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authorAndreas Färber <andreas.faerber@web.de>2012-01-12 03:44:42 +0100
committerAndreas Färber <andreas.faerber@web.de>2012-01-20 00:27:12 +0100
commit9c95f183fbac16dfaefab4a023e80fdfae273a76 (patch)
tree3067104c87709fbbc8be4c4044d14a420cf248eb /hw/prep_pci.c
parent555260540dc5a1988aed94a1aa2291bb5f947dac (diff)
prep_pci: Simplify I/O endianness
The prep PowerPC CPU is Big Endian. An explicit byte swap therefore effectively becomes Little Endian. Remove explicit byte swaps and mark as Little Endian. Signed-off-by: Andreas Färber <andreas.faerber@web.de> Reviewed-by: Alexander Graf <agraf@suse.de> Cc: Michael S. Tsirkin <mst@redhat.com>
Diffstat (limited to 'hw/prep_pci.c')
-rw-r--r--hw/prep_pci.c6
1 files changed, 1 insertions, 5 deletions
diff --git a/hw/prep_pci.c b/hw/prep_pci.c
index 741b27368..edfb25d00 100644
--- a/hw/prep_pci.c
+++ b/hw/prep_pci.c
@@ -53,14 +53,12 @@ static void PPC_PCIIO_writeb (void *opaque, target_phys_addr_t addr, uint32_t va
static void PPC_PCIIO_writew (void *opaque, target_phys_addr_t addr, uint32_t val)
{
PREPPCIState *s = opaque;
- val = bswap16(val);
pci_data_write(s->bus, PPC_PCIIO_config(addr), val, 2);
}
static void PPC_PCIIO_writel (void *opaque, target_phys_addr_t addr, uint32_t val)
{
PREPPCIState *s = opaque;
- val = bswap32(val);
pci_data_write(s->bus, PPC_PCIIO_config(addr), val, 4);
}
@@ -77,7 +75,6 @@ static uint32_t PPC_PCIIO_readw (void *opaque, target_phys_addr_t addr)
PREPPCIState *s = opaque;
uint32_t val;
val = pci_data_read(s->bus, PPC_PCIIO_config(addr), 2);
- val = bswap16(val);
return val;
}
@@ -86,7 +83,6 @@ static uint32_t PPC_PCIIO_readl (void *opaque, target_phys_addr_t addr)
PREPPCIState *s = opaque;
uint32_t val;
val = pci_data_read(s->bus, PPC_PCIIO_config(addr), 4);
- val = bswap32(val);
return val;
}
@@ -95,7 +91,7 @@ static const MemoryRegionOps PPC_PCIIO_ops = {
.read = { PPC_PCIIO_readb, PPC_PCIIO_readw, PPC_PCIIO_readl, },
.write = { PPC_PCIIO_writeb, PPC_PCIIO_writew, PPC_PCIIO_writel, },
},
- .endianness = DEVICE_NATIVE_ENDIAN,
+ .endianness = DEVICE_LITTLE_ENDIAN,
};
static int prep_map_irq(PCIDevice *pci_dev, int irq_num)