diff options
author | Michael S. Tsirkin <mst@redhat.com> | 2011-01-10 13:43:48 +0200 |
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committer | Michael S. Tsirkin <mst@redhat.com> | 2011-01-10 13:43:48 +0200 |
commit | 6107ff12922e5508a44b376b40a3041810cb00d2 (patch) | |
tree | 56098d53043a8fcdd01dbf0dca565ceab09f95b3 /hw/cirrus_vga.c | |
parent | be92bbf73dfd7d8a4786dc5f6c71590f4fbc5a32 (diff) | |
parent | 8aaf42ed0f203da63860b0a3ab3ff2bdfe9b4cb0 (diff) |
Merge remote branch 'origin/master' into pci
Diffstat (limited to 'hw/cirrus_vga.c')
-rw-r--r-- | hw/cirrus_vga.c | 183 |
1 files changed, 48 insertions, 135 deletions
diff --git a/hw/cirrus_vga.c b/hw/cirrus_vga.c index 0d522a0540..5f45b5dee7 100644 --- a/hw/cirrus_vga.c +++ b/hw/cirrus_vga.c @@ -673,45 +673,46 @@ static int cirrus_bitblt_videotovideo_patterncopy(CirrusVGAState * s) static void cirrus_do_copy(CirrusVGAState *s, int dst, int src, int w, int h) { - int sx, sy; - int dx, dy; - int width, height; - int depth; + int sx = 0, sy = 0; + int dx = 0, dy = 0; + int depth = 0; int notify = 0; - depth = s->vga.get_bpp(&s->vga) / 8; - s->vga.get_resolution(&s->vga, &width, &height); - - /* extra x, y */ - sx = (src % ABS(s->cirrus_blt_srcpitch)) / depth; - sy = (src / ABS(s->cirrus_blt_srcpitch)); - dx = (dst % ABS(s->cirrus_blt_dstpitch)) / depth; - dy = (dst / ABS(s->cirrus_blt_dstpitch)); - - /* normalize width */ - w /= depth; - - /* if we're doing a backward copy, we have to adjust - our x/y to be the upper left corner (instead of the lower - right corner) */ - if (s->cirrus_blt_dstpitch < 0) { - sx -= (s->cirrus_blt_width / depth) - 1; - dx -= (s->cirrus_blt_width / depth) - 1; - sy -= s->cirrus_blt_height - 1; - dy -= s->cirrus_blt_height - 1; - } + /* make sure to only copy if it's a plain copy ROP */ + if (*s->cirrus_rop == cirrus_bitblt_rop_fwd_src || + *s->cirrus_rop == cirrus_bitblt_rop_bkwd_src) { - /* are we in the visible portion of memory? */ - if (sx >= 0 && sy >= 0 && dx >= 0 && dy >= 0 && - (sx + w) <= width && (sy + h) <= height && - (dx + w) <= width && (dy + h) <= height) { - notify = 1; - } + int width, height; + + depth = s->vga.get_bpp(&s->vga) / 8; + s->vga.get_resolution(&s->vga, &width, &height); + + /* extra x, y */ + sx = (src % ABS(s->cirrus_blt_srcpitch)) / depth; + sy = (src / ABS(s->cirrus_blt_srcpitch)); + dx = (dst % ABS(s->cirrus_blt_dstpitch)) / depth; + dy = (dst / ABS(s->cirrus_blt_dstpitch)); - /* make to sure only copy if it's a plain copy ROP */ - if (*s->cirrus_rop != cirrus_bitblt_rop_fwd_src && - *s->cirrus_rop != cirrus_bitblt_rop_bkwd_src) - notify = 0; + /* normalize width */ + w /= depth; + + /* if we're doing a backward copy, we have to adjust + our x/y to be the upper left corner (instead of the lower + right corner) */ + if (s->cirrus_blt_dstpitch < 0) { + sx -= (s->cirrus_blt_width / depth) - 1; + dx -= (s->cirrus_blt_width / depth) - 1; + sy -= s->cirrus_blt_height - 1; + dy -= s->cirrus_blt_height - 1; + } + + /* are we in the visible portion of memory? */ + if (sx >= 0 && sy >= 0 && dx >= 0 && dy >= 0 && + (sx + w) <= width && (sy + h) <= height && + (dx + w) <= width && (dy + h) <= height) { + notify = 1; + } + } /* we have to flush all pending changes so that the copy is generated at the appropriate moment in time */ @@ -2003,30 +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; } @@ -2097,28 +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] = { @@ -2340,30 +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; } @@ -2411,29 +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 } @@ -2468,30 +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; } @@ -2512,29 +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 } @@ -2841,30 +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; } @@ -2885,29 +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 } @@ -3077,7 +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); @@ -3085,18 +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; |