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add a -vga none cli option (Stefano Stabellini)

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currently there is no way to fully disable any graphic card device for
the PC architecture.
You can have no graphical output, thanks to -nographic, but you would
have the VGA device connected to your PCI bus anyway.
There is already a convenient -vga option to choose between std, cirrus
and vmware; this patch add the new option "none" to select no graphic
card at all.

Signed-off-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>



git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@6322 c046a42c-6fe2-441c-8c8c-71466251a162
This commit is contained in:
aliguori 2009-01-15 20:37:28 +00:00
parent 5a38f08190
commit c2b3b41a0b
3 changed files with 28 additions and 17 deletions
Download patch file Download diff file Expand all files Collapse all files

34
hw/pc.c
View file

@ -852,22 +852,24 @@ static void pc_init1(ram_addr_t ram_size, int vga_ram_size,
exit(1);
}
/* VGA BIOS load */
if (cirrus_vga_enabled) {
snprintf(buf, sizeof(buf), "%s/%s", bios_dir, VGABIOS_CIRRUS_FILENAME);
} else {
snprintf(buf, sizeof(buf), "%s/%s", bios_dir, VGABIOS_FILENAME);
}
vga_bios_size = get_image_size(buf);
if (vga_bios_size <= 0 || vga_bios_size > 65536)
goto vga_bios_error;
vga_bios_offset = qemu_ram_alloc(65536);
if (cirrus_vga_enabled || std_vga_enabled || vmsvga_enabled) {
/* VGA BIOS load */
if (cirrus_vga_enabled) {
snprintf(buf, sizeof(buf), "%s/%s", bios_dir, VGABIOS_CIRRUS_FILENAME);
} else {
snprintf(buf, sizeof(buf), "%s/%s", bios_dir, VGABIOS_FILENAME);
}
vga_bios_size = get_image_size(buf);
if (vga_bios_size <= 0 || vga_bios_size > 65536)
goto vga_bios_error;
vga_bios_offset = qemu_ram_alloc(65536);
ret = load_image(buf, phys_ram_base + vga_bios_offset);
if (ret != vga_bios_size) {
vga_bios_error:
fprintf(stderr, "qemu: could not load VGA BIOS '%s'\n", buf);
exit(1);
ret = load_image(buf, phys_ram_base + vga_bios_offset);
if (ret != vga_bios_size) {
vga_bios_error:
fprintf(stderr, "qemu: could not load VGA BIOS '%s'\n", buf);
exit(1);
}
}
/* setup basic memory access */
@ -956,7 +958,7 @@ static void pc_init1(ram_addr_t ram_size, int vga_ram_size,
vga_ram_addr, vga_ram_size);
else
fprintf(stderr, "%s: vmware_vga: no PCI bus\n", __FUNCTION__);
} else {
} else if (std_vga_enabled) {
if (pci_enabled) {
pci_vga_init(pci_bus, ds, phys_ram_base + vga_ram_addr,
vga_ram_addr, vga_ram_size, 0, 0);