arch/mips/include/asm/mips-boards/launch.h

Source file repositories/reference/linux-study-clean/arch/mips/include/asm/mips-boards/launch.h

File Facts

System
Linux kernel
Corpus path
arch/mips/include/asm/mips-boards/launch.h
Extension
.h
Size
740 bytes
Lines
42
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.

Dependency Surface

Detected Declarations

Annotated Snippet

struct cpulaunch {
    unsigned long	pc;
    unsigned long	gp;
    unsigned long	sp;
    unsigned long	a0;
    unsigned long	_pad[3]; /* pad to cache line size to avoid thrashing */
    unsigned long	flags;
};

#else

#define LOG2CPULAUNCH	5
#define LAUNCH_PC	0
#define LAUNCH_GP	4
#define LAUNCH_SP	8
#define LAUNCH_A0	12
#define LAUNCH_FLAGS	28

#endif

#define LAUNCH_FREADY	1
#define LAUNCH_FGO	2
#define LAUNCH_FGONE	4

#define CPULAUNCH	0x00000f00
#define NCPULAUNCH	8

/* Polling period in count cycles for secondary CPU's */
#define LAUNCHPERIOD	10000

#endif /* _ASM_MIPS_BOARDS_LAUNCH_H */

Annotation

Implementation Notes