9de17be600
can safely be used. * Since using the I/O APIC is disabled by default, I've removed the "return" that prevented its use when enabled. Let's see if it already does anything. * Adapted other arch_int.cpp with a bit of cleanup. git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@36290 a95241bf-73f2-0310-859d-f6bbb57e9c96
47 lines
1.1 KiB
C
47 lines
1.1 KiB
C
/*
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* Copyright 2002-2010, 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_ARCH_INT_H
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#define KERNEL_ARCH_INT_H
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// config flags for arch_int_configure_io_interrupt()
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#define B_EDGE_TRIGGERED 1
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#define B_LEVEL_TRIGGERED 2
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#define B_LOW_ACTIVE_POLARITY 4
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#define B_HIGH_ACTIVE_POLARITY 8
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#ifdef __cplusplus
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extern "C" {
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#endif
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struct kernel_args;
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status_t arch_int_init(struct kernel_args* args);
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status_t arch_int_init_post_vm(struct kernel_args* args);
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status_t arch_int_init_io(kernel_args* args);
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status_t arch_int_init_post_device_manager(struct kernel_args* args);
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void arch_int_enable_interrupts(void);
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int arch_int_disable_interrupts(void);
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void arch_int_restore_interrupts(int oldState);
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void arch_int_enable_io_interrupt(int irq);
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void arch_int_disable_io_interrupt(int irq);
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void arch_int_configure_io_interrupt(int irq, uint32 config);
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bool arch_int_are_interrupts_enabled(void);
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#ifdef __cplusplus
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}
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#endif
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#include <arch_int.h>
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#endif /* KERNEL_ARCH_INT_H */
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