cregit-Linux how code gets into the kernel

Release 4.14 arch/mips/include/asm/dec/interrupts.h

/*
 * Miscellaneous definitions used to initialise the interrupt vector table
 * with the machine-specific interrupt routines.
 *
 * This file is subject to the terms and conditions of the GNU General Public
 * License.  See the file "COPYING" in the main directory of this archive
 * for more details.
 *
 * Copyright (C) 1997 by Paul M. Antoine.
 * reworked 1998 by Harald Koerfgen.
 * Copyright (C) 2001, 2002, 2003  Maciej W. Rozycki
 */

#ifndef __ASM_DEC_INTERRUPTS_H

#define __ASM_DEC_INTERRUPTS_H

#include <irq.h>
#include <asm/mipsregs.h>


/*
 * The list of possible system devices which provide an
 * interrupt.  Not all devices exist on a given system.
 */

#define DEC_IRQ_CASCADE		0	
/* cascade from CSR or I/O ASIC */

/* Ordinary interrupts */

#define DEC_IRQ_AB_RECV		1	
/* ACCESS.bus receive */

#define DEC_IRQ_AB_XMIT		2	
/* ACCESS.bus transmit */

#define DEC_IRQ_DZ11		3	
/* DZ11 (DC7085) serial */

#define DEC_IRQ_ASC		4	
/* ASC (NCR53C94) SCSI */

#define DEC_IRQ_FLOPPY		5	
/* 82077 FDC */

#define DEC_IRQ_FPU		6	
/* R3k FPU */

#define DEC_IRQ_HALT		7	
/* HALT button or from ACCESS.Bus */

#define DEC_IRQ_ISDN		8	
/* Am79C30A ISDN */

#define DEC_IRQ_LANCE		9	
/* LANCE (Am7990) Ethernet */

#define DEC_IRQ_BUS		10	
/* memory, I/O bus read/write errors */

#define DEC_IRQ_PSU		11	
/* power supply unit warning */

#define DEC_IRQ_RTC		12	
/* DS1287 RTC */

#define DEC_IRQ_SCC0		13	
/* SCC (Z85C30) serial #0 */

#define DEC_IRQ_SCC1		14	
/* SCC (Z85C30) serial #1 */

#define DEC_IRQ_SII		15	
/* SII (DC7061) SCSI */

#define DEC_IRQ_TC0		16	
/* TURBOchannel slot #0 */

#define DEC_IRQ_TC1		17	
/* TURBOchannel slot #1 */

#define DEC_IRQ_TC2		18	
/* TURBOchannel slot #2 */

#define DEC_IRQ_TIMER		19	
/* ARC periodic timer */

#define DEC_IRQ_VIDEO		20	
/* framebuffer */

/* I/O ASIC DMA interrupts */

#define DEC_IRQ_ASC_MERR	21	
/* ASC memory read error */

#define DEC_IRQ_ASC_ERR		22	
/* ASC page overrun */

#define DEC_IRQ_ASC_DMA		23	
/* ASC buffer pointer loaded */

#define DEC_IRQ_FLOPPY_ERR	24	
/* FDC error */

#define DEC_IRQ_ISDN_ERR	25	
/* ISDN memory read/overrun error */

#define DEC_IRQ_ISDN_RXDMA	26	
/* ISDN recv buffer pointer loaded */

#define DEC_IRQ_ISDN_TXDMA	27	
/* ISDN xmit buffer pointer loaded */

#define DEC_IRQ_LANCE_MERR	28	
/* LANCE memory read error */

#define DEC_IRQ_SCC0A_RXERR	29	
/* SCC0A (printer) receive overrun */

#define DEC_IRQ_SCC0A_RXDMA	30	
/* SCC0A receive half page */

#define DEC_IRQ_SCC0A_TXERR	31	
/* SCC0A xmit memory read/overrun */

#define DEC_IRQ_SCC0A_TXDMA	32	
/* SCC0A transmit page end */

#define DEC_IRQ_AB_RXERR	33	
/* ACCESS.bus receive overrun */

#define DEC_IRQ_AB_RXDMA	34	
/* ACCESS.bus receive half page */

#define DEC_IRQ_AB_TXERR	35	
/* ACCESS.bus xmit memory read/ovrn */

#define DEC_IRQ_AB_TXDMA	36	
/* ACCESS.bus transmit page end */

#define DEC_IRQ_SCC1A_RXERR	37	
/* SCC1A (modem) receive overrun */

#define DEC_IRQ_SCC1A_RXDMA	38	
/* SCC1A receive half page */

#define DEC_IRQ_SCC1A_TXERR	39	
/* SCC1A xmit memory read/overrun */

#define DEC_IRQ_SCC1A_TXDMA	40	
/* SCC1A transmit page end */

/* TC5 & TC6 are virtual slots for KN02's onboard devices */

#define DEC_IRQ_TC5		DEC_IRQ_ASC	
/* virtual PMAZ-AA */

#define DEC_IRQ_TC6		DEC_IRQ_LANCE	
/* virtual PMAD-AA */


#define DEC_NR_INTS		41


/* Largest of cpu mask_nr tables. */

#define DEC_MAX_CPU_INTS	6
/* Largest of asic mask_nr tables. */

#define DEC_MAX_ASIC_INTS	9


/*
 * CPU interrupt bits common to all systems.
 */

#define DEC_CPU_INR_FPU		7	
/* R3k FPU */

#define DEC_CPU_INR_SW1		1	
/* software #1 */

#define DEC_CPU_INR_SW0		0	
/* software #0 */


#define DEC_CPU_IRQ_BASE	MIPS_CPU_IRQ_BASE	
/* first IRQ assigned to CPU */


#define DEC_CPU_IRQ_NR(n)	((n) + DEC_CPU_IRQ_BASE)

#define DEC_CPU_IRQ_MASK(n)	(1 << ((n) + CAUSEB_IP))

#define DEC_CPU_IRQ_ALL		(0xff << CAUSEB_IP)


#ifndef __ASSEMBLY__

/*
 * Interrupt table structures to hide differences between systems.
 */



typedef union { int i; void *p; } int_ptr;
extern int dec_interrupt[DEC_NR_INTS];
extern int_ptr cpu_mask_nr_tbl[DEC_MAX_CPU_INTS][2];
extern int_ptr asic_mask_nr_tbl[DEC_MAX_ASIC_INTS][2];
extern int cpu_fpu_mask;


/*
 * Common interrupt routine prototypes for all DECStations
 */
extern void kn02_io_int(void);
extern void kn02xa_io_int(void);
extern void kn03_io_int(void);
extern void asic_dma_int(void);
extern void asic_all_int(void);
extern void kn02_all_int(void);
extern void cpu_all_int(void);

extern void dec_intr_unimplemented(void);
extern void asic_intr_unimplemented(void);

#endif /* __ASSEMBLY__ */

#endif

Overall Contributors

PersonTokensPropCommitsCommitProp
Ralf Bächle27869.15%125.00%
Linus Torvalds (pre-git)11328.11%125.00%
Linus Torvalds71.74%125.00%
Atsushi Nemoto41.00%125.00%
Total402100.00%4100.00%
Information contained on this website is for historical information purposes only and does not indicate or represent copyright ownership.
Created with cregit.