/* 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 */