1 // Copyright 2014 The Go Authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style 3 // license that can be found in the LICENSE file. 4 5 // +build linux 6 // +build mips64 mips64le 7 8 #include "textflag.h" 9 10 // 11 // System calls for mips64, Linux 12 // 13 14 // func Syscall(trap int64, a1, a2, a3 int64) (r1, r2, err int64); 15 16 TEXT Syscall(SB),NOSPLIT,$0-56 17 JAL runtimeentersyscall(SB) 18 MOVV a1+8(FP), R4 19 MOVV a2+16(FP), R5 20 MOVV a3+24(FP), R6 21 MOVV R0, R7 22 MOVV R0, R8 23 MOVV R0, R9 24 MOVV trap+0(FP), R2 // syscall entry 25 SYSCALL 26 BEQ R7, ok 27 MOVV $-1, R1 28 MOVV R1, r1+32(FP) // r1 29 MOVV R0, r2+40(FP) // r2 30 MOVV R2, err+48(FP) // errno 31 JAL runtimeexitsyscall(SB) 32 RET 33 ok: 34 MOVV R2, r1+32(FP) // r1 35 MOVV R3, r2+40(FP) // r2 36 MOVV R0, err+48(FP) // errno 37 JAL runtimeexitsyscall(SB) 38 RET 39 40 TEXT Syscall6(SB),NOSPLIT,$0-80 41 JAL runtimeentersyscall(SB) 42 MOVV a1+8(FP), R4 43 MOVV a2+16(FP), R5 44 MOVV a3+24(FP), R6 45 MOVV a4+32(FP), R7 46 MOVV a5+40(FP), R8 47 MOVV a6+48(FP), R9 48 MOVV trap+0(FP), R2 // syscall entry 49 SYSCALL 50 BEQ R7, ok6 51 MOVV $-1, R1 52 MOVV R1, r1+56(FP) // r1 53 MOVV R0, r2+64(FP) // r2 54 MOVV R2, err+72(FP) // errno 55 JAL runtimeexitsyscall(SB) 56 RET 57 ok6: 58 MOVV R2, r1+56(FP) // r1 59 MOVV R3, r2+64(FP) // r2 60 MOVV R0, err+72(FP) // errno 61 JAL runtimeexitsyscall(SB) 62 RET 63 64 TEXT RawSyscall(SB),NOSPLIT,$0-56 65 MOVV a1+8(FP), R4 66 MOVV a2+16(FP), R5 67 MOVV a3+24(FP), R6 68 MOVV R0, R7 69 MOVV R0, R8 70 MOVV R0, R9 71 MOVV trap+0(FP), R2 // syscall entry 72 SYSCALL 73 BEQ R7, ok1 74 MOVV $-1, R1 75 MOVV R1, r1+32(FP) // r1 76 MOVV R0, r2+40(FP) // r2 77 MOVV R2, err+48(FP) // errno 78 RET 79 ok1: 80 MOVV R2, r1+32(FP) // r1 81 MOVV R3, r2+40(FP) // r2 82 MOVV R0, err+48(FP) // errno 83 RET 84 85 TEXT RawSyscall6(SB),NOSPLIT,$0-80 86 MOVV a1+8(FP), R4 87 MOVV a2+16(FP), R5 88 MOVV a3+24(FP), R6 89 MOVV a4+32(FP), R7 90 MOVV a5+40(FP), R8 91 MOVV a6+48(FP), R9 92 MOVV trap+0(FP), R2 // syscall entry 93 SYSCALL 94 BEQ R7, ok2 95 MOVV $-1, R1 96 MOVV R1, r1+56(FP) // r1 97 MOVV R0, r2+64(FP) // r2 98 MOVV R2, err+72(FP) // errno 99 RET 100 ok2: 101 MOVV R2, r1+56(FP) // r1 102 MOVV R3, r2+64(FP) // r2 103 MOVV R0, err+72(FP) // errno 104 RET 105
