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Diffstat (limited to 'include/asm-sh/addrspace.h')
| -rw-r--r-- | include/asm-sh/addrspace.h | 53 |
1 files changed, 0 insertions, 53 deletions
diff --git a/include/asm-sh/addrspace.h b/include/asm-sh/addrspace.h deleted file mode 100644 index fa544fc..0000000 --- a/include/asm-sh/addrspace.h +++ /dev/null @@ -1,53 +0,0 @@ -/* - * 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) 1999 by Kaz Kojima - * - * Defitions for the address spaces of the SH CPUs. - */ -#ifndef __ASM_SH_ADDRSPACE_H -#define __ASM_SH_ADDRSPACE_H - -#ifdef __KERNEL__ - -#include <asm/cpu/addrspace.h> - -/* If this CPU supports segmentation, hook up the helpers */ -#ifdef P1SEG - -/* - [ P0/U0 (virtual) ] 0x00000000 <------ User space - [ P1 (fixed) cached ] 0x80000000 <------ Kernel space - [ P2 (fixed) non-cachable] 0xA0000000 <------ Physical access - [ P3 (virtual) cached] 0xC0000000 <------ vmalloced area - [ P4 control ] 0xE0000000 - */ - -/* Returns the privileged segment base of a given address */ -#define PXSEG(a) (((unsigned long)(a)) & 0xe0000000) - -/* Returns the physical address of a PnSEG (n=1,2) address */ -#define PHYSADDR(a) (((unsigned long)(a)) & 0x1fffffff) - -#ifdef CONFIG_29BIT -/* - * Map an address to a certain privileged segment - */ -#define P1SEGADDR(a) \ - ((__typeof__(a))(((unsigned long)(a) & 0x1fffffff) | P1SEG)) -#define P2SEGADDR(a) \ - ((__typeof__(a))(((unsigned long)(a) & 0x1fffffff) | P2SEG)) -#define P3SEGADDR(a) \ - ((__typeof__(a))(((unsigned long)(a) & 0x1fffffff) | P3SEG)) -#define P4SEGADDR(a) \ - ((__typeof__(a))(((unsigned long)(a) & 0x1fffffff) | P4SEG)) -#endif /* 29BIT */ -#endif /* P1SEG */ - -/* Check if an address can be reached in 29 bits */ -#define IS_29BIT(a) (((unsigned long)(a)) < 0x20000000) - -#endif /* __KERNEL__ */ -#endif /* __ASM_SH_ADDRSPACE_H */ |
