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Diffstat (limited to 'c/src/lib/libbsp/i386/shared/irq/irq.h')
| -rw-r--r-- | c/src/lib/libbsp/i386/shared/irq/irq.h | 135 |
1 files changed, 0 insertions, 135 deletions
diff --git a/c/src/lib/libbsp/i386/shared/irq/irq.h b/c/src/lib/libbsp/i386/shared/irq/irq.h deleted file mode 100644 index 095af423cf..0000000000 --- a/c/src/lib/libbsp/i386/shared/irq/irq.h +++ /dev/null @@ -1,135 +0,0 @@ -/** - * @file - * @ingroup i386_irq - * @brief Interrupt handlers - */ - -/* irq.h - * - * This include file describe the data structure and the functions implemented - * by rtems to write interrupt handlers. - * - * CopyRight (C) 1998 valette@crf.canon.fr - * - * This code is heavilly inspired by the public specification of STREAM V2 - * that can be found at : - * - * <http://www.chorus.com/Documentation/index.html> by following - * the STREAM API Specification Document link. - * - * 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. - */ - -/** - * @defgroup i386_irq Interrupt handlers - * @ingroup i386_shared - * @brief Data structure and the functions to write interrupt handlers - * @{ - */ - -#ifndef _IRQ_H_ -#define _IRQ_H_ - -#ifdef __cplusplus -extern "C" { -#endif - -/** @brief - * Include some preprocessor value also used by assember code - */ - -#include <bsp/irq_asm.h> -#include <rtems.h> -#define BSP_SHARED_HANDLER_SUPPORT 1 -#include <rtems/irq.h> -#include <rtems/irq-extension.h> - -/*-------------------------------------------------------------------------+ -| Constants -+--------------------------------------------------------------------------*/ - - /** @brief Base vector for our IRQ handlers. */ -#define BSP_IRQ_VECTOR_BASE BSP_ASM_IRQ_VECTOR_BASE -#define BSP_IRQ_LINES_NUMBER 17 -#define BSP_LOWEST_OFFSET 0 -#define BSP_MAX_ON_i8259S (BSP_IRQ_LINES_NUMBER - 2) -#define BSP_MAX_OFFSET (BSP_IRQ_LINES_NUMBER - 1) - /** @brief - * Interrupt offset in comparison to BSP_ASM_IRQ_VECTOR_BASE - * NB : 1) Interrupt vector number in IDT = offset + BSP_ASM_IRQ_VECTOR_BASE - * 2) The same name should be defined on all architecture - * so that handler connection can be unchanged. - */ -#define BSP_PERIODIC_TIMER 0 -#define BSP_KEYBOARD 1 -#define BSP_UART_COM2_IRQ 3 -#define BSP_UART_COM1_IRQ 4 -#define BSP_UART_COM3_IRQ 5 -#define BSP_UART_COM4_IRQ 6 -#define BSP_RT_TIMER1 8 -#define BSP_RT_TIMER3 10 -#define BSP_SMP_IPI 16 - -#define BSP_INTERRUPT_VECTOR_MIN BSP_LOWEST_OFFSET -#define BSP_INTERRUPT_VECTOR_MAX BSP_MAX_OFFSET - -/** @brief - * Type definition for RTEMS managed interrupts - */ -typedef unsigned short rtems_i8259_masks; - -/** - * @brief Contains the current IMR of both i8259s. - */ -extern rtems_i8259_masks i8259s_cache; - -/** - * @brief Contains the super IMR of both i8259s to overrule i8259s_cache during - * interrupt exit. - * - * This enables a bsp_interrupt_vector_disable() in interrupt handlers. This - * is required for the interrupt server support used by the new network stack. - */ -extern rtems_i8259_masks i8259s_super_imr; - -/*-------------------------------------------------------------------------+ -| Function Prototypes. -+--------------------------------------------------------------------------*/ -/* - * ------------------------ Intel 8259 (or emulation) Mngt Routines ------- - */ - -/** @brief - * function to disable a particular irq at 8259 level. After calling - * this function, even if the device asserts the interrupt line it will - * not be propagated further to the processor - */ -int BSP_irq_disable_at_i8259s (const rtems_irq_number irqLine); -/** @brief - * function to enable a particular irq at 8259 level. After calling - * this function, if the device asserts the interrupt line it will - * be propagated further to the processor - */ -int BSP_irq_enable_at_i8259s (const rtems_irq_number irqLine); -/** @brief - * function to acknoledge a particular irq at 8259 level. After calling - * this function, if a device asserts an enabled interrupt line it will - * be propagated further to the processor. Mainly usefull for people - * writting raw handlers as this is automagically done for rtems managed - * handlers. - */ -int BSP_irq_ack_at_i8259s (const rtems_irq_number irqLine); -/** @brief - * function to check if a particular irq is enabled at 8259 level. After calling - */ -int BSP_irq_enabled_at_i8259s (const rtems_irq_number irqLine); - -/** @} */ - -#ifdef __cplusplus -} -#endif - -#endif /* _IRQ_H_ */ |