| /* 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 */ |