147 lines
4.6 KiB
C
147 lines
4.6 KiB
C
/***************************************************************************
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* Copyright (C) 2005 by Dominic Rath *
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* Dominic.Rath@gmx.de *
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* *
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* Copyright (C) 2006 by Magnus Lundin *
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* lundin@mlu.mine.nu *
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* *
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* Copyright (C) 2008 by Spencer Oliver *
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* spen@spen-soft.co.uk *
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* *
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* Copyright (C) 2009 by Dirk Behme *
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* dirk.behme@gmail.com - copy from cortex_m3 *
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* *
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* This program is free software; you can redistribute it and/or modify *
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* it under the terms of the GNU General Public License as published by *
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* the Free Software Foundation; either version 2 of the License, or *
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* (at your option) any later version. *
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* *
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* This program is distributed in the hope that it will be useful, *
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* but WITHOUT ANY WARRANTY; without even the implied warranty of *
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
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* GNU General Public License for more details. *
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* *
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* You should have received a copy of the GNU General Public License *
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* along with this program; if not, write to the *
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* Free Software Foundation, Inc., *
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* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
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***************************************************************************/
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#ifndef CORTEX_A8_H
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#define CORTEX_A8_H
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#include "armv7a.h"
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extern char* cortex_a8_state_strings[];
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#define CORTEX_A8_COMMON_MAGIC 0x411fc082
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#define CPUID 0x54011D00
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/* Debug Control Block */
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#define CPUDBG_DIDR 0x000
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#define CPUDBG_WFAR 0x018
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#define CPUDBG_VCR 0x01C
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#define CPUDBG_ECR 0x024
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#define CPUDBG_DSCCR 0x028
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#define CPUDBG_DTRRX 0x080
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#define CPUDBG_ITR 0x084
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#define CPUDBG_DSCR 0x088
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#define CPUDBG_DTRTX 0x08c
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#define CPUDBG_DRCR 0x090
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#define CPUDBG_BVR_BASE 0x100
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#define CPUDBG_BCR_BASE 0x140
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#define CPUDBG_WVR_BASE 0x180
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#define CPUDBG_WCR_BASE 0x1C0
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#define CPUDBG_OSLAR 0x300
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#define CPUDBG_OSLSR 0x304
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#define CPUDBG_OSSRR 0x308
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#define CPUDBG_PRCR 0x310
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#define CPUDBG_PRSR 0x314
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#define CPUDBG_CPUID 0xD00
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#define CPUDBG_CTYPR 0xD04
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#define CPUDBG_TTYPR 0xD0C
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#define CPUDBG_LOCKACCESS 0xFB0
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#define CPUDBG_LOCKSTATUS 0xFB4
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#define CPUDBG_AUTHSTATUS 0xFB8
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#define BRP_NORMAL 0
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#define BRP_CONTEXT 1
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/* DSCR Bit offset */
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#define DSCR_CORE_HALTED 0
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#define DSCR_CORE_RESTARTED 1
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#define DSCR_EXT_INT_EN 13
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#define DSCR_HALT_DBG_MODE 14
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#define DSCR_MON_DBG_MODE 15
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#define DSCR_INSTR_COMP 24
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#define DSCR_DTR_TX_FULL 29
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#define DSCR_DTR_RX_FULL 30
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struct cortex_a8_brp
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{
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int used;
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int type;
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uint32_t value;
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uint32_t control;
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uint8_t BRPn;
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};
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struct cortex_a8_wrp
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{
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int used;
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int type;
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uint32_t value;
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uint32_t control;
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uint8_t WRPn;
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};
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struct cortex_a8_common
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{
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int common_magic;
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struct arm_jtag jtag_info;
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/* Context information */
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uint32_t cpudbg_dscr;
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uint32_t nvic_dfsr; /* Debug Fault Status Register - shows reason for debug halt */
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uint32_t nvic_icsr; /* Interrupt Control State Register - shows active and pending IRQ */
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/* Saved cp15 registers */
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uint32_t cp15_control_reg;
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uint32_t cp15_aux_control_reg;
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/* Breakpoint register pairs */
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int brp_num_context;
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int brp_num;
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int brp_num_available;
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// int brp_enabled;
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struct cortex_a8_brp *brp_list;
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/* Watchpoint register pairs */
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int wrp_num;
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int wrp_num_available;
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struct cortex_a8_wrp *wrp_list;
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/* Interrupts */
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int intlinesnum;
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uint32_t *intsetenable;
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/* Use cortex_a8_read_regs_through_mem for fast register reads */
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int fast_reg_read;
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struct armv7a_common armv7a_common;
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};
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static inline struct cortex_a8_common *
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target_to_cortex_a8(struct target *target)
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{
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return container_of(target->arch_info, struct cortex_a8_common,
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armv7a_common.armv4_5_common);
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}
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int cortex_a8_init_arch_info(struct target *target,
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struct cortex_a8_common *cortex_a8, struct jtag_tap *tap);
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#endif /* CORTEX_A8_H */
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