arch/mips/include/asm/setup.h

File Facts

System

Linux kernel

Corpus path

arch/mips/include/asm/setup.h

Extension

.h

Size

1110 bytes

Lines

39

Domain

Architecture Layer

Bucket

arch/mips

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.

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

Dependency Surface

• linux/init.h
• linux/types.h
• uapi/asm/setup.h

Detected Declarations

• function setup_8250_early_printk_port

Annotated Snippet

#ifndef _MIPS_SETUP_H
#define _MIPS_SETUP_H

#include <linux/init.h>
#include <linux/types.h>
#include <uapi/asm/setup.h>

extern void prom_putchar(char);
extern void setup_early_printk(void);

#ifdef CONFIG_EARLY_PRINTK_8250
extern void setup_8250_early_printk_port(unsigned long base,
	unsigned int reg_shift, unsigned int timeout);
#else
static inline void setup_8250_early_printk_port(unsigned long base,
	unsigned int reg_shift, unsigned int timeout) {}
#endif

void set_handler(unsigned long offset, const void *addr, unsigned long len);
extern void set_uncached_handler(unsigned long offset, void *addr, unsigned long len);

typedef void (*vi_handler_t)(void);
extern void *set_vi_handler(int n, vi_handler_t addr);

extern void *set_except_vector(int n, void *addr);
extern unsigned long ebase;
extern unsigned int hwrena;
extern void per_cpu_trap_init(bool);
extern void cpu_cache_init(void);
extern void tlb_init(void);

#ifdef CONFIG_RELOCATABLE
extern void * __init relocate_kernel(void);
extern int plat_post_relocation(long);
#endif

#endif /* __SETUP_H */

Annotation

• Immediate include surface: `linux/init.h`, `linux/types.h`, `uapi/asm/setup.h`.
• Detected declarations: `function setup_8250_early_printk_port`.
• Atlas domain: Architecture Layer / arch/mips.
• Implementation status: source implementation candidate.

Implementation Notes

• This generated page is the file-by-file coverage layer; curated subsystem chapters should link here when they synthesize a multi-file control flow.
• Core OS pages should be promoted from atlas-only to deep-reviewed when they explain data structures, invariants, locking, lifecycle, and C implementation snippets.
• Driver-family pages are intentionally pattern-oriented unless they are part of the selected PCIe/NVMe representative device path.