aa595accc9
equivalent to SYS_RES_MEMORY for x86 but for alpha, the rman_get_virtual() address of the resource is initialised to point into either dense-mapped or bwx-mapped space respectively, allowing direct memory pointers to be used to device memory. Reviewed by: Andrew Gallatin <gallatin@cs.duke.edu>
46 lines
1.9 KiB
C
46 lines
1.9 KiB
C
/*
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* Copyright 1998 Massachusetts Institute of Technology
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*
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* Permission to use, copy, modify, and distribute this software and
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* its documentation for any purpose and without fee is hereby
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* granted, provided that both the above copyright notice and this
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* permission notice appear in all copies, that both the above
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* copyright notice and this permission notice appear in all
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* supporting documentation, and that the name of M.I.T. not be used
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* in advertising or publicity pertaining to distribution of the
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* software without specific, written prior permission. M.I.T. makes
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* no representations about the suitability of this software for any
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* purpose. It is provided "as is" without express or implied
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* warranty.
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*
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* THIS SOFTWARE IS PROVIDED BY M.I.T. ``AS IS''. M.I.T. DISCLAIMS
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* ALL EXPRESS OR IMPLIED WARRANTIES WITH REGARD TO THIS SOFTWARE,
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* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT
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* SHALL M.I.T. BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
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* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
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* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#ifndef _MACHINE_RESOURCE_H_
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#define _MACHINE_RESOURCE_H_ 1
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/*
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* Definitions of resource types for Intel Architecture machines
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* with support for legacy ISA devices and drivers.
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*/
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#define SYS_RES_IRQ 1 /* interrupt lines */
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#define SYS_RES_DRQ 2 /* isa dma lines */
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#define SYS_RES_MEMORY 3 /* i/o memory */
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#define SYS_RES_IOPORT 4 /* i/o ports */
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#define SYS_RES_DENSE SYS_RES_MEMORY
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#define SYS_RES_BWX SYS_RES_MEMORY
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#endif /* !_MACHINE_RESOURCE_H_ */
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