arch/m68k/include/asm/mac_baboon.h

Source file repositories/reference/linux-study-clean/arch/m68k/include/asm/mac_baboon.h

File Facts

System
Linux kernel
Corpus path
arch/m68k/include/asm/mac_baboon.h
Extension
.h
Size
1002 bytes
Lines
40
Domain
Architecture Layer
Bucket
arch/m68k
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 baboon {
	char	pad1[208];	/* generic IDE registers, not used here */
	short	mb_control;	/* Control register:
				 * bit 5 : slot 2 power control
				 * bit 6 : slot 1 power control
				 */
	char	pad2[2];
	short	mb_status;	/* (0xD4) media bay status register:
				 *
				 * bit 0: ????
				 * bit 1: IDE interrupt active?
				 * bit 2: bay status, 0 = full, 1 = empty
				 * bit 3: ????
				 */
	char	pad3[2];	/* (0xD6) not used */
	short	mb_ifr;		/* (0xD8) media bay interrupt flags register:
				 *
				 * bit 0: ????
				 * bit 1: IDE controller interrupt
				 * bit 2: media bay status change interrupt
				 */
};

extern int baboon_present;

extern void baboon_register_interrupts(void);
extern void baboon_irq_enable(int);
extern void baboon_irq_disable(int);

#endif /* __ASSEMBLER__ */

Annotation

Implementation Notes