) "Raise IRQ"
 sparc32_dma_set_irq_lower(void) "Lower IRQ"
-espdma_memory_read(uint32_t addr) "DMA read addr 0x%08x"
-espdma_memory_write(uint32_t addr) "DMA write addr 0x%08x"
+espdma_memory_read(uint32_t addr, int len) "DMA read addr 0x%08x len %d"
+espdma_memory_write(uint32_t addr, int len) "DMA write addr 0x%08x len %d"
 sparc32_dma_mem_readl(uint64_t addr, uint32_t ret) "read dmareg 0x%"PRIx64": 
0x%08x"
 sparc32_dma_mem_writel(uint64_t addr, uint32_t old, uint32_t val) "write 
dmareg 0x%"PRIx64": 0x%08x -> 0x%08x"
 sparc32_dma_enable_raise(void) "Raise DMA enable"
-- 
1.7.10.4




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