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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>
master
Andreas Färber 2012-01-12 03:44:42 +01:00
parent 555260540d
commit 9c95f183fb
1 changed files with 1 additions and 5 deletions
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6
hw/prep_pci.c
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@ -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)