From 3fbb33d08d63908849a037ad6432cb12c763dd12 Mon Sep 17 00:00:00 2001 From: Blue Swirl Date: Thu, 6 Jan 2011 18:25:26 +0000 Subject: [PATCH] cirrus_vga: Declare as little endian This patch replaces explicit bswaps with endianness hints to the mmio layer. CC: Alexander Graf Signed-off-by: Blue Swirl --- hw/cirrus_vga.c | 112 ++++++------------------------------------------ 1 file changed, 12 insertions(+), 100 deletions(-) diff --git a/hw/cirrus_vga.c b/hw/cirrus_vga.c index 199136ce7d..833a2eb4be 100644 --- a/hw/cirrus_vga.c +++ b/hw/cirrus_vga.c @@ -2004,30 +2004,20 @@ static uint32_t cirrus_vga_mem_readb(void *opaque, target_phys_addr_t addr) static uint32_t cirrus_vga_mem_readw(void *opaque, target_phys_addr_t addr) { uint32_t v; -#ifdef TARGET_WORDS_BIGENDIAN - v = cirrus_vga_mem_readb(opaque, addr) << 8; - v |= cirrus_vga_mem_readb(opaque, addr + 1); -#else + v = cirrus_vga_mem_readb(opaque, addr); v |= cirrus_vga_mem_readb(opaque, addr + 1) << 8; -#endif return v; } static uint32_t cirrus_vga_mem_readl(void *opaque, target_phys_addr_t addr) { uint32_t v; -#ifdef TARGET_WORDS_BIGENDIAN - v = cirrus_vga_mem_readb(opaque, addr) << 24; - v |= cirrus_vga_mem_readb(opaque, addr + 1) << 16; - v |= cirrus_vga_mem_readb(opaque, addr + 2) << 8; - v |= cirrus_vga_mem_readb(opaque, addr + 3); -#else + v = cirrus_vga_mem_readb(opaque, addr); v |= cirrus_vga_mem_readb(opaque, addr + 1) << 8; v |= cirrus_vga_mem_readb(opaque, addr + 2) << 16; v |= cirrus_vga_mem_readb(opaque, addr + 3) << 24; -#endif return v; } @@ -2098,28 +2088,16 @@ static void cirrus_vga_mem_writeb(void *opaque, target_phys_addr_t addr, static void cirrus_vga_mem_writew(void *opaque, target_phys_addr_t addr, uint32_t val) { -#ifdef TARGET_WORDS_BIGENDIAN - cirrus_vga_mem_writeb(opaque, addr, (val >> 8) & 0xff); - cirrus_vga_mem_writeb(opaque, addr + 1, val & 0xff); -#else cirrus_vga_mem_writeb(opaque, addr, val & 0xff); cirrus_vga_mem_writeb(opaque, addr + 1, (val >> 8) & 0xff); -#endif } static void cirrus_vga_mem_writel(void *opaque, target_phys_addr_t addr, uint32_t val) { -#ifdef TARGET_WORDS_BIGENDIAN - cirrus_vga_mem_writeb(opaque, addr, (val >> 24) & 0xff); - cirrus_vga_mem_writeb(opaque, addr + 1, (val >> 16) & 0xff); - cirrus_vga_mem_writeb(opaque, addr + 2, (val >> 8) & 0xff); - cirrus_vga_mem_writeb(opaque, addr + 3, val & 0xff); -#else cirrus_vga_mem_writeb(opaque, addr, val & 0xff); cirrus_vga_mem_writeb(opaque, addr + 1, (val >> 8) & 0xff); cirrus_vga_mem_writeb(opaque, addr + 2, (val >> 16) & 0xff); cirrus_vga_mem_writeb(opaque, addr + 3, (val >> 24) & 0xff); -#endif } static CPUReadMemoryFunc * const cirrus_vga_mem_read[3] = { @@ -2341,30 +2319,20 @@ static uint32_t cirrus_linear_readb(void *opaque, target_phys_addr_t addr) static uint32_t cirrus_linear_readw(void *opaque, target_phys_addr_t addr) { uint32_t v; -#ifdef TARGET_WORDS_BIGENDIAN - v = cirrus_linear_readb(opaque, addr) << 8; - v |= cirrus_linear_readb(opaque, addr + 1); -#else + v = cirrus_linear_readb(opaque, addr); v |= cirrus_linear_readb(opaque, addr + 1) << 8; -#endif return v; } static uint32_t cirrus_linear_readl(void *opaque, target_phys_addr_t addr) { uint32_t v; -#ifdef TARGET_WORDS_BIGENDIAN - v = cirrus_linear_readb(opaque, addr) << 24; - v |= cirrus_linear_readb(opaque, addr + 1) << 16; - v |= cirrus_linear_readb(opaque, addr + 2) << 8; - v |= cirrus_linear_readb(opaque, addr + 3); -#else + v = cirrus_linear_readb(opaque, addr); v |= cirrus_linear_readb(opaque, addr + 1) << 8; v |= cirrus_linear_readb(opaque, addr + 2) << 16; v |= cirrus_linear_readb(opaque, addr + 3) << 24; -#endif return v; } @@ -2412,29 +2380,17 @@ static void cirrus_linear_writeb(void *opaque, target_phys_addr_t addr, static void cirrus_linear_writew(void *opaque, target_phys_addr_t addr, uint32_t val) { -#ifdef TARGET_WORDS_BIGENDIAN - cirrus_linear_writeb(opaque, addr, (val >> 8) & 0xff); - cirrus_linear_writeb(opaque, addr + 1, val & 0xff); -#else cirrus_linear_writeb(opaque, addr, val & 0xff); cirrus_linear_writeb(opaque, addr + 1, (val >> 8) & 0xff); -#endif } static void cirrus_linear_writel(void *opaque, target_phys_addr_t addr, uint32_t val) { -#ifdef TARGET_WORDS_BIGENDIAN - cirrus_linear_writeb(opaque, addr, (val >> 24) & 0xff); - cirrus_linear_writeb(opaque, addr + 1, (val >> 16) & 0xff); - cirrus_linear_writeb(opaque, addr + 2, (val >> 8) & 0xff); - cirrus_linear_writeb(opaque, addr + 3, val & 0xff); -#else cirrus_linear_writeb(opaque, addr, val & 0xff); cirrus_linear_writeb(opaque, addr + 1, (val >> 8) & 0xff); cirrus_linear_writeb(opaque, addr + 2, (val >> 16) & 0xff); cirrus_linear_writeb(opaque, addr + 3, (val >> 24) & 0xff); -#endif } @@ -2469,30 +2425,20 @@ static uint32_t cirrus_linear_bitblt_readb(void *opaque, target_phys_addr_t addr static uint32_t cirrus_linear_bitblt_readw(void *opaque, target_phys_addr_t addr) { uint32_t v; -#ifdef TARGET_WORDS_BIGENDIAN - v = cirrus_linear_bitblt_readb(opaque, addr) << 8; - v |= cirrus_linear_bitblt_readb(opaque, addr + 1); -#else + v = cirrus_linear_bitblt_readb(opaque, addr); v |= cirrus_linear_bitblt_readb(opaque, addr + 1) << 8; -#endif return v; } static uint32_t cirrus_linear_bitblt_readl(void *opaque, target_phys_addr_t addr) { uint32_t v; -#ifdef TARGET_WORDS_BIGENDIAN - v = cirrus_linear_bitblt_readb(opaque, addr) << 24; - v |= cirrus_linear_bitblt_readb(opaque, addr + 1) << 16; - v |= cirrus_linear_bitblt_readb(opaque, addr + 2) << 8; - v |= cirrus_linear_bitblt_readb(opaque, addr + 3); -#else + v = cirrus_linear_bitblt_readb(opaque, addr); v |= cirrus_linear_bitblt_readb(opaque, addr + 1) << 8; v |= cirrus_linear_bitblt_readb(opaque, addr + 2) << 16; v |= cirrus_linear_bitblt_readb(opaque, addr + 3) << 24; -#endif return v; } @@ -2513,29 +2459,17 @@ static void cirrus_linear_bitblt_writeb(void *opaque, target_phys_addr_t addr, static void cirrus_linear_bitblt_writew(void *opaque, target_phys_addr_t addr, uint32_t val) { -#ifdef TARGET_WORDS_BIGENDIAN - cirrus_linear_bitblt_writeb(opaque, addr, (val >> 8) & 0xff); - cirrus_linear_bitblt_writeb(opaque, addr + 1, val & 0xff); -#else cirrus_linear_bitblt_writeb(opaque, addr, val & 0xff); cirrus_linear_bitblt_writeb(opaque, addr + 1, (val >> 8) & 0xff); -#endif } static void cirrus_linear_bitblt_writel(void *opaque, target_phys_addr_t addr, uint32_t val) { -#ifdef TARGET_WORDS_BIGENDIAN - cirrus_linear_bitblt_writeb(opaque, addr, (val >> 24) & 0xff); - cirrus_linear_bitblt_writeb(opaque, addr + 1, (val >> 16) & 0xff); - cirrus_linear_bitblt_writeb(opaque, addr + 2, (val >> 8) & 0xff); - cirrus_linear_bitblt_writeb(opaque, addr + 3, val & 0xff); -#else cirrus_linear_bitblt_writeb(opaque, addr, val & 0xff); cirrus_linear_bitblt_writeb(opaque, addr + 1, (val >> 8) & 0xff); cirrus_linear_bitblt_writeb(opaque, addr + 2, (val >> 16) & 0xff); cirrus_linear_bitblt_writeb(opaque, addr + 3, (val >> 24) & 0xff); -#endif } @@ -2842,30 +2776,20 @@ static uint32_t cirrus_mmio_readb(void *opaque, target_phys_addr_t addr) static uint32_t cirrus_mmio_readw(void *opaque, target_phys_addr_t addr) { uint32_t v; -#ifdef TARGET_WORDS_BIGENDIAN - v = cirrus_mmio_readb(opaque, addr) << 8; - v |= cirrus_mmio_readb(opaque, addr + 1); -#else + v = cirrus_mmio_readb(opaque, addr); v |= cirrus_mmio_readb(opaque, addr + 1) << 8; -#endif return v; } static uint32_t cirrus_mmio_readl(void *opaque, target_phys_addr_t addr) { uint32_t v; -#ifdef TARGET_WORDS_BIGENDIAN - v = cirrus_mmio_readb(opaque, addr) << 24; - v |= cirrus_mmio_readb(opaque, addr + 1) << 16; - v |= cirrus_mmio_readb(opaque, addr + 2) << 8; - v |= cirrus_mmio_readb(opaque, addr + 3); -#else + v = cirrus_mmio_readb(opaque, addr); v |= cirrus_mmio_readb(opaque, addr + 1) << 8; v |= cirrus_mmio_readb(opaque, addr + 2) << 16; v |= cirrus_mmio_readb(opaque, addr + 3) << 24; -#endif return v; } @@ -2886,29 +2810,17 @@ static void cirrus_mmio_writeb(void *opaque, target_phys_addr_t addr, static void cirrus_mmio_writew(void *opaque, target_phys_addr_t addr, uint32_t val) { -#ifdef TARGET_WORDS_BIGENDIAN - cirrus_mmio_writeb(opaque, addr, (val >> 8) & 0xff); - cirrus_mmio_writeb(opaque, addr + 1, val & 0xff); -#else cirrus_mmio_writeb(opaque, addr, val & 0xff); cirrus_mmio_writeb(opaque, addr + 1, (val >> 8) & 0xff); -#endif } static void cirrus_mmio_writel(void *opaque, target_phys_addr_t addr, uint32_t val) { -#ifdef TARGET_WORDS_BIGENDIAN - cirrus_mmio_writeb(opaque, addr, (val >> 24) & 0xff); - cirrus_mmio_writeb(opaque, addr + 1, (val >> 16) & 0xff); - cirrus_mmio_writeb(opaque, addr + 2, (val >> 8) & 0xff); - cirrus_mmio_writeb(opaque, addr + 3, val & 0xff); -#else cirrus_mmio_writeb(opaque, addr, val & 0xff); cirrus_mmio_writeb(opaque, addr + 1, (val >> 8) & 0xff); cirrus_mmio_writeb(opaque, addr + 2, (val >> 16) & 0xff); cirrus_mmio_writeb(opaque, addr + 3, (val >> 24) & 0xff); -#endif } @@ -3078,7 +2990,7 @@ static void cirrus_init_common(CirrusVGAState * s, int device_id, int is_pci) s->vga.vga_io_memory = cpu_register_io_memory(cirrus_vga_mem_read, cirrus_vga_mem_write, s, - DEVICE_NATIVE_ENDIAN); + DEVICE_LITTLE_ENDIAN); cpu_register_physical_memory(isa_mem_base + 0x000a0000, 0x20000, s->vga.vga_io_memory); qemu_register_coalesced_mmio(isa_mem_base + 0x000a0000, 0x20000); @@ -3086,18 +2998,18 @@ static void cirrus_init_common(CirrusVGAState * s, int device_id, int is_pci) /* I/O handler for LFB */ s->cirrus_linear_io_addr = cpu_register_io_memory(cirrus_linear_read, cirrus_linear_write, s, - DEVICE_NATIVE_ENDIAN); + DEVICE_LITTLE_ENDIAN); /* I/O handler for LFB */ s->cirrus_linear_bitblt_io_addr = cpu_register_io_memory(cirrus_linear_bitblt_read, cirrus_linear_bitblt_write, s, - DEVICE_NATIVE_ENDIAN); + DEVICE_LITTLE_ENDIAN); /* I/O handler for memory-mapped I/O */ s->cirrus_mmio_io_addr = cpu_register_io_memory(cirrus_mmio_read, cirrus_mmio_write, s, - DEVICE_NATIVE_ENDIAN); + DEVICE_LITTLE_ENDIAN); s->real_vram_size = (s->device_id == CIRRUS_ID_CLGD5446) ? 4096 * 1024 : 2048 * 1024;