patch-2.3.9 linux/include/asm-mips/dec/interrupts.h

• Lines: 81
• Date: Fri Jun 25 17:37:53 1999
• Orig file: v2.3.8/linux/include/asm-mips/dec/interrupts.h
• Orig date: Wed Dec 31 16:00:00 1969

diff -u --recursive --new-file v2.3.8/linux/include/asm-mips/dec/interrupts.h linux/include/asm-mips/dec/interrupts.h
@@ -0,0 +1,80 @@
+/*  
+ * 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.
+ */
+
+#ifndef __ASM_DEC_INTERRUPTS_H 
+#define __ASM_DEC_INTERRUPTS_H 
+
+/*
+ * DECstation Interrupts
+ */
+
+/*
+ * This list reflects the priority of the Interrupts.
+ * Exception: on kmins we have to handle Memory Error 
+ * Interrupts before the TC Interrupts.
+ */
+#define CLOCK 	0
+#define SCSI_DMA_INT 	1
+#define SCSI_INT	2
+#define ETHER		3
+#define SERIAL		4
+#define TC0		5
+#define TC1		6
+#define TC2		7
+#define MEMORY		8
+#define FPU		9
+#define HALT		10
+
+#define NR_INTS	11
+
+#ifndef _LANGUAGE_ASSEMBLY
+/*
+ * Data structure to hide the differences between the DECstation Interrupts
+ *
+ * If asic_mask == NULL, the interrupt is directly handled by the CPU.
+ * Otherwise this Interrupt is handled the IRQ Controller.
+ */
+
+typedef struct
+{
+	unsigned int	cpu_mask;	/* checking and enabling interrupts in CP0	*/
+	unsigned int	iemask;		/* enabling interrupts in IRQ Controller	*/
+} decint_t;
+
+/*
+ * Interrupt table structure to hide differences between different
+ * systems such.
+ */
+extern void *cpu_ivec_tbl[8];
+extern long cpu_mask_tbl[8];
+extern long cpu_irq_nr[8];
+extern long asic_irq_nr[32];
+extern long asic_mask_tbl[32];
+
+/*
+ * Common interrupt routine prototypes for all DECStations
+ */
+extern void	dec_intr_unimplemented(void);
+extern void	dec_intr_fpu(void);
+extern void	dec_intr_rtc(void);
+
+extern void	kn02_io_int(void);
+extern void	kn02ba_io_int(void);
+extern void	kn03_io_int(void);
+
+extern void	intr_halt(void);
+
+extern void	asic_intr_unimplemented(void);
+
+#endif
+#endif 
+