From 2c3c1048746a4622d8c89a29670120dc8fab93c4 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 7 Apr 2024 20:49:45 +0200 Subject: Adding upstream version 6.1.76. Signed-off-by: Daniel Baumann --- arch/mips/include/asm/ginvt.h | 59 +++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 59 insertions(+) create mode 100644 arch/mips/include/asm/ginvt.h (limited to 'arch/mips/include/asm/ginvt.h') diff --git a/arch/mips/include/asm/ginvt.h b/arch/mips/include/asm/ginvt.h new file mode 100644 index 000000000..87b2974ff --- /dev/null +++ b/arch/mips/include/asm/ginvt.h @@ -0,0 +1,59 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#ifndef __MIPS_ASM_GINVT_H__ +#define __MIPS_ASM_GINVT_H__ + +#include + +enum ginvt_type { + GINVT_FULL, + GINVT_VA, + GINVT_MMID, +}; + +#ifdef TOOLCHAIN_SUPPORTS_GINV +# define _ASM_SET_GINV ".set ginv\n" +# define _ASM_UNSET_GINV +#else +# define _ASM_SET_GINV \ + _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_UNSET_GINV ".purgem ginvt\n" +#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" + _ASM_UNSET_GINV + ".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__ */ -- cgit v1.2.3