regdef.h (871B)
1/* SPDX-License-Identifier: GPL-2.0 */ 2/* 3 * Copyright (C) 2020-2022 Loongson Technology Corporation Limited 4 */ 5#ifndef _ASM_REGDEF_H 6#define _ASM_REGDEF_H 7 8#define zero $r0 /* wired zero */ 9#define ra $r1 /* return address */ 10#define tp $r2 11#define sp $r3 /* stack pointer */ 12#define a0 $r4 /* argument registers, a0/a1 reused as v0/v1 for return value */ 13#define a1 $r5 14#define a2 $r6 15#define a3 $r7 16#define a4 $r8 17#define a5 $r9 18#define a6 $r10 19#define a7 $r11 20#define t0 $r12 /* caller saved */ 21#define t1 $r13 22#define t2 $r14 23#define t3 $r15 24#define t4 $r16 25#define t5 $r17 26#define t6 $r18 27#define t7 $r19 28#define t8 $r20 29#define u0 $r21 30#define fp $r22 /* frame pointer */ 31#define s0 $r23 /* callee saved */ 32#define s1 $r24 33#define s2 $r25 34#define s3 $r26 35#define s4 $r27 36#define s5 $r28 37#define s6 $r29 38#define s7 $r30 39#define s8 $r31 40 41#endif /* _ASM_REGDEF_H */