projects / mirror_ubuntu-jammy-kernel.git / blame
| Commit | Line | Data |
|---|---|---|
| 53511389 PB |
1 | /* SPDX-License-Identifier: GPL-2.0 */ |
| 2 | #ifndef __MIPS_ASM_GINVT_H__ | |
| 3 | #define __MIPS_ASM_GINVT_H__ | |
| 4 | ||
| 5 | #include <asm/mipsregs.h> | |
| 6 | ||
| 7 | enum ginvt_type { | |
| 8 | GINVT_FULL, | |
| 9 | GINVT_VA, | |
| 10 | GINVT_MMID, | |
| 11 | }; | |
| 12 | ||
| 13 | #ifdef TOOLCHAIN_SUPPORTS_GINV | |
| 14 | # define _ASM_SET_GINV ".set ginv\n" | |
| 15 | #else | |
| 16 | _ASM_MACRO_1R1I(ginvt, rs, type, | |
| 17 | _ASM_INSN_IF_MIPS(0x7c0000bd | (__rs << 21) | (\\type << 8)) | |
| 18 | _ASM_INSN32_IF_MM(0x0000717c | (__rs << 16) | (\\type << 9))); | |
| 19 | # define _ASM_SET_GINV | |
| 20 | #endif | |
| 21 | ||
| 6074c33c | 22 | static __always_inline void ginvt(unsigned long addr, enum ginvt_type type) |
| 53511389 PB |
23 | { |
| 24 | asm volatile( | |
| 25 | ".set push\n" | |
| 26 | _ASM_SET_GINV | |
| 27 | " ginvt %0, %1\n" | |
| 28 | ".set pop" | |
| 29 | : /* no outputs */ | |
| 30 | : "r"(addr), "i"(type) | |
| 31 | : "memory"); | |
| 32 | } | |
| 33 | ||
| 34 | static inline void ginvt_full(void) | |
| 35 | { | |
| 36 | ginvt(0, GINVT_FULL); | |
| 37 | } | |
| 38 | ||
| 39 | static inline void ginvt_va(unsigned long addr) | |
| 40 | { | |
| 41 | addr &= PAGE_MASK << 1; | |
| 42 | ginvt(addr, GINVT_VA); | |
| 43 | } | |
| 44 | ||
| 45 | static inline void ginvt_mmid(void) | |
| 46 | { | |
| 47 | ginvt(0, GINVT_MMID); | |
| 48 | } | |
| 49 | ||
| 50 | static inline void ginvt_va_mmid(unsigned long addr) | |
| 51 | { | |
| 52 | addr &= PAGE_MASK << 1; | |
| 53 | ginvt(addr, GINVT_VA | GINVT_MMID); | |
| 54 | } | |
| 55 | ||
| 56 | #endif /* __MIPS_ASM_GINVT_H__ */ |