diff options
author | benno <benno@FreeBSD.org> | 2002-07-09 11:12:20 +0000 |
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committer | benno <benno@FreeBSD.org> | 2002-07-09 11:12:20 +0000 |
commit | 95feadb0a5cdcda16af56f610de6cb4bd8446dcd (patch) | |
tree | 3b894a10c4d1cb3b0ce62693c0ec0f2b8736842e /sys/powerpc/include | |
parent | df20e19b27e4883867e7cebb064c311332f30050 (diff) | |
download | FreeBSD-src-95feadb0a5cdcda16af56f610de6cb4bd8446dcd.zip FreeBSD-src-95feadb0a5cdcda16af56f610de6cb4bd8446dcd.tar.gz |
Add interrupt handling support code.
I've tried to make this fairly platform-independant as some PowerPC platforms
may not have openpic-style interrupt controllers. This may not have the best
performance but it works for now.
Diffstat (limited to 'sys/powerpc/include')
-rw-r--r-- | sys/powerpc/include/intr_machdep.h | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/sys/powerpc/include/intr_machdep.h b/sys/powerpc/include/intr_machdep.h new file mode 100644 index 0000000..e01ebce --- /dev/null +++ b/sys/powerpc/include/intr_machdep.h @@ -0,0 +1,49 @@ +/* + * Copyright (C) 2002 Benno Rice. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY Benno Rice ``AS IS'' AND ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES + * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. + * IN NO EVENT SHALL TOOLS GMBH BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, + * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; + * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, + * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR + * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF + * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + * $FreeBSD$ + */ + +#ifndef _MACHINE_INTR_MACHDEP_H_ +#define _MACHINE_INTR_MACHDEP_H_ + +typedef void ih_func_t(void *); + +struct ithd; + +struct intr_handler { + ih_func_t *ih_func; + void *ih_arg; + struct ithd *ih_ithd; + u_int ih_irq; +}; + +void intr_init(void (*)(void), int, void (*)(int), void (*)(int)); +void intr_setup(u_int, ih_func_t *, void *); +int inthand_add(const char *, u_int, void (*)(void *), void *, int, + void **); +int inthand_remove(u_int, void *); +void intr_handle(u_int); + +#endif /* _MACHINE_INTR_MACHDEP_H_ */ |