Author | Tokens | Token Proportion | Commits | Commit Proportion |
---|---|---|---|---|
Guo Ren | 364 | 100.00% | 6 | 100.00% |
Total | 364 | 6 |
/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __ASM_CSKY_CKMMUV2_H #define __ASM_CSKY_CKMMUV2_H #include <abi/reg_ops.h> #include <asm/barrier.h> static inline int read_mmu_index(void) { return mfcr("cr<0, 15>"); } static inline void write_mmu_index(int value) { mtcr("cr<0, 15>", value); } static inline int read_mmu_entrylo0(void) { return mfcr("cr<2, 15>"); } static inline int read_mmu_entrylo1(void) { return mfcr("cr<3, 15>"); } static inline void write_mmu_pagemask(int value) { mtcr("cr<6, 15>", value); } static inline int read_mmu_entryhi(void) { return mfcr("cr<4, 15>"); } static inline void write_mmu_entryhi(int value) { mtcr("cr<4, 15>", value); } static inline unsigned long read_mmu_msa0(void) { return mfcr("cr<30, 15>"); } static inline void write_mmu_msa0(unsigned long value) { mtcr("cr<30, 15>", value); } static inline unsigned long read_mmu_msa1(void) { return mfcr("cr<31, 15>"); } static inline void write_mmu_msa1(unsigned long value) { mtcr("cr<31, 15>", value); } /* * TLB operations. */ static inline void tlb_probe(void) { mtcr("cr<8, 15>", 0x80000000); } static inline void tlb_read(void) { mtcr("cr<8, 15>", 0x40000000); } static inline void tlb_invalid_all(void) { #ifdef CONFIG_CPU_HAS_TLBI sync_is(); asm volatile( "tlbi.alls \n" "sync.i \n" : : : "memory"); #else mtcr("cr<8, 15>", 0x04000000); #endif } static inline void local_tlb_invalid_all(void) { #ifdef CONFIG_CPU_HAS_TLBI sync_is(); asm volatile( "tlbi.all \n" "sync.i \n" : : : "memory"); #else tlb_invalid_all(); #endif } static inline void tlb_invalid_indexed(void) { mtcr("cr<8, 15>", 0x02000000); } #define NOP32 ".long 0x4820c400\n" static inline void setup_pgd(pgd_t *pgd, int asid) { #ifdef CONFIG_CPU_HAS_TLBI sync_is(); #else mb(); #endif asm volatile( #ifdef CONFIG_CPU_HAS_TLBI "mtcr %1, cr<28, 15> \n" #endif "mtcr %1, cr<29, 15> \n" "mtcr %0, cr< 4, 15> \n" ".rept 64 \n" NOP32 ".endr \n" : :"r"(asid), "r"(__pa(pgd) | BIT(0)) :"memory"); } static inline pgd_t *get_pgd(void) { return __va(mfcr("cr<29, 15>") & ~BIT(0)); } #endif /* __ASM_CSKY_CKMMUV2_H */
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