aarch64: Add ARMv8 AARCH64 support files

[openocd.git] / src / target / aarch64.h

diff --git a/src/target/aarch64.h b/src/target/aarch64.h
new file mode 100644 (file)
index 0000000..513f06d
--- /dev/null
+++ b/src/target/aarch64.h
@@ -0,0 +1,78 @@
+/***************************************************************************
+ *   Copyright (C) 2015 by David Ung                                       *
+ *                                                                         *
+ *   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.,                                       *
+ ***************************************************************************/
+
+#ifndef AARCH64_H
+#define AARCH64_H
+
+#include "armv8.h"
+
+#define AARCH64_COMMON_MAGIC 0x411fc082
+
+#define CPUDBG_CPUID   0xD00
+#define CPUDBG_CTYPR   0xD04
+#define CPUDBG_TTYPR   0xD0C
+#define ID_AA64PFR0_EL1        0xD20
+#define ID_AA64DFR0_EL1        0xD28
+#define CPUDBG_LOCKACCESS 0xFB0
+#define CPUDBG_LOCKSTATUS 0xFB4
+
+#define BRP_NORMAL 0
+#define BRP_CONTEXT 1
+
+#define AARCH64_PADDRDBG_CPU_SHIFT 13
+
+struct aarch64_brp {
+       int used;
+       int type;
+       target_addr_t value;
+       uint32_t control;
+       uint8_t BRPn;
+};
+
+struct aarch64_common {
+       int common_magic;
+
+       /* Context information */
+       uint32_t cpudbg_dscr;
+
+       uint32_t system_control_reg;
+       uint32_t system_control_reg_curr;
+
+       enum arm_mode curr_mode;
+
+
+       /* Breakpoint register pairs */
+       int brp_num_context;
+       int brp_num;
+       int brp_num_available;
+       struct aarch64_brp *brp_list;
+
+       /* Use aarch64_read_regs_through_mem for fast register reads */
+       int fast_reg_read;
+
+       struct armv8_common armv8_common;
+
+};
+
+static inline struct aarch64_common *
+target_to_aarch64(struct target *target)
+{
+       return container_of(target->arch_info, struct aarch64_common, armv8_common.arm);
+}
+
+#endif /* AARCH64_H */