arch/arm/mm/proc.c

Source file repositories/reference/linux-study-clean/arch/arm/mm/proc.c

File Facts

System
Linux kernel
Corpus path
arch/arm/mm/proc.c
Extension
.c
Size
18776 bytes
Lines
501
Domain
Architecture Layer
Bucket
arch/arm
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

// SPDX-License-Identifier: GPL-2.0-only
/*
 * This file defines C prototypes for the low-level processor assembly functions
 * and creates a reference for CFI. This needs to be done for every assembly
 * processor ("proc") function that is called from C but does not have a
 * corresponding C implementation.
 *
 * Processors are listed in the order they appear in the Makefile.
 *
 * Functions are listed if and only if they see use on the target CPU, and in
 * the order they are defined in struct processor.
 */
#include <asm/proc-fns.h>

#ifdef CONFIG_CPU_ARM7TDMI
void cpu_arm7tdmi_proc_init(void);
__ADDRESSABLE(cpu_arm7tdmi_proc_init);
void cpu_arm7tdmi_proc_fin(void);
__ADDRESSABLE(cpu_arm7tdmi_proc_fin);
void cpu_arm7tdmi_reset(unsigned long addr, bool hvc);
__ADDRESSABLE(cpu_arm7tdmi_reset);
int cpu_arm7tdmi_do_idle(void);
__ADDRESSABLE(cpu_arm7tdmi_do_idle);
void cpu_arm7tdmi_dcache_clean_area(void *addr, int size);
__ADDRESSABLE(cpu_arm7tdmi_dcache_clean_area);
void cpu_arm7tdmi_switch_mm(phys_addr_t pgd_phys, struct mm_struct *mm);
__ADDRESSABLE(cpu_arm7tdmi_switch_mm);
#endif

#ifdef CONFIG_CPU_ARM720T
void cpu_arm720_proc_init(void);
__ADDRESSABLE(cpu_arm720_proc_init);
void cpu_arm720_proc_fin(void);
__ADDRESSABLE(cpu_arm720_proc_fin);
void cpu_arm720_reset(unsigned long addr, bool hvc);
__ADDRESSABLE(cpu_arm720_reset);
int cpu_arm720_do_idle(void);
__ADDRESSABLE(cpu_arm720_do_idle);
void cpu_arm720_dcache_clean_area(void *addr, int size);
__ADDRESSABLE(cpu_arm720_dcache_clean_area);
void cpu_arm720_switch_mm(phys_addr_t pgd_phys, struct mm_struct *mm);
__ADDRESSABLE(cpu_arm720_switch_mm);
void cpu_arm720_set_pte_ext(pte_t *ptep, pte_t pte, unsigned int ext);
__ADDRESSABLE(cpu_arm720_set_pte_ext);
#endif

#ifdef CONFIG_CPU_ARM740T
void cpu_arm740_proc_init(void);
__ADDRESSABLE(cpu_arm740_proc_init);
void cpu_arm740_proc_fin(void);
__ADDRESSABLE(cpu_arm740_proc_fin);
void cpu_arm740_reset(unsigned long addr, bool hvc);
__ADDRESSABLE(cpu_arm740_reset);
int cpu_arm740_do_idle(void);
__ADDRESSABLE(cpu_arm740_do_idle);
void cpu_arm740_dcache_clean_area(void *addr, int size);
__ADDRESSABLE(cpu_arm740_dcache_clean_area);
void cpu_arm740_switch_mm(phys_addr_t pgd_phys, struct mm_struct *mm);
__ADDRESSABLE(cpu_arm740_switch_mm);
#endif

#ifdef CONFIG_CPU_ARM9TDMI
void cpu_arm9tdmi_proc_init(void);
__ADDRESSABLE(cpu_arm9tdmi_proc_init);
void cpu_arm9tdmi_proc_fin(void);
__ADDRESSABLE(cpu_arm9tdmi_proc_fin);
void cpu_arm9tdmi_reset(unsigned long addr, bool hvc);
__ADDRESSABLE(cpu_arm9tdmi_reset);
int cpu_arm9tdmi_do_idle(void);
__ADDRESSABLE(cpu_arm9tdmi_do_idle);
void cpu_arm9tdmi_dcache_clean_area(void *addr, int size);
__ADDRESSABLE(cpu_arm9tdmi_dcache_clean_area);
void cpu_arm9tdmi_switch_mm(phys_addr_t pgd_phys, struct mm_struct *mm);
__ADDRESSABLE(cpu_arm9tdmi_switch_mm);
#endif

#ifdef CONFIG_CPU_ARM920T
void cpu_arm920_proc_init(void);
__ADDRESSABLE(cpu_arm920_proc_init);
void cpu_arm920_proc_fin(void);
__ADDRESSABLE(cpu_arm920_proc_fin);
void cpu_arm920_reset(unsigned long addr, bool hvc);
__ADDRESSABLE(cpu_arm920_reset);
int cpu_arm920_do_idle(void);
__ADDRESSABLE(cpu_arm920_do_idle);
void cpu_arm920_dcache_clean_area(void *addr, int size);
__ADDRESSABLE(cpu_arm920_dcache_clean_area);
void cpu_arm920_switch_mm(phys_addr_t pgd_phys, struct mm_struct *mm);
__ADDRESSABLE(cpu_arm920_switch_mm);
void cpu_arm920_set_pte_ext(pte_t *ptep, pte_t pte, unsigned int ext);

Annotation

Implementation Notes