nuttx/arch/risc-v/src/common/riscv_semihost.S

41 lines
1.4 KiB
ArmAsm
Raw Normal View History

/****************************************************************************
* arch/risc-v/src/common/riscv_semihost.S
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership. The
* ASF licenses this file to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance with the
* License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
* License for the specific language governing permissions and limitations
* under the License.
*
****************************************************************************/
/****************************************************************************
* Name: smh_call
*
* Description:
* Semihosting call with call number and one parameter
*
****************************************************************************/
.option norvc
.text
.balign 16
.global smh_call
.type smh_call @function
smh_call:
slli zero, zero, 0x1f
ebreak
srai zero, zero, 0x7
ret