diff options
Diffstat (limited to 'qemu/roms/seabios/src/hw/pic.h')
| -rw-r--r-- | qemu/roms/seabios/src/hw/pic.h | 60 |
1 files changed, 0 insertions, 60 deletions
diff --git a/qemu/roms/seabios/src/hw/pic.h b/qemu/roms/seabios/src/hw/pic.h deleted file mode 100644 index f2d9f6130..000000000 --- a/qemu/roms/seabios/src/hw/pic.h +++ /dev/null @@ -1,60 +0,0 @@ -// Helpers for working with i8259 interrupt controller. -// -// Copyright (C) 2008 Kevin O'Connor <kevin@koconnor.net> -// Copyright (C) 2002 MandrakeSoft S.A. -// -// This file may be distributed under the terms of the GNU LGPLv3 license. -#ifndef __PIC_H -#define __PIC_H - -#include "x86.h" // outb - -#define PORT_PIC1_CMD 0x0020 -#define PORT_PIC1_DATA 0x0021 -#define PORT_PIC2_CMD 0x00a0 -#define PORT_PIC2_DATA 0x00a1 - -// PORT_PIC1 bitdefs -#define PIC1_IRQ0 (1<<0) -#define PIC1_IRQ1 (1<<1) -#define PIC1_IRQ2 (1<<2) -#define PIC1_IRQ5 (1<<5) -#define PIC1_IRQ6 (1<<6) -// PORT_PIC2 bitdefs -#define PIC2_IRQ8 (1<<8) -#define PIC2_IRQ12 (1<<12) -#define PIC2_IRQ13 (1<<13) -#define PIC2_IRQ14 (1<<14) - -#define PIC_IRQMASK_DEFAULT ((u16)~PIC1_IRQ2) - -#define BIOS_HWIRQ0_VECTOR 0x08 -#define BIOS_HWIRQ8_VECTOR 0x70 - -static inline void -pic_eoi1(void) -{ - if (!CONFIG_HARDWARE_IRQ) - return; - // Send eoi (select OCW2 + eoi) - outb(0x20, PORT_PIC1_CMD); -} - -static inline void -pic_eoi2(void) -{ - if (!CONFIG_HARDWARE_IRQ) - return; - // Send eoi (select OCW2 + eoi) - outb(0x20, PORT_PIC2_CMD); - pic_eoi1(); -} - -u16 pic_irqmask_read(void); -void pic_irqmask_write(u16 mask); -void pic_irqmask_mask(u16 off, u16 on); -void pic_reset(u8 irq0, u8 irq8); -void pic_setup(void); -void enable_hwirq(int hwirq, struct segoff_s func); - -#endif // pic.h |