53 lines
957 B
C
53 lines
957 B
C
/*
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* Copyright (c) 2019 Intel Corporation
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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#include <kernel.h>
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#include <kernel_internal.h>
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#include <arch/x86/acpi.h>
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#include <arch/x86/multiboot.h>
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extern FUNC_NORETURN void z_cstart(void);
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/* Early global initialization functions, C domain. This runs only on the first
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* CPU for SMP systems.
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*/
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FUNC_NORETURN void z_x86_prep_c(void *arg)
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{
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struct multiboot_info *info = arg;
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_kernel.cpus[0].nested = 0;
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#ifdef CONFIG_X86_VERY_EARLY_CONSOLE
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z_x86_early_serial_init();
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#endif
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#ifdef CONFIG_MULTIBOOT_INFO
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z_multiboot_init(info);
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#else
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ARG_UNUSED(info);
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#endif
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#ifdef CONFIG_ACPI
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z_acpi_init();
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#endif
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#ifdef CONFIG_X86_MMU
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z_x86_paging_init();
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#endif
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#if CONFIG_X86_STACK_PROTECTION
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z_x86_mmu_set_flags(&z_x86_kernel_ptables, z_interrupt_stacks[0],
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MMU_PAGE_SIZE, MMU_ENTRY_READ, Z_X86_MMU_RW,
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true);
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#endif
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#if defined(CONFIG_SMP)
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z_x86_ipi_setup();
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#endif
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z_cstart();
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}
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