| /* |
| * Copyright (c) 2019 Intel Corporation |
| * SPDX-License-Identifier: Apache-2.0 |
| */ |
| |
| #ifndef ZEPHYR_ARCH_X86_INCLUDE_KERNEL_ARCH_FUNC_H_ |
| #define ZEPHYR_ARCH_X86_INCLUDE_KERNEL_ARCH_FUNC_H_ |
| |
| #include <kernel_arch_data.h> |
| |
| #ifdef CONFIG_X86_64 |
| #include <intel64/kernel_arch_func.h> |
| #else |
| #include <ia32/kernel_arch_func.h> |
| #endif |
| |
| #ifndef _ASMLANGUAGE |
| static inline bool arch_is_in_isr(void) |
| { |
| #ifdef CONFIG_SMP |
| return arch_curr_cpu()->nested != 0; |
| #else |
| return _kernel.nested != 0U; |
| #endif |
| } |
| |
| /* stack alignment related macros: STACK_ALIGN is defined in arch.h */ |
| #define STACK_ROUND_UP(x) ROUND_UP(x, STACK_ALIGN) |
| #define STACK_ROUND_DOWN(x) ROUND_DOWN(x, STACK_ALIGN) |
| |
| extern K_THREAD_STACK_DEFINE(_interrupt_stack, CONFIG_ISR_STACK_SIZE); |
| extern K_THREAD_STACK_DEFINE(_interrupt_stack1, CONFIG_ISR_STACK_SIZE); |
| extern K_THREAD_STACK_DEFINE(_interrupt_stack2, CONFIG_ISR_STACK_SIZE); |
| extern K_THREAD_STACK_DEFINE(_interrupt_stack3, CONFIG_ISR_STACK_SIZE); |
| |
| struct multiboot_info; |
| |
| extern FUNC_NORETURN void z_x86_prep_c(int dummy, struct multiboot_info *info); |
| |
| #ifdef CONFIG_X86_VERY_EARLY_CONSOLE |
| /* Setup ultra-minimal serial driver for printk() */ |
| void z_x86_early_serial_init(void); |
| #endif /* CONFIG_X86_VERY_EARLY_CONSOLE */ |
| |
| #ifdef CONFIG_X86_MMU |
| /* Create all page tables with boot configuration and enable paging */ |
| void z_x86_paging_init(void); |
| #endif /* CONFIG_X86_MMU */ |
| |
| /* Called upon unrecoverable error; dump registers and transfer control to |
| * kernel via z_fatal_error() |
| */ |
| FUNC_NORETURN void z_x86_fatal_error(unsigned int reason, |
| const z_arch_esf_t *esf); |
| |
| /* Common handling for page fault exceptions */ |
| void z_x86_page_fault_handler(z_arch_esf_t *esf); |
| |
| #ifdef CONFIG_THREAD_STACK_INFO |
| /** |
| * @brief Check if a memory address range falls within the stack |
| * |
| * Given a memory address range, ensure that it falls within the bounds |
| * of the faulting context's stack. |
| * |
| * @param addr Starting address |
| * @param size Size of the region, or 0 if we just want to see if addr is |
| * in bounds |
| * @param cs Code segment of faulting context |
| * @return true if addr/size region is not within the thread stack |
| */ |
| bool z_x86_check_stack_bounds(uintptr_t addr, size_t size, u16_t cs); |
| #endif /* CONFIG_THREAD_STACK_INFO */ |
| #endif /* !_ASMLANGUAGE */ |
| |
| #endif /* ZEPHYR_ARCH_X86_INCLUDE_KERNEL_ARCH_FUNC_H_ */ |