mirror of https://github.com/ARMmbed/mbed-os.git
68 lines
2.2 KiB
C
68 lines
2.2 KiB
C
/*
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* Copyright (c) 2018-2019, Nuvoton Technology Corporation
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*
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* SPDX-License-Identifier: Apache-2.0
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* 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,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef MBED_CMSIS_H
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#define MBED_CMSIS_H
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#include "M2351.h"
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#include "stddriver_secure.h"
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#include "cmsis_nvic.h"
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#include "partition_M2351.h"
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/* Check relevant macro has been defined */
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#if (! defined(NU_ROM_SIZE_S))
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#error("NU_ROM_SIZE_S not defined")
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#endif
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/* Determine vector table management
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*
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* 1. Non-secure non-PSA/Non-secure PSA
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* 2. Secure non-PSA (TFM_LVL == 0)
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* 3. Secure PSA (TFM_LVL > 0)
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*
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* In Case 1/2, Mbed OS takes over vector table.
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* In Case 3, TFM takes over vector table.
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*
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* If TFM_LVL isn't defined, it is equivalent to TFM_LVL == 0.
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*
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* FIXME: Currently, we still go mbed relocating vector table sequence. When TFM (Secure PSA)
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* updates to take over NVIC itself, we must disable this sequence:
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* 1. Do not allocate vector RAM (cmsis.h/cmsis_nvic.h/linker files):
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* Image$$ER_IRAMVEC$$ZI$$Base
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* __section_begin("IRAMVEC")
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* __start_vector_table__
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* 2. Secure PSA may go mbed boot sequence. We must leave NVIC_RAM_VECTOR_ADDRESS
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* undefined to make the mbed_copy_nvic() function dummy (cmsis_nvic.h).
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*/
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// Support linker-generated symbol as start of relocated vector table.
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#if defined(__CC_ARM) || (defined(__ARMCC_VERSION) && (__ARMCC_VERSION >= 6010050))
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extern uint32_t Image$$ER_IRAMVEC$$ZI$$Base;
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#elif defined(__ICCARM__)
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#elif defined(__GNUC__)
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extern uint32_t __start_vector_table__;
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#endif
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/* TZ_START_NS: Start address of non-secure application */
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#ifndef TZ_START_NS
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#define TZ_START_NS (NS_OFFSET + NU_ROM_SIZE_S)
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#endif
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#endif
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