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Diffstat (limited to 'include/asm-mips/addrspace.h')
| -rw-r--r-- | include/asm-mips/addrspace.h | 154 |
1 files changed, 0 insertions, 154 deletions
diff --git a/include/asm-mips/addrspace.h b/include/asm-mips/addrspace.h deleted file mode 100644 index 569f80a..0000000 --- a/include/asm-mips/addrspace.h +++ /dev/null @@ -1,154 +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) 1996, 99 Ralf Baechle - * Copyright (C) 2000, 2002 Maciej W. Rozycki - * Copyright (C) 1990, 1999 by Silicon Graphics, Inc. - */ -#ifndef _ASM_ADDRSPACE_H -#define _ASM_ADDRSPACE_H - -#include <spaces.h> - -/* - * Configure language - */ -#ifdef __ASSEMBLY__ -#define _ATYPE_ -#define _ATYPE32_ -#define _ATYPE64_ -#define _CONST64_(x) x -#else -#define _ATYPE_ __PTRDIFF_TYPE__ -#define _ATYPE32_ int -#define _ATYPE64_ __s64 -#ifdef CONFIG_64BIT -#define _CONST64_(x) x ## L -#else -#define _CONST64_(x) x ## LL -#endif -#endif - -/* - * 32-bit MIPS address spaces - */ -#ifdef __ASSEMBLY__ -#define _ACAST32_ -#define _ACAST64_ -#else -#define _ACAST32_ (_ATYPE_)(_ATYPE32_) /* widen if necessary */ -#define _ACAST64_ (_ATYPE64_) /* do _not_ narrow */ -#endif - -/* - * Returns the kernel segment base of a given address - */ -#define KSEGX(a) ((_ACAST32_ (a)) & 0xe0000000) - -/* - * Returns the physical address of a CKSEGx / XKPHYS address - */ -#define CPHYSADDR(a) ((_ACAST32_(a)) & 0x1fffffff) -#define XPHYSADDR(a) ((_ACAST64_(a)) & \ - _CONST64_(0x000000ffffffffff)) - -#ifdef CONFIG_64BIT - -/* - * Memory segments (64bit kernel mode addresses) - * The compatibility segments use the full 64-bit sign extended value. Note - * the R8000 doesn't have them so don't reference these in generic MIPS code. - */ -#define XKUSEG _CONST64_(0x0000000000000000) -#define XKSSEG _CONST64_(0x4000000000000000) -#define XKPHYS _CONST64_(0x8000000000000000) -#define XKSEG _CONST64_(0xc000000000000000) -#define CKSEG0 _CONST64_(0xffffffff80000000) -#define CKSEG1 _CONST64_(0xffffffffa0000000) -#define CKSSEG _CONST64_(0xffffffffc0000000) -#define CKSEG3 _CONST64_(0xffffffffe0000000) - -#define CKSEG0ADDR(a) (CPHYSADDR(a) | CKSEG0) -#define CKSEG1ADDR(a) (CPHYSADDR(a) | CKSEG1) -#define CKSEG2ADDR(a) (CPHYSADDR(a) | CKSEG2) -#define CKSEG3ADDR(a) (CPHYSADDR(a) | CKSEG3) - -#else - -#define CKSEG0ADDR(a) (CPHYSADDR(a) | KSEG0) -#define CKSEG1ADDR(a) (CPHYSADDR(a) | KSEG1) -#define CKSEG2ADDR(a) (CPHYSADDR(a) | KSEG2) -#define CKSEG3ADDR(a) (CPHYSADDR(a) | KSEG3) - -/* - * Map an address to a certain kernel segment - */ -#define KSEG0ADDR(a) (CPHYSADDR(a) | KSEG0) -#define KSEG1ADDR(a) (CPHYSADDR(a) | KSEG1) -#define KSEG2ADDR(a) (CPHYSADDR(a) | KSEG2) -#define KSEG3ADDR(a) (CPHYSADDR(a) | KSEG3) - -/* - * Memory segments (32bit kernel mode addresses) - * These are the traditional names used in the 32-bit universe. - */ -#define KUSEG 0x00000000 -#define KSEG0 0x80000000 -#define KSEG1 0xa0000000 -#define KSEG2 0xc0000000 -#define KSEG3 0xe0000000 - -#define CKUSEG 0x00000000 -#define CKSEG0 0x80000000 -#define CKSEG1 0xa0000000 -#define CKSEG2 0xc0000000 -#define CKSEG3 0xe0000000 - -#endif - -/* - * Cache modes for XKPHYS address conversion macros - */ -#define K_CALG_COH_EXCL1_NOL2 0 -#define K_CALG_COH_SHRL1_NOL2 1 -#define K_CALG_UNCACHED 2 -#define K_CALG_NONCOHERENT 3 -#define K_CALG_COH_EXCL 4 -#define K_CALG_COH_SHAREABLE 5 -#define K_CALG_NOTUSED 6 -#define K_CALG_UNCACHED_ACCEL 7 - -/* - * 64-bit address conversions - */ -#define PHYS_TO_XKSEG_UNCACHED(p) PHYS_TO_XKPHYS(K_CALG_UNCACHED, (p)) -#define PHYS_TO_XKSEG_CACHED(p) PHYS_TO_XKPHYS(K_CALG_COH_SHAREABLE, (p)) -#define XKPHYS_TO_PHYS(p) ((p) & TO_PHYS_MASK) -#define PHYS_TO_XKPHYS(cm, a) (_CONST64_(0x8000000000000000) | \ - (_CONST64_(cm) << 59) | (a)) - -/* - * The ultimate limited of the 64-bit MIPS architecture: 2 bits for selecting - * the region, 3 bits for the CCA mode. This leaves 59 bits of which the - * R8000 implements most with its 48-bit physical address space. - */ -#define TO_PHYS_MASK _CONST64_(0x07ffffffffffffff) /* 2^^59 - 1 */ - -#ifndef CONFIG_CPU_R8000 - -/* - * The R8000 doesn't have the 32-bit compat spaces so we don't define them - * in order to catch bugs in the source code. - */ - -#define COMPAT_K1BASE32 _CONST64_(0xffffffffa0000000) -#define PHYS_TO_COMPATK1(x) ((x) | COMPAT_K1BASE32) /* 32-bit compat k1 */ - -#endif - -#define KDM_TO_PHYS(x) (_ACAST64_ (x) & TO_PHYS_MASK) -#define PHYS_TO_K0(x) (_ACAST64_ (x) | CAC_BASE) - -#endif /* _ASM_ADDRSPACE_H */ |
