Viewing file:  ginvt.h (1.03 KB) -rw-r--r--
Select action/file-type:
 (+) |  (+) |  (+) | Code (+) | Session (+) |  (+) | SDB (+) |  (+) |  (+) |  (+) |  (+) |  (+) |
/* 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__ */
|