mirror of
https://github.com/zephyrproject-rtos/zephyr
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4344e27c26
Update reserved function names starting with one underscore, replacing them as follows: '_k_' with 'z_' '_K_' with 'Z_' '_handler_' with 'z_handl_' '_Cstart' with 'z_cstart' '_Swap' with 'z_swap' This renaming is done on both global and those static function names in kernel/include and include/. Other static function names in kernel/ are renamed by removing the leading underscore. Other function names not starting with any prefix listed above are renamed starting with a 'z_' or 'Z_' prefix. Function names starting with two or three leading underscores are not automatcally renamed since these names will collide with the variants with two or three leading underscores. Various generator scripts have also been updated as well as perf, linker and usb files. These are drivers/serial/uart_handlers.c include/linker/kobject-text.ld kernel/include/syscall_handler.h scripts/gen_kobject_list.py scripts/gen_syscall_header.py Signed-off-by: Patrik Flykt <patrik.flykt@intel.com>
54 lines
1.1 KiB
C
54 lines
1.1 KiB
C
/*
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* Copyright (c) 2014 Wind River Systems, Inc.
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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/**
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* @file
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* @brief Full C support initialization
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*
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*
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* Initialization of full C support: zero the .bss, copy the .data if XIP,
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* call z_cstart().
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*
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* Stack is available in this module, but not the global data/bss until their
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* initialization is performed.
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*/
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#include <zephyr/types.h>
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#include <toolchain.h>
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#include <linker/linker-defs.h>
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#include <kernel_structs.h>
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#include <kernel_internal.h>
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/**
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*
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* @brief Prepare to and run C code
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*
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* This routine prepares for the execution of and runs C code.
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*
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* @return N/A
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*/
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void _PrepC(void)
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{
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z_bss_zero();
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#ifdef CONFIG_XIP
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z_data_copy();
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/* In most XIP scenarios we copy the exception code into RAM, so need
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* to flush instruction cache.
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*/
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_nios2_icache_flush_all();
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#if ALT_CPU_ICACHE_SIZE > 0
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/* Only need to flush the data cache here if there actually is an
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* instruction cache, so that the cached instruction data written is
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* actually committed.
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*/
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_nios2_dcache_flush_all();
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#endif
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#endif
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z_cstart();
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CODE_UNREACHABLE;
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}
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