/****************************************************************************** * Filename: hw_cpu_dwt_h * Revised: 2017-01-31 09:37:48 +0100 (Tue, 31 Jan 2017) * Revision: 48345 * * Copyright (c) 2015 - 2017, Texas Instruments Incorporated * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions are met: * * 1) Redistributions of source code must retain the above copyright notice, * this list of conditions and the following disclaimer. * * 2) Redistributions in binary form must reproduce the above copyright notice, * this list of conditions and the following disclaimer in the documentation * and/or other materials provided with the distribution. * * 3) Neither the name of the ORGANIZATION nor the names of its contributors may * be used to endorse or promote products derived from this software without * specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE * POSSIBILITY OF SUCH DAMAGE. * ******************************************************************************/ #ifndef __HW_CPU_DWT_H__ #define __HW_CPU_DWT_H__ //***************************************************************************** // // This section defines the register offsets of // CPU_DWT component // //***************************************************************************** // Control #define CPU_DWT_O_CTRL 0x00000000 // Current PC Sampler Cycle Count #define CPU_DWT_O_CYCCNT 0x00000004 // CPI Count #define CPU_DWT_O_CPICNT 0x00000008 // Exception Overhead Count #define CPU_DWT_O_EXCCNT 0x0000000C // Sleep Count #define CPU_DWT_O_SLEEPCNT 0x00000010 // LSU Count #define CPU_DWT_O_LSUCNT 0x00000014 // Fold Count #define CPU_DWT_O_FOLDCNT 0x00000018 // Program Counter Sample #define CPU_DWT_O_PCSR 0x0000001C // Comparator 0 #define CPU_DWT_O_COMP0 0x00000020 // Mask 0 #define CPU_DWT_O_MASK0 0x00000024 // Function 0 #define CPU_DWT_O_FUNCTION0 0x00000028 // Comparator 1 #define CPU_DWT_O_COMP1 0x00000030 // Mask 1 #define CPU_DWT_O_MASK1 0x00000034 // Function 1 #define CPU_DWT_O_FUNCTION1 0x00000038 // Comparator 2 #define CPU_DWT_O_COMP2 0x00000040 // Mask 2 #define CPU_DWT_O_MASK2 0x00000044 // Function 2 #define CPU_DWT_O_FUNCTION2 0x00000048 // Comparator 3 #define CPU_DWT_O_COMP3 0x00000050 // Mask 3 #define CPU_DWT_O_MASK3 0x00000054 // Function 3 #define CPU_DWT_O_FUNCTION3 0x00000058 //***************************************************************************** // // Register: CPU_DWT_O_CTRL // //***************************************************************************** // Field: [25] NOCYCCNT // // When set, CYCCNT is not supported. #define CPU_DWT_CTRL_NOCYCCNT 0x02000000 #define CPU_DWT_CTRL_NOCYCCNT_BITN 25 #define CPU_DWT_CTRL_NOCYCCNT_M 0x02000000 #define CPU_DWT_CTRL_NOCYCCNT_S 25 // Field: [24] NOPRFCNT // // When set, FOLDCNT, LSUCNT, SLEEPCNT, EXCCNT, and CPICNT are not supported. #define CPU_DWT_CTRL_NOPRFCNT 0x01000000 #define CPU_DWT_CTRL_NOPRFCNT_BITN 24 #define CPU_DWT_CTRL_NOPRFCNT_M 0x01000000 #define CPU_DWT_CTRL_NOPRFCNT_S 24 // Field: [22] CYCEVTENA // // Enables Cycle count event. Emits an event when the POSTCNT counter triggers // it. See CYCTAP and POSTPRESET for details. This event is only emitted if // PCSAMPLEENA is disabled. PCSAMPLEENA overrides the setting of this bit. // // 0: Cycle count events disabled // 1: Cycle count events enabled #define CPU_DWT_CTRL_CYCEVTENA 0x00400000 #define CPU_DWT_CTRL_CYCEVTENA_BITN 22 #define CPU_DWT_CTRL_CYCEVTENA_M 0x00400000 #define CPU_DWT_CTRL_CYCEVTENA_S 22 // Field: [21] FOLDEVTENA // // Enables Folded instruction count event. Emits an event when FOLDCNT // overflows (every 256 cycles of folded instructions). A folded instruction is // one that does not incur even one cycle to execute. For example, an IT // instruction is folded away and so does not use up one cycle. // // 0: Folded instruction count events disabled. // 1: Folded instruction count events enabled. #define CPU_DWT_CTRL_FOLDEVTENA 0x00200000 #define CPU_DWT_CTRL_FOLDEVTENA_BITN 21 #define CPU_DWT_CTRL_FOLDEVTENA_M 0x00200000 #define CPU_DWT_CTRL_FOLDEVTENA_S 21 // Field: [20] LSUEVTENA // // Enables LSU count event. Emits an event when LSUCNT overflows (every 256 // cycles of LSU operation). LSU counts include all LSU costs after the initial // cycle for the instruction. // // 0: LSU count events disabled. // 1: LSU count events enabled. #define CPU_DWT_CTRL_LSUEVTENA 0x00100000 #define CPU_DWT_CTRL_LSUEVTENA_BITN 20 #define CPU_DWT_CTRL_LSUEVTENA_M 0x00100000 #define CPU_DWT_CTRL_LSUEVTENA_S 20 // Field: [19] SLEEPEVTENA // // Enables Sleep count event. Emits an event when SLEEPCNT overflows (every 256 // cycles that the processor is sleeping). // // 0: Sleep count events disabled. // 1: Sleep count events enabled. #define CPU_DWT_CTRL_SLEEPEVTENA 0x00080000 #define CPU_DWT_CTRL_SLEEPEVTENA_BITN 19 #define CPU_DWT_CTRL_SLEEPEVTENA_M 0x00080000 #define CPU_DWT_CTRL_SLEEPEVTENA_S 19 // Field: [18] EXCEVTENA // // Enables Interrupt overhead event. Emits an event when EXCCNT overflows // (every 256 cycles of interrupt overhead). // // 0x0: Interrupt overhead event disabled. // 0x1: Interrupt overhead event enabled. #define CPU_DWT_CTRL_EXCEVTENA 0x00040000 #define CPU_DWT_CTRL_EXCEVTENA_BITN 18 #define CPU_DWT_CTRL_EXCEVTENA_M 0x00040000 #define CPU_DWT_CTRL_EXCEVTENA_S 18 // Field: [17] CPIEVTENA // // Enables CPI count event. Emits an event when CPICNT overflows (every 256 // cycles of multi-cycle instructions). // // 0: CPI counter events disabled. // 1: CPI counter events enabled. #define CPU_DWT_CTRL_CPIEVTENA 0x00020000 #define CPU_DWT_CTRL_CPIEVTENA_BITN 17 #define CPU_DWT_CTRL_CPIEVTENA_M 0x00020000 #define CPU_DWT_CTRL_CPIEVTENA_S 17 // Field: [16] EXCTRCENA // // Enables Interrupt event tracing. // // 0: Interrupt event trace disabled. // 1: Interrupt event trace enabled. #define CPU_DWT_CTRL_EXCTRCENA 0x00010000 #define CPU_DWT_CTRL_EXCTRCENA_BITN 16 #define CPU_DWT_CTRL_EXCTRCENA_M 0x00010000 #define CPU_DWT_CTRL_EXCTRCENA_S 16 // Field: [12] PCSAMPLEENA // // Enables PC Sampling event. A PC sample event is emitted when the POSTCNT // counter triggers it. See CYCTAP and POSTPRESET for details. Enabling this // bit overrides CYCEVTENA. // // 0: PC Sampling event disabled. // 1: Sampling event enabled. #define CPU_DWT_CTRL_PCSAMPLEENA 0x00001000 #define CPU_DWT_CTRL_PCSAMPLEENA_BITN 12 #define CPU_DWT_CTRL_PCSAMPLEENA_M 0x00001000 #define CPU_DWT_CTRL_PCSAMPLEENA_S 12 // Field: [11:10] SYNCTAP // // Selects a synchronization packet rate. CYCCNTENA and CPU_ITM:TCR.SYNCENA // must also be enabled for this feature. // Synchronization packets (if enabled) are generated on tap transitions (0 to1 // or 1 to 0). // ENUMs: // BIT28 Tap at bit 28 of CYCCNT // BIT26 Tap at bit 26 of CYCCNT // BIT24 Tap at bit 24 of CYCCNT // DIS Disabled. No synchronization packets #define CPU_DWT_CTRL_SYNCTAP_W 2 #define CPU_DWT_CTRL_SYNCTAP_M 0x00000C00 #define CPU_DWT_CTRL_SYNCTAP_S 10 #define CPU_DWT_CTRL_SYNCTAP_BIT28 0x00000C00 #define CPU_DWT_CTRL_SYNCTAP_BIT26 0x00000800 #define CPU_DWT_CTRL_SYNCTAP_BIT24 0x00000400 #define CPU_DWT_CTRL_SYNCTAP_DIS 0x00000000 // Field: [9] CYCTAP // // Selects a tap on CYCCNT. These are spaced at bits [6] and [10]. When the // selected bit in CYCCNT changes from 0 to 1 or 1 to 0, it emits into the // POSTCNT, post-scalar counter. That counter then counts down. On a bit change // when post-scalar is 0, it triggers an event for PC sampling or cycle count // event (see details in CYCEVTENA). // ENUMs: // BIT10 Selects bit [10] to tap // BIT6 Selects bit [6] to tap #define CPU_DWT_CTRL_CYCTAP 0x00000200 #define CPU_DWT_CTRL_CYCTAP_BITN 9 #define CPU_DWT_CTRL_CYCTAP_M 0x00000200 #define CPU_DWT_CTRL_CYCTAP_S 9 #define CPU_DWT_CTRL_CYCTAP_BIT10 0x00000200 #define CPU_DWT_CTRL_CYCTAP_BIT6 0x00000000 // Field: [8:5] POSTCNT // // Post-scalar counter for CYCTAP. When the selected tapped bit changes from 0 // to 1 or 1 to 0, the post scalar counter is down-counted when not 0. If 0, it // triggers an event for PCSAMPLEENA or CYCEVTENA use. It also reloads with the // value from POSTPRESET. #define CPU_DWT_CTRL_POSTCNT_W 4 #define CPU_DWT_CTRL_POSTCNT_M 0x000001E0 #define CPU_DWT_CTRL_POSTCNT_S 5 // Field: [4:1] POSTPRESET // // Reload value for post-scalar counter POSTCNT. When 0, events are triggered // on each tap change (a power of 2). If this field has a non-0 value, it forms // a count-down value, to be reloaded into POSTCNT each time it reaches 0. For // example, a value 1 in this register means an event is formed every other tap // change. #define CPU_DWT_CTRL_POSTPRESET_W 4 #define CPU_DWT_CTRL_POSTPRESET_M 0x0000001E #define CPU_DWT_CTRL_POSTPRESET_S 1 // Field: [0] CYCCNTENA // // Enable CYCCNT, allowing it to increment and generate synchronization and // count events. If NOCYCCNT = 1, this bit reads zero and ignore writes. #define CPU_DWT_CTRL_CYCCNTENA 0x00000001 #define CPU_DWT_CTRL_CYCCNTENA_BITN 0 #define CPU_DWT_CTRL_CYCCNTENA_M 0x00000001 #define CPU_DWT_CTRL_CYCCNTENA_S 0 //***************************************************************************** // // Register: CPU_DWT_O_CYCCNT // //***************************************************************************** // Field: [31:0] CYCCNT // // Current PC Sampler Cycle Counter count value. When enabled, this counter // counts the number of core cycles, except when the core is halted. The cycle // counter is a free running counter, counting upwards (this counter will not // advance in power modes where free-running clock to CPU stops). It wraps // around to 0 on overflow. The debugger must initialize this to 0 when first // enabling. #define CPU_DWT_CYCCNT_CYCCNT_W 32 #define CPU_DWT_CYCCNT_CYCCNT_M 0xFFFFFFFF #define CPU_DWT_CYCCNT_CYCCNT_S 0 //***************************************************************************** // // Register: CPU_DWT_O_CPICNT // //***************************************************************************** // Field: [7:0] CPICNT // // Current CPI counter value. Increments on the additional cycles (the first // cycle is not counted) required to execute all instructions except those // recorded by LSUCNT. This counter also increments on all instruction fetch // stalls. If CTRL.CPIEVTENA is set, an event is emitted when the counter // overflows. This counter initializes to 0 when it is enabled using // CTRL.CPIEVTENA. #define CPU_DWT_CPICNT_CPICNT_W 8 #define CPU_DWT_CPICNT_CPICNT_M 0x000000FF #define CPU_DWT_CPICNT_CPICNT_S 0 //***************************************************************************** // // Register: CPU_DWT_O_EXCCNT // //***************************************************************************** // Field: [7:0] EXCCNT // // Current interrupt overhead counter value. Counts the total cycles spent in // interrupt processing (for example entry stacking, return unstacking, // pre-emption). An event is emitted on counter overflow (every 256 cycles). // This counter initializes to 0 when it is enabled using CTRL.EXCEVTENA. #define CPU_DWT_EXCCNT_EXCCNT_W 8 #define CPU_DWT_EXCCNT_EXCCNT_M 0x000000FF #define CPU_DWT_EXCCNT_EXCCNT_S 0 //***************************************************************************** // // Register: CPU_DWT_O_SLEEPCNT // //***************************************************************************** // Field: [7:0] SLEEPCNT // // Sleep counter. Counts the number of cycles during which the processor is // sleeping. An event is emitted on counter overflow (every 256 cycles). This // counter initializes to 0 when it is enabled using CTRL.SLEEPEVTENA. Note // that the sleep counter is clocked using CPU's free-running clock. In some // power modes the free-running clock to CPU is gated to minimize power // consumption. This means that the sleep counter will be invalid in these // power modes. #define CPU_DWT_SLEEPCNT_SLEEPCNT_W 8 #define CPU_DWT_SLEEPCNT_SLEEPCNT_M 0x000000FF #define CPU_DWT_SLEEPCNT_SLEEPCNT_S 0 //***************************************************************************** // // Register: CPU_DWT_O_LSUCNT // //***************************************************************************** // Field: [7:0] LSUCNT // // LSU counter. This counts the total number of cycles that the processor is // processing an LSU operation. The initial execution cost of the instruction // is not counted. For example, an LDR that takes two cycles to complete // increments this counter one cycle. Equivalently, an LDR that stalls for two // cycles (i.e. takes four cycles to execute), increments this counter three // times. An event is emitted on counter overflow (every 256 cycles). This // counter initializes to 0 when it is enabled using CTRL.LSUEVTENA. #define CPU_DWT_LSUCNT_LSUCNT_W 8 #define CPU_DWT_LSUCNT_LSUCNT_M 0x000000FF #define CPU_DWT_LSUCNT_LSUCNT_S 0 //***************************************************************************** // // Register: CPU_DWT_O_FOLDCNT // //***************************************************************************** // Field: [7:0] FOLDCNT // // This counts the total number folded instructions. This counter initializes // to 0 when it is enabled using CTRL.FOLDEVTENA. #define CPU_DWT_FOLDCNT_FOLDCNT_W 8 #define CPU_DWT_FOLDCNT_FOLDCNT_M 0x000000FF #define CPU_DWT_FOLDCNT_FOLDCNT_S 0 //***************************************************************************** // // Register: CPU_DWT_O_PCSR // //***************************************************************************** // Field: [31:0] EIASAMPLE // // Execution instruction address sample, or 0xFFFFFFFF if the core is halted. #define CPU_DWT_PCSR_EIASAMPLE_W 32 #define CPU_DWT_PCSR_EIASAMPLE_M 0xFFFFFFFF #define CPU_DWT_PCSR_EIASAMPLE_S 0 //***************************************************************************** // // Register: CPU_DWT_O_COMP0 // //***************************************************************************** // Field: [31:0] COMP // // Reference value to compare against PC or the data address as given by // FUNCTION0. Comparator 0 can also compare against the value of the PC Sampler // Counter (CYCCNT). #define CPU_DWT_COMP0_COMP_W 32 #define CPU_DWT_COMP0_COMP_M 0xFFFFFFFF #define CPU_DWT_COMP0_COMP_S 0 //***************************************************************************** // // Register: CPU_DWT_O_MASK0 // //***************************************************************************** // Field: [3:0] MASK // // Mask on data address when matching against COMP0. This is the size of the // ignore mask. That is, DWT matching is performed as:(ADDR ANDed with (0xFFFF // left bit-shifted by MASK)) == COMP0. However, the actual comparison is // slightly more complex to enable matching an address wherever it appears on a // bus. So, if COMP0 is 3, this matches a word access of 0, because 3 would be // within the word. #define CPU_DWT_MASK0_MASK_W 4 #define CPU_DWT_MASK0_MASK_M 0x0000000F #define CPU_DWT_MASK0_MASK_S 0 //***************************************************************************** // // Register: CPU_DWT_O_FUNCTION0 // //***************************************************************************** // Field: [24] MATCHED // // This bit is set when the comparator matches, and indicates that the // operation defined by FUNCTION has occurred since this bit was last read. // This bit is cleared on read. #define CPU_DWT_FUNCTION0_MATCHED 0x01000000 #define CPU_DWT_FUNCTION0_MATCHED_BITN 24 #define CPU_DWT_FUNCTION0_MATCHED_M 0x01000000 #define CPU_DWT_FUNCTION0_MATCHED_S 24 // Field: [7] CYCMATCH // // This bit is only available in comparator 0. When set, COMP0 will compare // against the cycle counter (CYCCNT). #define CPU_DWT_FUNCTION0_CYCMATCH 0x00000080 #define CPU_DWT_FUNCTION0_CYCMATCH_BITN 7 #define CPU_DWT_FUNCTION0_CYCMATCH_M 0x00000080 #define CPU_DWT_FUNCTION0_CYCMATCH_S 7 // Field: [5] EMITRANGE // // Emit range field. This bit permits emitting offset when range match occurs. // PC sampling is not supported when emit range is enabled. // This field only applies for: FUNCTION = 1, 2, 3, 12, 13, 14, and 15. #define CPU_DWT_FUNCTION0_EMITRANGE 0x00000020 #define CPU_DWT_FUNCTION0_EMITRANGE_BITN 5 #define CPU_DWT_FUNCTION0_EMITRANGE_M 0x00000020 #define CPU_DWT_FUNCTION0_EMITRANGE_S 5 // Field: [3:0] FUNCTION // // Function settings. // // 0x0: Disabled // 0x1: EMITRANGE = 0, sample and emit PC through ITM. EMITRANGE = 1, emit // address offset through ITM // 0x2: EMITRANGE = 0, emit data through ITM on read and write. EMITRANGE = 1, // emit data and address offset through ITM on read or write. // 0x3: EMITRANGE = 0, sample PC and data value through ITM on read or write. // EMITRANGE = 1, emit address offset and data value through ITM on read or // write. // 0x4: Watchpoint on PC match. // 0x5: Watchpoint on read. // 0x6: Watchpoint on write. // 0x7: Watchpoint on read or write. // 0x8: ETM trigger on PC match // 0x9: ETM trigger on read // 0xA: ETM trigger on write // 0xB: ETM trigger on read or write // 0xC: EMITRANGE = 0, sample data for read transfers. EMITRANGE = 1, sample // Daddr (lower 16 bits) for read transfers // 0xD: EMITRANGE = 0, sample data for write transfers. EMITRANGE = 1, sample // Daddr (lower 16 bits) for write transfers // 0xE: EMITRANGE = 0, sample PC + data for read transfers. EMITRANGE = 1, // sample Daddr (lower 16 bits) + data for read transfers // 0xF: EMITRANGE = 0, sample PC + data for write transfers. EMITRANGE = 1, // sample Daddr (lower 16 bits) + data for write transfers // // Note 1: If the ETM is not fitted, then ETM trigger is not possible. // Note 2: Data value is only sampled for accesses that do not fault (MPU or // bus fault). The PC is sampled irrespective of any faults. The PC is only // sampled for the first address of a burst. // Note 3: PC match is not recommended for watchpoints because it stops after // the instruction. It mainly guards and triggers the ETM. #define CPU_DWT_FUNCTION0_FUNCTION_W 4 #define CPU_DWT_FUNCTION0_FUNCTION_M 0x0000000F #define CPU_DWT_FUNCTION0_FUNCTION_S 0 //***************************************************************************** // // Register: CPU_DWT_O_COMP1 // //***************************************************************************** // Field: [31:0] COMP // // Reference value to compare against PC or the data address as given by // FUNCTION1. // Comparator 1 can also compare data values. So this register can contain // reference values for data matching. #define CPU_DWT_COMP1_COMP_W 32 #define CPU_DWT_COMP1_COMP_M 0xFFFFFFFF #define CPU_DWT_COMP1_COMP_S 0 //***************************************************************************** // // Register: CPU_DWT_O_MASK1 // //***************************************************************************** // Field: [3:0] MASK // // Mask on data address when matching against COMP1. This is the size of the // ignore mask. That is, DWT matching is performed as:(ADDR ANDed with (0xFFFF // left bit-shifted by MASK)) == COMP1. However, the actual comparison is // slightly more complex to enable matching an address wherever it appears on a // bus. So, if COMP1 is 3, this matches a word access of 0, because 3 would be // within the word. #define CPU_DWT_MASK1_MASK_W 4 #define CPU_DWT_MASK1_MASK_M 0x0000000F #define CPU_DWT_MASK1_MASK_S 0 //***************************************************************************** // // Register: CPU_DWT_O_FUNCTION1 // //***************************************************************************** // Field: [24] MATCHED // // This bit is set when the comparator matches, and indicates that the // operation defined by FUNCTION has occurred since this bit was last read. // This bit is cleared on read. #define CPU_DWT_FUNCTION1_MATCHED 0x01000000 #define CPU_DWT_FUNCTION1_MATCHED_BITN 24 #define CPU_DWT_FUNCTION1_MATCHED_M 0x01000000 #define CPU_DWT_FUNCTION1_MATCHED_S 24 // Field: [19:16] DATAVADDR1 // // Identity of a second linked address comparator for data value matching when // DATAVMATCH == 1 and LNK1ENA == 1. #define CPU_DWT_FUNCTION1_DATAVADDR1_W 4 #define CPU_DWT_FUNCTION1_DATAVADDR1_M 0x000F0000 #define CPU_DWT_FUNCTION1_DATAVADDR1_S 16 // Field: [15:12] DATAVADDR0 // // Identity of a linked address comparator for data value matching when // DATAVMATCH == 1. #define CPU_DWT_FUNCTION1_DATAVADDR0_W 4 #define CPU_DWT_FUNCTION1_DATAVADDR0_M 0x0000F000 #define CPU_DWT_FUNCTION1_DATAVADDR0_S 12 // Field: [11:10] DATAVSIZE // // Defines the size of the data in the COMP1 register that is to be matched: // // 0x0: Byte // 0x1: Halfword // 0x2: Word // 0x3: Unpredictable. #define CPU_DWT_FUNCTION1_DATAVSIZE_W 2 #define CPU_DWT_FUNCTION1_DATAVSIZE_M 0x00000C00 #define CPU_DWT_FUNCTION1_DATAVSIZE_S 10 // Field: [9] LNK1ENA // // Read only bit-field only supported in comparator 1. // // 0: DATAVADDR1 not supported // 1: DATAVADDR1 supported (enabled) #define CPU_DWT_FUNCTION1_LNK1ENA 0x00000200 #define CPU_DWT_FUNCTION1_LNK1ENA_BITN 9 #define CPU_DWT_FUNCTION1_LNK1ENA_M 0x00000200 #define CPU_DWT_FUNCTION1_LNK1ENA_S 9 // Field: [8] DATAVMATCH // // Data match feature: // // 0: Perform address comparison // 1: Perform data value compare. The comparators given by DATAVADDR0 and // DATAVADDR1 provide the address for the data comparison. The FUNCTION setting // for the comparators given by DATAVADDR0 and DATAVADDR1 are overridden and // those comparators only provide the address match for the data comparison. // // This bit is only available in comparator 1. #define CPU_DWT_FUNCTION1_DATAVMATCH 0x00000100 #define CPU_DWT_FUNCTION1_DATAVMATCH_BITN 8 #define CPU_DWT_FUNCTION1_DATAVMATCH_M 0x00000100 #define CPU_DWT_FUNCTION1_DATAVMATCH_S 8 // Field: [5] EMITRANGE // // Emit range field. This bit permits emitting offset when range match occurs. // PC sampling is not supported when emit range is enabled. // This field only applies for: FUNCTION = 1, 2, 3, 12, 13, 14, and 15. #define CPU_DWT_FUNCTION1_EMITRANGE 0x00000020 #define CPU_DWT_FUNCTION1_EMITRANGE_BITN 5 #define CPU_DWT_FUNCTION1_EMITRANGE_M 0x00000020 #define CPU_DWT_FUNCTION1_EMITRANGE_S 5 // Field: [3:0] FUNCTION // // Function settings: // // 0x0: Disabled // 0x1: EMITRANGE = 0, sample and emit PC through ITM. EMITRANGE = 1, emit // address offset through ITM // 0x2: EMITRANGE = 0, emit data through ITM on read and write. EMITRANGE = 1, // emit data and address offset through ITM on read or write. // 0x3: EMITRANGE = 0, sample PC and data value through ITM on read or write. // EMITRANGE = 1, emit address offset and data value through ITM on read or // write. // 0x4: Watchpoint on PC match. // 0x5: Watchpoint on read. // 0x6: Watchpoint on write. // 0x7: Watchpoint on read or write. // 0x8: ETM trigger on PC match // 0x9: ETM trigger on read // 0xA: ETM trigger on write // 0xB: ETM trigger on read or write // 0xC: EMITRANGE = 0, sample data for read transfers. EMITRANGE = 1, sample // Daddr (lower 16 bits) for read transfers // 0xD: EMITRANGE = 0, sample data for write transfers. EMITRANGE = 1, sample // Daddr (lower 16 bits) for write transfers // 0xE: EMITRANGE = 0, sample PC + data for read transfers. EMITRANGE = 1, // sample Daddr (lower 16 bits) + data for read transfers // 0xF: EMITRANGE = 0, sample PC + data for write transfers. EMITRANGE = 1, // sample Daddr (lower 16 bits) + data for write transfers // // Note 1: If the ETM is not fitted, then ETM trigger is not possible. // Note 2: Data value is only sampled for accesses that do not fault (MPU or // bus fault). The PC is sampled irrespective of any faults. The PC is only // sampled for the first address of a burst. // Note 3: FUNCTION is overridden for comparators given by DATAVADDR0 and // DATAVADDR1 if DATAVMATCH is also set. The comparators given by DATAVADDR0 // and DATAVADDR1 can then only perform address comparator matches for // comparator 1 data matches. // Note 4: If the data matching functionality is not included during // implementation it is not possible to set DATAVADDR0, DATAVADDR1, or // DATAVMATCH. This means that the data matching functionality is not available // in the implementation. Test the availability of data matching by writing and // reading DATAVMATCH. If it is not settable then data matching is unavailable. // Note 5: PC match is not recommended for watchpoints because it stops after // the instruction. It mainly guards and triggers the ETM. #define CPU_DWT_FUNCTION1_FUNCTION_W 4 #define CPU_DWT_FUNCTION1_FUNCTION_M 0x0000000F #define CPU_DWT_FUNCTION1_FUNCTION_S 0 //***************************************************************************** // // Register: CPU_DWT_O_COMP2 // //***************************************************************************** // Field: [31:0] COMP // // Reference value to compare against PC or the data address as given by // FUNCTION2. #define CPU_DWT_COMP2_COMP_W 32 #define CPU_DWT_COMP2_COMP_M 0xFFFFFFFF #define CPU_DWT_COMP2_COMP_S 0 //***************************************************************************** // // Register: CPU_DWT_O_MASK2 // //***************************************************************************** // Field: [3:0] MASK // // Mask on data address when matching against COMP2. This is the size of the // ignore mask. That is, DWT matching is performed as:(ADDR ANDed with (0xFFFF // left bit-shifted by MASK)) == COMP2. However, the actual comparison is // slightly more complex to enable matching an address wherever it appears on a // bus. So, if COMP2 is 3, this matches a word access of 0, because 3 would be // within the word. #define CPU_DWT_MASK2_MASK_W 4 #define CPU_DWT_MASK2_MASK_M 0x0000000F #define CPU_DWT_MASK2_MASK_S 0 //***************************************************************************** // // Register: CPU_DWT_O_FUNCTION2 // //***************************************************************************** // Field: [24] MATCHED // // This bit is set when the comparator matches, and indicates that the // operation defined by FUNCTION has occurred since this bit was last read. // This bit is cleared on read. #define CPU_DWT_FUNCTION2_MATCHED 0x01000000 #define CPU_DWT_FUNCTION2_MATCHED_BITN 24 #define CPU_DWT_FUNCTION2_MATCHED_M 0x01000000 #define CPU_DWT_FUNCTION2_MATCHED_S 24 // Field: [5] EMITRANGE // // Emit range field. This bit permits emitting offset when range match occurs. // PC sampling is not supported when emit range is enabled. // This field only applies for: FUNCTION = 1, 2, 3, 12, 13, 14, and 15. #define CPU_DWT_FUNCTION2_EMITRANGE 0x00000020 #define CPU_DWT_FUNCTION2_EMITRANGE_BITN 5 #define CPU_DWT_FUNCTION2_EMITRANGE_M 0x00000020 #define CPU_DWT_FUNCTION2_EMITRANGE_S 5 // Field: [3:0] FUNCTION // // Function settings. // // 0x0: Disabled // 0x1: EMITRANGE = 0, sample and emit PC through ITM. EMITRANGE = 1, emit // address offset through ITM // 0x2: EMITRANGE = 0, emit data through ITM on read and write. EMITRANGE = 1, // emit data and address offset through ITM on read or write. // 0x3: EMITRANGE = 0, sample PC and data value through ITM on read or write. // EMITRANGE = 1, emit address offset and data value through ITM on read or // write. // 0x4: Watchpoint on PC match. // 0x5: Watchpoint on read. // 0x6: Watchpoint on write. // 0x7: Watchpoint on read or write. // 0x8: ETM trigger on PC match // 0x9: ETM trigger on read // 0xA: ETM trigger on write // 0xB: ETM trigger on read or write // 0xC: EMITRANGE = 0, sample data for read transfers. EMITRANGE = 1, sample // Daddr (lower 16 bits) for read transfers // 0xD: EMITRANGE = 0, sample data for write transfers. EMITRANGE = 1, sample // Daddr (lower 16 bits) for write transfers // 0xE: EMITRANGE = 0, sample PC + data for read transfers. EMITRANGE = 1, // sample Daddr (lower 16 bits) + data for read transfers // 0xF: EMITRANGE = 0, sample PC + data for write transfers. EMITRANGE = 1, // sample Daddr (lower 16 bits) + data for write transfers // // Note 1: If the ETM is not fitted, then ETM trigger is not possible. // Note 2: Data value is only sampled for accesses that do not fault (MPU or // bus fault). The PC is sampled irrespective of any faults. The PC is only // sampled for the first address of a burst. // Note 3: PC match is not recommended for watchpoints because it stops after // the instruction. It mainly guards and triggers the ETM. #define CPU_DWT_FUNCTION2_FUNCTION_W 4 #define CPU_DWT_FUNCTION2_FUNCTION_M 0x0000000F #define CPU_DWT_FUNCTION2_FUNCTION_S 0 //***************************************************************************** // // Register: CPU_DWT_O_COMP3 // //***************************************************************************** // Field: [31:0] COMP // // Reference value to compare against PC or the data address as given by // FUNCTION3. #define CPU_DWT_COMP3_COMP_W 32 #define CPU_DWT_COMP3_COMP_M 0xFFFFFFFF #define CPU_DWT_COMP3_COMP_S 0 //***************************************************************************** // // Register: CPU_DWT_O_MASK3 // //***************************************************************************** // Field: [3:0] MASK // // Mask on data address when matching against COMP3. This is the size of the // ignore mask. That is, DWT matching is performed as:(ADDR ANDed with (0xFFFF // left bit-shifted by MASK)) == COMP3. However, the actual comparison is // slightly more complex to enable matching an address wherever it appears on a // bus. So, if COMP3 is 3, this matches a word access of 0, because 3 would be // within the word. #define CPU_DWT_MASK3_MASK_W 4 #define CPU_DWT_MASK3_MASK_M 0x0000000F #define CPU_DWT_MASK3_MASK_S 0 //***************************************************************************** // // Register: CPU_DWT_O_FUNCTION3 // //***************************************************************************** // Field: [24] MATCHED // // This bit is set when the comparator matches, and indicates that the // operation defined by FUNCTION has occurred since this bit was last read. // This bit is cleared on read. #define CPU_DWT_FUNCTION3_MATCHED 0x01000000 #define CPU_DWT_FUNCTION3_MATCHED_BITN 24 #define CPU_DWT_FUNCTION3_MATCHED_M 0x01000000 #define CPU_DWT_FUNCTION3_MATCHED_S 24 // Field: [5] EMITRANGE // // Emit range field. This bit permits emitting offset when range match occurs. // PC sampling is not supported when emit range is enabled. // This field only applies for: FUNCTION = 1, 2, 3, 12, 13, 14, and 15. #define CPU_DWT_FUNCTION3_EMITRANGE 0x00000020 #define CPU_DWT_FUNCTION3_EMITRANGE_BITN 5 #define CPU_DWT_FUNCTION3_EMITRANGE_M 0x00000020 #define CPU_DWT_FUNCTION3_EMITRANGE_S 5 // Field: [3:0] FUNCTION // // Function settings. // // 0x0: Disabled // 0x1: EMITRANGE = 0, sample and emit PC through ITM. EMITRANGE = 1, emit // address offset through ITM // 0x2: EMITRANGE = 0, emit data through ITM on read and write. EMITRANGE = 1, // emit data and address offset through ITM on read or write. // 0x3: EMITRANGE = 0, sample PC and data value through ITM on read or write. // EMITRANGE = 1, emit address offset and data value through ITM on read or // write. // 0x4: Watchpoint on PC match. // 0x5: Watchpoint on read. // 0x6: Watchpoint on write. // 0x7: Watchpoint on read or write. // 0x8: ETM trigger on PC match // 0x9: ETM trigger on read // 0xA: ETM trigger on write // 0xB: ETM trigger on read or write // 0xC: EMITRANGE = 0, sample data for read transfers. EMITRANGE = 1, sample // Daddr (lower 16 bits) for read transfers // 0xD: EMITRANGE = 0, sample data for write transfers. EMITRANGE = 1, sample // Daddr (lower 16 bits) for write transfers // 0xE: EMITRANGE = 0, sample PC + data for read transfers. EMITRANGE = 1, // sample Daddr (lower 16 bits) + data for read transfers // 0xF: EMITRANGE = 0, sample PC + data for write transfers. EMITRANGE = 1, // sample Daddr (lower 16 bits) + data for write transfers // // Note 1: If the ETM is not fitted, then ETM trigger is not possible. // Note 2: Data value is only sampled for accesses that do not fault (MPU or // bus fault). The PC is sampled irrespective of any faults. The PC is only // sampled for the first address of a burst. // Note 3: PC match is not recommended for watchpoints because it stops after // the instruction. It mainly guards and triggers the ETM. #define CPU_DWT_FUNCTION3_FUNCTION_W 4 #define CPU_DWT_FUNCTION3_FUNCTION_M 0x0000000F #define CPU_DWT_FUNCTION3_FUNCTION_S 0 #endif // __CPU_DWT__