linux-zen-desktop/arch/loongarch/include/asm/regdef.h

42 lines
871 B
C

/* SPDX-License-Identifier: GPL-2.0 */
/*
* Copyright (C) 2020-2022 Loongson Technology Corporation Limited
*/
#ifndef _ASM_REGDEF_H
#define _ASM_REGDEF_H
#define zero $r0 /* wired zero */
#define ra $r1 /* return address */
#define tp $r2
#define sp $r3 /* stack pointer */
#define a0 $r4 /* argument registers, a0/a1 reused as v0/v1 for return value */
#define a1 $r5
#define a2 $r6
#define a3 $r7
#define a4 $r8
#define a5 $r9
#define a6 $r10
#define a7 $r11
#define t0 $r12 /* caller saved */
#define t1 $r13
#define t2 $r14
#define t3 $r15
#define t4 $r16
#define t5 $r17
#define t6 $r18
#define t7 $r19
#define t8 $r20
#define u0 $r21
#define fp $r22 /* frame pointer */
#define s0 $r23 /* callee saved */
#define s1 $r24
#define s2 $r25
#define s3 $r26
#define s4 $r27
#define s5 $r28
#define s6 $r29
#define s7 $r30
#define s8 $r31
#endif /* _ASM_REGDEF_H */