From patchwork Mon Oct 8 12:23:51 2012 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Subject: [12/14] xen_platform: convert PIO to new memory api read/write Date: Mon, 08 Oct 2012 02:23:51 -0000 From: Alexander Graf X-Patchwork-Id: 190037 Message-Id: <1349699033-6703-13-git-send-email-agraf@suse.de> To: qemu-devel qemu-devel Cc: Anthony Liguori , xen-devel@lists.xensource.com, Stefano Stabellini , "qemu-ppc@nongnu.org List" , Avi Kivity , Scott Wood , David Gibson Signed-off-by: Alexander Graf --- hw/xen_platform.c | 48 ++++++++++++++++++++++++++++++++++++++---------- 1 files changed, 38 insertions(+), 10 deletions(-) diff --git a/hw/xen_platform.c b/hw/xen_platform.c index 956dbfe..171f8ff 100644 --- a/hw/xen_platform.c +++ b/hw/xen_platform.c @@ -228,18 +228,46 @@ static void platform_fixed_ioport_reset(void *opaque) platform_fixed_ioport_writeb(s, 0, 0); } -const MemoryRegionPortio xen_platform_ioport[] = { - { 0, 16, 4, .write = platform_fixed_ioport_writel, }, - { 0, 16, 2, .write = platform_fixed_ioport_writew, }, - { 0, 16, 1, .write = platform_fixed_ioport_writeb, }, - { 0, 16, 2, .read = platform_fixed_ioport_readw, }, - { 0, 16, 1, .read = platform_fixed_ioport_readb, }, - PORTIO_END_OF_LIST() -}; +static uint64_t platform_fixed_ioport_read(void *opaque, + target_phys_addr_t addr, + unsigned size) +{ + switch (size) { + case 1: + return platform_fixed_ioport_readb(opaque, addr); + case 2: + return platform_fixed_ioport_readw(opaque, addr); + default: + return -1; + } +} + +static void platform_fixed_ioport_write(void *opaque, target_phys_addr_t addr, + + uint64_t val, unsigned size) +{ + switch (size) { + case 1: + platform_fixed_ioport_writeb(opaque, addr, val); + break; + case 2: + platform_fixed_ioport_writew(opaque, addr, val); + break; + case 4: + platform_fixed_ioport_writel(opaque, addr, val); + break; + } +} + static const MemoryRegionOps platform_fixed_io_ops = { - .old_portio = xen_platform_ioport, - .endianness = DEVICE_NATIVE_ENDIAN, + .read = platform_fixed_ioport_read, + .write = platform_fixed_ioport_write, + .impl = { + .min_access_size = 1, + .max_access_size = 4, + }, + .endianness = DEVICE_LITTLE_ENDIAN, }; static void platform_fixed_ioport_init(PCIXenPlatformState* s)