arch/riscv/include/asm/sections.h

Source file repositories/reference/linux-study-clean/arch/riscv/include/asm/sections.h

File Facts

System
Linux kernel
Corpus path
arch/riscv/include/asm/sections.h
Extension
.h
Size
883 bytes
Lines
35
Domain
Architecture Layer
Bucket
arch/riscv
Inferred role
Architecture Layer: implementation source
Status
source implementation candidate

Why This File Exists

CPU and platform-specific kernel glue: boot entry, traps, syscall entry, interrupts, page tables, context switch, and low-level barriers.

Dependency Surface

Detected Declarations

Annotated Snippet

#ifndef __ASM_SECTIONS_H
#define __ASM_SECTIONS_H

#include <asm-generic/sections.h>
#include <linux/mm.h>

extern char _start[];
extern char _start_kernel[];
extern char __init_data_begin[], __init_data_end[];
extern char __init_text_begin[], __init_text_end[];
extern char __alt_start[], __alt_end[];
extern char __exittext_begin[], __exittext_end[];

static inline bool is_va_kernel_text(uintptr_t va)
{
	uintptr_t start = (uintptr_t)_start;
	uintptr_t end = (uintptr_t)__init_data_begin;

	return va >= start && va < end;
}

static inline bool is_va_kernel_lm_alias_text(uintptr_t va)
{
	uintptr_t start = (uintptr_t)lm_alias(_start);
	uintptr_t end = (uintptr_t)lm_alias(__init_data_begin);

	return va >= start && va < end;
}

#endif /* __ASM_SECTIONS_H */

Annotation

Implementation Notes