diff options
Diffstat (limited to 'hw/cirrus_vga.c')
| -rw-r--r-- | hw/cirrus_vga.c | 81 |
1 files changed, 13 insertions, 68 deletions
diff --git a/hw/cirrus_vga.c b/hw/cirrus_vga.c index 4f57b92f57..c39acb9aff 100644 --- a/hw/cirrus_vga.c +++ b/hw/cirrus_vga.c @@ -2446,37 +2446,23 @@ static void cirrus_linear_write(void *opaque, target_phys_addr_t addr, ***************************************/ -static uint32_t cirrus_linear_bitblt_readb(void *opaque, target_phys_addr_t addr) +static uint64_t cirrus_linear_bitblt_read(void *opaque, + target_phys_addr_t addr, + unsigned size) { + CirrusVGAState *s = opaque; uint32_t ret; /* XXX handle bitblt */ + (void)s; ret = 0xff; return ret; } -static uint32_t cirrus_linear_bitblt_readw(void *opaque, target_phys_addr_t addr) -{ - uint32_t v; - - v = cirrus_linear_bitblt_readb(opaque, addr); - v |= cirrus_linear_bitblt_readb(opaque, addr + 1) << 8; - return v; -} - -static uint32_t cirrus_linear_bitblt_readl(void *opaque, target_phys_addr_t addr) -{ - uint32_t v; - - 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; - return v; -} - -static void cirrus_linear_bitblt_writeb(void *opaque, target_phys_addr_t addr, - uint32_t val) +static void cirrus_linear_bitblt_write(void *opaque, + target_phys_addr_t addr, + uint64_t val, + unsigned size) { CirrusVGAState *s = opaque; @@ -2489,55 +2475,14 @@ 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) -{ - cirrus_linear_bitblt_writeb(opaque, addr, val & 0xff); - cirrus_linear_bitblt_writeb(opaque, addr + 1, (val >> 8) & 0xff); -} - -static void cirrus_linear_bitblt_writel(void *opaque, target_phys_addr_t addr, - uint32_t val) -{ - 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); -} - -static uint64_t cirrus_linear_bitblt_read(void *opaque, - target_phys_addr_t addr, - unsigned size) -{ - CirrusVGAState *s = opaque; - - switch (size) { - case 1: return cirrus_linear_bitblt_readb(s, addr); - case 2: return cirrus_linear_bitblt_readw(s, addr); - case 4: return cirrus_linear_bitblt_readl(s, addr); - default: abort(); - } -}; - -static void cirrus_linear_bitblt_write(void *opaque, - target_phys_addr_t addr, - uint64_t data, - unsigned size) -{ - CirrusVGAState *s = opaque; - - switch (size) { - case 1: return cirrus_linear_bitblt_writeb(s, addr, data); - case 2: return cirrus_linear_bitblt_writew(s, addr, data); - case 4: return cirrus_linear_bitblt_writel(s, addr, data); - default: abort(); - } -}; - static const MemoryRegionOps cirrus_linear_bitblt_io_ops = { .read = cirrus_linear_bitblt_read, .write = cirrus_linear_bitblt_write, .endianness = DEVICE_LITTLE_ENDIAN, + .impl = { + .min_access_size = 1, + .max_access_size = 1, + }, }; static void unmap_bank(CirrusVGAState *s, unsigned bank) |