-/***************************************************************************\r
- * Copyright (C) 2005 by Dominic Rath *\r
- * Dominic.Rath@gmx.de *\r
- * *\r
- * This program is free software; you can redistribute it and/or modify *\r
- * it under the terms of the GNU General Public License as published by *\r
- * the Free Software Foundation; either version 2 of the License, or *\r
- * (at your option) any later version. *\r
- * *\r
- * This program is distributed in the hope that it will be useful, *\r
- * but WITHOUT ANY WARRANTY; without even the implied warranty of *\r
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *\r
- * GNU General Public License for more details. *\r
- * *\r
- * You should have received a copy of the GNU General Public License *\r
- * along with this program; if not, write to the *\r
- * Free Software Foundation, Inc., *\r
- * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *\r
- ***************************************************************************/\r
-#ifndef ETM_H\r
-#define ETM_H\r
-\r
-#include "target.h"\r
-#include "register.h"\r
-#include "arm_jtag.h"\r
-\r
-// ETM registers (V1.2 protocol)\r
-enum\r
-{\r
- ETM_CTRL = 0x00,\r
- ETM_CONFIG = 0x01,\r
- ETM_TRIG_EVENT = 0x02,\r
- ETM_MMD_CTRL = 0x03,\r
- ETM_STATUS = 0x04,\r
- ETM_SYS_CONFIG = 0x05,\r
- ETM_TRACE_RESOURCE_CTRL = 0x06,\r
- ETM_TRACE_EN_CTRL2 = 0x07,\r
- ETM_TRACE_EN_EVENT = 0x08,\r
- ETM_TRACE_EN_CTRL1 = 0x09,\r
- ETM_FIFOFULL_REGION = 0x0a,\r
- ETM_FIFOFULL_LEVEL = 0x0b,\r
- ETM_VIEWDATA_EVENT = 0x0c,\r
- ETM_VIEWDATA_CTRL1 = 0x0d,\r
- ETM_VIEWDATA_CTRL2 = 0x0e,\r
- ETM_VIEWDATA_CTRL3 = 0x0f,\r
- ETM_ADDR_COMPARATOR_VALUE = 0x10,\r
- ETM_ADDR_ACCESS_TYPE = 0x20,\r
- ETM_DATA_COMPARATOR_VALUE = 0x30,\r
- ETM_DATA_COMPARATOR_MASK = 0x40,\r
- ETM_COUNTER_INITAL_VALUE = 0x50,\r
- ETM_COUNTER_ENABLE = 0x54,\r
- ETM_COUNTER_RELOAD_VALUE = 0x58,\r
- ETM_COUNTER_VALUE = 0x5c,\r
- ETM_SEQUENCER_CTRL = 0x60,\r
- ETM_SEQUENCER_STATE = 0x67,\r
- ETM_EXTERNAL_OUTPUT = 0x68,\r
- ETM_CONTEXTID_COMPARATOR_VALUE = 0x6c,\r
- ETM_CONTEXTID_COMPARATOR_MASK = 0x6f, \r
-};\r
-\r
-\r
-typedef struct etm_reg_s\r
-{\r
- int addr;\r
- arm_jtag_t *jtag_info;\r
-} etm_reg_t;\r
-\r
-extern reg_cache_t* etm_build_reg_cache(target_t *target, arm_jtag_t *jtag_info, int extra_reg);\r
-extern int etm_read_reg(reg_t *reg);\r
-extern int etm_write_reg(reg_t *reg, u32 value);\r
-extern int etm_read_reg_w_check(reg_t *reg, u8* check_value, u8* check_mask);\r
-extern int etm_store_reg(reg_t *reg);\r
-extern int etm_set_reg(reg_t *reg, u32 value);\r
-extern int etm_set_reg_w_exec(reg_t *reg, u8 *buf);\r
-\r
-#endif /* ETM_H */\r
+/***************************************************************************
+ * 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 *
+ * (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 ETM_H
+#define ETM_H
+
+#include "trace.h"
+#include "arm_jtag.h"
+#include "armv4_5.h"
+
+struct image_s;
+
+/* ETM registers (JTAG protocol) */
+enum
+{
+ ETM_CTRL = 0x00,
+ ETM_CONFIG = 0x01,
+ ETM_TRIG_EVENT = 0x02,
+ 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, /* 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,
+ /* N quads of COUNTER_{RELOAD_{VALUE,EVENT},ENABLE,VALUE} registers */
+ ETM_COUNTER_RELOAD_VALUE = 0x50,
+ ETM_COUNTER_ENABLE = 0x54,
+ ETM_COUNTER_RELOAD_EVENT = 0x58,
+ ETM_COUNTER_VALUE = 0x5c,
+ /* 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,
+};
+
+typedef struct etm_reg_s
+{
+ uint32_t value;
+ const struct etm_reg_info *reg_info;
+ arm_jtag_t *jtag_info;
+} etm_reg_t;
+
+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_BRANCH_OUTPUT = 0x200
+} 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;
+
+enum
+{
+ ETMV1_TRACESYNC_CYCLE = 0x1,
+ ETMV1_TRIGGER_CYCLE = 0x2,
+};
+
+typedef struct etmv1_trace_data_s
+{
+ 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;
+
+/* 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
+{
+ 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 */
+ 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 */
+ 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 */
+ 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 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 */
+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 reg_cache_t* etm_build_reg_cache(target_t *target, arm_jtag_t *jtag_info, etm_context_t *etm_ctx);
+extern int etm_setup(target_t *target);
+
+int etm_register_commands(struct command_context_s *cmd_ctx);
+
+#define ERROR_ETM_INVALID_DRIVER (-1300)
+#define ERROR_ETM_PORTMODE_NOT_SUPPORTED (-1301)
+#define ERROR_ETM_CAPTURE_INIT_FAILED (-1302)
+#define ERROR_ETM_ANALYSIS_FAILED (-1303)
+
+#endif /* ETM_H */
Code Review / openocd.git / blobdiff