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[Qemu-devel] [PATCH] vga: Declare as little endian
From: |
Blue Swirl |
Subject: |
[Qemu-devel] [PATCH] vga: Declare as little endian |
Date: |
Sat, 11 Dec 2010 22:33:37 +0000 |
This patch replaces explicit bswaps with endianness hints to the
mmio layer.
CC: Alexander Graf <address@hidden>
Signed-off-by: Blue Swirl <address@hidden>
---
hw/vga.c | 26 +-------------------------
1 files changed, 1 insertions(+), 25 deletions(-)
diff --git a/hw/vga.c b/hw/vga.c
index b5c8741..c632fd7 100644
--- a/hw/vga.c
+++ b/hw/vga.c
@@ -767,30 +767,18 @@ uint32_t vga_mem_readb(void *opaque,
target_phys_addr_t addr)
static uint32_t vga_mem_readw(void *opaque, target_phys_addr_t addr)
{
uint32_t v;
-#ifdef TARGET_WORDS_BIGENDIAN
- v = vga_mem_readb(opaque, addr) << 8;
- v |= vga_mem_readb(opaque, addr + 1);
-#else
v = vga_mem_readb(opaque, addr);
v |= vga_mem_readb(opaque, addr + 1) << 8;
-#endif
return v;
}
static uint32_t vga_mem_readl(void *opaque, target_phys_addr_t addr)
{
uint32_t v;
-#ifdef TARGET_WORDS_BIGENDIAN
- v = vga_mem_readb(opaque, addr) << 24;
- v |= vga_mem_readb(opaque, addr + 1) << 16;
- v |= vga_mem_readb(opaque, addr + 2) << 8;
- v |= vga_mem_readb(opaque, addr + 3);
-#else
v = vga_mem_readb(opaque, addr);
v |= vga_mem_readb(opaque, addr + 1) << 8;
v |= vga_mem_readb(opaque, addr + 2) << 16;
v |= vga_mem_readb(opaque, addr + 3) << 24;
-#endif
return v;
}
@@ -931,28 +919,16 @@ void vga_mem_writeb(void *opaque,
target_phys_addr_t addr, uint32_t val)
static void vga_mem_writew(void *opaque, target_phys_addr_t addr, uint32_t val)
{
-#ifdef TARGET_WORDS_BIGENDIAN
- vga_mem_writeb(opaque, addr, (val >> 8) & 0xff);
- vga_mem_writeb(opaque, addr + 1, val & 0xff);
-#else
vga_mem_writeb(opaque, addr, val & 0xff);
vga_mem_writeb(opaque, addr + 1, (val >> 8) & 0xff);
-#endif
}
static void vga_mem_writel(void *opaque, target_phys_addr_t addr, uint32_t val)
{
-#ifdef TARGET_WORDS_BIGENDIAN
- vga_mem_writeb(opaque, addr, (val >> 24) & 0xff);
- vga_mem_writeb(opaque, addr + 1, (val >> 16) & 0xff);
- vga_mem_writeb(opaque, addr + 2, (val >> 8) & 0xff);
- vga_mem_writeb(opaque, addr + 3, val & 0xff);
-#else
vga_mem_writeb(opaque, addr, val & 0xff);
vga_mem_writeb(opaque, addr + 1, (val >> 8) & 0xff);
vga_mem_writeb(opaque, addr + 2, (val >> 16) & 0xff);
vga_mem_writeb(opaque, addr + 3, (val >> 24) & 0xff);
-#endif
}
typedef void vga_draw_glyph8_func(uint8_t *d, int linesize,
@@ -2321,7 +2297,7 @@ void vga_init(VGACommonState *s)
#endif /* CONFIG_BOCHS_VBE */
vga_io_memory = cpu_register_io_memory(vga_mem_read, vga_mem_write, s,
- DEVICE_NATIVE_ENDIAN);
+ DEVICE_LITTLE_ENDIAN);
cpu_register_physical_memory(isa_mem_base + 0x000a0000, 0x20000,
vga_io_memory);
qemu_register_coalesced_mmio(isa_mem_base + 0x000a0000, 0x20000);
--
1.6.2.4
- [Qemu-devel] [PATCH] vga: Declare as little endian,
Blue Swirl <=