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/* SPDX-License-Identifier: GPL-3.0-or-later */
/* Copyright 2021 - 2022, Kim Kuparinen < kimi.h.kuparinen@gmail.com > */
/**
* @file main.c
* Entry point for actual kernel setup.
*/
#include <apos/mem_nodes.h>
#include <apos/timer.h>
#include <apos/attrs.h>
#include <apos/proc.h>
#include <apos/debug.h>
#include <apos/vmem.h>
#include <arch/arch.h>
#include <arch/proc.h>
#include <arch/irq.h>
#include <libfdt.h>
/**
* Boot entry of kernel actual.
*
* Sets up all kernel subsystems and jumps into \c init program, does not
* return.
*
* @param fdt Global FDT pointer.
* @return Should not.
*/
void __main main(void *fdt)
{
/* dbg uses direct mapping at this point */
init_dbg(fdt);
setup_dmap_dbg();
dbg_fdt(fdt);
setup_arch(fdt);
init_pmem(fdt);
/* setup temporary virtual memory */
struct vmem *b = init_vmem(fdt);
/* start up debugging in kernel IO */
setup_io_dbg(b);
init_irq(fdt);
init_timer(fdt);
init_proc(fdt);
/* free temporary virtual memory now that we're in the init process
* space */
destroy_vmem(b);
/* start running init program */
run_init(cur_tcb(), fdt);
}
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