5a9b2920e8
Summary: - This commit adds support for semihosting and hostfs Impact: - None Testing: - Tested with nsh and nsh64 (defconfig will be updated later) Signed-off-by: Masayuki Ishikawa <Masayuki.Ishikawa@jp.sony.com>
41 lines
1.4 KiB
ArmAsm
41 lines
1.4 KiB
ArmAsm
/****************************************************************************
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* arch/risc-v/src/common/riscv_semihost.S
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership. The
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* ASF licenses this file to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance with the
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* License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations
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* under the License.
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*
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****************************************************************************/
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/****************************************************************************
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* Name: smh_call
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*
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* Description:
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* Semihosting call with call number and one parameter
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*
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****************************************************************************/
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.option norvc
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.text
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.balign 16
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.global smh_call
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.type smh_call @function
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smh_call:
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slli zero, zero, 0x1f
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ebreak
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srai zero, zero, 0x7
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ret
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