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authorAndré Fabian Silva Delgado <emulatorman@parabola.nu>2015-08-05 17:04:01 -0300
committerAndré Fabian Silva Delgado <emulatorman@parabola.nu>2015-08-05 17:04:01 -0300
commit57f0f512b273f60d52568b8c6b77e17f5636edc0 (patch)
tree5e910f0e82173f4ef4f51111366a3f1299037a7b /arch/x86/include/asm/vga.h
Initial import
Diffstat (limited to 'arch/x86/include/asm/vga.h')
-rw-r--r--arch/x86/include/asm/vga.h20
1 files changed, 20 insertions, 0 deletions
diff --git a/arch/x86/include/asm/vga.h b/arch/x86/include/asm/vga.h
new file mode 100644
index 000000000..c4b9dc2f6
--- /dev/null
+++ b/arch/x86/include/asm/vga.h
@@ -0,0 +1,20 @@
+/*
+ * Access to VGA videoram
+ *
+ * (c) 1998 Martin Mares <mj@ucw.cz>
+ */
+
+#ifndef _ASM_X86_VGA_H
+#define _ASM_X86_VGA_H
+
+/*
+ * On the PC, we can just recalculate addresses and then
+ * access the videoram directly without any black magic.
+ */
+
+#define VGA_MAP_MEM(x, s) (unsigned long)phys_to_virt(x)
+
+#define vga_readb(x) (*(x))
+#define vga_writeb(x, y) (*(y) = (x))
+
+#endif /* _ASM_X86_VGA_H */