- prepare OpenOCD for branching, created ./trunk/

git-svn-id: svn://svn.berlios.de/openocd/trunk@64 b42882b7-edfa-0310-969c-e2dbd0fdcd60

src/target/register.c

@@ -0,0 +1,100 @@
+/***************************************************************************
+ *   Copyright (C) 2005 by Dominic Rath                                    *
+ *   Dominic.Rath@gmx.de                                                   *
+ *                                                                         *
+ *   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.             *
+ ***************************************************************************/
+#include "register.h"
+
+#include "log.h"
+#include "command.h"
+
+#include <string.h>
+#include <stdlib.h>
+
+reg_arch_type_t *reg_arch_types = NULL;
+
+reg_t* register_get_by_name(reg_cache_t *first, char *name, int search_all)
+{
+	int i;
+	reg_cache_t *cache = first;
+	
+	while (cache)
+	{
+		for (i = 0; i < cache->num_regs; i++)
+		{
+			if (strcmp(cache->reg_list[i].name, name) == 0)
+				return &(cache->reg_list[i]);
+		}
+		
+		if (search_all)
+			cache = cache->next;
+		else
+			break;
+	}
+	
+	return NULL;
+}
+
+reg_cache_t** register_get_last_cache_p(reg_cache_t **first)
+{
+	reg_cache_t **cache_p = first;
+	
+	if (*cache_p)
+		while (*cache_p)
+			cache_p = &((*cache_p)->next);
+	else
+		return first;
+	
+	return cache_p;
+}
+
+int register_reg_arch_type(int (*get)(reg_t *reg), int (*set)(reg_t *reg, u32 value))
+{
+	reg_arch_type_t** arch_type_p = &reg_arch_types;
+	int id = 0;
+	
+	if (*arch_type_p)
+	{
+		while (*arch_type_p)
+		{
+			id = (*arch_type_p)->id;
+			arch_type_p = &((*arch_type_p)->next);
+		}
+	}
+	
+	(*arch_type_p) = malloc(sizeof(reg_arch_type_t));
+	(*arch_type_p)->id = id + 1;
+	(*arch_type_p)->set = set;
+	(*arch_type_p)->get = get;
+	(*arch_type_p)->next = NULL;
+			
+	return id + 1;
+}
+
+reg_arch_type_t* register_get_arch_type(int id)
+{
+	reg_arch_type_t *arch_type = reg_arch_types;
+	
+	while (arch_type)
+	{
+		if (arch_type->id == id)
+			return arch_type;
+		arch_type = arch_type->next;
+	}
+	
+	return NULL;
+}