57 lines
1.0 KiB
C
57 lines
1.0 KiB
C
|
/* 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__ */
|