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spapr_pci: remove indirection for I/O port access 

This fixes endianness bugs in I/O port access.

Signed-off-by: Alexey Kardashevskiy <aik@ozlabs.ru>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Reviewed-by: Anthony Liguori <aliguori@us.ibm.com>
Message-id: 1374501278-31549-5-git-send-email-pbonzini@redhat.com
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
master
Alexey Kardashevskiy 2013-07-22 15:54:14 +02:00 committed by Anthony Liguori
parent 2b1096e02d
commit 66aab867ce
1 changed files with 2 additions and 39 deletions
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41
hw/ppc/spapr_pci.c
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@ -440,43 +440,6 @@ static void pci_spapr_set_irq(void *opaque, int irq_num, int level)
qemu_set_irq(spapr_phb_lsi_qirq(phb, irq_num), level);
}
static uint64_t spapr_io_read(void *opaque, hwaddr addr,
unsigned size)
{
switch (size) {
case 1:
return cpu_inb(addr);
case 2:
return cpu_inw(addr);
case 4:
return cpu_inl(addr);
}
g_assert_not_reached();
}
static void spapr_io_write(void *opaque, hwaddr addr,
uint64_t data, unsigned size)
{
switch (size) {
case 1:
cpu_outb(addr, data);
return;
case 2:
cpu_outw(addr, data);
return;
case 4:
cpu_outl(addr, data);
return;
}
g_assert_not_reached();
}
static const MemoryRegionOps spapr_io_ops = {
.endianness = DEVICE_LITTLE_ENDIAN,
.read = spapr_io_read,
.write = spapr_io_write
};
/*
* MSI/MSIX memory region implementation.
* The handler handles both MSI and MSIX.
@ -605,8 +568,8 @@ static int spapr_phb_init(SysBusDevice *s)
memory_region_add_subregion(get_system_io(), 0, &sphb->iospace);
sprintf(namebuf, "%s.io-alias", sphb->dtbusname);
memory_region_init_io(&sphb->iowindow, OBJECT(sphb), &spapr_io_ops, sphb,
namebuf, SPAPR_PCI_IO_WIN_SIZE);
memory_region_init_alias(&sphb->iowindow, OBJECT(sphb), namebuf,
get_system_io(), 0, SPAPR_PCI_IO_WIN_SIZE);
memory_region_add_subregion(get_system_memory(), sphb->io_win_addr,
&sphb->iowindow);