42 lines
1.1 KiB
C
42 lines
1.1 KiB
C
/*
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* Copyright (c) 2019 Intel Corp.
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* SPDX-License-Identifier: Apache-2.0
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*/
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#ifndef ZEPHYR_ARCH_X86_INCLUDE_INTEL64_KERNEL_ARCH_DATA_H_
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#define ZEPHYR_ARCH_X86_INCLUDE_INTEL64_KERNEL_ARCH_DATA_H_
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#include <zephyr/arch/x86/mmustructs.h>
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#ifndef _ASMLANGUAGE
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/* linker symbols defining the bounds of the kernel part loaded in locore */
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extern char _locore_start[], _locore_end[];
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/*
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* Per-CPU bootstrapping parameters. See locore.S and cpu.c.
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*/
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struct x86_cpuboot {
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volatile int ready; /* CPU has started */
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uint16_t tr; /* selector for task register */
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struct x86_tss64 *gs_base; /* Base address for GS segment */
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uint64_t sp; /* initial stack pointer */
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size_t stack_size; /* size of stack */
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arch_cpustart_t fn; /* kernel entry function */
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void *arg; /* argument for above function */
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};
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typedef struct x86_cpuboot x86_cpuboot_t;
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extern uint8_t x86_cpu_loapics[]; /* CPU logical ID -> local APIC ID */
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#endif /* _ASMLANGUAGE */
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#ifdef CONFIG_X86_KPTI
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#define Z_X86_TRAMPOLINE_STACK_SIZE 128
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#endif
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#endif /* ZEPHYR_ARCH_X86_INCLUDE_INTEL64_KERNEL_ARCH_DATA_H_ */
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