projects / linux-2.6-block.git / blame
| Commit | Line | Data |
|---|---|---|
| 1da177e4 | 1 | /* |
| 959f7d58 | 2 | * include/asm-sh/tlb_64.h |
| 1da177e4 LT |
3 | * |
| 4 | * Copyright (C) 2003 Paul Mundt | |
| 5 | * | |
| 6 | * This file is subject to the terms and conditions of the GNU General Public | |
| 7 | * License. See the file "COPYING" in the main directory of this archive | |
| 8 | * for more details. | |
| 1da177e4 | 9 | */ |
| 959f7d58 PM |
10 | #ifndef __ASM_SH_TLB_64_H |
| 11 | #define __ASM_SH_TLB_64_H | |
| 1da177e4 LT |
12 | |
| 13 | /* ITLB defines */ | |
| 14 | #define ITLB_FIXED 0x00000000 /* First fixed ITLB, see head.S */ | |
| 15 | #define ITLB_LAST_VAR_UNRESTRICTED 0x000003F0 /* Last ITLB */ | |
| 16 | ||
| 17 | /* DTLB defines */ | |
| 18 | #define DTLB_FIXED 0x00800000 /* First fixed DTLB, see head.S */ | |
| 19 | #define DTLB_LAST_VAR_UNRESTRICTED 0x008003F0 /* Last DTLB */ | |
| 20 | ||
| 21 | #ifndef __ASSEMBLY__ | |
| 22 | ||
| 23 | /** | |
| 24 | * for_each_dtlb_entry | |
| 25 | * | |
| 26 | * @tlb: TLB entry | |
| 27 | * | |
| 28 | * Iterate over free (non-wired) DTLB entries | |
| 29 | */ | |
| 30 | #define for_each_dtlb_entry(tlb) \ | |
| 31 | for (tlb = cpu_data->dtlb.first; \ | |
| 32 | tlb <= cpu_data->dtlb.last; \ | |
| 33 | tlb += cpu_data->dtlb.step) | |
| 34 | ||
| 35 | /** | |
| 36 | * for_each_itlb_entry | |
| 37 | * | |
| 38 | * @tlb: TLB entry | |
| 39 | * | |
| 40 | * Iterate over free (non-wired) ITLB entries | |
| 41 | */ | |
| 42 | #define for_each_itlb_entry(tlb) \ | |
| 43 | for (tlb = cpu_data->itlb.first; \ | |
| 44 | tlb <= cpu_data->itlb.last; \ | |
| 45 | tlb += cpu_data->itlb.step) | |
| 46 | ||
| 47 | /** | |
| 48 | * __flush_tlb_slot | |
| 49 | * | |
| 50 | * @slot: Address of TLB slot. | |
| 51 | * | |
| 52 | * Flushes TLB slot @slot. | |
| 53 | */ | |
| 54 | static inline void __flush_tlb_slot(unsigned long long slot) | |
| 55 | { | |
| 56 | __asm__ __volatile__ ("putcfg %0, 0, r63\n" : : "r" (slot)); | |
| 57 | } | |
| 58 | ||
| 59 | /* arch/sh64/mm/tlb.c */ | |
| 959f7d58 PM |
60 | int sh64_tlb_init(void); |
| 61 | unsigned long long sh64_next_free_dtlb_entry(void); | |
| 62 | unsigned long long sh64_get_wired_dtlb_entry(void); | |
| 63 | int sh64_put_wired_dtlb_entry(unsigned long long entry); | |
| 64 | void sh64_setup_tlb_slot(unsigned long long config_addr, unsigned long eaddr, | |
| 65 | unsigned long asid, unsigned long paddr); | |
| 66 | void sh64_teardown_tlb_slot(unsigned long long config_addr); | |
| 1da177e4 LT |
67 | |
| 68 | #endif /* __ASSEMBLY__ */ | |
| 959f7d58 | 69 | #endif /* __ASM_SH_TLB_64_H */ |