61 lines
1.4 KiB
C
61 lines
1.4 KiB
C
/*
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* Copyright 2003-2010, Axel Dörfler, axeld@pinc-software.de.
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* Distributed under the terms of the MIT License.
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*
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* Copyright 2001-2002, Travis Geiselbrecht. All rights reserved.
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* Distributed under the terms of the NewOS License.
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*/
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#ifndef _KERNEL_INT_H
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#define _KERNEL_INT_H
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#include <KernelExport.h>
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#include <arch/int.h>
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// private install_io_interrupt_handler() flags
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#define B_NO_LOCK_VECTOR 0x100
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#define B_NO_HANDLED_INFO 0x200
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struct kernel_args;
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#ifdef __cplusplus
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extern "C" {
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#endif
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status_t int_init(struct kernel_args* args);
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status_t int_init_post_vm(struct kernel_args* args);
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status_t int_init_io(struct kernel_args* args);
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status_t int_init_post_device_manager(struct kernel_args* args);
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int int_io_interrupt_handler(int vector, bool levelTriggered);
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bool interrupts_enabled(void);
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static inline void
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enable_interrupts(void)
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{
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arch_int_enable_interrupts();
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}
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static inline bool
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are_interrupts_enabled(void)
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{
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return arch_int_are_interrupts_enabled();
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}
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#ifdef __cplusplus
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}
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#endif
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// map those directly to the arch versions, so they can be inlined
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#define disable_interrupts() arch_int_disable_interrupts()
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#define restore_interrupts(status) arch_int_restore_interrupts(status)
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status_t reserve_io_interrupt_vectors(long count, long startVector);
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status_t allocate_io_interrupt_vectors(long count, long *startVector);
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void free_io_interrupt_vectors(long count, long startVector);
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#endif /* _KERNEL_INT_H */
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