diff options
author | Joel Sherrill <joel.sherrill@OARcorp.com> | 2002-04-12 15:08:13 +0000 |
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committer | Joel Sherrill <joel.sherrill@OARcorp.com> | 2002-04-12 15:08:13 +0000 |
commit | a324355fb87d556edac0fee0138eb393767c5f98 (patch) | |
tree | 0eebba3793c3194f73a2895e04583b12496b0069 /cpukit/score/cpu/i386/rtems/score/interrupts.h | |
parent | 2002-04-10 Ralf Corsepius <corsepiu@faw.uni-ulm.de> (diff) | |
download | rtems-a324355fb87d556edac0fee0138eb393767c5f98.tar.bz2 |
2002-03-29 Ralf Corsepius <corsepiu@faw.uni-ulm.de>
* rtems/score/idtr.h: New file, extracted from libcpu/cpu.h.
* rtems/score/interrupts.h: New file, extracted from libcpu/cpu.h.
* rtems/score/registers.h: New file, moved from libcpu.
* Makefile.am: Reflect changes above.
* cpu.c: Don't include cpuModel.h,
#include <rtems.h>,
#include <rtems/score/i386types.h>,
#include <rtems/score/idtr.h>.
* rtems/score/cpu.h: Don't include libcpu/cpu.h.
#include <rtems/score/interrupts.h>,
#include <rtems/score/registers.h>.
Diffstat (limited to 'cpukit/score/cpu/i386/rtems/score/interrupts.h')
-rw-r--r-- | cpukit/score/cpu/i386/rtems/score/interrupts.h | 75 |
1 files changed, 75 insertions, 0 deletions
diff --git a/cpukit/score/cpu/i386/rtems/score/interrupts.h b/cpukit/score/cpu/i386/rtems/score/interrupts.h new file mode 100644 index 0000000000..bcc1dfb85a --- /dev/null +++ b/cpukit/score/cpu/i386/rtems/score/interrupts.h @@ -0,0 +1,75 @@ +/* + * i386 interrupt macros. + * + * Formerly contained in and extracted from libcpu/i386/cpu.h + * + * COPYRIGHT (c) 1998 valette@crf.canon.fr + * + * The license and distribution terms for this file may be + * found in the file LICENSE in this distribution or at + * http://www.OARcorp.com/rtems/license.html. + * + * $Id$ + * + * Applications must not include this file directly. + */ + +#ifndef _rtems_score_interrupts_h +#define _rtems_score_interrupts_h + +#ifndef ASM + +struct __rtems_raw_irq_connect_data__; + +typedef void (*rtems_raw_irq_hdl) (void); +typedef void (*rtems_raw_irq_enable) (const struct __rtems_raw_irq_connect_data__*); +typedef void (*rtems_raw_irq_disable) (const struct __rtems_raw_irq_connect_data__*); +typedef int (*rtems_raw_irq_is_enabled) (const struct __rtems_raw_irq_connect_data__*); + +/* + * Interrupt Level Macros + */ + +#define i386_disable_interrupts( _level ) \ + { \ + asm volatile ( "pushf ; \ + cli ; \ + pop %0" \ + : "=rm" ((_level)) \ + ); \ + } + +#define i386_enable_interrupts( _level ) \ + { \ + asm volatile ( "push %0 ; \ + popf" \ + : : "rm" ((_level)) : "cc" \ + ); \ + } + +#define i386_flash_interrupts( _level ) \ + { \ + asm volatile ( "push %0 ; \ + popf ; \ + cli" \ + : : "rm" ((_level)) : "cc" \ + ); \ + } + +#define i386_get_interrupt_level( _level ) \ + do { \ + register unsigned32 _eflags; \ + \ + asm volatile ( "pushf ; \ + pop %0" \ + : "=rm" ((_eflags)) \ + ); \ + \ + _level = (_eflags & EFLAGS_INTR_ENABLE) ? 0 : 1; \ + } while (0) + +#define _CPU_ISR_Disable( _level ) i386_disable_interrupts( _level ) +#define _CPU_ISR_Enable( _level ) i386_enable_interrupts( _level ) + +#endif +#endif |