isa_registers.cxx

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00001 /*
00002 
00003   Copyright (C) 2000, 2001 Silicon Graphics, Inc.  All Rights Reserved.
00004 
00005   This program is free software; you can redistribute it and/or modify it
00006   under the terms of version 2 of the GNU General Public License as
00007   published by the Free Software Foundation.
00008 
00009   This program is distributed in the hope that it would be useful, but
00010   WITHOUT ANY WARRANTY; without even the implied warranty of
00011   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  
00012 
00013   Further, this software is distributed without any warranty that it is
00014   free of the rightful claim of any third person regarding infringement 
00015   or the like.  Any license provided herein, whether implied or 
00016   otherwise, applies only to this software file.  Patent licenses, if 
00017   any, provided herein do not apply to combinations of this program with 
00018   other software, or any other product whatsoever.  
00019 
00020   You should have received a copy of the GNU General Public License along
00021   with this program; if not, write the Free Software Foundation, Inc., 59
00022   Temple Place - Suite 330, Boston MA 02111-1307, USA.
00023 
00024   Contact information:  Silicon Graphics, Inc., 1600 Amphitheatre Pky,
00025   Mountain View, CA 94043, or:
00026 
00027   http://www.sgi.com
00028 
00029   For further information regarding this notice, see:
00030 
00031   http://oss.sgi.com/projects/GenInfo/NoticeExplan
00032 
00033 */
00034 
00035 
00036 //  
00037 //  Generate ISA registers information
00039 
00040 
00041 
00042 #include <stddef.h>
00043 #include "isa_registers_gen.h"
00044 #include "targ_isa_subset.h"
00045 
00046 
00047 static int ISA_Mask(ISA_SUBSET isa)
00048 {
00049   return 1 << (int)isa;
00050 }
00051 
00052 
00053 static int All_ISA_Mask(void)
00054 {
00055   int i;
00056   int mask = 0;
00057   for (i = ISA_SUBSET_MIN; i <= ISA_SUBSET_MAX; ++i) {
00058     mask |= 1 << i;
00059   }
00060   return mask;
00061 }
00062 
00063 
00064 static int Range_ISA_Mask(ISA_SUBSET min_isa, ISA_SUBSET max_isa)
00065 {
00066   int i;
00067   int mask = 0;
00068   for (i = (int)min_isa; i <= (int)max_isa; ++i) {
00069     mask |= 1 << i;
00070   }
00071   return mask;
00072 }
00073 
00074 
00075 static const char *ar_reg_names[128] = {
00076   "ar.k0",     "ar.k1",     "ar.k2",       "ar.k3",             // 0-3
00077   "ar.k4",     "ar.k5",     "ar.k6",       "ar.k7",             // 4-7
00078   NULL,        NULL,        NULL,          NULL,                // 8-11
00079   NULL,        NULL,        NULL,          NULL,                // 12-15
00080   "ar.rsc",    "ar.bsp",    "ar.bspstore", "ar.rnat",           // 16-19
00081   NULL,        "ar.fcr",    NULL,          NULL,                // 20-23
00082   "ar,eflag",  "ar.csd",    "ar.ssd",      "ar.cflg",           // 24-27
00083   "ar.fsr",    "ar.fir",    "ar.fdr",      NULL,                // 28-31
00084   "ar.ccv",    NULL,        NULL,          NULL,                // 32-35
00085   "ar.unat",   NULL,        NULL,          NULL,                // 36-39
00086   "ar.fpsr",   NULL,        NULL,          NULL,                // 40-43
00087   "ar.itc",    NULL,        NULL,          NULL,                // 44-47
00088   NULL,        NULL,        NULL,          NULL,                // 48-51
00089   NULL,        NULL,        NULL,          NULL,                // 52-55
00090   NULL,        NULL,        NULL,          NULL,                // 56-59
00091   NULL,        NULL,        NULL,          NULL,                // 60-63
00092   "ar.pfs",    "ar.lc",     "ar.ec",       NULL,                // 64-67
00093   NULL,        NULL,        NULL,          NULL,                // 68-71
00094   NULL,        NULL,        NULL,          NULL,                // 72-75
00095   NULL,        NULL,        NULL,          NULL,                // 76-79
00096   NULL,        NULL,        NULL,          NULL,                // 80-83
00097   NULL,        NULL,        NULL,          NULL,                // 84-87
00098   NULL,        NULL,        NULL,          NULL,                // 88-91
00099   NULL,        NULL,        NULL,          NULL,                // 92-95
00100   NULL,        NULL,        NULL,          NULL,                // 96-99
00101   NULL,        NULL,        NULL,          NULL,                // 100-103
00102   NULL,        NULL,        NULL,          NULL,                // 104-107
00103   NULL,        NULL,        NULL,          NULL,                // 108-111
00104   NULL,        NULL,        NULL,          NULL,                // 112-115
00105   NULL,        NULL,        NULL,          NULL,                // 116-119
00106   NULL,        NULL,        NULL,          NULL,                // 120-123
00107   NULL,        NULL,        NULL,          NULL,                // 124-127
00108 };
00109 
00110 
00111 static const char *cr_reg_names[128] = {
00112   "cr.dcr",    "cr.itm",    "cr.iva",    NULL,          // 0-3
00113   NULL,        NULL,        NULL,        NULL,          // 4-7
00114   "cr.pta",    NULL,        NULL,        NULL,          // 8-11
00115   NULL,        NULL,        NULL,        NULL,          // 12-15
00116   "cr.ipsr",   "cr.isr",    NULL,        "cr.iip",      // 16-19
00117   "cr.ifa",    "cr.itir",   "cr.iipa",   "cr.ifs",      // 20-23
00118   "cr.iim",    "cr.iha",    NULL,        NULL,          // 24-27
00119   NULL,        NULL,        NULL,        NULL,          // 28-31
00120   NULL,        NULL,        NULL,        NULL,          // 32-35
00121   NULL,        NULL,        NULL,        NULL,          // 36-39
00122   NULL,        NULL,        NULL,        NULL,          // 40-43
00123   NULL,        NULL,        NULL,        NULL,          // 44-47
00124   NULL,        NULL,        NULL,        NULL,          // 48-51
00125   NULL,        NULL,        NULL,        NULL,          // 52-55
00126   NULL,        NULL,        NULL,        NULL,          // 56-59
00127   NULL,        NULL,        NULL,        NULL,          // 60-63
00128   "cr.lid",    "cr.ivr",    "cr.tpr",    "cr.eoi",      // 64-67
00129   "cr.irr0",   "cr.irr1",   "cr.irr2",   "cr.irr3",     // 68-71
00130   "cr.itv",    "cr.pmv",    "cr.cmcv",   NULL,          // 72-75
00131   NULL,        NULL,        NULL,        NULL,          // 76-79
00132   "cr.lrr0",   "cr.lrr1",   NULL,        NULL,          // 80-83
00133   NULL,        NULL,        NULL,        NULL,          // 84-87
00134   NULL,        NULL,        NULL,        NULL,          // 88-91
00135   NULL,        NULL,        NULL,        NULL,          // 92-95
00136   NULL,        NULL,        NULL,        NULL,          // 96-99
00137   NULL,        NULL,        NULL,        NULL,          // 100-103
00138   NULL,        NULL,        NULL,        NULL,          // 104-107
00139   NULL,        NULL,        NULL,        NULL,          // 108-111
00140   NULL,        NULL,        NULL,        NULL,          // 112-115
00141   NULL,        NULL,        NULL,        NULL,          // 116-119
00142   NULL,        NULL,        NULL,        NULL,          // 120-123
00143   NULL,        NULL,        NULL,        NULL,          // 124-127
00144 };
00145 
00146 static const char *int_reg_names[128] = {
00147   NULL,  "gp",  NULL,  NULL,  NULL,  NULL,  NULL,  NULL,  // 0-7
00148   NULL,  NULL,  NULL,  NULL,  "sp",  NULL,  NULL,  NULL,  // 8-15
00149   NULL,  NULL,  NULL,  NULL,  NULL,  NULL,  NULL,  NULL,  // 16-23
00150   NULL,  NULL,  NULL,  NULL,  NULL,  NULL,  NULL,  NULL,  // 24-31
00151   NULL,  NULL,  NULL,  NULL,  NULL,  NULL,  NULL,  NULL,  // 32-39
00152   NULL,  NULL,  NULL,  NULL,  NULL,  NULL,  NULL,  NULL,  // 40-47
00153   NULL,  NULL,  NULL,  NULL,  NULL,  NULL,  NULL,  NULL,  // 48-55
00154   NULL,  NULL,  NULL,  NULL,  NULL,  NULL,  NULL,  NULL,  // 56-63
00155   NULL,  NULL,  NULL,  NULL,  NULL,  NULL,  NULL,  NULL,  // 64-71
00156   NULL,  NULL,  NULL,  NULL,  NULL,  NULL,  NULL,  NULL,  // 72-79
00157   NULL,  NULL,  NULL,  NULL,  NULL,  NULL,  NULL,  NULL,  // 80-87
00158   NULL,  NULL,  NULL,  NULL,  NULL,  NULL,  NULL,  NULL,  // 88-95
00159   NULL,  NULL,  NULL,  NULL,  NULL,  NULL,  NULL,  NULL,  // 96-103
00160   NULL,  NULL,  NULL,  NULL,  NULL,  NULL,  NULL,  NULL,  // 104-111
00161   NULL,  NULL,  NULL,  NULL,  NULL,  NULL,  NULL,  NULL,  // 112-119
00162   NULL,  NULL,  NULL,  NULL,  NULL,  NULL,  NULL,  NULL,  // 120-127
00163 };
00164 
00165 static const int addl_regs[] = { 0, 1, 2, 3 };
00166 
00167 static const int ec_regs[] = { 66 };
00168 static const int lc_regs[] = { 65 };
00169 static int num_ar_i_regs, ar_i_regs[128];
00170 static int num_ar_m_regs, ar_m_regs[128];
00171 
00172 static void init_ar_regs(void)
00173 {
00174   int i;
00175   int n;
00176 
00177   n = 0;
00178   for (i = 0; i <= 63; ++i) ar_m_regs[n++] = i;
00179   for (i = 112; i <= 127; ++i) ar_m_regs[n++] = i;
00180   num_ar_m_regs = n;
00181 
00182   n = 0;
00183   for (i = 48; i <= 127; ++i) ar_i_regs[n++] = i;
00184   num_ar_i_regs = n;
00185 }
00186 
00187 #define NELEMS(a) (sizeof(a) / sizeof(*(a)))
00188 
00189 main()
00190 {
00191   ISA_REGISTER_CLASS
00192     rc_integer,
00193     rc_float,
00194     rc_predicate,
00195     rc_branch,
00196     rc_application,
00197     rc_control;
00198 
00199   ISA_Registers_Begin("ia64");
00200 
00201   init_ar_regs();
00202 
00203   rc_integer = ISA_Register_Class_Create("integer", 64, true, false);
00204   rc_float = ISA_Register_Class_Create("float", 82, true, false);
00205   rc_predicate = ISA_Register_Class_Create("predicate", 1, false, true);
00206   rc_branch = ISA_Register_Class_Create("branch", 64, false, false);
00207   rc_application = ISA_Register_Class_Create("application", 64, false, false);
00208   rc_control = ISA_Register_Class_Create("control", 64, false, false);
00209 
00210   ISA_Register_Set(rc_integer, 0, 127, "r%d", int_reg_names, All_ISA_Mask());
00211 // 32-127 rotate
00212 // r0 == 0
00213   ISA_Register_Subclass_Create("addl", rc_integer, 
00214                                NELEMS(addl_regs), addl_regs, NULL);
00215 
00216   ISA_Register_Set(rc_float, 0, 127, "f%d", NULL, All_ISA_Mask());
00217 // 32-127 rotate
00218 // f0 = 0.0
00219 // f1 = 1.1
00220 
00221   ISA_Register_Set(rc_predicate, 0, 63, "p%d", NULL, All_ISA_Mask());
00222 // 16-63 rotate
00223 // p0 = 1
00224 
00225   ISA_Register_Set(rc_branch, 0, 7, "b%d", NULL, All_ISA_Mask());
00226 
00227   ISA_Register_Set(rc_application, 0, 127, "ar%d", ar_reg_names,
00228                    All_ISA_Mask());
00229   ISA_Register_Subclass_Create("ar_i", rc_application, 
00230                                num_ar_i_regs, ar_i_regs, NULL);
00231   ISA_Register_Subclass_Create("ar_m", rc_application, 
00232                                num_ar_m_regs, ar_m_regs, NULL);
00233   ISA_Register_Subclass_Create("ec", rc_application, 
00234                                NELEMS(ec_regs), ec_regs, NULL);
00235   ISA_Register_Subclass_Create("lc", rc_application, 
00236                                NELEMS(lc_regs), lc_regs, NULL);
00237 
00238   ISA_Register_Set(rc_control, 0, 127, "cr%d", cr_reg_names,
00239                    All_ISA_Mask());
00240 
00241   ISA_Registers_End();
00242   return 0;
00243 }
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