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- // Copyright 2019 The Go Authors. All rights reserved.
- // Use of this source code is governed by a BSD-style
- // license that can be found in the LICENSE file.
- //go:build riscv64 && gc
- // +build riscv64
- // +build gc
- #include "textflag.h"
- //
- // System calls for linux/riscv64.
- //
- // Where available, just jump to package syscall's implementation of
- // these functions.
- TEXT ·Syscall(SB),NOSPLIT,$0-56
- JMP syscall·Syscall(SB)
- TEXT ·Syscall6(SB),NOSPLIT,$0-80
- JMP syscall·Syscall6(SB)
- TEXT ·SyscallNoError(SB),NOSPLIT,$0-48
- CALL runtime·entersyscall(SB)
- MOV a1+8(FP), A0
- MOV a2+16(FP), A1
- MOV a3+24(FP), A2
- MOV trap+0(FP), A7 // syscall entry
- ECALL
- MOV A0, r1+32(FP) // r1
- MOV A1, r2+40(FP) // r2
- CALL runtime·exitsyscall(SB)
- RET
- TEXT ·RawSyscall(SB),NOSPLIT,$0-56
- JMP syscall·RawSyscall(SB)
- TEXT ·RawSyscall6(SB),NOSPLIT,$0-80
- JMP syscall·RawSyscall6(SB)
- TEXT ·RawSyscallNoError(SB),NOSPLIT,$0-48
- MOV a1+8(FP), A0
- MOV a2+16(FP), A1
- MOV a3+24(FP), A2
- MOV trap+0(FP), A7 // syscall entry
- ECALL
- MOV A0, r1+32(FP)
- MOV A1, r2+40(FP)
- RET
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