Dirk Behme <dirk.behme@googlemail.com> Add minimalist Cortex A8 file

git-svn-id: svn://svn.berlios.de/openocd/trunk@1602 b42882b7-edfa-0310-969c-e2dbd0fdcd60

1 files changed, 99 insertions, 0 deletions

diff --git a/src/target/cortex_a8.h b/src/target/cortex_a8.h
new file mode 100644
index 00000000..9ef1e146
--- /dev/null
+++ b/src/target/cortex_a8.h
@@ -0,0 +1,99 @@
+/***************************************************************************
+ *   Copyright (C) 2005 by Dominic Rath                                    *
+ *   Dominic.Rath@gmx.de                                                   *
+ *                                                                         *
+ *   Copyright (C) 2006 by Magnus Lundin                                   *
+ *   lundin@mlu.mine.nu                                                    *
+ *                                                                         *
+ *   Copyright (C) 2008 by Spencer Oliver                                  *
+ *   spen@spen-soft.co.uk                                                  *
+ *                                                                         *
+ *   Copyright (C) 2009 by Dirk Behme                                      *
+ *   dirk.behme@gmail.com - copy from cortex_m3                            *
+ *                                                                         *
+ *   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 CORTEX_A8_H
+#define CORTEX_A8_H
+
+#include "register.h"
+#include "target.h"
+#include "armv7m.h"
+
+extern char* cortex_a8_state_strings[];
+
+#define CORTEX_A8_COMMON_MAGIC 0x411fc082
+
+#define CPUID		0x54011D00
+/* Debug Control Block */
+#define DCB_DHCSR	0x54011DF0
+#define DCB_DCRSR	0x54011DF4
+#define DCB_DCRDR	0x54011DF8
+#define DCB_DEMCR	0x54011DFC
+
+typedef struct  cortex_a8_fp_comparator_s
+{
+	int used;
+	int type;
+	u32 fpcr_value;
+	u32 fpcr_address;
+} cortex_a8_fp_comparator_t;
+
+typedef struct  cortex_a8_dwt_comparator_s
+{
+	int used;
+	u32 comp;
+	u32 mask;
+	u32 function;
+	u32 dwt_comparator_address;
+} cortex_a8_dwt_comparator_t;
+
+typedef struct cortex_a8_common_s
+{
+	int common_magic;
+	arm_jtag_t jtag_info;
+
+	/* Context information */
+	u32 dcb_dhcsr;
+	u32 nvic_dfsr;  /* Debug Fault Status Register - shows reason for debug halt */
+	u32 nvic_icsr;  /* Interrupt Control State Register - shows active and pending IRQ */
+
+	/* Flash Patch and Breakpoint (FPB) */
+	int fp_num_lit;
+	int fp_num_code;
+	int fp_code_available;
+	int fpb_enabled;
+	int auto_bp_type;
+	cortex_a8_fp_comparator_t *fp_comparator_list;
+
+	/* Data Watchpoint and Trace (DWT) */
+	int dwt_num_comp;
+	int dwt_comp_available;
+	cortex_a8_dwt_comparator_t *dwt_comparator_list;
+
+	/* Interrupts */
+	int intlinesnum;
+	u32 *intsetenable;
+
+	armv7m_common_t armv7m;
+	void *arch_info;
+} cortex_a8_common_t;
+
+extern int cortex_a8_init_arch_info(target_t *target, cortex_a8_common_t *cortex_a8, jtag_tap_t *tap);
+int cortex_a8_read_memory(struct target_s *target, u32 address, u32 size, u32 count, u8 *buffer);
+int cortex_a8_write_memory(struct target_s *target, u32 address, u32 size, u32 count, u8 *buffer);
+
+#endif /* CORTEX_A8_H */