| /* 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 */ |
