| /* SPDX-License-Identifier: GPL-2.0 */ |
| #ifndef __MIPS_ASM_GINVT_H__ |
| #define __MIPS_ASM_GINVT_H__ |
| |
| #include <asm/mipsregs.h> |
| |
| enum ginvt_type { |
| GINVT_FULL, |
| GINVT_VA, |
| GINVT_MMID, |
| }; |
| |
| #ifdef TOOLCHAIN_SUPPORTS_GINV |
| # define _ASM_SET_GINV ".set ginv\n" |
| #else |
| _ASM_MACRO_1R1I(ginvt, rs, type, |
| _ASM_INSN_IF_MIPS(0x7c0000bd | (__rs << 21) | (\\type << 8)) |
| _ASM_INSN32_IF_MM(0x0000717c | (__rs << 16) | (\\type << 9))); |
| # define _ASM_SET_GINV |
| #endif |
| |
| static inline void ginvt(unsigned long addr, enum ginvt_type type) |
| { |
| asm volatile( |
| ".set push\n" |
| _ASM_SET_GINV |
| " ginvt %0, %1\n" |
| ".set pop" |
| : /* no outputs */ |
| : "r"(addr), "i"(type) |
| : "memory"); |
| } |
| |
| static inline void ginvt_full(void) |
| { |
| ginvt(0, GINVT_FULL); |
| } |
| |
| static inline void ginvt_va(unsigned long addr) |
| { |
| addr &= PAGE_MASK << 1; |
| ginvt(addr, GINVT_VA); |
| } |
| |
| static inline void ginvt_mmid(void) |
| { |
| ginvt(0, GINVT_MMID); |
| } |
| |
| static inline void ginvt_va_mmid(unsigned long addr) |
| { |
| addr &= PAGE_MASK << 1; |
| ginvt(addr, GINVT_VA | GINVT_MMID); |
| } |
| |
| #endif /* __MIPS_ASM_GINVT_H__ */ |