1 /*
2  * \file       trc_pkt_types_etmv4.h
3  * \brief      OpenCSD :
4  *
5  * \copyright  Copyright (c) 2015, ARM Limited. All Rights Reserved.
6  */
7 
8 
9 /*
10  * Redistribution and use in source and binary forms, with or without modification,
11  * are permitted provided that the following conditions are met:
12  *
13  * 1. Redistributions of source code must retain the above copyright notice,
14  * this list of conditions and the following disclaimer.
15  *
16  * 2. Redistributions in binary form must reproduce the above copyright notice,
17  * this list of conditions and the following disclaimer in the documentation
18  * and/or other materials provided with the distribution.
19  *
20  * 3. Neither the name of the copyright holder nor the names of its contributors
21  * may be used to endorse or promote products derived from this software without
22  * specific prior written permission.
23  *
24  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 'AS IS' AND
25  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
26  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
27  * IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
28  * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
29  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
30  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
31  * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
32  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
33  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
34  */
35 
36 #ifndef ARM_TRC_PKT_TYPES_ETMV4_H_INCLUDED
37 #define ARM_TRC_PKT_TYPES_ETMV4_H_INCLUDED
38 
39 #include "opencsd/trc_pkt_types.h"
40 
41 /** @addtogroup trc_pkts
42 @{*/
43 
44 /** @name ETMv4 Packet Types
45 @{*/
46 
47 /** I stream packets. */
48 typedef enum _ocsd_etmv4_i_pkt_type
49 {
50 /* state of decode markers */
51 		ETM4_PKT_I_NOTSYNC = 0x200,             /*!< no sync found yet.  */
52         ETM4_PKT_I_INCOMPLETE_EOT,              /*!< flushing incomplete/empty packet at end of trace.*/
53         ETM4_PKT_I_NO_ERR_TYPE,                 /*!< error type not set for packet. */
54 
55 /* markers for unknown/bad packets */
56 		ETM4_PKT_I_BAD_SEQUENCE = 0x300,        /*!< invalid sequence for packet type. */
57         ETM4_PKT_I_BAD_TRACEMODE,               /*!< invalid packet type for this trace mode. */
58 		ETM4_PKT_I_RESERVED,                    /*!< packet type reserved. */
59 
60 /* I stream packet types. */
61     /* extension header. */
62         ETM4_PKT_I_EXTENSION = 0x00,            /*!< b00000000  */
63 
64     /* address amd context */
65         ETM4_PKT_I_ADDR_CTXT_L_32IS0 = 0x82,    /*!< b10000010  */
66         ETM4_PKT_I_ADDR_CTXT_L_32IS1,           /*!< b10000011  */
67         /* unused encoding                           b10000100  */
68         ETM4_PKT_I_ADDR_CTXT_L_64IS0 = 0x85,    /*!< b10000101  */
69         ETM4_PKT_I_ADDR_CTXT_L_64IS1,           /*!< b10000110  */
70         /* unused encoding                           b10000111  */
71         ETM4_PKT_I_CTXT = 0x80,                 /*!< b1000000x  */
72         ETM4_PKT_I_ADDR_MATCH = 0x90,           /*!< b10010000 to b10010010 */
73         ETM4_PKT_I_ADDR_L_32IS0 = 0x9A,         /*!< b10011010  */
74         ETM4_PKT_I_ADDR_L_32IS1,                /*!< b10011011  */
75         /* unused encoding                           b10011100  */
76         ETM4_PKT_I_ADDR_L_64IS0 = 0x9D,         /*!< b10011101  */
77         ETM4_PKT_I_ADDR_L_64IS1,                /*!< b10011110  */
78         /* unused encoding                           b10011111  */
79         ETM4_PKT_I_ADDR_S_IS0 = 0x95,           /*!< b10010101  */
80         ETM4_PKT_I_ADDR_S_IS1,                  /*!< b10010110  */
81         /* unused encoding                           b10010111
82            unused encoding                           b10011000
83            unused encoding                           b10011001 */
84 
85     /* Q packets */
86         ETM4_PKT_I_Q = 0xA0,                    /*!< b1010xxxx  */
87 
88     /* Atom packets */
89         ETM4_PKT_I_ATOM_F1 = 0xF6,              /*!< b1111011x */
90         ETM4_PKT_I_ATOM_F2 = 0xD8,              /*!< b110110xx */
91         ETM4_PKT_I_ATOM_F3 = 0xF8,              //!< b11111xxx
92         ETM4_PKT_I_ATOM_F4 = 0xDC,              //!< b110111xx
93         ETM4_PKT_I_ATOM_F5 = 0xD5,              //!< b11010101 - b11010111, b11110101
94         ETM4_PKT_I_ATOM_F6 = 0xC0,              //!< b11000000 - b11010100, b11100000 - b11110100
95 
96     /* conditional instruction tracing */
97         ETM4_PKT_I_COND_FLUSH = 0x43,           //!< b01000011
98         ETM4_PKT_I_COND_I_F1 = 0x6C,            //!< b01101100
99         ETM4_PKT_I_COND_I_F2 = 0x40,            //!< b01000000 - b01000010
100         ETM4_PKT_I_COND_I_F3 = 0x6D,            //!< b01101101
101         ETM4_PKT_I_COND_RES_F1 = 0x68,          //!< b0110111x, b011010xx
102         ETM4_PKT_I_COND_RES_F2 = 0x48,          //!< b0100100x, b01001010, b0100110x, b01001110
103         ETM4_PKT_I_COND_RES_F3 = 0x50,          //!< b0101xxxx
104         ETM4_PKT_I_COND_RES_F4 = 0x44,          //!< b0100010x, b01000110
105 
106     /* cycle count packets */
107         ETM4_PKT_I_CCNT_F1 = 0x0E,             //!< b0000111x
108         ETM4_PKT_I_CCNT_F2 = 0x0C,             //!< b0000110x
109         ETM4_PKT_I_CCNT_F3 = 0x10,             //!< b0001xxxx
110     // data synchronisation markers
111         ETM4_PKT_I_NUM_DS_MKR = 0x20,          //!< b00100xxx
112         ETM4_PKT_I_UNNUM_DS_MKR = 0x28,        //!< b00101000 - b00101100
113     // event trace
114         ETM4_PKT_I_EVENT = 0x70,               //!< b0111xxxx
115     // Exceptions
116         ETM4_PKT_I_EXCEPT = 0x06,              //!< b00000110
117         ETM4_PKT_I_EXCEPT_RTN = 0x07,          //!< b00000111
118     // timestamp
119         ETM4_PKT_I_TIMESTAMP = 0x02,           //!< b0000001x
120     // speculation
121         ETM4_PKT_I_CANCEL_F1 = 0x2E,           //!< b0010111x
122         ETM4_PKT_I_CANCEL_F2 = 0x34,           //!< b001101xx
123         ETM4_PKT_I_CANCEL_F3 = 0x38,           //!< b00111xxx
124         ETM4_PKT_I_COMMIT = 0x2D,              //!< b00101101
125         ETM4_PKT_I_MISPREDICT = 0x30,          //!< b001100xx
126     // Sync
127         ETM4_PKT_I_TRACE_INFO = 0x01,          //!< b00000001
128         ETM4_PKT_I_TRACE_ON = 0x04,            //!< b00000100
129     // extension packets - follow 0x00 header
130         ETM4_PKT_I_ASYNC = 0x100,              //!< b00000000
131         ETM4_PKT_I_DISCARD = 0x103,            //!< b00000011
132         ETM4_PKT_I_OVERFLOW = 0x105            //!< b00000101
133 
134 } ocsd_etmv4_i_pkt_type;
135 
136 typedef union _etmv4_trace_info_t {
137     uint32_t val;   //!< trace info full value.
138     struct {
139         uint32_t cc_enabled:1;      //!< 1 if cycle count enabled
140         uint32_t cond_enabled:3;    //!< conditional trace enabeld type
141         uint32_t p0_load:1;         //!< 1 if tracing with P0 load elements (for data trace)
142         uint32_t p0_store:1;        //1< 1 if tracing with P0 store elements (for data trace)
143     } bits;         //!< bitfields for trace info value.
144 } etmv4_trace_info_t;
145 
146 typedef struct _etmv4_context_t {
147     struct {
148         uint32_t EL:2;          //!< exception level.
149         uint32_t SF:1;          //!< sixty four bit
150         uint32_t NS:1;          //!< none secure
151         uint32_t updated:1;     //!< updated this context packet (otherwise same as last time)
152         uint32_t updated_c:1;   //!< updated CtxtID
153         uint32_t updated_v:1;   //!< updated VMID
154     };
155     uint32_t ctxtID;   //!< Current ctxtID
156     uint32_t VMID;     //!< current VMID
157 } etmv4_context_t;
158 
159 /** a broadcast address value. */
160 typedef struct _etmv4_addr_val_t {
161     ocsd_vaddr_t val;  //!< Address value.
162     uint8_t isa;        //!< instruction set.
163 } etmv4_addr_val_t;
164 
165 typedef struct _ocsd_etmv4_i_pkt
166 {
167     ocsd_etmv4_i_pkt_type type;    /**< Trace packet type derived from header byte */
168 
169     //** intra-packet data - valid across packets.
170 
171     ocsd_pkt_vaddr v_addr;         //!< most recently broadcast address packet
172     uint8_t         v_addr_ISA;     //!< ISA for the address packet. (0 = IS0 / 1 = IS1)
173 
174     etmv4_context_t context;        //!< current context for PE
175 
176     struct {
177         uint64_t timestamp;         //!< current timestamp value
178         uint8_t bits_changed;       //!< bits updated in this timestamp packet.
179     } ts;
180 
181     uint32_t cc_threshold;      //!< cycle count threshold - from trace info.
182 
183     // single packet data - only valid for specific packet types on packet instance.
184     ocsd_pkt_atom  atom;       //!< atom elements - number of atoms indicates validity of packet
185     uint32_t cycle_count;       //!< cycle count
186 
187     uint32_t curr_spec_depth;   //!< current speculation depth
188     uint32_t p0_key;            //!< current P0 key value for data packet synchronisation
189 
190     uint32_t commit_elements;  //<! commit elements indicated by this packet - valid dependent on the packet type.
191     uint32_t cancel_elements;  //<! cancel elements indicated by this packet - valid dependent on the packet type.
192 
193     etmv4_trace_info_t trace_info;  //!< trace info structure - programmed configuration of trace capture.
194 
195     struct {
196         uint32_t exceptionType:10;      //!< exception number
197         uint32_t addr_interp:2;         //!< address value interpretation
198         uint32_t m_fault_pending:1;     //!< M class fault pending.
199         uint32_t m_type:1;              //!< 1 if M class exception.
200     } exception_info;
201 
202 
203     uint8_t addr_exact_match_idx;   //!< address match index in this packet.
204     uint8_t dsm_val;    //!<  Data Sync Marker number, or unnumbered atom count - packet type determines.
205     uint8_t event_val;  //!< Event value on event packet.
206 
207     struct {
208         uint32_t cond_c_key;
209         uint8_t num_c_elem;
210         struct {
211             uint32_t cond_key_set:1;
212             uint32_t f3_final_elem:1;
213             uint32_t f2_cond_incr:1;
214         };
215     } cond_instr;
216 
217     struct {
218         uint32_t cond_r_key_0;
219         uint32_t cond_r_key_1;
220         struct {
221             uint32_t res_0:4;
222             uint32_t res_1:4;
223             uint32_t ci_0:1;
224             uint32_t ci_1:1;
225             uint32_t key_res_0_set:1;
226             uint32_t key_res_1_set:1;
227             uint32_t f2_key_incr:2;
228             uint32_t f2f4_token:2;
229             uint32_t f3_tokens:12;
230         };
231     } cond_result;
232 
233     struct {
234         uint32_t q_count;
235         struct {
236             uint32_t addr_present:1;
237             uint32_t addr_match:1;
238             uint32_t count_present:1;
239             uint32_t q_type:4;
240         };
241     } Q_pkt;
242 
243     //! valid bits for packet elements (addresses have their own valid bits).
244     union {
245         uint32_t val;
246         struct {
247             uint32_t context_valid:1;
248             uint32_t ts_valid:1;
249             uint32_t spec_depth_valid:1;
250             uint32_t p0_key_valid:1;
251             uint32_t cond_c_key_valid:1;
252             uint32_t cond_r_key_valid:1;
253             uint32_t trace_info_valid:1;
254             uint32_t cc_thresh_valid:1;
255             uint32_t cc_valid:1;
256             uint32_t commit_elem_valid:1;
257         } bits;
258     } pkt_valid;
259 
260     // original header type when packet type changed to error on decode error.
261     ocsd_etmv4_i_pkt_type err_type;
262 
263 } ocsd_etmv4_i_pkt;
264 
265 
266 // D stream packets
267 typedef enum _ocsd_etmv4_d_pkt_type
268 {
269 // markers for unknown/bad packets
270 		ETM4_PKT_D_NOTSYNC = 0x200,        //!< no sync found yet
271 		ETM4_PKT_D_BAD_SEQUENCE,   //!< invalid sequence for packet type
272         ETM4_PKT_D_BAD_TRACEMODE,  //!< invalid packet type for this trace mode.
273 		ETM4_PKT_D_RESERVED,       //!< packet type reserved.
274         ETM4_PKT_D_INCOMPLETE_EOT, //!< flushing incomplete packet at end of trace.
275         ETM4_PKT_D_NO_HEADER,      //!< waiting for a header byte
276         ETM4_PKT_D_NO_ERR_TYPE,    //!< error packet has no header based type. Use with unknown/res packet types.
277 
278     // data sync markers
279         ETM4_PKT_DNUM_DS_MKR = 0x111, // ext packet, b0001xxx1
280     // extension header
281         ETM4_PKT_D_EXTENSION = 0x00,           //!< b00000000
282 
283         ETM4_PKT_DUNNUM_DS_MKR = 0x01,    //!< b00000001
284     // event trace
285         ETM4_PKT_DEVENT = 0x04,           //!< b00000100
286     // timestamp
287         ETM4_PKT_DTIMESTAMP = 0x02,       //!< b00000010
288     // P1 Data address
289         ETM4_PKT_DADDR_P1_F1 = 0x70,     //!< b0111xxxx
290         ETM4_PKT_DADDR_P1_F2 = 0x80,     //!< b10xxxxxx
291         ETM4_PKT_DADDR_P1_F3 = 0x14,     //!< b000101xx
292         ETM4_PKT_DADDR_P1_F4 = 0x60,     //!< b0110xxxx
293         ETM4_PKT_DADDR_P1_F5 = 0xF8,     //!< b11111xxx
294         ETM4_PKT_DADDR_P1_F6 = 0xF6,     //!< b1111011x
295         ETM4_PKT_DADDR_P1_F7 = 0xF5,     //!< b11110101
296     // P2 Data value
297         ETM4_PKT_DVAL_P2_F1 = 0x20,      //!< b0010xxxx
298         ETM4_PKT_DVAL_P2_F2 = 0x30,      //!< b00110xxx
299         ETM4_PKT_DVAL_P2_F3 = 0x40,      //!< b010xxxxx
300         ETM4_PKT_DVAL_P2_F4 = 0x10,      //!< b000100xx
301         ETM4_PKT_DVAL_P2_F5 = 0x18,      //!< b00011xxx
302         ETM4_PKT_DVAL_P2_F6 = 0x38,      //!< b00111xxx
303     // suppression
304         ETM4_PKT_DSUPPRESSION = 0x03,     //!< b00000011
305     // synchronisation- extension packets - follow 0x00 header
306         ETM4_PKT_DTRACE_INFO = 0x101,      //!< b00000001
307 
308     // extension packets - follow 0x00 header
309         ETM4_PKT_D_ASYNC = 0x100,              //!< b00000000
310         ETM4_PKT_D_DISCARD = 0x103,            //!< b00000011
311         ETM4_PKT_D_OVERFLOW = 0x105            //!< b00000101
312 
313 } ocsd_etmv4_d_pkt_type;
314 
315 
316 typedef struct _ocsd_etmv4_d_pkt
317 {
318     ocsd_etmv4_d_pkt_type type;
319 
320     ocsd_pkt_vaddr d_addr;
321 
322     uint64_t        pkt_val;    /**< Packet value -> data value, timestamp value, event value */
323 
324     ocsd_etmv4_d_pkt_type err_type;
325 
326 } ocsd_etmv4_d_pkt;
327 
328 typedef struct _ocsd_etmv4_cfg
329 {
330     uint32_t                reg_idr0;    /**< ID0 register */
331     uint32_t                reg_idr1;    /**< ID1 register */
332     uint32_t                reg_idr2;    /**< ID2 register */
333     uint32_t                reg_idr8;
334     uint32_t                reg_idr9;
335     uint32_t                reg_idr10;
336     uint32_t                reg_idr11;
337     uint32_t                reg_idr12;
338     uint32_t                reg_idr13;
339     uint32_t                reg_configr;  /**< Config Register */
340     uint32_t                reg_traceidr;  /**< Trace Stream ID register */
341     ocsd_arch_version_t    arch_ver;   /**< Architecture version */
342     ocsd_core_profile_t    core_prof;  /**< Core Profile */
343 } ocsd_etmv4_cfg;
344 
345 /** @}*/
346 /** @}*/
347 #endif // ARM_TRC_PKT_TYPES_ETMV4_H_INCLUDED
348 
349 /* End of File trc_pkt_types_etmv4.h */
350 
351