src/target/mips32.c


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/***************************************************************************
 *   Copyright (C) 2008 by Spencer Oliver                                  *
 *   spen@spen-soft.co.uk                                                  *
 *                                                                         *
 *   Copyright (C) 2008 by David T.L. Wong                                 *
 *                                                                         *
 *   Copyright (C) 2007,2008 Øyvind Harboe                                 *
 *   oyvind.harboe@zylin.com                                               *
 *                                                                         *
 *   Copyright (C) 2011 by Drasko DRASKOVIC                                *
 *   drasko.draskovic@gmail.com                                            *
 *                                                                         *
 *   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.,                                       *
 *   51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.           *
 ***************************************************************************/

#ifdef HAVE_CONFIG_H
#include "config.h"
#endif

#include "mips32.h"
#include "breakpoints.h"
#include "algorithm.h"
#include "register.h"

static const char *mips_isa_strings[] = {
	"MIPS32", "MIPS16e"
};

#define MIPS32_GDB_DUMMY_FP_REG 1

/*
 * GDB registers
 * based on gdb-7.6.2/gdb/features/mips-{fpu,cp0,cpu}.xml
 */
static const struct {
	unsigned id;
	const char *name;
	enum reg_type type;
	const char *group;
	const char *feature;
	int flag;
} mips32_regs[] = {
	{  0,  "r0", REG_TYPE_INT, NULL, "org.gnu.gdb.mips.cpu", 0 },
	{  1,  "r1", REG_TYPE_INT, NULL, "org.gnu.gdb.mips.cpu", 0 },
	{  2,  "r2", REG_TYPE_INT, NULL, "org.gnu.gdb.mips.cpu", 0 },
	{  3,  "r3", REG_TYPE_INT, NULL, "org.gnu.gdb.mips.cpu", 0 },
	{  4,  "r4", REG_TYPE_INT, NULL, "org.gnu.gdb.mips.cpu", 0 },
	{  5,  "r5", REG_TYPE_INT, NULL, "org.gnu.gdb.mips.cpu", 0 },
	{  6,  "r6", REG_TYPE_INT, NULL, "org.gnu.gdb.mips.cpu", 0 },
	{  7,  "r7", REG_TYPE_INT, NULL, "org.gnu.gdb.mips.cpu", 0 },
	{  8,  "r8", REG_TYPE_INT, NULL, "org.gnu.gdb.mips.cpu", 0 },
	{  9,  "r9", REG_TYPE_INT, NULL, "org.gnu.gdb.mips.cpu", 0 },
	{ 10, "r10", REG_TYPE_INT, NULL, "org.gnu.gdb.mips.cpu", 0 },
	{ 11, "r11", REG_TYPE_INT, NULL, "org.gnu.gdb.mips.cpu", 0 },
	{ 12, "r12", REG_TYPE_INT, NULL, "org.gnu.gdb.mips.cpu", 0 },
	{ 13, "r13", REG_TYPE_INT, NULL, "org.gnu.gdb.mips.cpu", 0 },
	{ 14, "r14", REG_TYPE_INT, NULL, "org.gnu.gdb.mips.cpu", 0 },
	{ 15, "r15", REG_TYPE_INT, NULL, "org.gnu.gdb.mips.cpu", 0 },
	{ 16, "r16", REG_TYPE_INT, NULL, "org.gnu.gdb.mips.cpu", 0 },
	{ 17, "r17", REG_TYPE_INT, NULL, "org.gnu.gdb.mips.cpu", 0 },
	{ 18, "r18", REG_TYPE_INT, NULL, "org.gnu.gdb.mips.cpu", 0 },
	{ 19, "r19", REG_TYPE_INT, NULL, "org.gnu.gdb.mips.cpu", 0 },
	{ 20, "r20", REG_TYPE_INT, NULL, "org.gnu.gdb.mips.cpu", 0 },
	{ 21, "r21", REG_TYPE_INT, NULL, "org.gnu.gdb.mips.cpu", 0 },
	{ 22, "r22", REG_TYPE_INT, NULL, "org.gnu.gdb.mips.cpu", 0 },
	{ 23, "r23", REG_TYPE_INT, NULL, "org.gnu.gdb.mips.cpu", 0 },
	{ 24, "r24", REG_TYPE_INT, NULL, "org.gnu.gdb.mips.cpu", 0 },
	{ 25, "r25", REG_TYPE_INT, NULL, "org.gnu.gdb.mips.cpu", 0 },
	{ 26, "r26", REG_TYPE_INT, NULL, "org.gnu.gdb.mips.cpu", 0 },
	{ 27, "r27", REG_TYPE_INT, NULL, "org.gnu.gdb.mips.cpu", 0 },
	{ 28, "r28", REG_TYPE_INT, NULL, "org.gnu.gdb.mips.cpu", 0 },
	{ 29, "r29", REG_TYPE_INT, NULL, "org.gnu.gdb.mips.cpu", 0 },
	{ 30, "r30", REG_TYPE_INT, NULL, "org.gnu.gdb.mips.cpu", 0 },
	{ 31, "r31", REG_TYPE_INT, NULL, "org.gnu.gdb.mips.cpu", 0 },
	{ 32, "status", REG_TYPE_INT, NULL, "org.gnu.gdb.mips.cp0", 0 },
	{ 33, "lo", REG_TYPE_INT, NULL, "org.gnu.gdb.mips.cpu", 0 },
	{ 34, "hi", REG_TYPE_INT, NULL, "