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[Qemu-devel] [PATCH 07/14] ac97: use the DMA memory access interface
From: |
David Gibson |
Subject: |
[Qemu-devel] [PATCH 07/14] ac97: use the DMA memory access interface |
Date: |
Fri, 3 Jun 2011 01:12:35 +1000 |
This allows the device to work properly with an emulated IOMMU.
Signed-off-by: Eduard - Gabriel Munteanu <address@hidden>
---
hw/ac97.c | 6 +++---
1 files changed, 3 insertions(+), 3 deletions(-)
diff --git a/hw/ac97.c b/hw/ac97.c
index a946c1a..a947afc 100644
--- a/hw/ac97.c
+++ b/hw/ac97.c
@@ -223,7 +223,7 @@ static void fetch_bd (AC97LinkState *s, AC97BusMasterRegs
*r)
{
uint8_t b[8];
- cpu_physical_memory_read (r->bdbar + r->civ * 8, b, 8);
+ dma_memory_read (&s->dev.qdev, r->bdbar + r->civ * 8, b, 8);
r->bd_valid = 1;
r->bd.addr = le32_to_cpu (*(uint32_t *) &b[0]) & ~3;
r->bd.ctl_len = le32_to_cpu (*(uint32_t *) &b[4]);
@@ -972,7 +972,7 @@ static int write_audio (AC97LinkState *s, AC97BusMasterRegs
*r,
while (temp) {
int copied;
to_copy = audio_MIN (temp, sizeof (tmpbuf));
- cpu_physical_memory_read (addr, tmpbuf, to_copy);
+ dma_memory_read (&s->dev.qdev, addr, tmpbuf, to_copy);
copied = AUD_write (s->voice_po, tmpbuf, to_copy);
dolog ("write_audio max=%x to_copy=%x copied=%x\n",
max, to_copy, copied);
@@ -1053,7 +1053,7 @@ static int read_audio (AC97LinkState *s,
AC97BusMasterRegs *r,
*stop = 1;
break;
}
- cpu_physical_memory_write (addr, tmpbuf, acquired);
+ dma_memory_write (&s->dev.qdev, addr, tmpbuf, acquired);
temp -= acquired;
addr += acquired;
nread += acquired;
--
1.7.4.4
- [Qemu-devel] [PATCH 13/14] usb-ohci: use the DMA memory access interface, (continued)
[Qemu-devel] [PATCH 10/14] lsi53c895a: use the DMA memory access interface, David Gibson, 2011/06/02
[Qemu-devel] [PATCH 09/14] e1000: use the DMA memory access interface, David Gibson, 2011/06/02
[Qemu-devel] [PATCH 08/14] es1370: use the DMA memory access interface, David Gibson, 2011/06/02
[Qemu-devel] [PATCH 05/14] rtl8139: use the DMA memory access interface, David Gibson, 2011/06/02
[Qemu-devel] [PATCH 07/14] ac97: use the DMA memory access interface,
David Gibson <=
[Qemu-devel] [PATCH 03/14] AMD IOMMU emulation, David Gibson, 2011/06/02
[Qemu-devel] [PATCH 11/14] pcnet: use the DMA memory access interface, David Gibson, 2011/06/02
[Qemu-devel] [PATCH 14/14] Make spapr tces use generic dma layer, David Gibson, 2011/06/02
[Qemu-devel] [PATCH 12/14] usb-uhci: use the DMA memory access interface, David Gibson, 2011/06/02
[Qemu-devel] [PATCH 06/14] eepro100: use the DMA memory access interface, David Gibson, 2011/06/02