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https://github.com/zephyrproject-rtos/zephyr
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47e2f4e3d7
Added a linker script that shall be common to most riscv SOCs. Linker script also accounts for execution in place in ROM, when CONFIG_XIP is set. Nonetheless, riscv32 SOCs (like pulpino) requiring a different system layout can still define their own linker script. Change-Id: I3ad670446d439772c29a8204e307ac79643dc650 Signed-off-by: Jean-Paul Etienne <fractalclone@gmail.com>
40 lines
673 B
C
40 lines
673 B
C
/*
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* Copyright (c) 2016 Jean-Paul Etienne <fractalclone@gmail.com>
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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 and call _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 <stddef.h>
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#include <toolchain.h>
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#include <nano_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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_bss_zero();
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#ifdef CONFIG_XIP
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_data_copy();
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#endif
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_Cstart();
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CODE_UNREACHABLE;
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}
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