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[Qemu-devel] [PATCH 2/2] dbdma: use DMA memory interface for memory acce


From: Mark Cave-Ayland
Subject: [Qemu-devel] [PATCH 2/2] dbdma: use DMA memory interface for memory accesses
Date: Sun, 5 Jun 2016 23:36:43 +0100

Signed-off-by: Mark Cave-Ayland <address@hidden>
---
 hw/misc/macio/mac_dbdma.c |   13 +++++++------
 1 file changed, 7 insertions(+), 6 deletions(-)

diff --git a/hw/misc/macio/mac_dbdma.c b/hw/misc/macio/mac_dbdma.c
index 5632743..f116f9c 100644
--- a/hw/misc/macio/mac_dbdma.c
+++ b/hw/misc/macio/mac_dbdma.c
@@ -42,6 +42,7 @@
 #include "hw/ppc/mac_dbdma.h"
 #include "qemu/main-loop.h"
 #include "qemu/log.h"
+#include "sysemu/dma.h"
 
 /* debug DBDMA */
 //#define DEBUG_DBDMA
@@ -81,8 +82,8 @@ static void dbdma_cmdptr_load(DBDMA_channel *ch)
 {
     DBDMA_DPRINTF("dbdma_cmdptr_load 0x%08x\n",
                   ch->regs[DBDMA_CMDPTR_LO]);
-    cpu_physical_memory_read(ch->regs[DBDMA_CMDPTR_LO],
-                             &ch->current, sizeof(dbdma_cmd));
+    dma_memory_read(&address_space_memory, ch->regs[DBDMA_CMDPTR_LO],
+                    &ch->current, sizeof(dbdma_cmd));
 }
 
 static void dbdma_cmdptr_save(DBDMA_channel *ch)
@@ -92,8 +93,8 @@ static void dbdma_cmdptr_save(DBDMA_channel *ch)
     DBDMA_DPRINTF("xfer_status 0x%08x res_count 0x%04x\n",
                   le16_to_cpu(ch->current.xfer_status),
                   le16_to_cpu(ch->current.res_count));
-    cpu_physical_memory_write(ch->regs[DBDMA_CMDPTR_LO],
-                              &ch->current, sizeof(dbdma_cmd));
+    dma_memory_write(&address_space_memory, ch->regs[DBDMA_CMDPTR_LO],
+                     &ch->current, sizeof(dbdma_cmd));
 }
 
 static void kill_channel(DBDMA_channel *ch)
@@ -353,7 +354,7 @@ static void load_word(DBDMA_channel *ch, int key, uint32_t 
addr,
         return;
     }
 
-    cpu_physical_memory_read(addr, &val, len);
+    dma_memory_read(&address_space_memory, addr, &val, len);
 
     if (len == 2)
         val = (val << 16) | (current->cmd_dep & 0x0000ffff);
@@ -398,7 +399,7 @@ static void store_word(DBDMA_channel *ch, int key, uint32_t 
addr,
     else if (len == 1)
         val >>= 24;
 
-    cpu_physical_memory_write(addr, &val, len);
+    dma_memory_write(&address_space_memory, addr, &val, len);
 
     if (conditional_wait(ch))
         goto wait;
-- 
1.7.10.4




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