X-Git-Url: https://review.openocd.org/gitweb?p=openocd.git;a=blobdiff_plain;f=src%2Ftarget%2Fetm.h;h=ead45855e95805001943757d6c12314e95971644;hp=26e0d764dc6d44a9c088ace1fb9fd218f4fc08e6;hb=d47764ff7176b6e3d97b49e82d4db7fe17c8e552;hpb=d7f71e7fe9645fa8c3f88cf6fc9ad438aa6708f3 diff --git a/src/target/etm.h b/src/target/etm.h index 26e0d764dc..ead45855e9 100644 --- a/src/target/etm.h +++ b/src/target/etm.h @@ -23,51 +23,58 @@ #ifndef ETM_H #define ETM_H -#include "image.h" #include "trace.h" -#include "target.h" -#include "register.h" #include "arm_jtag.h" -#include "armv4_5.h" +struct image_s; -/* ETM registers (V1.3 protocol) */ +/* ETM registers (JTAG protocol) */ enum { ETM_CTRL = 0x00, ETM_CONFIG = 0x01, ETM_TRIG_EVENT = 0x02, - ETM_MMD_CTRL = 0x03, + ETM_ASIC_CTRL = 0x03, ETM_STATUS = 0x04, ETM_SYS_CONFIG = 0x05, ETM_TRACE_RESOURCE_CTRL = 0x06, ETM_TRACE_EN_CTRL2 = 0x07, ETM_TRACE_EN_EVENT = 0x08, ETM_TRACE_EN_CTRL1 = 0x09, + /* optional FIFOFULL */ ETM_FIFOFULL_REGION = 0x0a, ETM_FIFOFULL_LEVEL = 0x0b, + /* viewdata support */ ETM_VIEWDATA_EVENT = 0x0c, ETM_VIEWDATA_CTRL1 = 0x0d, - ETM_VIEWDATA_CTRL2 = 0x0e, + ETM_VIEWDATA_CTRL2 = 0x0e, /* optional */ ETM_VIEWDATA_CTRL3 = 0x0f, + /* N pairs of ADDR_{COMPARATOR,ACCESS} registers */ ETM_ADDR_COMPARATOR_VALUE = 0x10, ETM_ADDR_ACCESS_TYPE = 0x20, + /* N pairs of DATA_COMPARATOR_{VALUE,MASK} registers */ ETM_DATA_COMPARATOR_VALUE = 0x30, ETM_DATA_COMPARATOR_MASK = 0x40, - ETM_COUNTER_INITAL_VALUE = 0x50, + /* N quads of COUNTER_{RELOAD_{VALUE,EVENT},ENABLE,VALUE} registers */ + ETM_COUNTER_RELOAD_VALUE = 0x50, ETM_COUNTER_ENABLE = 0x54, - ETM_COUNTER_RELOAD_VALUE = 0x58, + ETM_COUNTER_RELOAD_EVENT = 0x58, ETM_COUNTER_VALUE = 0x5c, - ETM_SEQUENCER_CTRL = 0x60, + /* 6 sequencer event transitions */ + ETM_SEQUENCER_EVENT = 0x60, ETM_SEQUENCER_STATE = 0x67, + /* N triggered outputs */ ETM_EXTERNAL_OUTPUT = 0x68, + /* N task contexts */ ETM_CONTEXTID_COMPARATOR_VALUE = 0x6c, ETM_CONTEXTID_COMPARATOR_MASK = 0x6f, + ETM_ID = 0x79, }; typedef struct etm_reg_s { - int addr; + uint32_t value; + const struct etm_reg_info *reg_info; arm_jtag_t *jtag_info; } etm_reg_t; @@ -77,7 +84,13 @@ typedef enum ETM_PORT_4BIT = 0x00, ETM_PORT_8BIT = 0x10, ETM_PORT_16BIT = 0x20, - ETM_PORT_WIDTH_MASK = 0x70, + ETM_PORT_24BIT = 0x30, + ETM_PORT_32BIT = 0x40, + ETM_PORT_48BIT = 0x50, + ETM_PORT_64BIT = 0x60, + ETM_PORT_1BIT = 0x00 | (1 << 21), + ETM_PORT_2BIT = 0x10 | (1 << 21), + ETM_PORT_WIDTH_MASK = 0x70 | (1 << 21), /* Port modes */ ETM_PORT_NORMAL = 0x00000, ETM_PORT_MUXED = 0x10000, @@ -108,17 +121,17 @@ typedef enum } etmv1_tracemode_t; /* forward-declare ETM context */ -struct etm_context_s; +struct etm; 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); + int (*init)(struct etm *etm_ctx); + trace_status_t (*status)(struct etm *etm_ctx); + int (*read_trace)(struct etm *etm_ctx); + int (*start_capture)(struct etm *etm_ctx); + int (*stop_capture)(struct etm *etm_ctx); } etm_capture_driver_t; enum @@ -129,8 +142,8 @@ enum typedef struct etmv1_trace_data_s { - u8 pipestat; /* bits 0-2 pipeline status */ - u16 packet; /* packet data (4, 8 or 16 bit) */ + uint8_t pipestat; /* bits 0-2 pipeline status */ + uint16_t packet; /* packet data (4, 8 or 16 bit) */ int flags; /* ETMV1_TRACESYNC_CYCLE, ETMV1_TRIGGER_CYCLE */ } etmv1_trace_data_t; @@ -139,31 +152,33 @@ typedef struct etmv1_trace_data_s * this will have to be split into version independent elements * and a version specific part */ -typedef struct etm_context_s +typedef struct etm { - target_t *target; /* target this ETM is connected to */ - reg_cache_t *reg_cache; /* ETM register cache */ + target_t *target; /* target this ETM is connected to */ + 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 */ - u32 trigger_percent; /* percent of trace buffer to be filled after the trigger */ + void *capture_driver_priv; /* capture driver private data */ + uint32_t trigger_percent; /* how much trace buffer to fill after trigger */ 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) */ - image_t *image; /* source for target opcodes */ - u32 pipe_index; /* current trace cycle */ - u32 data_index; /* cycle holding next data packet */ - int data_half; /* port half on a 16 bit port */ - u32 current_pc; /* current program counter */ - u32 pc_ok; /* full PC has been acquired */ - u32 last_branch; /* last branch address output */ - u32 last_branch_reason; /* branch reason code for the last branch encountered */ - u32 last_ptr; /* address of the last data access */ - u32 ptr_ok; /* whether last_ptr is valid */ - u32 context_id; /* context ID of the code being traced */ - u32 last_instruction; /* index of last instruction executed (to calculate cycle timings) */ + uint32_t trace_depth; /* number of cycles to be analyzed, 0 if no data available */ + etm_portmode_t portmode; /* normal, multiplexed or demultiplexed */ + etmv1_tracemode_t tracemode; /* type of info trace contains */ + int /*armv4_5_state_t*/ core_state; /* current core state */ + struct image_s *image; /* source for target opcodes */ + uint32_t pipe_index; /* current trace cycle */ + uint32_t data_index; /* cycle holding next data packet */ + bool data_half; /* port half on a 16 bit port */ + bool pc_ok; /* full PC has been acquired */ + bool ptr_ok; /* whether last_ptr is valid */ + uint8_t bcd_vers; /* e.g. 0x13 == ETMv1.3 */ + uint32_t config; /* cache of ETM_CONFIG value */ + uint32_t id; /* cache of ETM_ID value, or 0 */ + uint32_t current_pc; /* current program counter */ + uint32_t last_branch; /* last branch address output */ + uint32_t last_branch_reason; /* type of last branch encountered */ + uint32_t last_ptr; /* address of the last data access */ + uint32_t last_instruction; /* index of last executed (to calc timings) */ } etm_context_t; /* PIPESTAT values */ @@ -186,26 +201,18 @@ typedef enum 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_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[]; +reg_cache_t* etm_build_reg_cache(target_t *target, + arm_jtag_t *jtag_info, etm_context_t *etm_ctx); -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); -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); -extern int etm_setup(target_t *target); +int etm_setup(target_t *target); 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)