arch/sparc/include/asm/cpu_type.h

Source file repositories/reference/linux-study-clean/arch/sparc/include/asm/cpu_type.h

File Facts

System
Linux kernel
Corpus path
arch/sparc/include/asm/cpu_type.h
Extension
.h
Size
579 bytes
Lines
30
Domain
Architecture Layer
Bucket
arch/sparc
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_CPU_TYPE_H
#define __ASM_CPU_TYPE_H

/*
 * Sparc (general) CPU types
 */
enum sparc_cpu {
  sun4m       = 0x00,
  sun4d       = 0x01,
  sun4e       = 0x02,
  sun4u       = 0x03, /* V8 ploos ploos */
  sun_unknown = 0x04,
  ap1000      = 0x05, /* almost a sun4m */
  sparc_leon  = 0x06, /* Leon SoC */
};

#ifdef CONFIG_SPARC32
extern enum sparc_cpu sparc_cpu_model;

#define SUN4M_NCPUS            4              /* Architectural limit of sun4m. */

#else

#define sparc_cpu_model sun4u

#endif

#endif /* __ASM_CPU_TYPE_H */

Annotation

Implementation Notes