summaryrefslogtreecommitdiff
path: root/hw
diff options
context:
space:
mode:
authorbellard <bellard@c046a42c-6fe2-441c-8c8c-71466251a162>2006-08-18 09:32:04 +0000
committerbellard <bellard@c046a42c-6fe2-441c-8c8c-71466251a162>2006-08-18 09:32:04 +0000
commit83acc96b235753f089fadd7f755a9856a31165f2 (patch)
treeb82533840efcbc4bf0b9419636b5aa00f585c3ee /hw
parent6e1b3e4da4de3720c8bd29cf22933a87e801b0d5 (diff)
downloadqemu-83acc96b235753f089fadd7f755a9856a31165f2.tar.gz
fixed VGA resolutions with height > 1024
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@2121 c046a42c-6fe2-441c-8c8c-71466251a162
Diffstat (limited to 'hw')
-rw-r--r--hw/cirrus_vga.c13
-rw-r--r--hw/vga.c18
-rw-r--r--hw/vga_int.h3
3 files changed, 22 insertions, 12 deletions
diff --git a/hw/cirrus_vga.c b/hw/cirrus_vga.c
index 94163e598d..d8fb37a897 100644
--- a/hw/cirrus_vga.c
+++ b/hw/cirrus_vga.c
@@ -1000,12 +1000,12 @@ static void cirrus_write_bitblt(CirrusVGAState * s, unsigned reg_value)
***************************************/
static void cirrus_get_offsets(VGAState *s1,
- uint32_t *pline_offset,
- uint32_t *pstart_addr)
+ uint32_t *pline_offset,
+ uint32_t *pstart_addr,
+ uint32_t *pline_compare)
{
CirrusVGAState * s = (CirrusVGAState *)s1;
- uint32_t start_addr;
- uint32_t line_offset;
+ uint32_t start_addr, line_offset, line_compare;
line_offset = s->cr[0x13]
| ((s->cr[0x1b] & 0x10) << 4);
@@ -1018,6 +1018,11 @@ static void cirrus_get_offsets(VGAState *s1,
| ((s->cr[0x1b] & 0x0c) << 15)
| ((s->cr[0x1d] & 0x80) << 12);
*pstart_addr = start_addr;
+
+ line_compare = s->cr[0x18] |
+ ((s->cr[0x07] & 0x10) << 4) |
+ ((s->cr[0x09] & 0x40) << 3);
+ *pline_compare = line_compare;
}
static uint32_t cirrus_get_bpp16_depth(CirrusVGAState * s)
diff --git a/hw/vga.c b/hw/vga.c
index c77b9f9ff1..4ecb7a95cf 100644
--- a/hw/vga.c
+++ b/hw/vga.c
@@ -935,13 +935,15 @@ static int update_palette256(VGAState *s)
static void vga_get_offsets(VGAState *s,
uint32_t *pline_offset,
- uint32_t *pstart_addr)
+ uint32_t *pstart_addr,
+ uint32_t *pline_compare)
{
- uint32_t start_addr, line_offset;
+ uint32_t start_addr, line_offset, line_compare;
#ifdef CONFIG_BOCHS_VBE
if (s->vbe_regs[VBE_DISPI_INDEX_ENABLE] & VBE_DISPI_ENABLED) {
line_offset = s->vbe_line_offset;
start_addr = s->vbe_start_addr;
+ line_compare = 65535;
} else
#endif
{
@@ -951,9 +953,15 @@ static void vga_get_offsets(VGAState *s,
/* starting address */
start_addr = s->cr[0x0d] | (s->cr[0x0c] << 8);
+
+ /* line compare */
+ line_compare = s->cr[0x18] |
+ ((s->cr[0x07] & 0x10) << 4) |
+ ((s->cr[0x09] & 0x40) << 3);
}
*pline_offset = line_offset;
*pstart_addr = start_addr;
+ *pline_compare = line_compare;
}
/* update start_addr and line_offset. Return TRUE if modified */
@@ -964,11 +972,7 @@ static int update_basic_params(VGAState *s)
full_update = 0;
- s->get_offsets(s, &line_offset, &start_addr);
- /* line compare */
- line_compare = s->cr[0x18] |
- ((s->cr[0x07] & 0x10) << 4) |
- ((s->cr[0x09] & 0x40) << 3);
+ s->get_offsets(s, &line_offset, &start_addr, &line_compare);
if (line_offset != s->line_offset ||
start_addr != s->start_addr ||
diff --git a/hw/vga_int.h b/hw/vga_int.h
index e4a4a46cd4..70127768a4 100644
--- a/hw/vga_int.h
+++ b/hw/vga_int.h
@@ -108,7 +108,8 @@
int (*get_bpp)(struct VGAState *s); \
void (*get_offsets)(struct VGAState *s, \
uint32_t *pline_offset, \
- uint32_t *pstart_addr); \
+ uint32_t *pstart_addr, \
+ uint32_t *pline_compare); \
void (*get_resolution)(struct VGAState *s, \
int *pwidth, \
int *pheight); \