diff options
Diffstat (limited to 'hw/vga.c')
| -rw-r--r-- | hw/vga.c | 56 |
1 files changed, 8 insertions, 48 deletions
@@ -708,9 +708,8 @@ static void vbe_ioport_write_data(void *opaque, uint32_t addr, uint32_t val) #endif /* called for accesses between 0xa0000 and 0xc0000 */ -uint32_t vga_mem_readb(void *opaque, target_phys_addr_t addr) +uint32_t vga_mem_readb(VGACommonState *s, target_phys_addr_t addr) { - VGACommonState *s = opaque; int memory_map_mode, plane; uint32_t ret; @@ -764,28 +763,9 @@ uint32_t vga_mem_readb(void *opaque, target_phys_addr_t addr) return ret; } -static uint32_t vga_mem_readw(void *opaque, target_phys_addr_t addr) -{ - uint32_t v; - v = vga_mem_readb(opaque, addr); - v |= vga_mem_readb(opaque, addr + 1) << 8; - return v; -} - -static uint32_t vga_mem_readl(void *opaque, target_phys_addr_t addr) -{ - uint32_t v; - 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; - return v; -} - /* called for accesses between 0xa0000 and 0xc0000 */ -void vga_mem_writeb(void *opaque, target_phys_addr_t addr, uint32_t val) +void vga_mem_writeb(VGACommonState *s, target_phys_addr_t addr, uint32_t val) { - VGACommonState *s = opaque; int memory_map_mode, plane, write_mode, b, func_select, mask; uint32_t write_mask, bit_mask, set_mask; @@ -917,20 +897,6 @@ 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) -{ - vga_mem_writeb(opaque, addr, val & 0xff); - vga_mem_writeb(opaque, addr + 1, (val >> 8) & 0xff); -} - -static void vga_mem_writel(void *opaque, target_phys_addr_t addr, uint32_t val) -{ - 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); -} - typedef void vga_draw_glyph8_func(uint8_t *d, int linesize, const uint8_t *font_ptr, int h, uint32_t fgcol, uint32_t bgcol); @@ -2105,12 +2071,7 @@ static uint64_t vga_mem_read(void *opaque, target_phys_addr_t addr, { VGACommonState *s = opaque; - switch (size) { - case 1: return vga_mem_readb(s, addr); - case 2: return vga_mem_readw(s, addr); - case 4: return vga_mem_readl(s, addr); - default: abort(); - } + return vga_mem_readb(s, addr); } static void vga_mem_write(void *opaque, target_phys_addr_t addr, @@ -2118,18 +2079,17 @@ static void vga_mem_write(void *opaque, target_phys_addr_t addr, { VGACommonState *s = opaque; - switch (size) { - case 1: return vga_mem_writeb(s, addr, data); - case 2: return vga_mem_writew(s, addr, data); - case 4: return vga_mem_writel(s, addr, data); - default: abort(); - } + return vga_mem_writeb(s, addr, data); } const MemoryRegionOps vga_mem_ops = { .read = vga_mem_read, .write = vga_mem_write, .endianness = DEVICE_LITTLE_ENDIAN, + .impl = { + .min_access_size = 1, + .max_access_size = 1, + }, }; static int vga_common_post_load(void *opaque, int version_id) |