usr/src/uts/sun4/sys/fc_plat.h

   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 */