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tropic: Fix runtime error on new GCC
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boards/nxp/tropic-community/src/imxrt_ocram_initialize.c
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| /**************************************************************************** | ||
| * | ||
| * Copyright (c) 2018-2019, 2023 PX4 Development Team. All rights reserved. | ||
| * | ||
| * Redistribution and use in source and binary forms, with or without | ||
| * modification, are permitted provided that the following conditions | ||
| * are met: | ||
| * | ||
| * 1. Redistributions of source code must retain the above copyright | ||
| * notice, this list of conditions and the following disclaimer. | ||
| * 2. Redistributions in binary form must reproduce the above copyright | ||
| * notice, this list of conditions and the following disclaimer in | ||
| * the documentation and/or other materials provided with the | ||
| * distribution. | ||
| * 3. Neither the name PX4 nor the names of its contributors may be | ||
| * used to endorse or promote products derived from this software | ||
| * without specific prior written permission. | ||
| * | ||
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | ||
| * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | ||
| * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS | ||
| * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE | ||
| * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, | ||
| * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, | ||
| * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS | ||
| * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED | ||
| * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT | ||
| * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN | ||
| * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE | ||
| * POSSIBILITY OF SUCH DAMAGE. | ||
| * | ||
| ****************************************************************************/ | ||
|
|
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| /** | ||
| * @file imxrt_ocram_initialize.c | ||
| * | ||
| * PX4 fmu-v6xrt RAM startup early startup code. | ||
| */ | ||
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| /**************************************************************************** | ||
| * Included Files | ||
| ****************************************************************************/ | ||
|
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| #include "arm_internal.h" | ||
| #include "imxrt_iomuxc.h" | ||
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| /**************************************************************************** | ||
| * Pre-Processor Definitions | ||
| ****************************************************************************/ | ||
|
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| __BEGIN_DECLS | ||
| extern const uint64_t _fitcmfuncs; /* Copy source address in FLASH */ | ||
| extern uint64_t _sitcmfuncs; /* Copy destination start address in ITCM */ | ||
| extern uint64_t _eitcmfuncs; /* Copy destination end address in ITCM */ | ||
| extern uint64_t _sdtcm; /* Copy destination start address in DTCM */ | ||
| extern uint64_t _edtcm; /* Copy destination end address in DTCM */ | ||
| __END_DECLS | ||
|
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| /**************************************************************************** | ||
| * Name: imxrt_ocram_initialize | ||
| * | ||
| * Description: | ||
| * Called off reset vector to reconfigure the flexRAM | ||
| * and finish the FLASH to RAM Copy. | ||
| * CMakeLists.txt Forces compiler not to use builtin functions using -fno-builtin | ||
| * | ||
| ****************************************************************************/ | ||
|
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| __EXPORT void imxrt_ocram_initialize(void) | ||
| { | ||
| uint32_t regval; | ||
| register uint64_t *src; | ||
| register uint64_t *dest; | ||
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| /* FlexRAM Configuration | ||
| * F = 64K ITCM | ||
| * A = 64K DTCM | ||
| * 5 = 64K OCRAM | ||
| * So 0xFFFFFFAA is | ||
| * 384K FlexRAM ITCM | ||
| * 128K FlexRAM DTCM | ||
| * */ | ||
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| putreg32(0xFFFFFFAA, IMXRT_IOMUXC_GPR_GPR17); | ||
| regval = getreg32(IMXRT_IOMUXC_GPR_GPR16); | ||
| putreg32(regval | GPR_GPR16_FLEXRAM_BANK_CFG_SEL, IMXRT_IOMUXC_GPR_GPR16); | ||
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| /* Copy any necessary code sections from FLASH to ITCM. The process is the | ||
| * same as the code copying from FLASH to RAM above. */ | ||
| for (src = (uint64_t *)&_fitcmfuncs, dest = (uint64_t *)&_sitcmfuncs; | ||
| dest < (uint64_t *)&_eitcmfuncs;) { | ||
| *dest++ = *src++; | ||
| } | ||
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| /* Clear .dtcm. We'll do this inline (vs. calling memset) just to be | ||
| * certain that there are no issues with the state of global variables. | ||
| */ | ||
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| for (dest = &_sdtcm; dest < &_edtcm;) { | ||
| *dest++ = 0; | ||
| } | ||
| } |
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