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