diff options
| author | Gerd Hoffmann <kraxel@redhat.com> | 2010-03-25 11:38:52 +0100 |
|---|---|---|
| committer | Aurelien Jarno <aurelien@aurel32.net> | 2010-04-08 11:11:21 +0200 |
| commit | af92284bec7ddbd76ddd105c40718627dda3407e (patch) | |
| tree | d20ac2408da1ac8c49f60f3c56410c674170ad4e /hw/vga.c | |
| parent | 2db7ad59fc51ac948a0574bea00bfe389b624e8b (diff) | |
update bochs vbe interface
The bochs vbe interface got a new register a while back, which specifies
the linear framebuffer size in 64k units. This patch adds support for
the new register to qemu. With this patch applied vgabios 0.6c works
with qemu.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
Diffstat (limited to 'hw/vga.c')
| -rw-r--r-- | hw/vga.c | 6 |
1 files changed, 4 insertions, 2 deletions
@@ -522,7 +522,7 @@ static uint32_t vbe_ioport_read_data(void *opaque, uint32_t addr) VGACommonState *s = opaque; uint32_t val; - if (s->vbe_index <= VBE_DISPI_INDEX_NB) { + if (s->vbe_index < VBE_DISPI_INDEX_NB) { if (s->vbe_regs[VBE_DISPI_INDEX_ENABLE] & VBE_DISPI_GETCAPS) { switch(s->vbe_index) { /* XXX: do not hardcode ? */ @@ -542,6 +542,8 @@ static uint32_t vbe_ioport_read_data(void *opaque, uint32_t addr) } else { val = s->vbe_regs[s->vbe_index]; } + } else if (s->vbe_index == VBE_DISPI_INDEX_VIDEO_MEMORY_64K) { + val = s->vram_size / (64 * 1024); } else { val = 0; } @@ -1955,7 +1957,7 @@ void vga_common_reset(VGACommonState *s) #ifdef CONFIG_BOCHS_VBE s->vbe_index = 0; memset(s->vbe_regs, '\0', sizeof(s->vbe_regs)); - s->vbe_regs[VBE_DISPI_INDEX_ID] = VBE_DISPI_ID0; + s->vbe_regs[VBE_DISPI_INDEX_ID] = VBE_DISPI_ID5; s->vbe_start_addr = 0; s->vbe_line_offset = 0; s->vbe_bank_mask = (s->vram_size >> 16) - 1; |