diff options
Diffstat (limited to 'libc/kernel/arch-sh/asm/fixmap.h')
| -rw-r--r-- | libc/kernel/arch-sh/asm/fixmap.h | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/libc/kernel/arch-sh/asm/fixmap.h b/libc/kernel/arch-sh/asm/fixmap.h new file mode 100644 index 0000000..3f7b948 --- /dev/null +++ b/libc/kernel/arch-sh/asm/fixmap.h @@ -0,0 +1,37 @@ +/**************************************************************************** + **************************************************************************** + *** + *** This header was automatically generated from a Linux kernel header + *** of the same name, to make information necessary for userspace to + *** call into the kernel available to libc. It contains only constants, + *** structures, and macros generated from the original header, and thus, + *** contains no copyrightable information. + *** + **************************************************************************** + ****************************************************************************/ +#ifndef _ASM_FIXMAP_H +#define _ASM_FIXMAP_H + +#include <linux/kernel.h> +#include <asm/page.h> + +enum fixed_addresses { +#define FIX_N_COLOURS 16 + FIX_CMAP_BEGIN, + FIX_CMAP_END = FIX_CMAP_BEGIN + FIX_N_COLOURS, + FIX_UNCACHED, + __end_of_fixed_addresses +}; + +#define set_fixmap(idx, phys) __set_fixmap(idx, phys, PAGE_KERNEL) + +#define set_fixmap_nocache(idx, phys) __set_fixmap(idx, phys, PAGE_KERNEL_NOCACHE) + +#define FIXADDR_TOP (P4SEG - PAGE_SIZE) +#define FIXADDR_SIZE (__end_of_fixed_addresses << PAGE_SHIFT) +#define FIXADDR_START (FIXADDR_TOP - FIXADDR_SIZE) + +#define __fix_to_virt(x) (FIXADDR_TOP - ((x) << PAGE_SHIFT)) +#define __virt_to_fix(x) ((FIXADDR_TOP - ((x)&PAGE_MASK)) >> PAGE_SHIFT) + +#endif |
