zephyr/arch/x86/include/ia32/kernel_arch_func.h
Yong Cong Sin de347a4e07 init: support per-core init hook
Allow SoC to implement their custom per-core initialization function by
selecting `CONFIG_SOC_PER_CORE_INIT_HOOK` and implement
`soc_per_core_init_hook()`.

Signed-off-by: Maxim Adelman <imax@meta.com>
Signed-off-by: Yong Cong Sin <ycsin@meta.com>
Signed-off-by: Yong Cong Sin <yongcong.sin@gmail.com>
2024-11-16 14:04:25 -05:00

49 lines
1.1 KiB
C

/*
* Copyright (c) 2016 Wind River Systems, Inc.
* Copyright (c) 2018 Intel Corporation
*
* SPDX-License-Identifier: Apache-2.0
*/
/* this file is only meant to be included by kernel_structs.h */
#ifndef ZEPHYR_ARCH_X86_INCLUDE_IA32_KERNEL_ARCH_FUNC_H_
#define ZEPHYR_ARCH_X86_INCLUDE_IA32_KERNEL_ARCH_FUNC_H_
#ifndef _ASMLANGUAGE
#include <stddef.h> /* For size_t */
#include <zephyr/platform/hooks.h>
#ifdef __cplusplus
extern "C" {
#endif
static inline void arch_kernel_init(void)
{
#ifdef CONFIG_SOC_PER_CORE_INIT_HOOK
soc_per_core_init_hook();
#endif /* CONFIG_SOC_PER_CORE_INIT_HOOK */
}
static ALWAYS_INLINE void
arch_thread_return_value_set(struct k_thread *thread, unsigned int value)
{
/* write into 'eax' slot created in z_swap() entry */
*(unsigned int *)(thread->callee_saved.esp) = value;
}
extern void arch_cpu_atomic_idle(unsigned int key);
/* ASM code to fiddle with registers to enable the MMU with PAE paging */
void z_x86_enable_paging(void);
#ifdef __cplusplus
}
#endif
#endif /* _ASMLANGUAGE */
#endif /* ZEPHYR_ARCH_X86_INCLUDE_IA32_KERNEL_ARCH_FUNC_H_ */