170 lines
4.2 KiB
C
170 lines
4.2 KiB
C
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/* This file is part of the program psim.
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Copyright (C) 1994-1995, Andrew Cagney <cagney@highland.com.au>
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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#ifndef _REGISTERS_C_
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#define _REGISTERS_C_
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#include <ctype.h>
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#include "basics.h"
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#include "registers.h"
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#ifdef HAVE_STDLIB_H
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#include <stdlib.h>
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#endif
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#ifdef HAVE_STRING_H
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#include <string.h>
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#else
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#ifdef HAVE_STRINGS_H
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#include <strings.h>
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#endif
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#endif
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INLINE_REGISTERS\
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(void)
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registers_dump(registers *registers)
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{
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int i;
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int j;
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for (i = 0; i < 8; i++) {
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printf_filtered("GPR %2d:", i*4);
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for (j = 0; j < 4; j++) {
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printf_filtered(" 0x%08lx", (long)registers->gpr[i*4 + j]);
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}
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printf_filtered("\n");
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}
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}
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STATIC_INLINE_REGISTERS\
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(sprs)
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find_spr(const char name[])
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{
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sprs spr;
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for (spr = 0; spr < nr_of_sprs; spr++)
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if (spr_is_valid(spr)
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&& !strcmp(name, spr_name(spr))
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&& spr_index(spr) == spr)
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return spr;
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return nr_of_sprs;
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}
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STATIC_INLINE_REGISTERS\
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(int)
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are_digits(const char *digits)
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{
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while (isdigit(*digits))
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digits++;
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return *digits == '\0';
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}
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INLINE_REGISTERS\
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(register_descriptions)
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register_description(const char reg[])
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{
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register_descriptions description;
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/* try for a general-purpose integer or floating point register */
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if (reg[0] == 'r' && are_digits(reg + 1)) {
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description.type = reg_gpr;
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description.index = atoi(reg+1);
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description.size = sizeof(gpreg);
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}
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else if (reg[0] == 'f' && are_digits(reg + 1)) {
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description.type = reg_fpr;
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description.index = atoi(reg+1);
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description.size = sizeof(fpreg);
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}
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else if (!strcmp(reg, "pc") || !strcmp(reg, "nia")) {
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description.type = reg_pc;
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description.index = 0;
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description.size = sizeof(unsigned_word);
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}
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else if (!strcmp(reg, "sp")) {
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description.type = reg_gpr;
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description.index = 1;
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description.size = sizeof(gpreg);
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}
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else if (!strcmp(reg, "toc")) {
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description.type = reg_gpr;
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description.index = 2;
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description.size = sizeof(gpreg);
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}
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else if (!strcmp(reg, "cr") || !strcmp(reg, "cnd")) {
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description.type = reg_cr;
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description.index = 0;
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description.size = sizeof(creg); /* FIXME */
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}
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else if (!strcmp(reg, "msr") || !strcmp(reg, "ps")) {
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description.type = reg_msr;
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description.index = 0;
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description.size = sizeof(msreg);
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}
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else if (!strcmp(reg, "fpscr")) {
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description.type = reg_fpscr;
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description.index = 0;
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description.size = sizeof(fpscreg);
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}
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else if (!strncmp(reg, "sr", 2) && are_digits(reg + 2)) {
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description.type = reg_sr;
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description.index = atoi(reg+2);
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description.size = sizeof(sreg);
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}
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else if (!strcmp(reg, "cnt")) {
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description.type = reg_spr;
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description.index = spr_ctr;
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description.size = sizeof(spreg);
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}
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else if (!strcmp(reg, "insns")) {
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description.type = reg_insns;
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description.index = spr_ctr;
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description.size = sizeof(unsigned_word);
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}
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else if (!strcmp(reg, "stalls")) {
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description.type = reg_stalls;
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description.index = spr_ctr;
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description.size = sizeof(unsigned_word);
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}
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else if (!strcmp(reg, "cycles")) {
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description.type = reg_cycles;
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description.index = spr_ctr;
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description.size = sizeof(unsigned_word);
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}
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else {
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sprs spr = find_spr(reg);
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if (spr != nr_of_sprs) {
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description.type = reg_spr;
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description.index = spr;
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description.size = sizeof(spreg);
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}
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else {
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description.type = reg_invalid;
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description.index = 0;
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description.size = 0;
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}
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}
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return description;
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}
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#endif /* _REGISTERS_C_ */
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