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1 2 zero_gravi 
// #################################################################################################
2 
// # << NEORV32: neorv32.h - Main Core Library File >>                                             #
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// # ********************************************************************************************* #
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// # BSD 3-Clause License                                                                          #
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// #                                                                                               #
6 42 zero_gravi 
// # Copyright (c) 2021, Stephan Nolting. All rights reserved.                                     #
7 2 zero_gravi 
// #                                                                                               #
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// # Redistribution and use in source and binary forms, with or without modification, are          #
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// # permitted provided that the following conditions are met:                                     #
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// #                                                                                               #
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// # 1. Redistributions of source code must retain the above copyright notice, this list of        #
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// #    conditions and the following disclaimer.                                                   #
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// #                                                                                               #
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// # 2. Redistributions in binary form must reproduce the above copyright notice, this list of     #
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// #    conditions and the following disclaimer in the documentation and/or other materials        #
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// #    provided with the distribution.                                                            #
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// #                                                                                               #
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// # 3. Neither the name of the copyright holder nor the names of its contributors may be used to  #
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// #    endorse or promote products derived from this software without specific prior written      #
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// #    permission.                                                                                #
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// #                                                                                               #
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// # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS   #
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// # OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF               #
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// # MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE    #
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// # COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,     #
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// # EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE #
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// # GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED    #
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// # AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING     #
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// # NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED  #
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// # OF THE POSSIBILITY OF SUCH DAMAGE.                                                            #
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// # ********************************************************************************************* #
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// # The NEORV32 Processor - https://github.com/stnolting/neorv32              (c) Stephan Nolting #
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// #################################################################################################
34 
 
35 
 
36 
/**********************************************************************//**
37 
 * @file neorv32.h
38 
 * @author Stephan Nolting
39 
 *
40 20 zero_gravi 
 * @brief Main NEORV32 core library include file.
41 2 zero_gravi 
 **************************************************************************/
42 
 
43 
#ifndef neorv32_h
44 
#define neorv32_h
45 
 
46 
// Standard libraries
47 
#include <stdint.h>
48 
#include <inttypes.h>
49 
#include <limits.h>
50 
 
51 
 
52 
/**********************************************************************//**
53 
 * Available CPU Control and Status Registers (CSRs)
54 
 **************************************************************************/
55 42 zero_gravi 
enum NEORV32_CSR_enum {
56 
  CSR_MSTATUS        = 0x300, /**< 0x300 - mstatus    (r/w): Machine status register */
57 
  CSR_MISA           = 0x301, /**< 0x301 - misa       (r/-): CPU ISA and extensions (read-only in NEORV32) */
58 
  CSR_MIE            = 0x304, /**< 0x304 - mie        (r/w): Machine interrupt-enable register */
59 
  CSR_MTVEC          = 0x305, /**< 0x305 - mtvec      (r/w): Machine trap-handler base address (for ALL traps) */
60 
  CSR_MCOUNTEREN     = 0x306, /**< 0x305 - mcounteren (r/w): Machine counter enable register (controls access rights from U-mode) */
61 
  CSR_MSTATUSH       = 0x310, /**< 0x310 - mstatush   (r/-): Machine status register - high word */
62 2 zero_gravi 
 
63 42 zero_gravi 
  CSR_MCOUNTINHIBIT  = 0x320, /**< 0x320 - mcountinhibit (r/w): Machine counter-inhibit register */
64 2 zero_gravi 
 
65 42 zero_gravi 
  CSR_MHPMEVENT3     = 0x323, /**< 0x323 - mhpmevent3  (r/w): Machine hardware performance monitor event selector 3  */
66 
  CSR_MHPMEVENT4     = 0x324, /**< 0x324 - mhpmevent4  (r/w): Machine hardware performance monitor event selector 4  */
67 
  CSR_MHPMEVENT5     = 0x325, /**< 0x325 - mhpmevent5  (r/w): Machine hardware performance monitor event selector 5  */
68 
  CSR_MHPMEVENT6     = 0x326, /**< 0x326 - mhpmevent6  (r/w): Machine hardware performance monitor event selector 6  */
69 
  CSR_MHPMEVENT7     = 0x327, /**< 0x327 - mhpmevent7  (r/w): Machine hardware performance monitor event selector 7  */
70 
  CSR_MHPMEVENT8     = 0x328, /**< 0x328 - mhpmevent8  (r/w): Machine hardware performance monitor event selector 8  */
71 
  CSR_MHPMEVENT9     = 0x329, /**< 0x329 - mhpmevent9  (r/w): Machine hardware performance monitor event selector 9  */
72 
  CSR_MHPMEVENT10    = 0x32a, /**< 0x32a - mhpmevent10 (r/w): Machine hardware performance monitor event selector 10 */
73 
  CSR_MHPMEVENT11    = 0x32b, /**< 0x32b - mhpmevent11 (r/w): Machine hardware performance monitor event selector 11 */
74 
  CSR_MHPMEVENT12    = 0x32c, /**< 0x32c - mhpmevent12 (r/w): Machine hardware performance monitor event selector 12 */
75 
  CSR_MHPMEVENT13    = 0x32d, /**< 0x32d - mhpmevent13 (r/w): Machine hardware performance monitor event selector 13 */
76 
  CSR_MHPMEVENT14    = 0x32e, /**< 0x32e - mhpmevent14 (r/w): Machine hardware performance monitor event selector 14 */
77 
  CSR_MHPMEVENT15    = 0x32f, /**< 0x32f - mhpmevent15 (r/w): Machine hardware performance monitor event selector 15 */
78 
  CSR_MHPMEVENT16    = 0x330, /**< 0x330 - mhpmevent16 (r/w): Machine hardware performance monitor event selector 16 */
79 
  CSR_MHPMEVENT17    = 0x331, /**< 0x331 - mhpmevent17 (r/w): Machine hardware performance monitor event selector 17 */
80 
  CSR_MHPMEVENT18    = 0x332, /**< 0x332 - mhpmevent18 (r/w): Machine hardware performance monitor event selector 18 */
81 
  CSR_MHPMEVENT19    = 0x333, /**< 0x333 - mhpmevent19 (r/w): Machine hardware performance monitor event selector 19 */
82 
  CSR_MHPMEVENT20    = 0x334, /**< 0x334 - mhpmevent20 (r/w): Machine hardware performance monitor event selector 20 */
83 
  CSR_MHPMEVENT21    = 0x335, /**< 0x335 - mhpmevent21 (r/w): Machine hardware performance monitor event selector 21 */
84 
  CSR_MHPMEVENT22    = 0x336, /**< 0x336 - mhpmevent22 (r/w): Machine hardware performance monitor event selector 22 */
85 
  CSR_MHPMEVENT23    = 0x337, /**< 0x337 - mhpmevent23 (r/w): Machine hardware performance monitor event selector 23 */
86 
  CSR_MHPMEVENT24    = 0x338, /**< 0x338 - mhpmevent24 (r/w): Machine hardware performance monitor event selector 24 */
87 
  CSR_MHPMEVENT25    = 0x339, /**< 0x339 - mhpmevent25 (r/w): Machine hardware performance monitor event selector 25 */
88 
  CSR_MHPMEVENT26    = 0x33a, /**< 0x33a - mhpmevent26 (r/w): Machine hardware performance monitor event selector 26 */
89 
  CSR_MHPMEVENT27    = 0x33b, /**< 0x33b - mhpmevent27 (r/w): Machine hardware performance monitor event selector 27 */
90 
  CSR_MHPMEVENT28    = 0x33c, /**< 0x33c - mhpmevent28 (r/w): Machine hardware performance monitor event selector 28 */
91 
  CSR_MHPMEVENT29    = 0x33d, /**< 0x33d - mhpmevent29 (r/w): Machine hardware performance monitor event selector 29 */
92 
  CSR_MHPMEVENT30    = 0x33e, /**< 0x33e - mhpmevent30 (r/w): Machine hardware performance monitor event selector 30 */
93 
  CSR_MHPMEVENT31    = 0x33f, /**< 0x33f - mhpmevent31 (r/w): Machine hardware performance monitor event selector 31 */
94 15 zero_gravi 
 
95 42 zero_gravi 
  CSR_MSCRATCH       = 0x340, /**< 0x340 - mscratch (r/w): Machine scratch register */
96 
  CSR_MEPC           = 0x341, /**< 0x341 - mepc     (r/w): Machine exception program counter */
97 
  CSR_MCAUSE         = 0x342, /**< 0x342 - mcause   (r/w): Machine trap cause */
98 
  CSR_MTVAL          = 0x343, /**< 0x343 - mtval    (r/w): Machine bad address or instruction */
99 
  CSR_MIP            = 0x344, /**< 0x344 - mip      (r/w): Machine interrupt pending register */
100 15 zero_gravi 
 
101 42 zero_gravi 
  CSR_PMPCFG0        = 0x3a0, /**< 0x3a0 - pmpcfg0  (r/w): Physical memory protection configuration register 0  */
102 
  CSR_PMPCFG1        = 0x3a1, /**< 0x3a1 - pmpcfg1  (r/w): Physical memory protection configuration register 1  */
103 
  CSR_PMPCFG2        = 0x3a2, /**< 0x3a2 - pmpcfg2  (r/w): Physical memory protection configuration register 2  */
104 
  CSR_PMPCFG3        = 0x3a3, /**< 0x3a3 - pmpcfg3  (r/w): Physical memory protection configuration register 3  */
105 
  CSR_PMPCFG4        = 0x3a4, /**< 0x3a4 - pmpcfg4  (r/w): Physical memory protection configuration register 4  */
106 
  CSR_PMPCFG5        = 0x3a5, /**< 0x3a5 - pmpcfg5  (r/w): Physical memory protection configuration register 5  */
107 
  CSR_PMPCFG6        = 0x3a6, /**< 0x3a6 - pmpcfg6  (r/w): Physical memory protection configuration register 6  */
108 
  CSR_PMPCFG7        = 0x3a7, /**< 0x3a7 - pmpcfg7  (r/w): Physical memory protection configuration register 7  */
109 
  CSR_PMPCFG8        = 0x3a8, /**< 0x3a8 - pmpcfg8  (r/w): Physical memory protection configuration register 8  */
110 
  CSR_PMPCFG9        = 0x3a9, /**< 0x3a9 - pmpcfg9  (r/w): Physical memory protection configuration register 9  */
111 
  CSR_PMPCFG10       = 0x3aa, /**< 0x3aa - pmpcfg10 (r/w): Physical memory protection configuration register 10 */
112 
  CSR_PMPCFG11       = 0x3ab, /**< 0x3ab - pmpcfg11 (r/w): Physical memory protection configuration register 11 */
113 
  CSR_PMPCFG12       = 0x3ac, /**< 0x3ac - pmpcfg12 (r/w): Physical memory protection configuration register 12 */
114 
  CSR_PMPCFG13       = 0x3ad, /**< 0x3ad - pmpcfg13 (r/w): Physical memory protection configuration register 13 */
115 
  CSR_PMPCFG14       = 0x3ae, /**< 0x3ae - pmpcfg14 (r/w): Physical memory protection configuration register 14 */
116 
  CSR_PMPCFG15       = 0x3af, /**< 0x3af - pmpcfg15 (r/w): Physical memory protection configuration register 15 */
117 18 zero_gravi 
 
118 42 zero_gravi 
  CSR_PMPADDR0       = 0x3b0, /**< 0x3b0 - pmpaddr0  (r/w): Physical memory protection address register 0  */
119 
  CSR_PMPADDR1       = 0x3b1, /**< 0x3b1 - pmpaddr1  (r/w): Physical memory protection address register 1  */
120 
  CSR_PMPADDR2       = 0x3b2, /**< 0x3b2 - pmpaddr2  (r/w): Physical memory protection address register 2  */
121 
  CSR_PMPADDR3       = 0x3b3, /**< 0x3b3 - pmpaddr3  (r/w): Physical memory protection address register 3  */
122 
  CSR_PMPADDR4       = 0x3b4, /**< 0x3b4 - pmpaddr4  (r/w): Physical memory protection address register 4  */
123 
  CSR_PMPADDR5       = 0x3b5, /**< 0x3b5 - pmpaddr5  (r/w): Physical memory protection address register 5  */
124 
  CSR_PMPADDR6       = 0x3b6, /**< 0x3b6 - pmpaddr6  (r/w): Physical memory protection address register 6  */
125 
  CSR_PMPADDR7       = 0x3b7, /**< 0x3b7 - pmpaddr7  (r/w): Physical memory protection address register 7  */
126 
  CSR_PMPADDR8       = 0x3b8, /**< 0x3b8 - pmpaddr8  (r/w): Physical memory protection address register 8  */
127 
  CSR_PMPADDR9       = 0x3b9, /**< 0x3b9 - pmpaddr9  (r/w): Physical memory protection address register 9  */
128 
  CSR_PMPADDR10      = 0x3ba, /**< 0x3ba - pmpaddr10 (r/w): Physical memory protection address register 10 */
129 
  CSR_PMPADDR11      = 0x3bb, /**< 0x3bb - pmpaddr11 (r/w): Physical memory protection address register 11 */
130 
  CSR_PMPADDR12      = 0x3bc, /**< 0x3bc - pmpaddr12 (r/w): Physical memory protection address register 12 */
131 
  CSR_PMPADDR13      = 0x3bd, /**< 0x3bd - pmpaddr13 (r/w): Physical memory protection address register 13 */
132 
  CSR_PMPADDR14      = 0x3be, /**< 0x3be - pmpaddr14 (r/w): Physical memory protection address register 14 */
133 
  CSR_PMPADDR15      = 0x3bf, /**< 0x3bf - pmpaddr15 (r/w): Physical memory protection address register 15 */
134 
  CSR_PMPADDR16      = 0x3c0, /**< 0x3c0 - pmpaddr16 (r/w): Physical memory protection address register 16 */
135 
  CSR_PMPADDR17      = 0x3c1, /**< 0x3c1 - pmpaddr17 (r/w): Physical memory protection address register 17 */
136 
  CSR_PMPADDR18      = 0x3c2, /**< 0x3c2 - pmpaddr18 (r/w): Physical memory protection address register 18 */
137 
  CSR_PMPADDR19      = 0x3c3, /**< 0x3c3 - pmpaddr19 (r/w): Physical memory protection address register 19 */
138 
  CSR_PMPADDR20      = 0x3c4, /**< 0x3c4 - pmpaddr20 (r/w): Physical memory protection address register 20 */
139 
  CSR_PMPADDR21      = 0x3c5, /**< 0x3c5 - pmpaddr21 (r/w): Physical memory protection address register 21 */
140 
  CSR_PMPADDR22      = 0x3c6, /**< 0x3c6 - pmpaddr22 (r/w): Physical memory protection address register 22 */
141 
  CSR_PMPADDR23      = 0x3c7, /**< 0x3c7 - pmpaddr23 (r/w): Physical memory protection address register 23 */
142 
  CSR_PMPADDR24      = 0x3c8, /**< 0x3c8 - pmpaddr24 (r/w): Physical memory protection address register 24 */
143 
  CSR_PMPADDR25      = 0x3c9, /**< 0x3c9 - pmpaddr25 (r/w): Physical memory protection address register 25 */
144 
  CSR_PMPADDR26      = 0x3ca, /**< 0x3ca - pmpaddr26 (r/w): Physical memory protection address register 26 */
145 
  CSR_PMPADDR27      = 0x3cb, /**< 0x3cb - pmpaddr27 (r/w): Physical memory protection address register 27 */
146 
  CSR_PMPADDR28      = 0x3cc, /**< 0x3cc - pmpaddr28 (r/w): Physical memory protection address register 28 */
147 
  CSR_PMPADDR29      = 0x3cd, /**< 0x3cd - pmpaddr29 (r/w): Physical memory protection address register 29 */
148 
  CSR_PMPADDR30      = 0x3ce, /**< 0x3ce - pmpaddr30 (r/w): Physical memory protection address register 30 */
149 
  CSR_PMPADDR31      = 0x3cf, /**< 0x3cf - pmpaddr31 (r/w): Physical memory protection address register 31 */
150 
  CSR_PMPADDR32      = 0x3d0, /**< 0x3d0 - pmpaddr32 (r/w): Physical memory protection address register 32 */
151 
  CSR_PMPADDR33      = 0x3d1, /**< 0x3d1 - pmpaddr33 (r/w): Physical memory protection address register 33 */
152 
  CSR_PMPADDR34      = 0x3d2, /**< 0x3d2 - pmpaddr34 (r/w): Physical memory protection address register 34 */
153 
  CSR_PMPADDR35      = 0x3d3, /**< 0x3d3 - pmpaddr35 (r/w): Physical memory protection address register 35 */
154 
  CSR_PMPADDR36      = 0x3d4, /**< 0x3d4 - pmpaddr36 (r/w): Physical memory protection address register 36 */
155 
  CSR_PMPADDR37      = 0x3d5, /**< 0x3d5 - pmpaddr37 (r/w): Physical memory protection address register 37 */
156 
  CSR_PMPADDR38      = 0x3d6, /**< 0x3d6 - pmpaddr38 (r/w): Physical memory protection address register 38 */
157 
  CSR_PMPADDR39      = 0x3d7, /**< 0x3d7 - pmpaddr39 (r/w): Physical memory protection address register 39 */
158 
  CSR_PMPADDR40      = 0x3d8, /**< 0x3d8 - pmpaddr40 (r/w): Physical memory protection address register 40 */
159 
  CSR_PMPADDR41      = 0x3d9, /**< 0x3d9 - pmpaddr41 (r/w): Physical memory protection address register 41 */
160 
  CSR_PMPADDR42      = 0x3da, /**< 0x3da - pmpaddr42 (r/w): Physical memory protection address register 42 */
161 
  CSR_PMPADDR43      = 0x3db, /**< 0x3db - pmpaddr43 (r/w): Physical memory protection address register 43 */
162 
  CSR_PMPADDR44      = 0x3dc, /**< 0x3dc - pmpaddr44 (r/w): Physical memory protection address register 44 */
163 
  CSR_PMPADDR45      = 0x3dd, /**< 0x3dd - pmpaddr45 (r/w): Physical memory protection address register 45 */
164 
  CSR_PMPADDR46      = 0x3de, /**< 0x3de - pmpaddr46 (r/w): Physical memory protection address register 46 */
165 
  CSR_PMPADDR47      = 0x3df, /**< 0x3df - pmpaddr47 (r/w): Physical memory protection address register 47 */
166 
  CSR_PMPADDR48      = 0x3e0, /**< 0x3e0 - pmpaddr48 (r/w): Physical memory protection address register 48 */
167 
  CSR_PMPADDR49      = 0x3e1, /**< 0x3e1 - pmpaddr49 (r/w): Physical memory protection address register 49 */
168 
  CSR_PMPADDR50      = 0x3e2, /**< 0x3e2 - pmpaddr50 (r/w): Physical memory protection address register 50 */
169 
  CSR_PMPADDR51      = 0x3e3, /**< 0x3e3 - pmpaddr51 (r/w): Physical memory protection address register 51 */
170 
  CSR_PMPADDR52      = 0x3e4, /**< 0x3e4 - pmpaddr52 (r/w): Physical memory protection address register 52 */
171 
  CSR_PMPADDR53      = 0x3e5, /**< 0x3e5 - pmpaddr53 (r/w): Physical memory protection address register 53 */
172 
  CSR_PMPADDR54      = 0x3e6, /**< 0x3e6 - pmpaddr54 (r/w): Physical memory protection address register 54 */
173 
  CSR_PMPADDR55      = 0x3e7, /**< 0x3e7 - pmpaddr55 (r/w): Physical memory protection address register 55 */
174 
  CSR_PMPADDR56      = 0x3e8, /**< 0x3e8 - pmpaddr56 (r/w): Physical memory protection address register 56 */
175 
  CSR_PMPADDR57      = 0x3e9, /**< 0x3e9 - pmpaddr57 (r/w): Physical memory protection address register 57 */
176 
  CSR_PMPADDR58      = 0x3ea, /**< 0x3ea - pmpaddr58 (r/w): Physical memory protection address register 58 */
177 
  CSR_PMPADDR59      = 0x3eb, /**< 0x3eb - pmpaddr59 (r/w): Physical memory protection address register 59 */
178 
  CSR_PMPADDR60      = 0x3ec, /**< 0x3ec - pmpaddr60 (r/w): Physical memory protection address register 60 */
179 
  CSR_PMPADDR61      = 0x3ed, /**< 0x3ed - pmpaddr61 (r/w): Physical memory protection address register 61 */
180 
  CSR_PMPADDR62      = 0x3ee, /**< 0x3ee - pmpaddr62 (r/w): Physical memory protection address register 62 */
181 
  CSR_PMPADDR63      = 0x3ef, /**< 0x3ef - pmpaddr63 (r/w): Physical memory protection address register 63 */
182 2 zero_gravi 
 
183 42 zero_gravi 
  CSR_MCYCLE         = 0xb00, /**< 0xb00 - mcycle        (r/w): Machine cycle counter low word */
184 
  CSR_MINSTRET       = 0xb02, /**< 0xb02 - minstret      (r/w): Machine instructions-retired counter low word */
185 2 zero_gravi 
 
186 42 zero_gravi 
  CSR_MHPMCOUNTER3   = 0xb03, /**< 0xb03 - mhpmcounter3  (r/w): Machine hardware performance monitor 3  counter low word */
187 
  CSR_MHPMCOUNTER4   = 0xb04, /**< 0xb04 - mhpmcounter4  (r/w): Machine hardware performance monitor 4  counter low word */
188 
  CSR_MHPMCOUNTER5   = 0xb05, /**< 0xb05 - mhpmcounter5  (r/w): Machine hardware performance monitor 5  counter low word */
189 
  CSR_MHPMCOUNTER6   = 0xb06, /**< 0xb06 - mhpmcounter6  (r/w): Machine hardware performance monitor 6  counter low word */
190 
  CSR_MHPMCOUNTER7   = 0xb07, /**< 0xb07 - mhpmcounter7  (r/w): Machine hardware performance monitor 7  counter low word */
191 
  CSR_MHPMCOUNTER8   = 0xb08, /**< 0xb08 - mhpmcounter8  (r/w): Machine hardware performance monitor 8  counter low word */
192 
  CSR_MHPMCOUNTER9   = 0xb09, /**< 0xb09 - mhpmcounter9  (r/w): Machine hardware performance monitor 9  counter low word */
193 
  CSR_MHPMCOUNTER10  = 0xb0a, /**< 0xb0a - mhpmcounter10 (r/w): Machine hardware performance monitor 10 counter low word */
194 
  CSR_MHPMCOUNTER11  = 0xb0b, /**< 0xb0b - mhpmcounter11 (r/w): Machine hardware performance monitor 11 counter low word */
195 
  CSR_MHPMCOUNTER12  = 0xb0c, /**< 0xb0c - mhpmcounter12 (r/w): Machine hardware performance monitor 12 counter low word */
196 
  CSR_MHPMCOUNTER13  = 0xb0d, /**< 0xb0d - mhpmcounter13 (r/w): Machine hardware performance monitor 13 counter low word */
197 
  CSR_MHPMCOUNTER14  = 0xb0e, /**< 0xb0e - mhpmcounter14 (r/w): Machine hardware performance monitor 14 counter low word */
198 
  CSR_MHPMCOUNTER15  = 0xb0f, /**< 0xb0f - mhpmcounter15 (r/w): Machine hardware performance monitor 15 counter low word */
199 
  CSR_MHPMCOUNTER16  = 0xb10, /**< 0xb10 - mhpmcounter16 (r/w): Machine hardware performance monitor 16 counter low word */
200 
  CSR_MHPMCOUNTER17  = 0xb11, /**< 0xb11 - mhpmcounter17 (r/w): Machine hardware performance monitor 17 counter low word */
201 
  CSR_MHPMCOUNTER18  = 0xb12, /**< 0xb12 - mhpmcounter18 (r/w): Machine hardware performance monitor 18 counter low word */
202 
  CSR_MHPMCOUNTER19  = 0xb13, /**< 0xb13 - mhpmcounter19 (r/w): Machine hardware performance monitor 19 counter low word */
203 
  CSR_MHPMCOUNTER20  = 0xb14, /**< 0xb14 - mhpmcounter20 (r/w): Machine hardware performance monitor 20 counter low word */
204 
  CSR_MHPMCOUNTER21  = 0xb15, /**< 0xb15 - mhpmcounter21 (r/w): Machine hardware performance monitor 21 counter low word */
205 
  CSR_MHPMCOUNTER22  = 0xb16, /**< 0xb16 - mhpmcounter22 (r/w): Machine hardware performance monitor 22 counter low word */
206 
  CSR_MHPMCOUNTER23  = 0xb17, /**< 0xb17 - mhpmcounter23 (r/w): Machine hardware performance monitor 23 counter low word */
207 
  CSR_MHPMCOUNTER24  = 0xb18, /**< 0xb18 - mhpmcounter24 (r/w): Machine hardware performance monitor 24 counter low word */
208 
  CSR_MHPMCOUNTER25  = 0xb19, /**< 0xb19 - mhpmcounter25 (r/w): Machine hardware performance monitor 25 counter low word */
209 
  CSR_MHPMCOUNTER26  = 0xb1a, /**< 0xb1a - mhpmcounter26 (r/w): Machine hardware performance monitor 26 counter low word */
210 
  CSR_MHPMCOUNTER27  = 0xb1b, /**< 0xb1b - mhpmcounter27 (r/w): Machine hardware performance monitor 27 counter low word */
211 
  CSR_MHPMCOUNTER28  = 0xb1c, /**< 0xb1c - mhpmcounter28 (r/w): Machine hardware performance monitor 28 counter low word */
212 
  CSR_MHPMCOUNTER29  = 0xb1d, /**< 0xb1d - mhpmcounter29 (r/w): Machine hardware performance monitor 29 counter low word */
213 
  CSR_MHPMCOUNTER30  = 0xb1e, /**< 0xb1e - mhpmcounter30 (r/w): Machine hardware performance monitor 30 counter low word */
214 
  CSR_MHPMCOUNTER31  = 0xb1f, /**< 0xb1f - mhpmcounter31 (r/w): Machine hardware performance monitor 31 counter low word */
215 2 zero_gravi 
 
216 42 zero_gravi 
  CSR_MCYCLEH        = 0xb80, /**< 0xb80 - mcycleh        (r/w): Machine cycle counter high word */
217 
  CSR_MINSTRETH      = 0xb82, /**< 0xb82 - minstreth      (r/w): Machine instructions-retired counter high word */
218 22 zero_gravi 
 
219 42 zero_gravi 
  CSR_MHPMCOUNTER3H  = 0xb83, /**< 0xb83 - mhpmcounter3h  (r/w): Machine hardware performance monitor 3  counter high word */
220 
  CSR_MHPMCOUNTER4H  = 0xb84, /**< 0xb84 - mhpmcounter4h  (r/w): Machine hardware performance monitor 4  counter high word */
221 
  CSR_MHPMCOUNTER5H  = 0xb85, /**< 0xb85 - mhpmcounter5h  (r/w): Machine hardware performance monitor 5  counter high word */
222 
  CSR_MHPMCOUNTER6H  = 0xb86, /**< 0xb86 - mhpmcounter6h  (r/w): Machine hardware performance monitor 6  counter high word */
223 
  CSR_MHPMCOUNTER7H  = 0xb87, /**< 0xb87 - mhpmcounter7h  (r/w): Machine hardware performance monitor 7  counter high word */
224 
  CSR_MHPMCOUNTER8H  = 0xb88, /**< 0xb88 - mhpmcounter8h  (r/w): Machine hardware performance monitor 8  counter high word */
225 
  CSR_MHPMCOUNTER9H  = 0xb89, /**< 0xb89 - mhpmcounter9h  (r/w): Machine hardware performance monitor 9  counter high word */
226 
  CSR_MHPMCOUNTER10H = 0xb8a, /**< 0xb8a - mhpmcounter10h (r/w): Machine hardware performance monitor 10 counter high word */
227 
  CSR_MHPMCOUNTER11H = 0xb8b, /**< 0xb8b - mhpmcounter11h (r/w): Machine hardware performance monitor 11 counter high word */
228 
  CSR_MHPMCOUNTER12H = 0xb8c, /**< 0xb8c - mhpmcounter12h (r/w): Machine hardware performance monitor 12 counter high word */
229 
  CSR_MHPMCOUNTER13H = 0xb8d, /**< 0xb8d - mhpmcounter13h (r/w): Machine hardware performance monitor 13 counter high word */
230 
  CSR_MHPMCOUNTER14H = 0xb8e, /**< 0xb8e - mhpmcounter14h (r/w): Machine hardware performance monitor 14 counter high word */
231 
  CSR_MHPMCOUNTER15H = 0xb8f, /**< 0xb8f - mhpmcounter15h (r/w): Machine hardware performance monitor 15 counter high word */
232 
  CSR_MHPMCOUNTER16H = 0xb90, /**< 0xb90 - mhpmcounter16h (r/w): Machine hardware performance monitor 16 counter high word */
233 
  CSR_MHPMCOUNTER17H = 0xb91, /**< 0xb91 - mhpmcounter17h (r/w): Machine hardware performance monitor 17 counter high word */
234 
  CSR_MHPMCOUNTER18H = 0xb92, /**< 0xb92 - mhpmcounter18h (r/w): Machine hardware performance monitor 18 counter high word */
235 
  CSR_MHPMCOUNTER19H = 0xb93, /**< 0xb93 - mhpmcounter19h (r/w): Machine hardware performance monitor 19 counter high word */
236 
  CSR_MHPMCOUNTER20H = 0xb94, /**< 0xb94 - mhpmcounter20h (r/w): Machine hardware performance monitor 20 counter high word */
237 
  CSR_MHPMCOUNTER21H = 0xb95, /**< 0xb95 - mhpmcounter21h (r/w): Machine hardware performance monitor 21 counter high word */
238 
  CSR_MHPMCOUNTER22H = 0xb96, /**< 0xb96 - mhpmcounter22h (r/w): Machine hardware performance monitor 22 counter high word */
239 
  CSR_MHPMCOUNTER23H = 0xb97, /**< 0xb97 - mhpmcounter23h (r/w): Machine hardware performance monitor 23 counter high word */
240 
  CSR_MHPMCOUNTER24H = 0xb98, /**< 0xb98 - mhpmcounter24h (r/w): Machine hardware performance monitor 24 counter high word */
241 
  CSR_MHPMCOUNTER25H = 0xb99, /**< 0xb99 - mhpmcounter25h (r/w): Machine hardware performance monitor 25 counter high word */
242 
  CSR_MHPMCOUNTER26H = 0xb9a, /**< 0xb9a - mhpmcounter26h (r/w): Machine hardware performance monitor 26 counter high word */
243 
  CSR_MHPMCOUNTER27H = 0xb9b, /**< 0xb9b - mhpmcounter27h (r/w): Machine hardware performance monitor 27 counter high word */
244 
  CSR_MHPMCOUNTER28H = 0xb9c, /**< 0xb9c - mhpmcounter28h (r/w): Machine hardware performance monitor 28 counter high word */
245 
  CSR_MHPMCOUNTER29H = 0xb9d, /**< 0xb9d - mhpmcounter29h (r/w): Machine hardware performance monitor 29 counter high word */
246 
  CSR_MHPMCOUNTER30H = 0xb9e, /**< 0xb9e - mhpmcounter30h (r/w): Machine hardware performance monitor 30 counter high word */
247 
  CSR_MHPMCOUNTER31H = 0xb9f, /**< 0xb9f - mhpmcounter31h (r/w): Machine hardware performance monitor 31 counter high word */
248 41 zero_gravi 
 
249 42 zero_gravi 
  CSR_CYCLE          = 0xc00, /**< 0xc00 - cycle        (r/-): Cycle counter low word (from MCYCLE) */
250 
  CSR_TIME           = 0xc01, /**< 0xc01 - time         (r/-): Timer low word (from MTIME.TIME_LO) */
251 
  CSR_INSTRET        = 0xc02, /**< 0xc02 - instret      (r/-): Instructions-retired counter low word (from MINSTRET) */
252 
 
253 
  CSR_HPMCOUNTER3    = 0xc03, /**< 0xc03 - hpmcounter3  (r/w): Hardware performance monitor 3  counter low word */
254 
  CSR_HPMCOUNTER4    = 0xc04, /**< 0xc04 - hpmcounter4  (r/w): Hardware performance monitor 4  counter low word */
255 
  CSR_HPMCOUNTER5    = 0xc05, /**< 0xc05 - hpmcounter5  (r/w): Hardware performance monitor 5  counter low word */
256 
  CSR_HPMCOUNTER6    = 0xc06, /**< 0xc06 - hpmcounter6  (r/w): Hardware performance monitor 6  counter low word */
257 
  CSR_HPMCOUNTER7    = 0xc07, /**< 0xc07 - hpmcounter7  (r/w): Hardware performance monitor 7  counter low word */
258 
  CSR_HPMCOUNTER8    = 0xc08, /**< 0xc08 - hpmcounter8  (r/w): Hardware performance monitor 8  counter low word */
259 
  CSR_HPMCOUNTER9    = 0xc09, /**< 0xc09 - hpmcounter9  (r/w): Hardware performance monitor 9  counter low word */
260 
  CSR_HPMCOUNTER10   = 0xc0a, /**< 0xc0a - hpmcounter10 (r/w): Hardware performance monitor 10 counter low word */
261 
  CSR_HPMCOUNTER11   = 0xc0b, /**< 0xc0b - hpmcounter11 (r/w): Hardware performance monitor 11 counter low word */
262 
  CSR_HPMCOUNTER12   = 0xc0c, /**< 0xc0c - hpmcounter12 (r/w): Hardware performance monitor 12 counter low word */
263 
  CSR_HPMCOUNTER13   = 0xc0d, /**< 0xc0d - hpmcounter13 (r/w): Hardware performance monitor 13 counter low word */
264 
  CSR_HPMCOUNTER14   = 0xc0e, /**< 0xc0e - hpmcounter14 (r/w): Hardware performance monitor 14 counter low word */
265 
  CSR_HPMCOUNTER15   = 0xc0f, /**< 0xc0f - hpmcounter15 (r/w): Hardware performance monitor 15 counter low word */
266 
  CSR_HPMCOUNTER16   = 0xc10, /**< 0xc10 - hpmcounter16 (r/w): Hardware performance monitor 16 counter low word */
267 
  CSR_HPMCOUNTER17   = 0xc11, /**< 0xc11 - hpmcounter17 (r/w): Hardware performance monitor 17 counter low word */
268 
  CSR_HPMCOUNTER18   = 0xc12, /**< 0xc12 - hpmcounter18 (r/w): Hardware performance monitor 18 counter low word */
269 
  CSR_HPMCOUNTER19   = 0xc13, /**< 0xc13 - hpmcounter19 (r/w): Hardware performance monitor 19 counter low word */
270 
  CSR_HPMCOUNTER20   = 0xc14, /**< 0xc14 - hpmcounter20 (r/w): Hardware performance monitor 20 counter low word */
271 
  CSR_HPMCOUNTER21   = 0xc15, /**< 0xc15 - hpmcounter21 (r/w): Hardware performance monitor 21 counter low word */
272 
  CSR_HPMCOUNTER22   = 0xc16, /**< 0xc16 - hpmcounter22 (r/w): Hardware performance monitor 22 counter low word */
273 
  CSR_HPMCOUNTER23   = 0xc17, /**< 0xc17 - hpmcounter23 (r/w): Hardware performance monitor 23 counter low word */
274 
  CSR_HPMCOUNTER24   = 0xc18, /**< 0xc18 - hpmcounter24 (r/w): Hardware performance monitor 24 counter low word */
275 
  CSR_HPMCOUNTER25   = 0xc19, /**< 0xc19 - hpmcounter25 (r/w): Hardware performance monitor 25 counter low word */
276 
  CSR_HPMCOUNTER26   = 0xc1a, /**< 0xc1a - hpmcounter26 (r/w): Hardware performance monitor 26 counter low word */
277 
  CSR_HPMCOUNTER27   = 0xc1b, /**< 0xc1b - hpmcounter27 (r/w): Hardware performance monitor 27 counter low word */
278 
  CSR_HPMCOUNTER28   = 0xc1c, /**< 0xc1c - hpmcounter28 (r/w): Hardware performance monitor 28 counter low word */
279 
  CSR_HPMCOUNTER29   = 0xc1d, /**< 0xc1d - hpmcounter29 (r/w): Hardware performance monitor 29 counter low word */
280 
  CSR_HPMCOUNTER30   = 0xc1e, /**< 0xc1e - hpmcounter30 (r/w): Hardware performance monitor 30 counter low word */
281 
  CSR_HPMCOUNTER31   = 0xc1f, /**< 0xc1f - hpmcounter31 (r/w): Hardware performance monitor 31 counter low word */
282 
 
283 
  CSR_CYCLEH         = 0xc80, /**< 0xc80 - cycleh        (r/-): Cycle counter high word (from MCYCLEH) */
284 
  CSR_TIMEH          = 0xc81, /**< 0xc81 - timeh         (r/-): Timer high word (from MTIME.TIME_HI) */
285 
  CSR_INSTRETH       = 0xc82, /**< 0xc82 - instreth      (r/-): Instructions-retired counter high word (from MINSTRETH) */
286 
 
287 
  CSR_HPMCOUNTER3H   = 0xc83, /**< 0xc83 - hpmcounter3h  (r/w): Hardware performance monitor 3  counter high word */
288 
  CSR_HPMCOUNTER4H   = 0xc84, /**< 0xc84 - hpmcounter4h  (r/w): Hardware performance monitor 4  counter high word */
289 
  CSR_HPMCOUNTER5H   = 0xc85, /**< 0xc85 - hpmcounter5h  (r/w): Hardware performance monitor 5  counter high word */
290 
  CSR_HPMCOUNTER6H   = 0xc86, /**< 0xc86 - hpmcounter6h  (r/w): Hardware performance monitor 6  counter high word */
291 
  CSR_HPMCOUNTER7H   = 0xc87, /**< 0xc87 - hpmcounter7h  (r/w): Hardware performance monitor 7  counter high word */
292 
  CSR_HPMCOUNTER8H   = 0xc88, /**< 0xc88 - hpmcounter8h  (r/w): Hardware performance monitor 8  counter high word */
293 
  CSR_HPMCOUNTER9H   = 0xc89, /**< 0xc89 - hpmcounter9h  (r/w): Hardware performance monitor 9  counter high word */
294 
  CSR_HPMCOUNTER10H  = 0xc8a, /**< 0xc8a - hpmcounter10h (r/w): Hardware performance monitor 10 counter high word */
295 
  CSR_HPMCOUNTER11H  = 0xc8b, /**< 0xc8b - hpmcounter11h (r/w): Hardware performance monitor 11 counter high word */
296 
  CSR_HPMCOUNTER12H  = 0xc8c, /**< 0xc8c - hpmcounter12h (r/w): Hardware performance monitor 12 counter high word */
297 
  CSR_HPMCOUNTER13H  = 0xc8d, /**< 0xc8d - hpmcounter13h (r/w): Hardware performance monitor 13 counter high word */
298 
  CSR_HPMCOUNTER14H  = 0xc8e, /**< 0xc8e - hpmcounter14h (r/w): Hardware performance monitor 14 counter high word */
299 
  CSR_HPMCOUNTER15H  = 0xc8f, /**< 0xc8f - hpmcounter15h (r/w): Hardware performance monitor 15 counter high word */
300 
  CSR_HPMCOUNTER16H  = 0xc90, /**< 0xc90 - hpmcounter16h (r/w): Hardware performance monitor 16 counter high word */
301 
  CSR_HPMCOUNTER17H  = 0xc91, /**< 0xc91 - hpmcounter17h (r/w): Hardware performance monitor 17 counter high word */
302 
  CSR_HPMCOUNTER18H  = 0xc92, /**< 0xc92 - hpmcounter18h (r/w): Hardware performance monitor 18 counter high word */
303 
  CSR_HPMCOUNTER19H  = 0xc93, /**< 0xc93 - hpmcounter19h (r/w): Hardware performance monitor 19 counter high word */
304 
  CSR_HPMCOUNTER20H  = 0xc94, /**< 0xc94 - hpmcounter20h (r/w): Hardware performance monitor 20 counter high word */
305 
  CSR_HPMCOUNTER21H  = 0xc95, /**< 0xc95 - hpmcounter21h (r/w): Hardware performance monitor 21 counter high word */
306 
  CSR_HPMCOUNTER22H  = 0xc96, /**< 0xc96 - hpmcounter22h (r/w): Hardware performance monitor 22 counter high word */
307 
  CSR_HPMCOUNTER23H  = 0xc97, /**< 0xc97 - hpmcounter23h (r/w): Hardware performance monitor 23 counter high word */
308 
  CSR_HPMCOUNTER24H  = 0xc98, /**< 0xc98 - hpmcounter24h (r/w): Hardware performance monitor 24 counter high word */
309 
  CSR_HPMCOUNTER25H  = 0xc99, /**< 0xc99 - hpmcounter25h (r/w): Hardware performance monitor 25 counter high word */
310 
  CSR_HPMCOUNTER26H  = 0xc9a, /**< 0xc9a - hpmcounter26h (r/w): Hardware performance monitor 26 counter high word */
311 
  CSR_HPMCOUNTER27H  = 0xc9b, /**< 0xc9b - hpmcounter27h (r/w): Hardware performance monitor 27 counter high word */
312 
  CSR_HPMCOUNTER28H  = 0xc9c, /**< 0xc9c - hpmcounter28h (r/w): Hardware performance monitor 28 counter high word */
313 
  CSR_HPMCOUNTER29H  = 0xc9d, /**< 0xc9d - hpmcounter29h (r/w): Hardware performance monitor 29 counter high word */
314 
  CSR_HPMCOUNTER30H  = 0xc9e, /**< 0xc9e - hpmcounter30h (r/w): Hardware performance monitor 30 counter high word */
315 
  CSR_HPMCOUNTER31H  = 0xc9f, /**< 0xc9f - hpmcounter31h (r/w): Hardware performance monitor 31 counter high word */
316 
 
317 
  CSR_MVENDORID      = 0xf11, /**< 0xf11 - mvendorid (r/-): Vendor ID */
318 
  CSR_MARCHID        = 0xf12, /**< 0xf12 - marchid   (r/-): Architecture ID */
319 
  CSR_MIMPID         = 0xf13, /**< 0xf13 - mimpid    (r/-): Implementation ID/version */
320 
  CSR_MHARTID        = 0xf14, /**< 0xf14 - mhartid   (r/-): Hardware thread ID (always 0) */
321 
 
322 
  CSR_MZEXT          = 0xfc0  /**< 0xfc0 - mzext (custom CSR) (r/-): Available Z* CPU extensions */
323 2 zero_gravi 
};
324 
 
325 
 
326 
/**********************************************************************//**
327 
 * CPU <b>mstatus</b> CSR (r/w): Machine status (RISC-V spec.)
328 
 **************************************************************************/
329 42 zero_gravi 
enum NEORV32_CSR_MSTATUS_enum {
330 
  CSR_MSTATUS_MIE   =  3, /**< CPU mstatus CSR (3): MIE - Machine interrupt enable bit (r/w) */
331 
  CSR_MSTATUS_UBE   =  6, /**< CPU mstatus CSR (6): UBE - User-mode endianness (little-endian=0, big-endian=1) (r/-) */
332 
  CSR_MSTATUS_MPIE  =  7, /**< CPU mstatus CSR (7): MPIE - Machine previous interrupt enable bit (r/w) */
333 
  CSR_MSTATUS_MPP_L = 11, /**< CPU mstatus CSR (11): MPP_L - Machine previous privilege mode bit low (r/w) */
334 
  CSR_MSTATUS_MPP_H = 12  /**< CPU mstatus CSR (12): MPP_H - Machine previous privilege mode bit high (r/w) */
335 2 zero_gravi 
};
336 
 
337 
 
338 
/**********************************************************************//**
339 41 zero_gravi 
 * CPU <b>mstatush</b> CSR (r/-): Machine status - high word (RISC-V spec.)
340 40 zero_gravi 
 **************************************************************************/
341 42 zero_gravi 
enum NEORV32_CSR_MSTATUSH_enum {
342 
  CSR_MSTATUSH_MBE = 5 /**< CPU mstatush CSR (5): MBE - Machine-mode endianness (little-endian=0, big-endian=1) (r/-) */
343 40 zero_gravi 
};
344 
 
345 
 
346 
/**********************************************************************//**
347 41 zero_gravi 
 * CPU <b>mcounteren</b> CSR (r/w): Machine counter enable (RISC-V spec.)
348 
 **************************************************************************/
349 42 zero_gravi 
enum NEORV32_CSR_MCOUNTEREN_enum {
350 
  CSR_MCOUNTEREN_CY = 0, /**< CPU mcounteren CSR (0): CY - Allow access to cycle[h] CSRs from U-mode when set (r/w) */
351 
  CSR_MCOUNTEREN_TM = 1, /**< CPU mcounteren CSR (1): TM - Allow access to time[h] CSRs from U-mode when set (r/w) */
352 
  CSR_MCOUNTEREN_IR = 2  /**< CPU mcounteren CSR (2): IR - Allow access to instret[h] CSRs from U-mode when set (r/w) */
353 41 zero_gravi 
};
354 
 
355 
 
356 
/**********************************************************************//**
357 
 * CPU <b>mcountinhibit</b> CSR (r/w): Machine counter-inhibit (RISC-V spec.)
358 
 **************************************************************************/
359 42 zero_gravi 
enum NEORV32_CSR_MCOUNTINHIBIT_enum {
360 
  CSR_MCOUNTINHIBIT_CY = 0, /**< CPU mcountinhibit CSR (0): CY - Enable auto-increment of [m]cycle[h] CSR when set (r/w) */
361 
  CSR_MCOUNTINHIBIT_IR = 2  /**< CPU mcountinhibit CSR (2): IR - Enable auto-increment of [m]instret[h] CSR when set (r/w) */
362 41 zero_gravi 
};
363 
 
364 
 
365 
/**********************************************************************//**
366 2 zero_gravi 
 * CPU <b>mie</b> CSR (r/w): Machine interrupt enable (RISC-V spec.)
367 
 **************************************************************************/
368 42 zero_gravi 
enum NEORV32_CSR_MIE_enum {
369 
  CSR_MIE_MSIE   =  3, /**< CPU mie CSR (3): MSIE - Machine software interrupt enable (r/w) */
370 
  CSR_MIE_MTIE   =  7, /**< CPU mie CSR (7): MTIE - Machine timer interrupt enable bit (r/w) */
371 
  CSR_MIE_MEIE   = 11, /**< CPU mie CSR (11): MEIE - Machine external interrupt enable bit (r/w) */
372 
  CSR_MIE_FIRQ0E = 16, /**< CPU mie CSR (16): FIRQ0E - Fast interrupt channel 0 enable bit (r/w) */
373 
  CSR_MIE_FIRQ1E = 17, /**< CPU mie CSR (17): FIRQ1E - Fast interrupt channel 1 enable bit (r/w) */
374 
  CSR_MIE_FIRQ2E = 18, /**< CPU mie CSR (18): FIRQ2E - Fast interrupt channel 2 enable bit (r/w) */
375 
  CSR_MIE_FIRQ3E = 19  /**< CPU mie CSR (19): FIRQ3E - Fast interrupt channel 3 enable bit (r/w) */
376 2 zero_gravi 
};
377 
 
378 
 
379 
/**********************************************************************//**
380 12 zero_gravi 
 * CPU <b>mip</b> CSR (r/-): Machine interrupt pending (RISC-V spec.)
381 2 zero_gravi 
 **************************************************************************/
382 42 zero_gravi 
enum NEORV32_CSR_MIP_enum {
383 
  CSR_MIP_MSIP   =  3, /**< CPU mip CSR (3): MSIP - Machine software interrupt pending (r/-) */
384 
  CSR_MIP_MTIP   =  7, /**< CPU mip CSR (7): MTIP - Machine timer interrupt pending (r/-) */
385 
  CSR_MIP_MEIP   = 11, /**< CPU mip CSR (11): MEIP - Machine external interrupt pending (r/-) */
386 14 zero_gravi 
 
387 42 zero_gravi 
  CSR_MIP_FIRQ0P = 16, /**< CPU mip CSR (16): FIRQ0P - Fast interrupt channel 0 pending (r/-) */
388 
  CSR_MIP_FIRQ1P = 17, /**< CPU mip CSR (17): FIRQ1P - Fast interrupt channel 1 pending (r/-) */
389 
  CSR_MIP_FIRQ2P = 18, /**< CPU mip CSR (18): FIRQ2P - Fast interrupt channel 2 pending (r/-) */
390 
  CSR_MIP_FIRQ3P = 19  /**< CPU mip CSR (19): FIRQ3P - Fast interrupt channel 3 pending (r/-) */
391 2 zero_gravi 
};
392 
 
393 
 
394 
/**********************************************************************//**
395 16 zero_gravi 
 * CPU <b>misa</b> CSR (r/-): Machine instruction set extensions (RISC-V spec.)
396 6 zero_gravi 
 **************************************************************************/
397 42 zero_gravi 
enum NEORV32_CSR_MISA_enum {
398 
  CSR_MISA_A_EXT      =  0, /**< CPU misa CSR  (0): A: Atomic instructions CPU extension available (r/-)*/
399 
  CSR_MISA_B_EXT      =  1, /**< CPU misa CSR  (1): B: Bit manipulation CPU extension available (r/-)*/
400 
  CSR_MISA_C_EXT      =  2, /**< CPU misa CSR  (2): C: Compressed instructions CPU extension available (r/-)*/
401 
  CSR_MISA_D_EXT      =  3, /**< CPU misa CSR  (3): D: Floating point (double-precision) extension available (r/-) */
402 
  CSR_MISA_E_EXT      =  4, /**< CPU misa CSR  (4): E: Embedded CPU extension available (r/-) */
403 
  CSR_MISA_F_EXT      =  5, /**< CPU misa CSR  (5): F: Floating point (single-precision) extension available (r/-) */
404 
  CSR_MISA_I_EXT      =  8, /**< CPU misa CSR  (8): I: Base integer ISA CPU extension available (r/-) */
405 
  CSR_MISA_M_EXT      = 12, /**< CPU misa CSR (12): M: Multiplier/divider CPU extension available (r/-)*/
406 
  CSR_MISA_U_EXT      = 20, /**< CPU misa CSR (20): U: User mode CPU extension available (r/-)*/
407 
  CSR_MISA_X_EXT      = 23, /**< CPU misa CSR (23): X: Non-standard CPU extension available (r/-) */
408 
  CSR_MISA_MXL_LO_EXT = 30, /**< CPU misa CSR (30): MXL.lo: CPU data width (r/-) */
409 
  CSR_MISA_MXL_HI_EXT = 31  /**< CPU misa CSR (31): MXL.Hi: CPU data width (r/-) */
410 6 zero_gravi 
};
411 
 
412 
 
413 
/**********************************************************************//**
414 33 zero_gravi 
 * CPU <b>mzext</b> custom CSR (r/-): Implemented Z* CPU extensions
415 
 **************************************************************************/
416 42 zero_gravi 
enum NEORV32_CSR_MZEXT_enum {
417 
  CSR_MZEXT_ZICSR    = 0, /**< CPU mzext CSR (0): Zicsr extension available when set (r/-) */
418 
  CSR_MZEXT_ZIFENCEI = 1  /**< CPU mzext CSR (1): Zifencei extension available when set (r/-) */
419 33 zero_gravi 
};
420 
 
421 
 
422 
/**********************************************************************//**
423 42 zero_gravi 
 * CPU <b>mhpmevent</b> hardware performance monitor events
424 
 **************************************************************************/
425 
enum NEORV32_HPMCNT_EVENT_enum {
426 
  HPMCNT_EVENT_CY      = 0,  /**< CPU mhpmevent CSR (0):  Active cycle */
427 
  HPMCNT_EVENT_IR      = 2,  /**< CPU mhpmevent CSR (2):  Retired instruction */
428 
 
429 
  HPMCNT_EVENT_CIR     = 3,  /**< CPU mhpmevent CSR (3):  Retired compressed instruction */
430 
  HPMCNT_EVENT_WAIT_IF = 4,  /**< CPU mhpmevent CSR (4):  Instruction fetch memory wait cycle */
431 
  HPMCNT_EVENT_WAIT_II = 5,  /**< CPU mhpmevent CSR (5):  Instruction issue wait cycle */
432 
  HPMCNT_EVENT_LOAD    = 6,  /**< CPU mhpmevent CSR (6):  Load operation */
433 
  HPMCNT_EVENT_STORE   = 7,  /**< CPU mhpmevent CSR (7):  Store operation */
434 
  HPMCNT_EVENT_WAIT_LS = 8,  /**< CPU mhpmevent CSR (8):  Load/store memory wait cycle */
435 
 
436 
  HPMCNT_EVENT_JUMP    = 9,  /**< CPU mhpmevent CSR (9):  Unconditional jump */
437 
  HPMCNT_EVENT_BRANCH  = 10, /**< CPU mhpmevent CSR (10): Conditional branch (taken or not taken) */
438 
  HPMCNT_EVENT_TBRANCH = 11, /**< CPU mhpmevent CSR (11): Conditional taken branch */
439 
 
440 
  HPMCNT_EVENT_TRAP    = 12, /**< CPU mhpmevent CSR (12): Entered trap */
441 
  HPMCNT_EVENT_ILLEGAL = 13  /**< CPU mhpmevent CSR (13): Illegal instruction exception */
442 
};
443 
 
444 
 
445 
/**********************************************************************//**
446 14 zero_gravi 
 * Trap codes from mcause CSR.
447 2 zero_gravi 
 **************************************************************************/
448 12 zero_gravi 
enum NEORV32_EXCEPTION_CODES_enum {
449 31 zero_gravi 
  TRAP_CODE_I_MISALIGNED = 0x00000000, /**< 0.0:  Instruction address misaligned */
450 
  TRAP_CODE_I_ACCESS     = 0x00000001, /**< 0.1:  Instruction (bus) access fault */
451 
  TRAP_CODE_I_ILLEGAL    = 0x00000002, /**< 0.2:  Illegal instruction */
452 
  TRAP_CODE_BREAKPOINT   = 0x00000003, /**< 0.3:  Breakpoint (EBREAK instruction) */
453 
  TRAP_CODE_L_MISALIGNED = 0x00000004, /**< 0.4:  Load address misaligned */
454 
  TRAP_CODE_L_ACCESS     = 0x00000005, /**< 0.5:  Load (bus) access fault */
455 
  TRAP_CODE_S_MISALIGNED = 0x00000006, /**< 0.6:  Store address misaligned */
456 
  TRAP_CODE_S_ACCESS     = 0x00000007, /**< 0.7:  Store (bus) access fault */
457 40 zero_gravi 
  TRAP_CODE_UENV_CALL    = 0x00000008, /**< 0.8:  Environment call from user mode (ECALL instruction) */
458 14 zero_gravi 
  TRAP_CODE_MENV_CALL    = 0x0000000b, /**< 0.11: Environment call from machine mode (ECALL instruction) */
459 40 zero_gravi 
  TRAP_CODE_RESET        = 0x80000000, /**< 1.0:  Hardware reset */
460 31 zero_gravi 
  TRAP_CODE_MSI          = 0x80000003, /**< 1.3:  Machine software interrupt */
461 
  TRAP_CODE_MTI          = 0x80000007, /**< 1.7:  Machine timer interrupt */
462 14 zero_gravi 
  TRAP_CODE_MEI          = 0x8000000b, /**< 1.11: Machine external interrupt */
463 
  TRAP_CODE_FIRQ_0       = 0x80000010, /**< 1.16: Fast interrupt channel 0 */
464 
  TRAP_CODE_FIRQ_1       = 0x80000011, /**< 1.17: Fast interrupt channel 1 */
465 
  TRAP_CODE_FIRQ_2       = 0x80000012, /**< 1.18: Fast interrupt channel 2 */
466 
  TRAP_CODE_FIRQ_3       = 0x80000013  /**< 1.19: Fast interrupt channel 3 */
467 12 zero_gravi 
};
468 
 
469 
 
470 
/**********************************************************************//**
471 2 zero_gravi 
 * Processor clock prescalers
472 
 **************************************************************************/
473 
enum NEORV32_CLOCK_PRSC_enum {
474 
  CLK_PRSC_2    =  0, /**< CPU_CLK / 2 */
475 
  CLK_PRSC_4    =  1, /**< CPU_CLK / 4 */
476 
  CLK_PRSC_8    =  2, /**< CPU_CLK / 8 */
477 
  CLK_PRSC_64   =  3, /**< CPU_CLK / 64 */
478 
  CLK_PRSC_128  =  4, /**< CPU_CLK / 128 */
479 
  CLK_PRSC_1024 =  5, /**< CPU_CLK / 1024 */
480 
  CLK_PRSC_2048 =  6, /**< CPU_CLK / 2048 */
481 
  CLK_PRSC_4096 =  7  /**< CPU_CLK / 4096 */
482 
};
483 
 
484 
 
485 
/**********************************************************************//**
486 34 zero_gravi 
 * Official NEORV32 >RISC-V open-source architecture ID<
487 
 * https://github.com/riscv/riscv-isa-manual/blob/master/marchid.md
488 32 zero_gravi 
 **************************************************************************/
489 
#define NEORV32_ARCHID 19
490 
 
491 
 
492 
/**********************************************************************//**
493 2 zero_gravi 
 * @name Helper macros for easy memory-mapped register access
494 
 **************************************************************************/
495 
/**@{*/
496 
/** memory-mapped byte (8-bit) read/write register */
497 
#define IO_REG8  (volatile uint8_t*)
498 
/** memory-mapped half-word (16-bit) read/write register */
499 
#define IO_REG16 (volatile uint16_t*)
500 
/** memory-mapped word (32-bit) read/write register */
501 
#define IO_REG32 (volatile uint32_t*)
502 
/** memory-mapped double-word (64-bit) read/write register */
503 
#define IO_REG64 (volatile uint64_t*)
504 
/** memory-mapped byte (8-bit) read-only register */
505 
#define IO_ROM8  (const volatile uint8_t*)
506 
/** memory-mapped half-word (16-bit) read-only register */
507 
#define IO_ROM16 (const volatile uint16_t*)
508 
/** memory-mapped word (32-bit) read-only register */
509 
#define IO_ROM32 (const volatile uint32_t*)
510 
/** memory-mapped double-word (64-bit) read-only register */
511 
#define IO_ROM64 (const volatile uint64_t*)
512 
/**@}*/
513 
 
514 
 
515 
/**********************************************************************//**
516 
 * @name Address space sections
517 
 **************************************************************************/
518 
/**@{*/
519 
/** instruction memory base address (r/w/x) */
520 23 zero_gravi 
// -> configured via ispace_base_c constant in neorv32_package.vhd and available to SW via SYSCONFIG entry
521 2 zero_gravi 
/** data memory base address (r/w/x) */
522 23 zero_gravi 
// -> configured via dspace_base_c constant in neorv32_package.vhd and available to SW via SYSCONFIG entry
523 2 zero_gravi 
/** bootloader memory base address (r/-/x) */
524 6 zero_gravi 
#define BOOTLOADER_BASE_ADDRESS (0xFFFF0000UL)
525 2 zero_gravi 
/** peripheral/IO devices memory base address (r/w/x) */
526 6 zero_gravi 
#define IO_BASE_ADDRESS (0xFFFFFF80UL)
527 2 zero_gravi 
/**@}*/
528 
 
529 
 
530 
/**********************************************************************//**
531 
 * @name IO Device: General Purpose Input/Output Port Unit (GPIO)
532 
 **************************************************************************/
533 
/**@{*/
534 23 zero_gravi 
/** read access: GPIO parallel input port 32-bit (r/-), write_access: pin-change IRQ for each input pin (-/w) */
535 
#define GPIO_INPUT  (*(IO_REG32 0xFFFFFF80UL))
536 22 zero_gravi 
/** GPIO parallel output port 32-bit (r/w) */
537 6 zero_gravi 
#define GPIO_OUTPUT (*(IO_REG32 0xFFFFFF84UL))
538 2 zero_gravi 
/**@}*/
539 
 
540 
 
541 
/**********************************************************************//**
542 30 zero_gravi 
 * @name IO Device: True Random Number Generator (TRNG)
543 18 zero_gravi 
 **************************************************************************/
544 
/**@{*/
545 30 zero_gravi 
/** TRNG control/data register (r/w) */
546 
#define TRNG_CT (*(IO_REG32 0xFFFFFF88UL))
547 
 
548 
/** TRNG control/data register bits */
549 
enum NEORV32_TRNG_CT_enum {
550 
  TRNG_CT_DATA_LSB =  0, /**< TRNG data/control register(0)  (r/-): Random data (8-bit) LSB */
551 
  TRNG_CT_DATA_MSB =  7, /**< TRNG data/control register(7)  (r/-): Random data (8-bit) MSB */
552 
  TRNG_CT_VALID    = 15, /**< TRNG data/control register(15) (r/-): Random data output valid */
553 
  TRNG_CT_ERROR_0  = 16, /**< TRNG data/control register(16) (r/-): Stuck-at-zero error */
554 
  TRNG_CT_ERROR_1  = 17, /**< TRNG data/control register(17) (r/-): Stuck-at-one error */
555 
  TRNG_CT_EN       = 31  /**< TRNG data/control register(31) (r/w): TRNG enable */
556 
};
557 18 zero_gravi 
/**@}*/
558 
 
559 
 
560 
/**********************************************************************//**
561 2 zero_gravi 
 * @name IO Device: Watchdog Timer (WDT)
562 
 **************************************************************************/
563 
/**@{*/
564 
/** Watchdog control register (r/w) */
565 6 zero_gravi 
#define WDT_CT (*(IO_REG32 0xFFFFFF8CUL))
566 2 zero_gravi 
 
567 
/** WTD control register bits */
568 
enum NEORV32_WDT_CT_enum {
569 
  WDT_CT_CLK_SEL0     =  0, /**< WDT control register(0) (r/w): Clock prescaler select bit 0 */
570 
  WDT_CT_CLK_SEL1     =  1, /**< WDT control register(1) (r/w): Clock prescaler select bit 1 */
571 
  WDT_CT_CLK_SEL2     =  2, /**< WDT control register(2) (r/w): Clock prescaler select bit 2 */
572 
  WDT_CT_EN           =  3, /**< WDT control register(3) (r/w): Watchdog enable */
573 
  WDT_CT_MODE         =  4, /**< WDT control register(4) (r/w): Watchdog mode; when 0: timeout causes interrupt; when 1: timeout causes processor reset */
574 
  WDT_CT_CAUSE        =  5, /**< WDT control register(5) (r/-): Last action (reset/IRQ) cause (0: external reset, 1: watchdog timeout) */
575 
  WDT_CT_PWFAIL       =  6, /**< WDT control register(6) (r/-): Last Watchdog action (reset/IRQ) caused by wrong password when 1 */
576 
 
577 
  WDT_CT_PASSWORD_LSB =  8, /**< WDT control register(8)  (-/w): First bit / position begin for watchdog access password */
578 
  WDT_CT_PASSWORD_MSB = 15  /**< WDT control register(15) (-/w): Last bit / position end for watchdog access password */
579 
};
580 
 
581 
/** Watchdog access passwort, must be set in WDT_CT bits 15:8 for every control register access */
582 
#define WDT_PASSWORD 0x47
583 
/**@}*/
584 
 
585 
 
586 
/**********************************************************************//**
587 
 * @name IO Device: Machine System Timer (MTIME)
588 
 **************************************************************************/
589 
/**@{*/
590 11 zero_gravi 
/** MTIME (time register) low word (r/w) */
591 
#define MTIME_LO     (*(IO_REG32 0xFFFFFF90UL))
592 
/** MTIME (time register) high word (r/w) */
593 
#define MTIME_HI     (*(IO_REG32 0xFFFFFF94UL))
594 2 zero_gravi 
/** MTIMECMP (time compare register) low word (r/w) */
595 6 zero_gravi 
#define MTIMECMP_LO  (*(IO_REG32 0xFFFFFF98UL))
596 2 zero_gravi 
/** MTIMECMP (time register) high word (r/w) */
597 6 zero_gravi 
#define MTIMECMP_HI  (*(IO_REG32 0xFFFFFF9CUL))
598 2 zero_gravi 
 
599 11 zero_gravi 
/** MTIME (time register) 64-bit access (r/w) */
600 
#define MTIME        (*(IO_REG64 (&MTIME_LO)))
601 2 zero_gravi 
/** MTIMECMP (time compare register) low word (r/w) */
602 
#define MTIMECMP     (*(IO_REG64 (&MTIMECMP_LO)))
603 
/**@}*/
604 
 
605 
 
606 
/**********************************************************************//**
607 
 * @name IO Device: Universal Asynchronous Receiver and Transmitter (UART)
608 
 **************************************************************************/
609 
/**@{*/
610 
/** UART control register (r/w) */
611 6 zero_gravi 
#define UART_CT  (*(IO_REG32 0xFFFFFFA0UL))
612 2 zero_gravi 
/** UART receive/transmit data register (r/w) */
613 6 zero_gravi 
#define UART_DATA (*(IO_REG32 0xFFFFFFA4UL))
614 2 zero_gravi 
 
615 
/** UART control register bits */
616 
enum NEORV32_UART_CT_enum {
617 30 zero_gravi 
  UART_CT_BAUD00   =  0, /**< UART control register(0)  (r/w): BAUD rate config value lsb (12-bi, bit 0) */
618 
  UART_CT_BAUD01   =  1, /**< UART control register(1)  (r/w): BAUD rate config value (12-bi, bit 1) */
619 
  UART_CT_BAUD02   =  2, /**< UART control register(2)  (r/w): BAUD rate config value (12-bi, bit 2) */
620 
  UART_CT_BAUD03   =  3, /**< UART control register(3)  (r/w): BAUD rate config value (12-bi, bit 3) */
621 
  UART_CT_BAUD04   =  4, /**< UART control register(4)  (r/w): BAUD rate config value (12-bi, bit 4) */
622 
  UART_CT_BAUD05   =  5, /**< UART control register(5)  (r/w): BAUD rate config value (12-bi, bit 4) */
623 
  UART_CT_BAUD06   =  6, /**< UART control register(6)  (r/w): BAUD rate config value (12-bi, bit 5) */
624 
  UART_CT_BAUD07   =  7, /**< UART control register(7)  (r/w): BAUD rate config value (12-bi, bit 6) */
625 
  UART_CT_BAUD08   =  8, /**< UART control register(8)  (r/w): BAUD rate config value (12-bi, bit 7) */
626 
  UART_CT_BAUD09   =  9, /**< UART control register(9)  (r/w): BAUD rate config value (12-bi, bit 8) */
627 
  UART_CT_BAUD10   = 10, /**< UART control register(10) (r/w): BAUD rate config value (12-bi, bit 9) */
628 
  UART_CT_BAUD11   = 11, /**< UART control register(11) (r/w): BAUD rate config value msb (12-bi, bit 0) */
629 2 zero_gravi 
 
630 30 zero_gravi 
  UART_CT_SIM_MODE = 12, /**< UART control register(12) (r/w): Simulation output override enable, for use in simulation only */
631 
 
632 42 zero_gravi 
  UART_CT_PMODE0   = 22, /**< UART control register(22) (r/w): Parity configuration (0=even; 1=odd) */
633 
  UART_CT_PMODE1   = 23, /**< UART control register(23) (r/w): Parity bit enabled when set */
634 30 zero_gravi 
  UART_CT_PRSC0    = 24, /**< UART control register(24) (r/w): BAUD rate clock prescaler select bit 0 */
635 
  UART_CT_PRSC1    = 25, /**< UART control register(25) (r/w): BAUD rate clock prescaler select bit 1 */
636 
  UART_CT_PRSC2    = 26, /**< UART control register(26) (r/w): BAUD rate clock prescaler select bit 2 */
637 42 zero_gravi 
 
638 30 zero_gravi 
  UART_CT_EN       = 28, /**< UART control register(28) (r/w): UART global enable */
639 
  UART_CT_RX_IRQ   = 29, /**< UART control register(29) (r/w): Activate interrupt on RX done */
640 
  UART_CT_TX_IRQ   = 30, /**< UART control register(30) (r/w): Activate interrupt on TX done */
641 
  UART_CT_TX_BUSY  = 31  /**< UART control register(31) (r/-): Transmitter is busy when set */
642 2 zero_gravi 
};
643 
 
644 
/** UART receive/transmit data register bits */
645 
enum NEORV32_UART_DATA_enum {
646 
  UART_DATA_LSB   =  0, /**< UART receive/transmit data register(0)  (r/w): Receive/transmit data LSB (bit 0) */
647 
  UART_DATA_MSB   =  7, /**< UART receive/transmit data register(7)  (r/w): Receive/transmit data MSB (bit 7) */
648 42 zero_gravi 
  UART_DATA_PERR  = 28, /**< UART receive/transmit data register(18) (r/-): RX parity error detected when set */
649 
  UART_DATA_FERR  = 29, /**< UART receive/transmit data register(29) (r/-): RX frame error (not valid stop bit) wdetected when set */
650 
  UART_DATA_OVERR = 30, /**< UART receive/transmit data register(30) (r/-): RX data overrun when set */
651 
  UART_DATA_AVAIL = 31  /**< UART receive/transmit data register(31) (r/-): RX data available when set  */
652 2 zero_gravi 
};
653 
/**@}*/
654 
 
655 
 
656 
/**********************************************************************//**
657 10 zero_gravi 
 * @name IO Device: Serial Peripheral Interface Controller (SPI)
658 2 zero_gravi 
 **************************************************************************/
659 
/**@{*/
660 
/** SPI control register (r/w) */
661 6 zero_gravi 
#define SPI_CT  (*(IO_REG32 0xFFFFFFA8UL))
662 2 zero_gravi 
/** SPI receive/transmit data register (r/w) */
663 6 zero_gravi 
#define SPI_DATA (*(IO_REG32 0xFFFFFFACUL))
664 2 zero_gravi 
 
665 
/** SPI control register bits */
666 
enum NEORV32_SPI_CT_enum {
667 
  SPI_CT_CS0    =  0, /**< UART control register(0) (r/w): Direct chip select line 0 (output is low when set) */
668 
  SPI_CT_CS1    =  1, /**< UART control register(1) (r/w): Direct chip select line 1 (output is low when set) */
669 
  SPI_CT_CS2    =  2, /**< UART control register(2) (r/w): Direct chip select line 2 (output is low when set) */
670 
  SPI_CT_CS3    =  3, /**< UART control register(3) (r/w): Direct chip select line 3 (output is low when set) */
671 
  SPI_CT_CS4    =  4, /**< UART control register(4) (r/w): Direct chip select line 4 (output is low when set) */
672 
  SPI_CT_CS5    =  5, /**< UART control register(5) (r/w): Direct chip select line 5 (output is low when set) */
673 
  SPI_CT_CS6    =  6, /**< UART control register(6) (r/w): Direct chip select line 6 (output is low when set) */
674 
  SPI_CT_CS7    =  7, /**< UART control register(7) (r/w): Direct chip select line 7 (output is low when set) */
675 
 
676 
  SPI_CT_EN     =  8, /**< UART control register(8) (r/w): SPI unit enable */
677 
  SPI_CT_CPHA   =  9, /**< UART control register(9) (r/w): Clock polarity (idle polarity) */
678 
  SPI_CT_PRSC0  = 10, /**< UART control register(10) (r/w): Clock prescaler select bit 0 */
679 
  SPI_CT_PRSC1  = 11, /**< UART control register(11) (r/w): Clock prescaler select bit 1 */
680 
  SPI_CT_PRSC2  = 12, /**< UART control register(12) (r/w): Clock prescaler select bit 2 */
681 36 zero_gravi 
  SPI_CT_SIZE0  = 13, /**< UART control register(13) (r/w): Transfer data size lsb (00: 8-bit, 01: 16-bit, 10: 24-bit, 11: 32-bit) */
682 
  SPI_CT_SIZE1  = 14, /**< UART control register(14) (r/w): Transfer data size msb (00: 8-bit, 01: 16-bit, 10: 24-bit, 11: 32-bit) */
683 
  SPI_CT_IRQ_EN = 15, /**< UART control register(15) (r/w): Transfer done interrupt enable */
684 2 zero_gravi 
 
685 
  SPI_CT_BUSY   = 31  /**< UART control register(31) (r/-): SPI busy flag */
686 
};
687 
/**@}*/
688 
 
689 
 
690 
/**********************************************************************//**
691 10 zero_gravi 
 * @name IO Device: Two-Wire Interface Controller (TWI)
692 2 zero_gravi 
 **************************************************************************/
693 
/**@{*/
694 
/** TWI control register (r/w) */
695 6 zero_gravi 
#define TWI_CT   (*(IO_REG32 0xFFFFFFB0UL))
696 2 zero_gravi 
/** TWI receive/transmit data register (r/w) */
697 6 zero_gravi 
#define TWI_DATA (*(IO_REG32 0xFFFFFFB4UL))
698 2 zero_gravi 
 
699 
/** TWI control register bits */
700 
enum NEORV32_TWI_CT_enum {
701 
  TWI_CT_EN     =  0, /**< TWI control register(0) (r/w): TWI enable */
702 
  TWI_CT_START  =  1, /**< TWI control register(1) (-/w): Generate START condition, auto-clears */
703 
  TWI_CT_STOP   =  2, /**< TWI control register(2) (-/w): Generate STOP condition, auto-clears */
704 
  TWI_CT_IRQ_EN =  3, /**< TWI control register(3) (r/w): Enable transmission done interrupt */
705 
  TWI_CT_PRSC0  =  4, /**< TWI control register(4) (r/w): Clock prescaler select bit 0 */
706 
  TWI_CT_PRSC1  =  5, /**< TWI control register(5) (r/w): Clock prescaler select bit 1 */
707 
  TWI_CT_PRSC2  =  6, /**< TWI control register(6) (r/w): Clock prescaler select bit 2 */
708 10 zero_gravi 
  TWI_CT_MACK   =  7, /**< TWI control register(7) (r/w): Generate controller ACK for each transmission */
709 35 zero_gravi 
  TWI_CT_CKSTEN =  8, /**< TWI control register(8) (r/w): Enable clock stretching (by peripheral) */
710 2 zero_gravi 
 
711 
  TWI_CT_ACK    = 30, /**< TWI control register(30) (r/-): ACK received when set */
712 
  TWI_CT_BUSY   = 31  /**< TWI control register(31) (r/-): Transfer in progress, busy flag */
713 
};
714 
 
715 
/** WTD receive/transmit data register bits */
716 
enum NEORV32_TWI_DATA_enum {
717 
  TWI_DATA_LSB = 0, /**< TWI data register(0) (r/w): Receive/transmit data (8-bit) LSB */
718 
  TWI_DATA_MSB = 7  /**< TWI data register(7) (r/w): Receive/transmit data (8-bit) MSB */
719 
};
720 
/**@}*/
721 
 
722 
 
723 
/**********************************************************************//**
724 
 * @name IO Device: Pulse Width Modulation Controller (PWM)
725 
 **************************************************************************/
726 
/**@{*/
727 
/** PWM control register (r/w) */
728 6 zero_gravi 
#define PWM_CT   (*(IO_REG32 0xFFFFFFB8UL)) // r/w: control register
729 2 zero_gravi 
/** PWM duty cycle register (4-channels) (r/w) */
730 6 zero_gravi 
#define PWM_DUTY (*(IO_REG32 0xFFFFFFBCUL)) // r/w: duty cycle channel 1 and 0
731 2 zero_gravi 
 
732 
/** PWM control register bits */
733 
enum NEORV32_PWM_CT_enum {
734 
  PWM_CT_EN    =  0, /**< PWM control register(0) (r/w): PWM controller enable */
735 
  PWM_CT_PRSC0 =  1, /**< PWM control register(1) (r/w): Clock prescaler select bit 0 */
736 
  PWM_CT_PRSC1 =  2, /**< PWM control register(2) (r/w): Clock prescaler select bit 1 */
737 
  PWM_CT_PRSC2 =  3  /**< PWM control register(3) (r/w): Clock prescaler select bit 2 */
738 
};
739 
 
740 
/**PWM duty cycle register bits */
741 
enum NEORV32_PWM_DUTY_enum {
742 
  PWM_DUTY_CH0_LSB =  0, /**< PWM duty cycle register(0)  (r/w): Channel 0 duty cycle (8-bit) LSB */
743 
  PWM_DUTY_CH0_MSB =  7, /**< PWM duty cycle register(7)  (r/w): Channel 0 duty cycle (8-bit) MSB */
744 
  PWM_DUTY_CH1_LSB =  8, /**< PWM duty cycle register(8)  (r/w): Channel 1 duty cycle (8-bit) LSB */
745 
  PWM_DUTY_CH1_MSB = 15, /**< PWM duty cycle register(15) (r/w): Channel 1 duty cycle (8-bit) MSB */
746 
  PWM_DUTY_CH2_LSB = 16, /**< PWM duty cycle register(16) (r/w): Channel 2 duty cycle (8-bit) LSB */
747 
  PWM_DUTY_CH2_MSB = 23, /**< PWM duty cycle register(23) (r/w): Channel 2 duty cycle (8-bit) MSB */
748 
  PWM_DUTY_CH3_LSB = 24, /**< PWM duty cycle register(24) (r/w): Channel 3 duty cycle (8-bit) LSB */
749 
  PWM_DUTY_CH3_MSB = 31  /**< PWM duty cycle register(31) (r/w): Channel 3 duty cycle (8-bit) MSB */
750 
};
751 
/**@}*/
752 
 
753 
 
754 
/**********************************************************************//**
755 34 zero_gravi 
 * @name IO Device: Custom Functions Unit 0 (CFU0)
756 23 zero_gravi 
 **************************************************************************/
757 
/**@{*/
758 34 zero_gravi 
/** CFU0 register 0 ((r)/(w)) */
759 
#define CFU0_REG_0 (*(IO_REG32 0xFFFFFFC0UL)) // (r)/(w): CFU0 register 0, user-defined
760 
/** CFU0 register 1 ((r)/(w)) */
761 
#define CFU0_REG_1 (*(IO_REG32 0xFFFFFFC4UL)) // (r)/(w): CFU0 register 1, user-defined
762 
/** CFU0 register 2 ((r)/(w)) */
763 
#define CFU0_REG_2 (*(IO_REG32 0xFFFFFFC8UL)) // (r)/(w): CFU0 register 2, user-defined
764 
/** CFU0 register 3 ((r)/(w)) */
765 
#define CFU0_REG_3 (*(IO_REG32 0xFFFFFFCCUL)) // (r)/(w): CFU0 register 3, user-defined
766 2 zero_gravi 
/**@}*/
767 
 
768 
 
769 3 zero_gravi 
/**********************************************************************//**
770 34 zero_gravi 
 * @name IO Device: Custom Functions Unit 1 (CFU1)
771 
 **************************************************************************/
772 
/**@{*/
773 
/** CFU1 register 0 ((r)/(w)) */
774 
#define CFU1_REG_0 (*(IO_REG32 0xFFFFFFD0UL)) // (r)/(w): CFU1 register 0, user-defined
775 
/** CFU1 register 1 ((r)/(w)) */
776 
#define CFU1_REG_1 (*(IO_REG32 0xFFFFFFD4UL)) // (r)/(w): CFU1 register 1, user-defined
777 
/** CFU1 register 2 ((r)/(w)) */
778 
#define CFU1_REG_2 (*(IO_REG32 0xFFFFFFD8UL)) // (r)/(w): CFU1 register 2, user-defined
779 
/** CFU1 register 3 ((r)/(w)) */
780 
#define CFU1_REG_3 (*(IO_REG32 0xFFFFFFDCUL)) // (r)/(w): CFU1 register 3, user-defined
781 
/**@}*/
782 
 
783 
 
784 
/**********************************************************************//**
785 12 zero_gravi 
 * @name IO Device: System Configuration Info Memory (SYSINFO)
786 
 **************************************************************************/
787 
/**@{*/
788 
/** SYSINFO(0): Clock speed */
789 
#define SYSINFO_CLK         (*(IO_ROM32 0xFFFFFFE0UL))
790 
/** SYSINFO(1): Custom user code (via "USER_CODE" generic) */
791 
#define SYSINFO_USER_CODE   (*(IO_ROM32 0xFFFFFFE4UL))
792 
/** SYSINFO(2): Clock speed */
793 
#define SYSINFO_FEATURES    (*(IO_ROM32 0xFFFFFFE8UL))
794 41 zero_gravi 
/** SYSINFO(3): Cache configuration */
795 
#define SYSINFO_CACHE       (*(IO_ROM32 0xFFFFFFECUL))
796 12 zero_gravi 
/** SYSINFO(4): Instruction memory address space base */
797 
#define SYSINFO_ISPACE_BASE (*(IO_ROM32 0xFFFFFFF0UL))
798 
/** SYSINFO(5): Data memory address space base */
799 
#define SYSINFO_DSPACE_BASE (*(IO_ROM32 0xFFFFFFF4UL))
800 23 zero_gravi 
/** SYSINFO(6): Internal instruction memory (IMEM) size in bytes */
801 
#define SYSINFO_IMEM_SIZE   (*(IO_ROM32 0xFFFFFFF8UL))
802 
/** SYSINFO(7): Internal data memory (DMEM) size in bytes */
803 
#define SYSINFO_DMEM_SIZE   (*(IO_ROM32 0xFFFFFFFCUL))
804 12 zero_gravi 
/**@}*/
805 
 
806 
/**********************************************************************//**
807 
 * SYSINFO_FEATURES (r/-): Implemented processor devices/features
808 
 **************************************************************************/
809 
 enum NEORV32_SYSINFO_FEATURES_enum {
810 
  SYSINFO_FEATURES_BOOTLOADER       =  0, /**< SYSINFO_FEATURES  (0) (r/-): Bootloader implemented when 1 (via BOOTLOADER_USE generic) */
811 
  SYSINFO_FEATURES_MEM_EXT          =  1, /**< SYSINFO_FEATURES  (1) (r/-): External bus interface implemented when 1 (via MEM_EXT_USE generic) */
812 
  SYSINFO_FEATURES_MEM_INT_IMEM     =  2, /**< SYSINFO_FEATURES  (2) (r/-): Processor-internal instruction memory implemented when 1 (via MEM_INT_IMEM_USE generic) */
813 
  SYSINFO_FEATURES_MEM_INT_IMEM_ROM =  3, /**< SYSINFO_FEATURES  (3) (r/-): Processor-internal instruction memory implemented as ROM when 1 (via MEM_INT_IMEM_ROM generic) */
814 
  SYSINFO_FEATURES_MEM_INT_DMEM     =  4, /**< SYSINFO_FEATURES  (4) (r/-): Processor-internal data memory implemented when 1 (via MEM_INT_DMEM_USE generic) */
815 40 zero_gravi 
  SYSINFO_FEATURES_MEM_EXT_ENDIAN   =  5, /**< SYSINFO_FEATURES  (5) (r/-): External bus interface uses BIG-endian byte-order when 1 (via package.xbus_big_endian_c constant) */
816 41 zero_gravi 
  SYSINFO_FEATURES_ICACHE           =  6, /**< SYSINFO_FEATURES  (6) (r/-): Processor-internal instruction cache implemented when 1 (via ICACHE_USE generic) */
817 12 zero_gravi 
 
818 
  SYSINFO_FEATURES_IO_GPIO          = 16, /**< SYSINFO_FEATURES (16) (r/-): General purpose input/output port unit implemented when 1 (via IO_GPIO_USE generic) */
819 
  SYSINFO_FEATURES_IO_MTIME         = 17, /**< SYSINFO_FEATURES (17) (r/-): Machine system timer implemented when 1 (via IO_MTIME_USE generic) */
820 
  SYSINFO_FEATURES_IO_UART          = 18, /**< SYSINFO_FEATURES (18) (r/-): Universal asynchronous receiver/transmitter implemented when 1 (via IO_UART_USE generic) */
821 
  SYSINFO_FEATURES_IO_SPI           = 19, /**< SYSINFO_FEATURES (19) (r/-): Serial peripheral interface implemented when 1 (via IO_SPI_USE generic) */
822 
  SYSINFO_FEATURES_IO_TWI           = 20, /**< SYSINFO_FEATURES (20) (r/-): Two-wire interface implemented when 1 (via IO_TWI_USE generic) */
823 
  SYSINFO_FEATURES_IO_PWM           = 21, /**< SYSINFO_FEATURES (21) (r/-): Pulse-width modulation unit implemented when 1 (via IO_PWM_USE generic) */
824 
  SYSINFO_FEATURES_IO_WDT           = 22, /**< SYSINFO_FEATURES (22) (r/-): Watchdog timer implemented when 1 (via IO_WDT_USE generic) */
825 34 zero_gravi 
  SYSINFO_FEATURES_IO_CFU0          = 23, /**< SYSINFO_FEATURES (23) (r/-): Custom functions unit 0 implemented when 1 (via IO_CFU0_USE generic) */
826 
  SYSINFO_FEATURES_IO_TRNG          = 24, /**< SYSINFO_FEATURES (24) (r/-): True random number generator implemented when 1 (via IO_TRNG_USE generic) */
827 
  SYSINFO_FEATURES_IO_CFU1          = 25  /**< SYSINFO_FEATURES (25) (r/-): Custom functions unit 1 implemented when 1 (via IO_CFU1_USE generic) */
828 12 zero_gravi 
};
829 
 
830 41 zero_gravi 
/**********************************************************************//**
831 
 * SYSINFO_CACHE (r/-): Cache configuration
832 
 **************************************************************************/
833 
 enum NEORV32_SYSINFO_CACHE_enum {
834 
  SYSINFO_CACHE_IC_BLOCK_SIZE_0    =  0, /**< SYSINFO_CACHE  (0) (r/-): i-cache: log2(Block size in bytes), bit 0 (via ICACHE_BLOCK_SIZE generic) */
835 
  SYSINFO_CACHE_IC_BLOCK_SIZE_1    =  1, /**< SYSINFO_CACHE  (1) (r/-): i-cache: log2(Block size in bytes), bit 1 (via ICACHE_BLOCK_SIZE generic) */
836 
  SYSINFO_CACHE_IC_BLOCK_SIZE_2    =  2, /**< SYSINFO_CACHE  (2) (r/-): i-cache: log2(Block size in bytes), bit 2 (via ICACHE_BLOCK_SIZE generic) */
837 
  SYSINFO_CACHE_IC_BLOCK_SIZE_3    =  3, /**< SYSINFO_CACHE  (3) (r/-): i-cache: log2(Block size in bytes), bit 3 (via ICACHE_BLOCK_SIZE generic) */
838 12 zero_gravi 
 
839 41 zero_gravi 
  SYSINFO_CACHE_IC_NUM_BLOCKS_0    =  4, /**< SYSINFO_CACHE  (4) (r/-): i-cache: log2(Number of cache blocks/pages/lines), bit 0 (via ICACHE_NUM_BLOCKS generic) */
840 
  SYSINFO_CACHE_IC_NUM_BLOCKS_1    =  5, /**< SYSINFO_CACHE  (5) (r/-): i-cache: log2(Number of cache blocks/pages/lines), bit 1 (via ICACHE_NUM_BLOCKS generic) */
841 
  SYSINFO_CACHE_IC_NUM_BLOCKS_2    =  6, /**< SYSINFO_CACHE  (6) (r/-): i-cache: log2(Number of cache blocks/pages/lines), bit 2 (via ICACHE_NUM_BLOCKS generic) */
842 
  SYSINFO_CACHE_IC_NUM_BLOCKS_3    =  7, /**< SYSINFO_CACHE  (7) (r/-): i-cache: log2(Number of cache blocks/pages/lines), bit 3 (via ICACHE_NUM_BLOCKS generic) */
843 
 
844 
  SYSINFO_CACHE_IC_ASSOCIATIVITY_0 =  8, /**< SYSINFO_CACHE (10) (r/-): i-cache: log2(associativity), bit 0 (always 0 -> direct mapped) */
845 
  SYSINFO_CACHE_IC_ASSOCIATIVITY_1 =  9, /**< SYSINFO_CACHE (11) (r/-): i-cache: log2(associativity), bit 1 (always 0 -> direct mapped) */
846 
  SYSINFO_CACHE_IC_ASSOCIATIVITY_2 = 10, /**< SYSINFO_CACHE (12) (r/-): i-cache: log2(associativity), bit 2 (always 0 -> direct mapped) */
847 
  SYSINFO_CACHE_IC_ASSOCIATIVITY_3 = 11, /**< SYSINFO_CACHE (13) (r/-): i-cache: log2(associativity), bit 3 (always 0 -> direct mapped) */
848 
};
849 
 
850 
 
851 2 zero_gravi 
// ----------------------------------------------------------------------------
852 
// Include all IO driver headers
853 
// ----------------------------------------------------------------------------
854 
// cpu core
855 
#include "neorv32_cpu.h"
856 
 
857 
// neorv32 runtime environment
858 
#include "neorv32_rte.h"
859 
 
860 
// io/peripheral devices
861 26 zero_gravi 
#include "neorv32_cfu.h"
862 2 zero_gravi 
#include "neorv32_gpio.h"
863 
#include "neorv32_mtime.h"
864 
#include "neorv32_pwm.h"
865 
#include "neorv32_spi.h"
866 
#include "neorv32_trng.h"
867 
#include "neorv32_twi.h"
868 
#include "neorv32_uart.h"
869 
#include "neorv32_wdt.h"
870 
 
871 
#endif // neorv32_h

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