From 237e894805dd757cc24029af1b4b1e824c51712b Mon Sep 17 00:00:00 2001 From: drath Date: Tue, 29 May 2007 11:23:42 +0000 Subject: - split fileio handling into fileio part and image handling - reworked etm/etb into a generic etm part with trace capture drivers (currently only etb supported) - added XScale debug handler binary to repository - added Thumb disassembling (thanks to Vincent Palatin for this patch) - added support for non-CFI compatible flashes to cfi driver (currently only SST39VFxxx devices supported) This checkin is experimental, not suitable for general use git-svn-id: svn://svn.berlios.de/openocd/trunk@155 b42882b7-edfa-0310-969c-e2dbd0fdcd60 --- src/target/etm.h | 131 +++++++++++++++++++++++++++++++++++++++++++++++++++++-- 1 file changed, 127 insertions(+), 4 deletions(-) (limited to 'src/target/etm.h') diff --git a/src/target/etm.h b/src/target/etm.h index 4b24e5c8..59591788 100644 --- a/src/target/etm.h +++ b/src/target/etm.h @@ -1,7 +1,10 @@ /*************************************************************************** - * Copyright (C) 2005 by Dominic Rath * + * Copyright (C) 2005, 2007 by Dominic Rath * * Dominic.Rath@gmx.de * * * + * Copyright (C) 2007 by Vincent Palatin * + * vincent.palatin_openocd@m4x.org * + * * * 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 * @@ -20,11 +23,14 @@ #ifndef ETM_H #define ETM_H +#include "trace.h" #include "target.h" #include "register.h" #include "arm_jtag.h" -// ETM registers (V1.2 protocol) +#include "armv4_5.h" + +/* ETM registers (V1.3 protocol) */ enum { ETM_CTRL = 0x00, @@ -58,14 +64,123 @@ enum ETM_CONTEXTID_COMPARATOR_MASK = 0x6f, }; - typedef struct etm_reg_s { int addr; arm_jtag_t *jtag_info; } etm_reg_t; -extern reg_cache_t* etm_build_reg_cache(target_t *target, arm_jtag_t *jtag_info, int extra_reg); +typedef enum +{ + /* Port width */ + ETM_PORT_4BIT = 0x00, + ETM_PORT_8BIT = 0x10, + ETM_PORT_16BIT = 0x20, + ETM_PORT_WIDTH_MASK = 0x70, + /* Port modes */ + ETM_PORT_NORMAL = 0x00000, + ETM_PORT_MUXED = 0x10000, + ETM_PORT_DEMUXED = 0x20000, + ETM_PORT_MODE_MASK = 0x30000, + /* Clocking modes */ + ETM_PORT_FULL_CLOCK = 0x0000, + ETM_PORT_HALF_CLOCK = 0x1000, + ETM_PORT_CLOCK_MASK = 0x1000, +} etm_portmode_t; + +typedef enum +{ + /* Data trace */ + ETMV1_TRACE_NONE = 0x00, + ETMV1_TRACE_DATA = 0x01, + ETMV1_TRACE_ADDR = 0x02, + ETMV1_TRACE_MASK = 0x03, + /* ContextID */ + ETMV1_CONTEXTID_NONE = 0x00, + ETMV1_CONTEXTID_8 = 0x10, + ETMV1_CONTEXTID_16 = 0x20, + ETMV1_CONTEXTID_32 = 0x30, + ETMV1_CONTEXTID_MASK = 0x30, + /* Misc */ + ETMV1_CYCLE_ACCURATE = 0x100 +} etmv1_tracemode_t; + +/* forward-declare ETM context */ +struct etm_context_s; + +typedef struct etm_capture_driver_s +{ + char *name; + int (*register_commands)(struct command_context_s *cmd_ctx); + int (*init)(struct etm_context_s *etm_ctx); + trace_status_t (*status)(struct etm_context_s *etm_ctx); + int (*read_trace)(struct etm_context_s *etm_ctx); + int (*start_capture)(struct etm_context_s *etm_ctx); + int (*stop_capture)(struct etm_context_s *etm_ctx); +} etm_capture_driver_t; + +typedef struct etmv1_trace_data_s +{ + u8 pipestat; /* pipeline cycle this packet belongs to */ + u16 packet; /* packet data (4, 8 or 16 bit) */ + int tracesync; /* 1 if tracesync was set on this packet */ +} etmv1_trace_data_t; + +/* describe a trace context + * if support for ETMv2 or ETMv3 is to be implemented, + * this will have to be split into version independent elements + * and a version specific part + */ +typedef struct etm_context_s +{ + reg_cache_t *reg_cache; /* ETM register cache */ + etm_capture_driver_t *capture_driver; /* driver used to access ETM data */ + void *capture_driver_priv; /* capture driver private data */ + trace_status_t capture_status; /* current state of capture run */ + etmv1_trace_data_t *trace_data; /* trace data */ + u32 trace_depth; /* number of trace cycles to be analyzed, 0 if no trace data available */ + etm_portmode_t portmode; /* normal, multiplexed or demultiplexed */ + etmv1_tracemode_t tracemode; /* type of information the trace contains (data, addres, contextID, ...) */ + armv4_5_state_t core_state; /* current core state (ARM, Thumb, Jazelle) */ +// trace_image_provider_t image_provider; /* source for target opcodes */ + u32 pipe_index; /* current trace cycle */ + u32 data_index; /* cycle holding next data packet */ + u32 current_pc; /* current program counter */ + u32 pc_ok; /* full PC has been acquired */ + u32 last_branch; /* last branch address output */ + u32 last_ptr; /* address of the last data access */ + u32 context_id; /* context ID of the code being traced */ +} etm_context_t; + +/* PIPESTAT values */ +typedef enum +{ + STAT_IE = 0x0, + STAT_ID = 0x1, + STAT_IN = 0x2, + STAT_WT = 0x3, + STAT_BE = 0x4, + STAT_BD = 0x5, + STAT_TR = 0x6, + STAT_TD = 0x7 +} etmv1_pipestat_t; + +/* branch reason values */ +typedef enum +{ + BR_NORMAL = 0x0, /* Normal PC change : periodic synchro (ETMv1.1) */ + BR_ENABLE = 0x1, /* Trace has been enabled */ + BR_RESTART = 0x2, /* Trace restarted after a FIFO overflow */ + BR_NODEBUG = 0x3, /* ARM has exited for debug state */ + BR_PERIOD = 0x4, /* Peridioc synchronization point (ETM>=v1.2)*/ + BR_RSVD5 = 0x5, /* reserved */ + BR_RSVD6 = 0x6, /* reserved */ + BR_RSVD7 = 0x7, /* reserved */ +} etmv1_branch_reason_t; + +extern char *etmv1v1_branch_reason_strings[]; + +extern reg_cache_t* etm_build_reg_cache(target_t *target, arm_jtag_t *jtag_info, etm_context_t *etm_ctx); extern int etm_read_reg(reg_t *reg); extern int etm_write_reg(reg_t *reg, u32 value); extern int etm_read_reg_w_check(reg_t *reg, u8* check_value, u8* check_mask); @@ -73,4 +188,12 @@ extern int etm_store_reg(reg_t *reg); extern int etm_set_reg(reg_t *reg, u32 value); extern int etm_set_reg_w_exec(reg_t *reg, u8 *buf); +int etm_register_commands(struct command_context_s *cmd_ctx); +int etm_register_user_commands(struct command_context_s *cmd_ctx); +extern etm_context_t* etm_create_context(etm_portmode_t portmode, char *capture_driver_name); + +#define ERROR_ETM_INVALID_DRIVER (-1300) +#define ERROR_ETM_PORTMODE_NOT_SUPPORTED (-1301) +#define ERROR_ETM_CAPTURE_INIT_FAILED (-1302) + #endif /* ETM_H */ -- cgit v1.2.3