1 /*
2  * \file       trc_pkt_types_etmv4.h
3  * \brief      OpenCSD : ETMv4 / ETE packet info
4  *
5  * \copyright  Copyright (c) 2015,2019,2022 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, ETE 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         ETM4_PKT_I_RESERVED_CFG,                /*!< packet type reserved for current configuration */
60 
61 /* I stream packet types. */
62     /* extension header. */
63         ETM4_PKT_I_EXTENSION =          0x00,   /*!< b00000000  */
64 
65    /* sync */
66         ETM4_PKT_I_TRACE_INFO =         0x01,   /*!< b00000001 */
67         // timestamp
68         ETM4_PKT_I_TIMESTAMP =          0x02,   /*!< b0000001x */
69         ETM4_PKT_I_TRACE_ON =           0x04,   /*!< b00000100 */
70         ETM4_PKT_I_FUNC_RET =           0x05,   /*!< b00000101 (V8M only) */
71     // Exceptions
72         ETM4_PKT_I_EXCEPT =             0x06,   /*!< b00000110 */
73         ETM4_PKT_I_EXCEPT_RTN =         0x07,   /*!< b00000111 (ETE invalid) */
74 
75         /* unused encoding              0x08         b00001000 */
76         ETE_PKT_I_ITE =                 0x09,   /*!  b00001001 (ETE only) */
77         ETE_PKT_I_TRANS_ST =            0x0A,   /*!  b00001010 (ETE only) */
78         ETE_PKT_I_TRANS_COMMIT =        0x0B,   /*!  b00001011 (ETE only) */
79 
80     /* cycle count packets */
81         ETM4_PKT_I_CCNT_F2 =            0x0C,   /*!< b0000110x */
82         ETM4_PKT_I_CCNT_F1 =            0x0E,   /*!< b0000111x */
83         ETM4_PKT_I_CCNT_F3 =            0x10,   /*!< b0001xxxx */
84 
85     // data synchronisation markers
86         ETM4_PKT_I_NUM_DS_MKR =         0x20,   /*!< b00100xxx */
87         ETM4_PKT_I_UNNUM_DS_MKR =       0x28,   /*!< b00101000 to b00101100 0x2C */
88 
89     // speculation
90         ETM4_PKT_I_COMMIT =             0x2D,   /*!< b00101101 */
91         ETM4_PKT_I_CANCEL_F1 =          0x2E,   /*!< b00101110 */
92         ETM4_PKT_I_CANCEL_F1_MISPRED =  0x2F,   /*!< b00101111 */
93         ETM4_PKT_I_MISPREDICT =         0x30,   /*!< b001100xx */
94         ETM4_PKT_I_CANCEL_F2 =          0x34,   /*!< b001101xx */
95         ETM4_PKT_I_CANCEL_F3 =          0x38,   /*!< b00111xxx */
96 
97     /* conditional instruction tracing - (reserved encodings ETE) */
98         ETM4_PKT_I_COND_I_F2 =          0x40,   /*!< b01000000 - b01000010 */
99         ETM4_PKT_I_COND_FLUSH =         0x43,   /*!< b01000011 */
100         ETM4_PKT_I_COND_RES_F4 =        0x44,   /*!< b0100010x, b01000110 */
101         /* unused encoding              0x47         b01000111 */
102         ETM4_PKT_I_COND_RES_F2 =        0x48,   /*!< b0100100x, b01001010, b0100110x, b01001110 */
103         /* unused encodings             0x4B,0x4F    b01001011, b01001111 */
104         ETM4_PKT_I_COND_RES_F3 =        0x50,   /*!< b0101xxxx */
105         /* unused encodings             0x60-0x67    b01100xxx */
106         ETM4_PKT_I_COND_RES_F1 =        0x68,   /*!< b011010xx, b0110111x  0x68-0x6B, 0x6e-0x6F */
107         ETM4_PKT_I_COND_I_F1 =          0x6C,   /*!< b01101100 */
108         ETM4_PKT_I_COND_I_F3 =          0x6D,   /*!< b01101101 */
109 
110         // event trace
111         ETM4_PKT_I_IGNORE =             0x70,   /*!< b01110000 */
112         ETM4_PKT_I_EVENT =              0x71,   /*!< b01110001 to 0x01111111 0x7F */
113 
114     /* address and context */
115         ETM4_PKT_I_CTXT =               0x80,   /*!< b1000000x  */
116         ETM4_PKT_I_ADDR_CTXT_L_32IS0 =  0x82,   /*!< b10000010  */
117         ETM4_PKT_I_ADDR_CTXT_L_32IS1,           /*!< b10000011  */
118         /* unused encoding              0x84         b10000100  */
119         ETM4_PKT_I_ADDR_CTXT_L_64IS0 =  0x85,   /*!< b10000101  */
120         ETM4_PKT_I_ADDR_CTXT_L_64IS1,           /*!< b10000110  */
121         /* unused encoding              0x87         b10000111  */
122         ETE_PKT_I_TS_MARKER =           0x88,   /*!< b10001000  */
123         /* unused encodings             0x89-0x8F    b10001001 to b10001111  */
124         ETM4_PKT_I_ADDR_MATCH =         0x90,   /*!< b10010000 to b10010010 0x92 */
125         /* unused encodings             0x93-0x94    b10010011 to b10010010 */
126         ETM4_PKT_I_ADDR_S_IS0 =         0x95,   /*!< b10010101  */
127         ETM4_PKT_I_ADDR_S_IS1,                  /*!< b10010110  */
128         /* unused encodings             0x97         b10010111 to b10011001 0x99 */
129         ETM4_PKT_I_ADDR_L_32IS0 =       0x9A,   /*!< b10011010  */
130         ETM4_PKT_I_ADDR_L_32IS1,                /*!< b10011011  */
131         /* unused encoding              0x9C         b10011100  */
132         ETM4_PKT_I_ADDR_L_64IS0 =       0x9D,   /*!< b10011101  */
133         ETM4_PKT_I_ADDR_L_64IS1,                /*!< b10011110  */
134         /* unused encoding              0x9F         b10011111  */
135 
136     /* Q packets */
137         ETM4_PKT_I_Q = 0xA0,                    /*!< b1010xxxx  */
138 
139     /* ETE source address packets, unused ETMv4 */
140         ETE_PKT_I_SRC_ADDR_MATCH =      0xB0,   /*!< b101100xx  */
141         ETE_PKT_I_SRC_ADDR_S_IS0 =      0xB4,   /*!< b10110100  */
142         ETE_PKT_I_SRC_ADDR_S_IS1 =      0xB5,   /*!< b10110101  */
143         ETE_PKT_I_SRC_ADDR_L_32IS0 =    0xB6,   /*!< b10110110  */
144         ETE_PKT_I_SRC_ADDR_L_32IS1 =    0xB7,   /*!< b10110111  */
145         ETE_PKT_I_SRC_ADDR_L_64IS0 =    0xB8,   /*!< b10111000  */
146         ETE_PKT_I_SRC_ADDR_L_64IS1 =    0xB9,   /*!< b10111001  */
147         /* unused encodings             0xBA-0xBF    b10111010 - b10111111  */
148 
149     /* Atom packets */
150         ETM4_PKT_I_ATOM_F6 =            0xC0,   /*!< b11000000 - b11010100 0xC0 - 0xD4, b11100000 - b11110100 0xE0 - 0xF4 */
151         ETM4_PKT_I_ATOM_F5 =            0xD5,   /*!< b11010101 - b11010111 0xD5 - 0xD7, b11110101 0xF5 */
152         ETM4_PKT_I_ATOM_F2 =            0xD8,   /*!< b110110xx to 0xDB */
153         ETM4_PKT_I_ATOM_F4 =            0xDC,   /*!< b110111xx to 0xDF */
154         ETM4_PKT_I_ATOM_F1 =            0xF6,   /*!< b1111011x to 0xF7 */
155         ETM4_PKT_I_ATOM_F3 =            0xF8,   /*!< b11111xxx to 0xFF */
156 
157     // extension packets - follow 0x00 header
158         ETM4_PKT_I_ASYNC = 0x100,              //!< b00000000
159         ETM4_PKT_I_DISCARD = 0x103,            //!< b00000011
160         ETM4_PKT_I_OVERFLOW = 0x105,           //!< b00000101
161 
162     // ETE extended types
163         ETE_PKT_I_PE_RESET = 0x400,     // base type is exception packet.
164         ETE_PKT_I_TRANS_FAIL = 0x401,   // base type is exception packet.
165 
166 } ocsd_etmv4_i_pkt_type;
167 
168 typedef union _etmv4_trace_info_t {
169     uint32_t val;   //!< trace info full value.
170     struct {
171         uint32_t cc_enabled:1;      //!< 1 if cycle count enabled
172         uint32_t cond_enabled:3;    //!< conditional trace enabled type.
173         uint32_t p0_load:1;         //!< 1 if tracing with P0 load elements (for data trace)
174         uint32_t p0_store:1;        //!< 1 if tracing with P0 store elements (for data trace)
175         uint32_t in_trans_state:1;  //!< 1 if starting trace when in a transactional state (ETE trace).
176     } bits;         //!< bitfields for trace info value.
177 } etmv4_trace_info_t;
178 
179 typedef struct _etmv4_context_t {
180     struct {
181         uint32_t EL:2;          //!< exception level.
182         uint32_t SF:1;          //!< sixty four bit
183         uint32_t NS:1;          //!< none secure
184         uint32_t updated:1;     //!< updated this context packet (otherwise same as last time)
185         uint32_t updated_c:1;   //!< updated CtxtID
186         uint32_t updated_v:1;   //!< updated VMID
187         uint32_t NSE:1;         //!< PE FEAT_RME: root / realm indicator
188     };
189     uint32_t ctxtID;   //!< Current ctxtID
190     uint32_t VMID;     //!< current VMID
191 } etmv4_context_t;
192 
193 /** a broadcast address value. */
194 typedef struct _etmv4_addr_val_t {
195     ocsd_vaddr_t val;  //!< Address value.
196     uint8_t isa;        //!< instruction set.
197 } etmv4_addr_val_t;
198 
199 typedef struct _ocsd_etmv4_i_pkt
200 {
201     ocsd_etmv4_i_pkt_type type;    /**< Trace packet type derived from header byte */
202 
203     //** intra-packet data - valid across packets.
204 
205     ocsd_pkt_vaddr v_addr;         //!< most recently broadcast address packet
206     uint8_t         v_addr_ISA;     //!< ISA for the address packet. (0 = IS0 / 1 = IS1)
207 
208     etmv4_context_t context;        //!< current context for PE
209 
210     struct {
211         uint64_t timestamp;         //!< current timestamp value
212         uint8_t bits_changed;       //!< bits updated in this timestamp packet.
213     } ts;
214 
215     uint32_t cc_threshold;      //!< cycle count threshold - from trace info.
216 
217     // single packet data - only valid for specific packet types on packet instance.
218     ocsd_pkt_atom  atom;       //!< atom elements - number of atoms indicates validity of packet
219     uint32_t cycle_count;       //!< cycle count
220 
221     uint32_t curr_spec_depth;   //!< current speculation depth
222     uint32_t p0_key;            //!< current P0 key value for data packet synchronisation
223 
224     uint32_t commit_elements;  //<! commit elements indicated by this packet - valid dependent on the packet type.
225     uint32_t cancel_elements;  //<! cancel elements indicated by this packet - valid dependent on the packet type.
226 
227     etmv4_trace_info_t trace_info;  //!< trace info structure - programmed configuration of trace capture.
228 
229     struct {
230         uint32_t exceptionType:10;      //!< exception number
231         uint32_t addr_interp:2;         //!< address value interpretation
232         uint32_t m_fault_pending:1;     //!< M class fault pending.
233         uint32_t m_type:1;              //!< 1 if M class exception.
234     } exception_info;
235 
236 
237     uint8_t addr_exact_match_idx;   //!< address match index in this packet.
238     uint8_t dsm_val;    //!<  Data Sync Marker number, or unnumbered atom count - packet type determines.
239     uint8_t event_val;  //!< Event value on event packet.
240 
241     struct {
242         uint32_t cond_c_key;
243         uint8_t num_c_elem;
244         struct {
245             uint32_t cond_key_set:1;
246             uint32_t f3_final_elem:1;
247             uint32_t f2_cond_incr:1;
248         };
249     } cond_instr;
250 
251     struct {
252         uint32_t cond_r_key_0;
253         uint32_t cond_r_key_1;
254         struct {
255             uint32_t res_0:4;
256             uint32_t res_1:4;
257             uint32_t ci_0:1;
258             uint32_t ci_1:1;
259             uint32_t key_res_0_set:1;
260             uint32_t key_res_1_set:1;
261             uint32_t f2_key_incr:2;
262             uint32_t f2f4_token:2;
263             uint32_t f3_tokens:12;
264         };
265     } cond_result;
266 
267     struct {
268         uint32_t q_count;
269         struct {
270             uint32_t addr_present:1;
271             uint32_t addr_match:1;
272             uint32_t count_present:1;
273             uint32_t q_type:4;
274         };
275     } Q_pkt;
276 
277     struct {
278         uint8_t el;
279         uint64_t value;
280     } ite_pkt;
281 
282     //! valid bits for packet elements (addresses have their own valid bits).
283     union {
284         uint32_t val;
285         struct {
286             uint32_t context_valid:1;
287             uint32_t ts_valid:1;
288             uint32_t spec_depth_valid:1;
289             uint32_t p0_key_valid:1;
290             uint32_t cond_c_key_valid:1;
291             uint32_t cond_r_key_valid:1;
292             uint32_t trace_info_valid:1;
293             uint32_t cc_thresh_valid:1;
294             uint32_t cc_valid:1;
295             uint32_t commit_elem_valid:1;
296         } bits;
297     } pkt_valid;
298 
299     // original header type when packet type changed to error on decode error.
300     ocsd_etmv4_i_pkt_type err_type;
301     uint8_t err_hdr_val;
302 
303     // protocol version - validity of ETE specific fields 0xMm == v Major.minor
304     uint8_t protocol_version;
305 
306 } ocsd_etmv4_i_pkt;
307 
308 
309 // D stream packets
310 typedef enum _ocsd_etmv4_d_pkt_type
311 {
312 // markers for unknown/bad packets
313 		ETM4_PKT_D_NOTSYNC = 0x200,        //!< no sync found yet
314 		ETM4_PKT_D_BAD_SEQUENCE,   //!< invalid sequence for packet type
315         ETM4_PKT_D_BAD_TRACEMODE,  //!< invalid packet type for this trace mode.
316 		ETM4_PKT_D_RESERVED,       //!< packet type reserved.
317         ETM4_PKT_D_INCOMPLETE_EOT, //!< flushing incomplete packet at end of trace.
318         ETM4_PKT_D_NO_HEADER,      //!< waiting for a header byte
319         ETM4_PKT_D_NO_ERR_TYPE,    //!< error packet has no header based type. Use with unknown/res packet types.
320 
321     // data sync markers
322         ETM4_PKT_DNUM_DS_MKR = 0x111, // ext packet, b0001xxx1
323     // extension header
324         ETM4_PKT_D_EXTENSION = 0x00,           //!< b00000000
325 
326         ETM4_PKT_DUNNUM_DS_MKR = 0x01,    //!< b00000001
327     // event trace
328         ETM4_PKT_DEVENT = 0x04,           //!< b00000100
329     // timestamp
330         ETM4_PKT_DTIMESTAMP = 0x02,       //!< b00000010
331     // P1 Data address
332         ETM4_PKT_DADDR_P1_F1 = 0x70,     //!< b0111xxxx
333         ETM4_PKT_DADDR_P1_F2 = 0x80,     //!< b10xxxxxx
334         ETM4_PKT_DADDR_P1_F3 = 0x14,     //!< b000101xx
335         ETM4_PKT_DADDR_P1_F4 = 0x60,     //!< b0110xxxx
336         ETM4_PKT_DADDR_P1_F5 = 0xF8,     //!< b11111xxx
337         ETM4_PKT_DADDR_P1_F6 = 0xF6,     //!< b1111011x
338         ETM4_PKT_DADDR_P1_F7 = 0xF5,     //!< b11110101
339     // P2 Data value
340         ETM4_PKT_DVAL_P2_F1 = 0x20,      //!< b0010xxxx
341         ETM4_PKT_DVAL_P2_F2 = 0x30,      //!< b00110xxx
342         ETM4_PKT_DVAL_P2_F3 = 0x40,      //!< b010xxxxx
343         ETM4_PKT_DVAL_P2_F4 = 0x10,      //!< b000100xx
344         ETM4_PKT_DVAL_P2_F5 = 0x18,      //!< b00011xxx
345         ETM4_PKT_DVAL_P2_F6 = 0x38,      //!< b00111xxx
346     // suppression
347         ETM4_PKT_DSUPPRESSION = 0x03,     //!< b00000011
348     // synchronisation- extension packets - follow 0x00 header
349         ETM4_PKT_DTRACE_INFO = 0x101,      //!< b00000001
350 
351     // extension packets - follow 0x00 header
352         ETM4_PKT_D_ASYNC = 0x100,              //!< b00000000
353         ETM4_PKT_D_DISCARD = 0x103,            //!< b00000011
354         ETM4_PKT_D_OVERFLOW = 0x105            //!< b00000101
355 
356 } ocsd_etmv4_d_pkt_type;
357 
358 
359 typedef struct _ocsd_etmv4_d_pkt
360 {
361     ocsd_etmv4_d_pkt_type type;
362 
363     ocsd_pkt_vaddr d_addr;
364 
365     uint64_t        pkt_val;    /**< Packet value -> data value, timestamp value, event value */
366 
367     ocsd_etmv4_d_pkt_type err_type;
368 
369 } ocsd_etmv4_d_pkt;
370 
371 typedef struct _ocsd_etmv4_cfg
372 {
373     uint32_t                reg_idr0;    /**< ID0 register */
374     uint32_t                reg_idr1;    /**< ID1 register */
375     uint32_t                reg_idr2;    /**< ID2 register */
376     uint32_t                reg_idr8;
377     uint32_t                reg_idr9;
378     uint32_t                reg_idr10;
379     uint32_t                reg_idr11;
380     uint32_t                reg_idr12;
381     uint32_t                reg_idr13;
382     uint32_t                reg_configr;  /**< Config Register */
383     uint32_t                reg_traceidr;  /**< Trace Stream ID register */
384     ocsd_arch_version_t    arch_ver;   /**< Architecture version */
385     ocsd_core_profile_t    core_prof;  /**< Core Profile */
386 } ocsd_etmv4_cfg;
387 
388 #define ETE_ARCH_VERSION 0x5
389 
390 #define ETE_OPFLG_PKTDEC_SRCADDR_N_ATOMS 0x00010000 /**< Split source address output ranges for N-atoms */
391 
392 /** @}*/
393 /** @}*/
394 #endif // ARM_TRC_PKT_TYPES_ETMV4_H_INCLUDED
395 
396 /* End of File trc_pkt_types_etmv4.h */
397 
398