ppc/sys/genassym.h

   1 /*
   2  * Copyright (c) 1999 Apple Computer, Inc. All rights reserved.
   3  *
   4  * @APPLE_LICENSE_HEADER_START@
   5  *
   6  * This file contains Original Code and/or Modifications of Original Code
   7  * as defined in and that are subject to the Apple Public Source License
   8  * Version 2.0 (the 'License'). You may not use this file except in
   9  * compliance with the License. Please obtain a copy of the License at
  10  * http://www.opensource.apple.com/apsl/ and read it before using this
  11  * file.
  12  *
  13  * The Original Code and all software distributed under the License are
  14  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  15  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  16  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  17  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
  18  * Please see the License for the specific language governing rights and
  19  * limitations under the License.
  20  *
  21  * @APPLE_LICENSE_HEADER_END@
  22  */
  23 /*
  24  * genassym.h -- macros of use with genassym.c and assymdefs.c
  25  */
  26
  27 #import <architecture/ppc/reg_help.h>
  28 #import <architecture/ppc/macro_help.h>
  29
  30 #define PRINT_OFFSET(ptr_type, field)                                   \
  31 MACRO_BEGIN                                                             \
  32         print_define("", #ptr_type, #field);                            \
  33         print_hex((unsigned) &(((ptr_type)0)->field));                  \
  34 MACRO_END
  35
  36 #define PRINT_BIT_FIELD(reg_type, field)                                \
  37 MACRO_BEGIN                                                             \
  38         reg_type __reg;                                                 \
  39         CONTENTS(__reg) = 0;                                            \
  40         __reg.field = (typeof (__reg.field)) -1;                        \
  41         print_define("", #reg_type, #field);                            \
  42         print_hex(CONTENTS(__reg));                                     \
  43 MACRO_END
  44
  45 #define PRINT_ENUM(item)                                                \
  46 MACRO_BEGIN                                                             \
  47         print_define("", "", #item);                                    \
  48         print_hex((unsigned)item);                                      \
  49 MACRO_END
  50
  51 #define PRINT_DEFINE(macro)                                             \
  52 MACRO_BEGIN                                                             \
  53         print_define("", "", #macro);                                   \
  54         print_str(STRINGIFY(macro));                                    \
  55 MACRO_END
  56
  57 #define PRINT_CONSTANT(macro)                                           \
  58 MACRO_BEGIN                                                             \
  59         print_define("", "", #macro);                                   \
  60         print_hex((unsigned)macro);                                     \
  61 MACRO_END
  62
  63 #define PRINT_REGADDR(macro)                                            \
  64 MACRO_BEGIN                                                             \
  65         print_define("", "", #macro);                                   \
  66         print_hex((unsigned) &macro);                                   \
  67 MACRO_END
  68
  69 #define PRINT_REG_PAIR(struct_ptr, name0, name1)                        \
  70 MACRO_BEGIN                                                             \
  71         print_define("", #struct_ptr, #name0 "_" #name1);               \
  72         print_hex((unsigned) &(((struct_ptr)0)->U_##name0##_##name1));  \
  73 MACRO_END
  74
  75 #define PRINT_BIT_POS(reg_type, field)                                  \
  76 MACRO_BEGIN                                                             \
  77         reg_type __reg;                                                 \
  78         CONTENTS(__reg) = 0;                                            \
  79         __reg.field = 1;                                                \
  80         print_define("", #reg_type, #field "_BIT");                     \
  81         print_dec((int) bit_num(#reg_type, #field, CONTENTS(__reg)));   \
  82 MACRO_END
  83
  84 #define PRINT_FIELD_INFO(reg_type, field)                               \
  85 MACRO_BEGIN                                                             \
  86         reg_type __reg;                                                 \
  87         CONTENTS(__reg) = 0;                                            \
  88         __reg.field = -1;                                               \
  89         print_define("", #reg_type, #field "_OFF");                     \
  90         print_dec((int) bit_num(#reg_type, #field, CONTENTS(__reg)));   \
  91         print_define("", #reg_type, #field "_WIDTH");                   \
  92         print_dec((int) field_width(#reg_type, #field, CONTENTS(__reg)));\
  93 MACRO_END
  94
  95 #define PRINT_L2_SIZE(type)                                             \
  96 MACRO_BEGIN                                                             \
  97         print_define("L2_SIZEOF", #type, "");                           \
  98         print_dec((int) log2(sizeof(type), #type));                     \
  99 MACRO_END
 100
 101 #define PRINT_SIZEOF(type)                                              \
 102 MACRO_BEGIN                                                             \
 103         print_define("SIZEOF", #type, "");                              \
 104         print_dec((int) sizeof(type));                                  \
 105 MACRO_END
 106
 107 #define PRINT_L2_CONSTANT(macro)                                        \
 108 MACRO_BEGIN                                                             \
 109         print_define("L2", "", #macro);                                 \
 110         print_dec((int) log2(macro, #macro));                           \
 111 MACRO_END
 112
 113 typedef enum {
 114         MAJOR, MINOR
 115 } cmt_level_t;
 116
 117 extern void comment(cmt_level_t level, const char *cmt);
 118 extern void print_define(const char *prefix, const char *type_name,
 119  const char *field);
 120 extern void print_dec(int val);
 121 extern void print_hex(unsigned val);
 122 extern void print_str(const char *str);
 123 extern unsigned bit_num(char *reg_type, char *field, unsigned bits);
 124 extern unsigned field_width(char *reg_type, char *field, unsigned bits);
 125 extern unsigned log2(unsigned val, char *type);
 126 extern void assymdefs(void);
 127