/*** macints.h -- Macintosh Linux interrupt handling structs and prototypes ** ** Copyright 1997 by Michael Schmitz ** ** 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. ** #ifndef _ASM_MACINTS_H_#define _ASM_MACINTS_H_#include <asm /irq.h>/* * Base IRQ number for all Mac68K interrupt sources. Each source * has eight indexes (base -> base+7). #define VIA1_SOURCE_BASE 8#define VIA2_SOURCE_BASE 16#define PSC3_SOURCE_BASE 24#define PSC4_SOURCE_BASE 32#define PSC5_SOURCE_BASE 40#define PSC6_SOURCE_BASE 48#define NUBUS_SOURCE_BASE 56#define BABOON_SOURCE_BASE 64/* * Maximum IRQ number is BABOON_SOURCE_BASE + 7, * giving us IRQs up through 71 #define NUM_MAC_SOURCES 72/* * clean way to separate IRQ into its source and index #define IRQ_SRC(irq) (irq >> 3)#define IRQ_IDX(irq) (irq & 7)/* VIA1 interrupts */ #define IRQ_VIA1_0 (8) /* one second int. */ #define IRQ_VIA1_1 (9) /* VBlank int. */ #define IRQ_MAC_VBL IRQ_VIA1_1#define IRQ_VIA1_2 (10) /* ADB SR shifts complete */ #define IRQ_MAC_ADB IRQ_VIA1_2#define IRQ_MAC_ADB_SR IRQ_VIA1_2#define IRQ_VIA1_3 (11) /* ADB SR CB2 ?? */ #define IRQ_MAC_ADB_SD IRQ_VIA1_3#define IRQ_VIA1_4 (12) /* ADB SR ext. clock pulse */ #define IRQ_MAC_ADB_CL IRQ_VIA1_4#define IRQ_VIA1_5 (13)#define IRQ_MAC_TIMER_2 IRQ_VIA1_5#define IRQ_VIA1_6 (14)#define IRQ_MAC_TIMER_1 IRQ_VIA1_6#define IRQ_VIA1_7 (15)/* VIA2/RBV interrupts */ #define IRQ_VIA2_0 (16)#define IRQ_MAC_SCSIDRQ IRQ_VIA2_0#define IRQ_VIA2_1 (17)#define IRQ_MAC_NUBUS IRQ_VIA2_1#define IRQ_VIA2_2 (18)#define IRQ_VIA2_3 (19)#define IRQ_MAC_SCSI IRQ_VIA2_3#define IRQ_VIA2_4 (20)#define IRQ_VIA2_5 (21)#define IRQ_VIA2_6 (22)#define IRQ_VIA2_7 (23)/* Level 3 (PSC, AV Macs only) interrupts */ #define IRQ_PSC3_0 (24)#define IRQ_MAC_MACE IRQ_PSC3_0#define IRQ_PSC3_1 (25)#define IRQ_PSC3_2 (26)#define IRQ_PSC3_3 (27)/* Level 4 (PSC, AV Macs only) interrupts */ #define IRQ_PSC4_0 (32)#define IRQ_PSC4_1 (33)#define IRQ_MAC_SCC_A IRQ_PSC4_1#define IRQ_PSC4_2 (34)#define IRQ_MAC_SCC_B IRQ_PSC4_2#define IRQ_PSC4_3 (35)#define IRQ_MAC_MACE_DMA IRQ_PSC4_3/* OSS Level 4 interrupts */ #define IRQ_MAC_SCC (33)/* Level 5 (PSC, AV Macs only) interrupts */ #define IRQ_PSC5_0 (40)#define IRQ_PSC5_1 (41)#define IRQ_PSC5_2 (42)#define IRQ_PSC5_3 (43)/* Level 6 (PSC, AV Macs only) interrupts */ #define IRQ_PSC6_0 (48)#define IRQ_PSC6_1 (49)#define IRQ_PSC6_2 (50)#define IRQ_PSC6_3 (51)/* Nubus interrupts (cascaded to VIA2) */ #define IRQ_NUBUS_9 (56)#define IRQ_NUBUS_A (57)#define IRQ_NUBUS_B (58)#define IRQ_NUBUS_C (59)#define IRQ_NUBUS_D (60)#define IRQ_NUBUS_E (61)#define IRQ_NUBUS_F (62)/* Baboon interrupts (cascaded to nubus slot $C) */ #define IRQ_BABOON_0 (64)#define IRQ_BABOON_1 (65)#define IRQ_BABOON_2 (66)#define IRQ_BABOON_3 (67)#define SLOT2IRQ(x) (x + 47)#define IRQ2SLOT(x) (x - 47)#endif /* asm/macints.h */
Messung V0.5 C=86 H=-100 G=93
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