1 /* This file is part of the program psim.
3 Copyright (C) 1994-1995, Andrew Cagney <cagney@highland.com.au>
5 This program is free software; you can redistribute it and/or modify
6 it under the terms of the GNU General Public License as published by
7 the Free Software Foundation; either version 2 of the License, or
8 (at your option) any later version.
10 This program is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 GNU General Public License for more details.
15 You should have received a copy of the GNU General Public License
16 along with this program; if not, write to the Free Software
17 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
28 #include "registers.h"
45 registers_dump(registers *registers)
49 for (i = 0; i < 8; i++) {
50 printf_filtered("GPR %2d:", i*4);
51 for (j = 0; j < 4; j++) {
52 printf_filtered(" 0x%08lx", (long)registers->gpr[i*4 + j]);
54 printf_filtered("\n");
58 STATIC_INLINE_REGISTERS\
60 find_spr(const char name[])
63 for (spr = 0; spr < nr_of_sprs; spr++)
65 && !strcmp(name, spr_name(spr))
66 && spr_index(spr) == spr)
71 STATIC_INLINE_REGISTERS\
73 are_digits(const char *digits)
75 while (isdigit(*digits))
77 return *digits == '\0';
82 (register_descriptions)
83 register_description(const char reg[])
85 register_descriptions description;
87 /* try for a general-purpose integer or floating point register */
88 if (reg[0] == 'r' && are_digits(reg + 1)) {
89 description.type = reg_gpr;
90 description.index = atoi(reg+1);
91 description.size = sizeof(gpreg);
93 else if (reg[0] == 'f' && are_digits(reg + 1)) {
94 description.type = reg_fpr;
95 description.index = atoi(reg+1);
96 description.size = sizeof(fpreg);
98 else if (!strcmp(reg, "pc") || !strcmp(reg, "nia")) {
99 description.type = reg_pc;
100 description.index = 0;
101 description.size = sizeof(unsigned_word);
103 else if (!strcmp(reg, "sp")) {
104 description.type = reg_gpr;
105 description.index = 1;
106 description.size = sizeof(gpreg);
108 else if (!strcmp(reg, "toc")) {
109 description.type = reg_gpr;
110 description.index = 2;
111 description.size = sizeof(gpreg);
113 else if (!strcmp(reg, "cr") || !strcmp(reg, "cnd")) {
114 description.type = reg_cr;
115 description.index = 0;
116 description.size = sizeof(creg); /* FIXME */
118 else if (!strcmp(reg, "msr") || !strcmp(reg, "ps")) {
119 description.type = reg_msr;
120 description.index = 0;
121 description.size = sizeof(msreg);
123 else if (!strcmp(reg, "fpscr")) {
124 description.type = reg_fpscr;
125 description.index = 0;
126 description.size = sizeof(fpscreg);
128 else if (!strncmp(reg, "sr", 2) && are_digits(reg + 2)) {
129 description.type = reg_sr;
130 description.index = atoi(reg+2);
131 description.size = sizeof(sreg);
133 else if (!strcmp(reg, "cnt")) {
134 description.type = reg_spr;
135 description.index = spr_ctr;
136 description.size = sizeof(spreg);
138 else if (!strcmp(reg, "insns")) {
139 description.type = reg_insns;
140 description.index = spr_ctr;
141 description.size = sizeof(unsigned_word);
143 else if (!strcmp(reg, "stalls")) {
144 description.type = reg_stalls;
145 description.index = spr_ctr;
146 description.size = sizeof(unsigned_word);
148 else if (!strcmp(reg, "cycles")) {
149 description.type = reg_cycles;
150 description.index = spr_ctr;
151 description.size = sizeof(unsigned_word);
154 else if (reg[0] == 'v' && reg[1] == 'r' && are_digits(reg + 2)) {
155 description.type = reg_vr;
156 description.index = atoi(reg+2);
157 description.size = sizeof(vreg);
159 else if (!strcmp(reg, "vscr")) {
160 description.type = reg_vscr;
161 description.index = 0;
162 description.size = sizeof(vscreg);
166 else if (reg[0] == 'e' && reg[1] == 'v' && are_digits(reg + 2)) {
167 description.type = reg_evr;
168 description.index = atoi(reg+2);
169 description.size = sizeof(unsigned64);
171 else if (reg[0] == 'r' && reg[1] == 'h' && are_digits(reg + 2)) {
172 description.type = reg_gprh;
173 description.index = atoi(reg+2);
174 description.size = sizeof(gpreg);
176 else if (!strcmp(reg, "acc")) {
177 description.type = reg_acc;
178 description.index = 0;
179 description.size = sizeof(unsigned64);
183 sprs spr = find_spr(reg);
184 if (spr != nr_of_sprs) {
185 description.type = reg_spr;
186 description.index = spr;
187 description.size = sizeof(spreg);
190 description.type = reg_invalid;
191 description.index = 0;
192 description.size = 0;
198 #endif /* _REGISTERS_C_ */