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101 lines
1.6 KiB
101 lines
1.6 KiB
/* SPDX-License-Identifier: GPL-2.0 */ |
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#ifndef __ASM_CSKY_CKMMUV1_H |
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#define __ASM_CSKY_CKMMUV1_H |
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#include <abi/reg_ops.h> |
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static inline int read_mmu_index(void) |
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{ |
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return cprcr("cpcr0"); |
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} |
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static inline void write_mmu_index(int value) |
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{ |
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cpwcr("cpcr0", value); |
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} |
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static inline int read_mmu_entrylo0(void) |
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{ |
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return cprcr("cpcr2") << 6; |
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} |
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static inline int read_mmu_entrylo1(void) |
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{ |
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return cprcr("cpcr3") << 6; |
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} |
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static inline void write_mmu_pagemask(int value) |
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{ |
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cpwcr("cpcr6", value); |
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} |
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static inline int read_mmu_entryhi(void) |
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{ |
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return cprcr("cpcr4"); |
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} |
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static inline void write_mmu_entryhi(int value) |
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{ |
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cpwcr("cpcr4", value); |
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} |
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static inline unsigned long read_mmu_msa0(void) |
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{ |
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return cprcr("cpcr30"); |
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} |
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static inline void write_mmu_msa0(unsigned long value) |
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{ |
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cpwcr("cpcr30", value); |
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} |
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static inline unsigned long read_mmu_msa1(void) |
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{ |
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return cprcr("cpcr31"); |
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} |
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static inline void write_mmu_msa1(unsigned long value) |
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{ |
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cpwcr("cpcr31", value); |
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} |
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/* |
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* TLB operations. |
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*/ |
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static inline void tlb_probe(void) |
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{ |
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cpwcr("cpcr8", 0x80000000); |
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} |
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static inline void tlb_read(void) |
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{ |
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cpwcr("cpcr8", 0x40000000); |
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} |
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static inline void tlb_invalid_all(void) |
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{ |
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cpwcr("cpcr8", 0x04000000); |
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} |
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static inline void local_tlb_invalid_all(void) |
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{ |
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tlb_invalid_all(); |
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} |
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static inline void tlb_invalid_indexed(void) |
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{ |
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cpwcr("cpcr8", 0x02000000); |
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} |
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static inline void setup_pgd(pgd_t *pgd, int asid) |
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{ |
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cpwcr("cpcr29", __pa(pgd) | BIT(0)); |
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write_mmu_entryhi(asid); |
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} |
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static inline pgd_t *get_pgd(void) |
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{ |
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return __va(cprcr("cpcr29") & ~BIT(0)); |
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} |
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#endif /* __ASM_CSKY_CKMMUV1_H */
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