tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
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 */