source:
trunk/packages/xen-3.1/xen-3.1/linux-2.6-xen-sparse/include/asm-x86_64/mach-xen/asm/vga.h
@
34
| Last change on this file since 34 was 34, checked in by hartmans, 18 years ago | |
|---|---|
| File size: 382 bytes | |
| Line | |
|---|---|
| 1 | /* |
| 2 | * Access to VGA videoram |
| 3 | * |
| 4 | * (c) 1998 Martin Mares <mj@ucw.cz> |
| 5 | */ |
| 6 | |
| 7 | #ifndef _LINUX_ASM_VGA_H_ |
| 8 | #define _LINUX_ASM_VGA_H_ |
| 9 | |
| 10 | /* |
| 11 | * On the PC, we can just recalculate addresses and then |
| 12 | * access the videoram directly without any black magic. |
| 13 | */ |
| 14 | |
| 15 | #define VGA_MAP_MEM(x,s) (unsigned long)isa_bus_to_virt(x) |
| 16 | |
| 17 | #define vga_readb(x) (*(x)) |
| 18 | #define vga_writeb(x,y) (*(y) = (x)) |
| 19 | |
| 20 | #endif |
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