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      1 /*
      2  * CDDL HEADER START
      3  *
      4  * The contents of this file are subject to the terms of the
      5  * Common Development and Distribution License (the "License").
      6  * You may not use this file except in compliance with the License.
      7  *
      8  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
      9  * or http://www.opensolaris.org/os/licensing.
     10  * See the License for the specific language governing permissions
     11  * and limitations under the License.
     12  *
     13  * When distributing Covered Code, include this CDDL HEADER in each
     14  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
     15  * If applicable, add the following below this CDDL HEADER, with the
     16  * fields enclosed by brackets "[]" replaced with your own identifying
     17  * information: Portions Copyright [yyyy] [name of copyright owner]
     18  *
     19  * CDDL HEADER END
     20  */
     21 /*
     22  * Copyright 2006 Sun Microsystems, Inc.  All rights reserved.
     23  * Use is subject to license terms.
     24  */
     25 
     26 #ifndef	_SYS_FC_PLAT_H
     27 #define	_SYS_FC_PLAT_H
     28 
     29 #pragma ident	"%Z%%M%	%I%	%E% SMI"
     30 
     31 #include <sys/inttypes.h>
     32 #include <sys/obpdefs.h>
     33 
     34 #ifdef	__cplusplus
     35 extern "C" {
     36 #endif
     37 
     38 /*
     39  * Platform specific definitions for the fcode interpreter and driver.
     40  * Define the cell size for the implementation.
     41  *
     42  * These definitions are appropriate for SPARC V9.
     43  */
     44 
     45 /*
     46  * The cell size is based on the cell size of the underlying "firmware"
     47  * implementation.  NB: FCode is really a 32-bit language, but we still
     48  * define our interfaces in terms of the underlying cell size.
     49  */
     50 
     51 typedef unsigned long long fc_cell_t;
     52 
     53 /*
     54  * common typedef for phandles accross the interface.
     55  */
     56 typedef uint32_t fc_phandle_t;
     57 
     58 /*
     59  * Handy macros for converting from an fc_cell_t to an integral type
     60  * These are useful because arguments and results are always passed
     61  * in an array of fc_cell_t's.
     62  */
     63 
     64 #define	fc_ptr2cell(p)		((fc_cell_t)((uintptr_t)((void *)(p))))
     65 #define	fc_int2cell(i)		((fc_cell_t)((int)(i)))
     66 #define	fc_uint2cell(u)		((fc_cell_t)((unsigned int)(u)))
     67 #define	fc_uint32_t2cell(u)	((fc_cell_t)((unsigned int)((uint32_t)(u))))
     68 #define	fc_uint16_t2cell(w)	((fc_cell_t)((unsigned int)((uint16_t)(w))))
     69 #define	fc_uint8_t2cell(b)	((fc_cell_t)((unsigned int)((uint8_t)(b))))
     70 #define	fc_size2cell(u)		((fc_cell_t)((size_t)(u)))
     71 #define	fc_ssize2cell(i)	((fc_cell_t)((ssize_t)(i)))
     72 #define	fc_phandle2cell(ph)	((fc_cell_t)((unsigned int)((phandle_t)(ph))))
     73 #define	fc_dnode2cell(d)	((fc_cell_t)((unsigned int)((pnode_t)(d))))
     74 #define	fc_ull2cell_high(ll)	(0LL)
     75 #define	fc_ull2cell_low(ll)	((fc_cell_t)(ll))
     76 #define	fc_uintptr2cell(i)	((fc_cell_t)((uintptr_t)(i)))
     77 #define	fc_uchar2cell(c)	((fc_cell_t)((unsigned char)(c)))
     78 #define	fc_ushort2cell(w)	((fc_cell_t)((unsigned short)(w)))
     79 #define	fc_ihandle2cell(h)	((fc_cell_t)((fc_ihandle_t)(h)))
     80 
     81 #define	fc_cell2ptr(p)		((void *)((fc_cell_t)(p)))
     82 #define	fc_cell2int(i)		((int)((fc_cell_t)(i)))
     83 #define	fc_cell2uint(u)		((unsigned int)((fc_cell_t)(u)))
     84 #define	fc_cell2uint32_t(u)	((uint32_t)((fc_cell_t)(u)))
     85 #define	fc_cell2uint16_t(w)	((uint16_t)((fc_cell_t)(w)))
     86 #define	fc_cell2uint8_t(b)	((uint8_t)((fc_cell_t)(b)))
     87 #define	fc_cell2size(u)		((size_t)((fc_cell_t)(u)))
     88 #define	fc_cell2ssize(i)	((ssize_t)((fc_cell_t)(i)))
     89 #define	fc_cell2phandle(ph)	((phandle_t)((fc_cell_t)(ph)))
     90 #define	fc_cell2dnode(d)	((pnode_t)((fc_cell_t)(d)))
     91 #define	fc_cells2ull(h, l)	((unsigned long long)(fc_cell_t)(l))
     92 #define	fc_cell2uintptr(i)	((uintptr_t)((fc_cell_t)(i)))
     93 #define	fc_cell2uchar(c)	((unsigned char)(fc_cell_t)(c))
     94 #define	fc_cell2ushort(w)	((unsigned short)(fc_cell_t)(w))
     95 #define	fc_cell2ihandle(h)	((fc_ihandle_t)(fc_cell_t)(h))
     96 
     97 #ifdef	__cplusplus
     98 }
     99 #endif
    100 
    101 #endif /* _SYS_FC_PLAT_H */
    102