| /* -*- 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 */ |
