/* 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 __always_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__ */ |