haiku/headers/private/kernel/int.h
Axel Dörfler b20667b35b {install|remove}_io_interrupt_handler() now correctly handle the B_NO_ENABLE_COUNTER flag.
Lots of cleanup:
- moved B_NO_ENABLE_COUNTER flag definition out of int.h to KernelExport.h, as it's
  described in the BeBook (although it's probably not really used that often :))
- int.c no longer has any platform dependent code (+ 0x20 on interrupt numbers is gone);
  it's now entirely handled in the arch/x86/ section.
- the io_vectors[] is now statically initialized, instead of allocated from the heap
- removed {install|remove}_interrupt_handler(); they weren't that useful, arch_smp_init()
  is now calling install_io_interrupt_handler() correctly instead
- introduced a new arch_int.h header file that currently contains NUM_IO_VECTORS only
  (though on x86, it also has ARCH_INTERRUPT_BASE == 0x20).
- changed the return type from {install|remove}_io_interrupt_handler() from "long" to
  "status_t"
- rearranged and cleaned the PIC initialization code, made the PIC code more prominent
- changed comments that talk about a non existing 8239 (the PIC chip is actually 8259)
- moved arch/x86/interrupts.h to the source directory, as it's not used outside
- added BeOS compatible interrupts_enabled() function, that should replace our
  equivalent (and private) are_interrupts_enabled()


git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@12477 a95241bf-73f2-0310-859d-f6bbb57e9c96
2005-04-27 01:08:35 +00:00

45 lines
825 B
C

/*
* Copyright 2003-2005, Axel Dörfler, axeld@pinc-software.de. All rights reserved.
* Distributed under the terms of the MIT License.
*
* Copyright 2001-2002, Travis Geiselbrecht. All rights reserved.
* Distributed under the terms of the NewOS License.
*/
#ifndef _KERNEL_INT_H
#define _KERNEL_INT_H
#include <KernelExport.h>
#include <arch/int.h>
struct kernel_args;
#ifdef __cplusplus
extern "C" {
#endif
status_t int_init(struct kernel_args *args);
status_t int_init_post_vm(struct kernel_args *args);
int int_io_interrupt_handler(int vector);
bool interrupts_enabled(void);
static inline void
enable_interrupts(void)
{
arch_int_enable_interrupts();
}
static inline bool
are_interrupts_enabled(void)
{
return arch_int_are_interrupts_enabled();
}
#ifdef __cplusplus
}
#endif
#endif /* _KERNEL_INT_H */