OpenE2K
/
qemu-e2k
13
4
Fork 0
Code Issues 4 Pull Requests Projects 2 Releases Activity

dummy VGA PCI support - VGA font selection fix (Daniel Serpell) 

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@824 c046a42c-6fe2-441c-8c8c-71466251a162
This commit is contained in:
bellard 2004-05-20 12:46:38 +00:00
parent 0ac32c8375
commit 1078f663ae
1 changed files with 38 additions and 6 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

44
hw/vga.c
View File

@ -1129,14 +1129,14 @@ static void vga_draw_text(VGAState *s, int full_update)
/* compute font data address (in plane 2) */
v = s->sr[3];
offset = (((v >> 5) & 1) | ((v >> 1) & 6)) * 8192 * 4 + 2;
offset = (((v >> 4) & 1) | ((v << 1) & 6)) * 8192 * 4 + 2;
if (offset != s->font_offsets[0]) {
s->font_offsets[0] = offset;
full_update = 1;
}
font_base[0] = s->vram_ptr + offset;
offset = (((v >> 4) & 1) | ((v << 1) & 6)) * 8192 * 4 + 2;
offset = (((v >> 5) & 1) | ((v >> 1) & 6)) * 8192 * 4 + 2;
font_base[1] = s->vram_ptr + offset;
if (offset != s->font_offsets[1]) {
s->font_offsets[1] = offset;
@ -1709,8 +1709,17 @@ static int vga_load(QEMUFile *f, void *opaque, int version_id)
return 0;
}
static void vga_map(PCIDevice *pci_dev, int region_num,
uint32_t addr, uint32_t size, int type)
{
VGAState *s = &vga_state;
cpu_register_physical_memory(addr, s->vram_size, s->vram_offset);
}
int vga_initialize(DisplayState *ds, uint8_t *vga_ram_base,
unsigned long vga_ram_offset, int vga_ram_size)
unsigned long vga_ram_offset, int vga_ram_size,
int is_pci)
{
VGAState *s = &vga_state;
int i, j, v, b;
@ -1782,13 +1791,36 @@ int vga_initialize(DisplayState *ds, uint8_t *vga_ram_base,
vga_io_memory = cpu_register_io_memory(0, vga_mem_read, vga_mem_write);
cpu_register_physical_memory(isa_mem_base + 0x000a0000, 0x20000,
vga_io_memory);
if (is_pci) {
PCIDevice *d;
uint8_t *pci_conf;
d = pci_register_device("VGA",
sizeof(PCIDevice),
0, -1,
NULL, NULL);
pci_conf = d->config;
pci_conf[0x00] = 0x34; // dummy VGA (same as Bochs ID)
pci_conf[0x01] = 0x12;
pci_conf[0x02] = 0x11;
pci_conf[0x03] = 0x11;
pci_conf[0x0a] = 0x00; // VGA controller
pci_conf[0x0b] = 0x03;
pci_conf[0x0e] = 0x00; // header_type
/* XXX: vga_ram_size must be a power of two */
pci_register_io_region(d, 0, vga_ram_size,
PCI_ADDRESS_SPACE_MEM_PREFETCH, vga_map);
} else {
#ifdef CONFIG_BOCHS_VBE
#if defined (TARGET_I386)
/* XXX: use optimized standard vga accesses */
cpu_register_physical_memory(VBE_DISPI_LFB_PHYSICAL_ADDRESS,
vga_ram_size, vga_ram_offset);
/* XXX: use optimized standard vga accesses */
cpu_register_physical_memory(VBE_DISPI_LFB_PHYSICAL_ADDRESS,
vga_ram_size, vga_ram_offset);
#endif
#endif
}
return 0;
}