diff options
Diffstat (limited to 'c/src/lib/libbsp/i386/shared/irq/irq_asm.h')
| -rw-r--r-- | c/src/lib/libbsp/i386/shared/irq/irq_asm.h | 45 |
1 files changed, 0 insertions, 45 deletions
diff --git a/c/src/lib/libbsp/i386/shared/irq/irq_asm.h b/c/src/lib/libbsp/i386/shared/irq/irq_asm.h deleted file mode 100644 index 05cb4e6cc3..0000000000 --- a/c/src/lib/libbsp/i386/shared/irq/irq_asm.h +++ /dev/null @@ -1,45 +0,0 @@ -/** - * @file - * @ingroup i386_irq - * @brief - */ - -/* irq_asm.h - * - * This include file has defines to represent some contant used - * to program and manage the Intel 8259 interrupt controller - * - * - * COPYRIGHT (c) 1998 valette@crf.canon.fr - * - * Copyright (c) 2016 Chris Johns <chrisj@rtems.org> - * - * The license and distribution terms for this file may be - * found in the file LICENSE in this distribution or at - * http://www.rtems.org/license/LICENSE. - */ -#ifndef __I8259S_H__ -#define __I8259S_H__ - -#define BSP_ASM_IRQ_VECTOR_BASE 0x20 - /** @brief PIC's command and mask registers */ -#define PIC_MASTER_COMMAND_IO_PORT 0x20 ///< Master PIC command register -#define PIC_SLAVE_COMMAND_IO_PORT 0xa0 ///< Slave PIC command register -#define PIC_MASTER_IMR_IO_PORT 0x21 ///< Master PIC Interrupt Mask Register -#define PIC_SLAVE_IMR_IO_PORT 0xa1 ///< Slave PIC Interrupt Mask Register - - /** @brief Command for specific EOI (End Of Interrupt): Interrupt acknowledge */ -#define PIC_EOSI 0x60 ///< End of Specific Interrupt (EOSI) -#define PIC_EOI 0x20 ///< Generic End of Interrupt (EOI) - -/* Operation control word type 3. Bit 3 (0x08) must be set. Even address. */ -#define PIC_OCW3_RIS 0x01 /* 1 = read IS, 0 = read IR */ -#define PIC_OCW3_RR 0x02 /* register read */ -#define PIC_OCW3_P 0x04 /* poll mode command */ -/* 0x08 must be 1 to select OCW3 vs OCW2 */ -#define PIC_OCW3_SEL 0x08 /* must be 1 */ -/* 0x10 must be 0 to select OCW3 vs ICW1 */ -#define PIC_OCW3_SMM 0x20 /* special mode mask */ -#define PIC_OCW3_ESMM 0x40 /* enable SMM */ - -#endif |