| /* 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 3 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, see <http://www.gnu.org/licenses/>. |
| |
| */ |
| |
| |
| #ifndef _REGISTERS_C_ |
| #define _REGISTERS_C_ |
| |
| #include <ctype.h> |
| |
| #include "basics.h" |
| #include "registers.h" |
| |
| #include <stdlib.h> |
| #include <string.h> |
| |
| 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); |
| } |
| #ifdef WITH_ALTIVEC |
| else if (reg[0] == 'v' && reg[1] == 'r' && are_digits(reg + 2)) { |
| description.type = reg_vr; |
| description.index = atoi(reg+2); |
| description.size = sizeof(vreg); |
| } |
| else if (!strcmp(reg, "vscr")) { |
| description.type = reg_vscr; |
| description.index = 0; |
| description.size = sizeof(vscreg); |
| } |
| #endif |
| #ifdef WITH_E500 |
| else if (reg[0] == 'e' && reg[1] == 'v' && are_digits(reg + 2)) { |
| description.type = reg_evr; |
| description.index = atoi(reg+2); |
| description.size = sizeof(unsigned64); |
| } |
| else if (reg[0] == 'r' && reg[1] == 'h' && are_digits(reg + 2)) { |
| description.type = reg_gprh; |
| description.index = atoi(reg+2); |
| description.size = sizeof(gpreg); |
| } |
| else if (!strcmp(reg, "acc")) { |
| description.type = reg_acc; |
| description.index = 0; |
| description.size = sizeof(unsigned64); |
| } |
| #endif |
| 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_ */ |