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51 lines
1.4 KiB
C
51 lines
1.4 KiB
C
/*! \file
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* \brief Startup of the first core, also known as bootstrap processor (BSP)
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*/
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#pragma once
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#include "../compiler/fix.h"
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#include "../types.h"
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/*! \brief Entry point of your kernel
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*
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* \ingroup Startup
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*
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* Executed by boot loader.
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* Stores Pointer to \ref Multiboot information structure,
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* initializes stack pointer,
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* switches to long mode
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* and finally calls the C++ \ref kernel_init function
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*/
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extern "C" void startup_bsp() ERROR_ON_CALL(
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"The kernel entry point shall never be called from your code!");
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/*! \brief Initializes the C++ environment and detects system components
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*
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* \ingroup Startup
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*
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* The startup code(both for \ref startup_bsp "bootstrap" and \ref startup_ap
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* "application processor") jumps to this high level function. After
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* initialization it will call \ref main()
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*/
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/*! or \ref main_ap() respectively
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*/
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extern "C" [[noreturn]] void kernel_init() ERROR_ON_CALL(
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"The kernel init function shall never be called from your code!");
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/*! \brief Kernels main function
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*
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* Called after initialization of the system by \ref kernel_init()
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*/
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/*! \note This code will only be executed on the booting CPU (i.e., the one with
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* ID 0).
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*/
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extern "C" int main();
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/*! \brief Entry point for application processors
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*
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* Called after initialization of the system by \ref kernel_init()
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*
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* \note Code in this function will be executed on all APs (i.e., all CPUs
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* except ID 0)
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*/
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extern "C" int main_ap();
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