1 /*
2  * \file       trc_pkt_types_etmv3.h
3  * \brief      OpenCSD :
4  *
5  * \copyright  Copyright (c) 2015, ARM Limited. All Rights Reserved.
6  */
7 
8 /*
9  * Redistribution and use in source and binary forms, with or without modification,
10  * are permitted provided that the following conditions are met:
11  *
12  * 1. Redistributions of source code must retain the above copyright notice,
13  * this list of conditions and the following disclaimer.
14  *
15  * 2. Redistributions in binary form must reproduce the above copyright notice,
16  * this list of conditions and the following disclaimer in the documentation
17  * and/or other materials provided with the distribution.
18  *
19  * 3. Neither the name of the copyright holder nor the names of its contributors
20  * may be used to endorse or promote products derived from this software without
21  * specific prior written permission.
22  *
23  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 'AS IS' AND
24  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
25  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
26  * IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
27  * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
28  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
29  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
30  * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
31  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
32  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
33  */
34 
35 #ifndef ARM_TRC_ETM3_PKT_TYPES_ETMV3_H_INCLUDED
36 #define ARM_TRC_ETM3_PKT_TYPES_ETMV3_H_INCLUDED
37 
38 #include "opencsd/trc_pkt_types.h"
39 
40 /** @addtogroup trc_pkts
41 @{*/
42 
43 /** @name ETMv3 Packet Types
44 @{*/
45 
46 typedef enum _ocsd_etmv3_pkt_type
47 {
48 
49 // markers for unknown packets
50         ETM3_PKT_NOERROR,        //!< no error in packet - supplimentary data.
51 		ETM3_PKT_NOTSYNC,        //!< no sync found yet
52         ETM3_PKT_INCOMPLETE_EOT, //!< flushing incomplete/empty packet at end of trace.
53 
54 // markers for valid packets
55 		ETM3_PKT_BRANCH_ADDRESS,
56 		ETM3_PKT_A_SYNC,
57 		ETM3_PKT_CYCLE_COUNT,
58 		ETM3_PKT_I_SYNC,
59 		ETM3_PKT_I_SYNC_CYCLE,
60         ETM3_PKT_TRIGGER,
61         ETM3_PKT_P_HDR,
62 		ETM3_PKT_STORE_FAIL,
63 		ETM3_PKT_OOO_DATA,
64 		ETM3_PKT_OOO_ADDR_PLC,
65 		ETM3_PKT_NORM_DATA,
66 		ETM3_PKT_DATA_SUPPRESSED,
67 		ETM3_PKT_VAL_NOT_TRACED,
68 		ETM3_PKT_IGNORE,
69 		ETM3_PKT_CONTEXT_ID,
70         ETM3_PKT_VMID,
71 		ETM3_PKT_EXCEPTION_ENTRY,
72 		ETM3_PKT_EXCEPTION_EXIT,
73 		ETM3_PKT_TIMESTAMP,
74 
75 // internal processing types
76 		ETM3_PKT_BRANCH_OR_BYPASS_EOT,
77 
78 // packet errors
79 		ETM3_PKT_BAD_SEQUENCE,   //!< invalid sequence for packet type
80         ETM3_PKT_BAD_TRACEMODE,  //!< invalid packet type for this trace mode.
81 		ETM3_PKT_RESERVED       //!< packet type reserved.
82 
83 } ocsd_etmv3_pkt_type;
84 
85 typedef struct _ocsd_etmv3_excep {
86     ocsd_armv7_exception type; /**<  exception type. */
87     uint16_t number;    /**< exception as number */
88     struct {
89         uint32_t present:1;      /**< exception present in packet */
90         uint32_t cancel:1;       /**< exception cancels prev instruction traced. */
91         uint32_t cm_type:1;
92         uint32_t cm_resume:4;    /**< M class resume code */
93         uint32_t cm_irq_n:9;     /**< M class IRQ n */
94     } bits;
95 } ocsd_etmv3_excep;
96 
97 typedef struct _etmv3_context_t {
98     struct {
99         uint32_t curr_alt_isa:1;     /**< current Alt ISA flag for Tee / T32 (used if not in present packet) */
100         uint32_t curr_NS:1;          /**< current NS flag  (used if not in present packet) */
101         uint32_t curr_Hyp:1;         /**< current Hyp flag  (used if not in present packet) */
102         uint32_t updated:1;          /**< context updated */
103         uint32_t updated_c:1;        /**< updated CtxtID */
104         uint32_t updated_v:1;        /**< updated VMID */
105     };
106     uint32_t ctxtID;    /**< Context ID */
107     uint8_t VMID;       /**< VMID */
108 } etmv3_context_t;
109 
110 
111 typedef struct _etmv3_data_t {
112 
113     uint32_t value;        /**< Data value */
114     ocsd_pkt_vaddr addr;  /**< current data address */
115 
116     struct {
117     uint32_t  ooo_tag:2;        /**< Out of order data tag. */
118     uint32_t  be:1;             /**< data transfers big-endian */
119     uint32_t  update_be:1;      /**< updated Be flag */
120     uint32_t  update_addr:1;    /**< updated address */
121     uint32_t  update_dval:1;    /**< updated data value */
122     };
123 } etmv3_data_t;
124 
125 typedef struct _etmv3_isync_t {
126     ocsd_iSync_reason reason;
127     struct {
128         uint32_t has_cycle_count:1; /**< updated cycle count */
129         uint32_t has_LSipAddress:1; /**< main address is load-store instuction, data address is overlapping instruction @ start of trace */
130         uint32_t no_address:1;      /**< data only ISync */
131     };
132 } etmv3_isync_t;
133 
134 typedef struct _ocsd_etmv3_pkt
135 {
136     ocsd_etmv3_pkt_type type;  /**< Primary packet type. */
137 
138     ocsd_isa curr_isa;         /**< current ISA */
139     ocsd_isa prev_isa;         /**< ISA in previous packet */
140 
141     etmv3_context_t context;   /**< current context */
142     ocsd_pkt_vaddr addr;       /**< current Addr */
143 
144     etmv3_isync_t isync_info;
145 
146     ocsd_etmv3_excep exception;
147 
148     ocsd_pkt_atom atom;         /**< atom elements - non zerom number indicates valid atom count */
149     uint8_t p_hdr_fmt;          /**< if atom elements, associated phdr format */
150     uint32_t cycle_count;       /**< cycle count associated with this packet (ETMv3 has counts in atom packets and as individual packets */
151 
152     uint64_t timestamp;         /**< current timestamp value */
153     uint8_t ts_update_bits;     /**< bits of ts updated this packet (if TS packet) */
154 
155     etmv3_data_t data;          /**< data transfer values */
156 
157     ocsd_etmv3_pkt_type err_type;  /**< Basic packet type if primary type indicates error or incomplete. (header type) */
158 
159 } ocsd_etmv3_pkt;
160 
161 typedef struct _ocsd_etmv3_cfg
162 {
163     uint32_t               reg_idr;    /**< ID register */
164     uint32_t               reg_ctrl;   /**< Control Register */
165     uint32_t               reg_ccer;   /**< CCER register */
166     uint32_t               reg_trc_id; /**< Trace Stream ID register */
167     ocsd_arch_version_t    arch_ver;   /**< Architecture version */
168     ocsd_core_profile_t    core_prof;  /**< Core Profile */
169 } ocsd_etmv3_cfg;
170 
171 
172 #define DATA_ADDR_EXPECTED_FLAG 0x20 /**< Bit set for data trace headers if data address packets follow */
173 
174 /** @}*/
175 /** @}*/
176 #endif // ARM_TRC_ETM3_PKT_TYPES_ETMV3_H_INCLUDED
177 
178 /* End of File trc_pkt_types_etmv3.h */
179