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/*
* Copyright (c) 2013-2015 Free Software Foundation.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#ifndef _MODEL_DEP_H_
#define _MODEL_DEP_H_
#include <mach/vm_prot.h>
extern int timemmap(dev_t dev, vm_offset_t off, vm_prot_t prot);
void inittodr(void);
/*
* Interrupt stack.
*
* We allocate the interrupt stacks from the kernels stack cache. As
* the stacks are naturally aligned, it is easy to find the base
* address given a stack pointer.
*/
extern vm_offset_t int_stack_top, int_stack_base;
/* Check whether P points to the interrupt stack. */
#define ON_INT_STACK(P) (((P) & ~(KERNEL_STACK_SIZE-1)) == int_stack_base)
#endif /* _MODEL_DEP_H_ */
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