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