diff options
Diffstat (limited to 'include/asm-powerpc/mmu-hash32.h')
| -rw-r--r-- | include/asm-powerpc/mmu-hash32.h | 83 |
1 files changed, 0 insertions, 83 deletions
diff --git a/include/asm-powerpc/mmu-hash32.h b/include/asm-powerpc/mmu-hash32.h deleted file mode 100644 index 16b1a1e77e64..000000000000 --- a/include/asm-powerpc/mmu-hash32.h +++ /dev/null @@ -1,83 +0,0 @@ -#ifndef _ASM_POWERPC_MMU_HASH32_H_ -#define _ASM_POWERPC_MMU_HASH32_H_ -/* - * 32-bit hash table MMU support - */ - -/* - * BATs - */ - -/* Block size masks */ -#define BL_128K 0x000 -#define BL_256K 0x001 -#define BL_512K 0x003 -#define BL_1M 0x007 -#define BL_2M 0x00F -#define BL_4M 0x01F -#define BL_8M 0x03F -#define BL_16M 0x07F -#define BL_32M 0x0FF -#define BL_64M 0x1FF -#define BL_128M 0x3FF -#define BL_256M 0x7FF - -/* BAT Access Protection */ -#define BPP_XX 0x00 /* No access */ -#define BPP_RX 0x01 /* Read only */ -#define BPP_RW 0x02 /* Read/write */ - -#ifndef __ASSEMBLY__ -/* Contort a phys_addr_t into the right format/bits for a BAT */ -#ifdef CONFIG_PHYS_64BIT -#define BAT_PHYS_ADDR(x) ((u32)((x & 0x00000000fffe0000ULL) | \ - ((x & 0x0000000e00000000ULL) >> 24) | \ - ((x & 0x0000000100000000ULL) >> 30))) -#else -#define BAT_PHYS_ADDR(x) (x) -#endif - -struct ppc_bat { - u32 batu; - u32 batl; -}; -#endif /* !__ASSEMBLY__ */ - -/* - * Hash table - */ - -/* Values for PP (assumes Ks=0, Kp=1) */ -#define PP_RWXX 0 /* Supervisor read/write, User none */ -#define PP_RWRX 1 /* Supervisor read/write, User read */ -#define PP_RWRW 2 /* Supervisor read/write, User read/write */ -#define PP_RXRX 3 /* Supervisor read, User read */ - -#ifndef __ASSEMBLY__ - -/* Hardware Page Table Entry */ -struct hash_pte { - unsigned long v:1; /* Entry is valid */ - unsigned long vsid:24; /* Virtual segment identifier */ - unsigned long h:1; /* Hash algorithm indicator */ - unsigned long api:6; /* Abbreviated page index */ - unsigned long rpn:20; /* Real (physical) page number */ - unsigned long :3; /* Unused */ - unsigned long r:1; /* Referenced */ - unsigned long c:1; /* Changed */ - unsigned long w:1; /* Write-thru cache mode */ - unsigned long i:1; /* Cache inhibited */ - unsigned long m:1; /* Memory coherence */ - unsigned long g:1; /* Guarded */ - unsigned long :1; /* Unused */ - unsigned long pp:2; /* Page protection */ -}; - -typedef struct { - unsigned long id; - unsigned long vdso_base; -} mm_context_t; - -#endif /* !__ASSEMBLY__ */ - -#endif /* _ASM_POWERPC_MMU_HASH32_H_ */ |