diff options
| author | Ingo Molnar <mingo@elte.hu> | 2009-05-11 12:59:32 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2009-05-11 12:59:37 +0200 |
| commit | 7961386fe9596e6bf03d09948a73c5df9653325b (patch) | |
| tree | 60fa2586a0d340ef8f7473956eef17430d8250c7 /arch/m32r/include/asm/addrspace.h | |
| parent | aa47b7e0f89b9998dad4d1667447e8cb7703ff4e (diff) | |
| parent | 091bf7624d1c90cec9e578a18529f615213ff847 (diff) | |
Merge commit 'v2.6.30-rc5' into sched/core
Merge reason: sched/core was on .30-rc1 before, update to latest fixes
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch/m32r/include/asm/addrspace.h')
| -rw-r--r-- | arch/m32r/include/asm/addrspace.h | 57 |
1 files changed, 57 insertions, 0 deletions
diff --git a/arch/m32r/include/asm/addrspace.h b/arch/m32r/include/asm/addrspace.h new file mode 100644 index 00000000000..81782c122da --- /dev/null +++ b/arch/m32r/include/asm/addrspace.h @@ -0,0 +1,57 @@ +/* + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file "COPYING" in the main directory of this archive + * for more details. + * + * Copyright (C) 2001 by Hiroyuki Kondo + * + * Defitions for the address spaces of the M32R CPUs. + */ +#ifndef __ASM_M32R_ADDRSPACE_H +#define __ASM_M32R_ADDRSPACE_H + +/* + * Memory segments (32bit kernel mode addresses) + */ +#define KUSEG 0x00000000 +#define KSEG0 0x80000000 +#define KSEG1 0xa0000000 +#define KSEG2 0xc0000000 +#define KSEG3 0xe0000000 + +#define K0BASE KSEG0 + +/* + * Returns the kernel segment base of a given address + */ +#ifndef __ASSEMBLY__ +#define KSEGX(a) (((unsigned long)(a)) & 0xe0000000) +#else +#define KSEGX(a) ((a) & 0xe0000000) +#endif + +/* + * Returns the physical address of a KSEG0/KSEG1 address + */ +#ifndef __ASSEMBLY__ +#define PHYSADDR(a) (((unsigned long)(a)) & 0x1fffffff) +#else +#define PHYSADDR(a) ((a) & 0x1fffffff) +#endif + +/* + * Map an address to a certain kernel segment + */ +#ifndef __ASSEMBLY__ +#define KSEG0ADDR(a) ((__typeof__(a))(((unsigned long)(a) & 0x1fffffff) | KSEG0)) +#define KSEG1ADDR(a) ((__typeof__(a))(((unsigned long)(a) & 0x1fffffff) | KSEG1)) +#define KSEG2ADDR(a) ((__typeof__(a))(((unsigned long)(a) & 0x1fffffff) | KSEG2)) +#define KSEG3ADDR(a) ((__typeof__(a))(((unsigned long)(a) & 0x1fffffff) | KSEG3)) +#else +#define KSEG0ADDR(a) (((a) & 0x1fffffff) | KSEG0) +#define KSEG1ADDR(a) (((a) & 0x1fffffff) | KSEG1) +#define KSEG2ADDR(a) (((a) & 0x1fffffff) | KSEG2) +#define KSEG3ADDR(a) (((a) & 0x1fffffff) | KSEG3) +#endif + +#endif /* __ASM_M32R_ADDRSPACE_H */ |