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/* -*- mode: c; c-basic-offset: 8 -*- */ /* Copyright (C) 2002 * * Author: James.Bottomley@HansenPartnership.com * * linux/arch/i386/voyager/irq_vectors.h * * This file provides definitions for the VIC and QIC CPIs */ #ifndef _ASM_IRQ_VECTORS_H #define _ASM_IRQ_VECTORS_H /* * IDT vectors usable for external interrupt sources start * at 0x20: */ #define FIRST_EXTERNAL_VECTOR 0x20 #define SYSCALL_VECTOR 0x80 /* * Vectors 0x20-0x2f are used for ISA interrupts. */ /* These define the CPIs we use in linux */ #define VIC_CPI_LEVEL0 0 #define VIC_CPI_LEVEL1 1 /* now the fake CPIs */ #define VIC_TIMER_CPI 2 #define VIC_INVALIDATE_CPI 3 #define VIC_RESCHEDULE_CPI 4 #define VIC_ENABLE_IRQ_CPI 5 #define VIC_CALL_FUNCTION_CPI 6 /* Now the QIC CPIs: Since we don't need the two initial levels, * these are 2 less than the VIC CPIs */ #define QIC_CPI_OFFSET 1 #define QIC_TIMER_CPI (VIC_TIMER_CPI - QIC_CPI_OFFSET) #define QIC_INVALIDATE_CPI (VIC_INVALIDATE_CPI - QIC_CPI_OFFSET) #define QIC_RESCHEDULE_CPI (VIC_RESCHEDULE_CPI - QIC_CPI_OFFSET) #define QIC_ENABLE_IRQ_CPI (VIC_ENABLE_IRQ_CPI - QIC_CPI_OFFSET) #define QIC_CALL_FUNCTION_CPI (VIC_CALL_FUNCTION_CPI - QIC_CPI_OFFSET) #define VIC_START_FAKE_CPI VIC_TIMER_CPI #define VIC_END_FAKE_CPI VIC_CALL_FUNCTION_CPI /* this is the SYS_INT CPI. */ #define VIC_SYS_INT 8 #define VIC_CMN_INT 15 /* This is the boot CPI for alternate processors. It gets overwritten * by the above once the system has activated all available processors */ #define VIC_CPU_BOOT_CPI VIC_CPI_LEVEL0 #define VIC_CPU_BOOT_ERRATA_CPI (VIC_CPI_LEVEL0 + 8) #define NR_VECTORS 256 #define NR_IRQS 224 #define NR_IRQ_VECTORS NR_IRQS #define FPU_IRQ 13 #define FIRST_VM86_IRQ 3 #define LAST_VM86_IRQ 15 #define invalid_vm86_irq(irq) ((irq) < 3 || (irq) > 15) #ifndef __ASSEMBLY__ extern asmlinkage void vic_cpi_interrupt(void); extern asmlinkage void vic_sys_interrupt(void); extern asmlinkage void vic_cmn_interrupt(void); extern asmlinkage void qic_timer_interrupt(void); extern asmlinkage void qic_invalidate_interrupt(void); extern asmlinkage void qic_reschedule_interrupt(void); extern asmlinkage void qic_enable_irq_interrupt(void); extern asmlinkage void qic_call_function_interrupt(void); #endif /* !__ASSEMBLY__ */ #endif /* _ASM_IRQ_VECTORS_H */