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path: root/hw/cirrus_vga.c
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Diffstat (limited to 'hw/cirrus_vga.c')
-rw-r--r--hw/cirrus_vga.c183
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;
generated by cgit v1.2.3 (git 2.26.2) at 2024-12-14 01:40:15 +0000