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// ################################################################################################# // # << NEORV32: neorv32.h - Main Core Library File >> # // # ********************************************************************************************* # // # BSD 3-Clause License # // # # // # Copyright (c) 2021, Stephan Nolting. 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 copyright holder 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. # // # ********************************************************************************************* # // # The NEORV32 Processor - https://github.com/stnolting/neorv32 (c) Stephan Nolting # // ################################################################################################# /**********************************************************************//** * @file neorv32.h * @author Stephan Nolting * * @brief Main NEORV32 core library include file. **************************************************************************/ #ifndef neorv32_h #define neorv32_h #ifdef __cplusplus extern "C" { #endif // Standard libraries #include <stdint.h> #include <inttypes.h> #include <limits.h> /**********************************************************************//** * Available CPU Control and Status Registers (CSRs) **************************************************************************/ enum NEORV32_CSR_enum { CSR_FFLAGS = 0x001, /**< 0x001 - fflags (r/w): Floating-point accrued exception flags */ CSR_FRM = 0x002, /**< 0x002 - frm (r/w): Floating-point dynamic rounding mode */ CSR_FCSR = 0x003, /**< 0x003 - fcsr (r/w): Floating-point control/staturs register (frm + fflags) */ CSR_MSTATUS = 0x300, /**< 0x300 - mstatus (r/w): Machine status register */ CSR_MISA = 0x301, /**< 0x301 - misa (r/-): CPU ISA and extensions (read-only in NEORV32) */ CSR_MIE = 0x304, /**< 0x304 - mie (r/w): Machine interrupt-enable register */ CSR_MTVEC = 0x305, /**< 0x305 - mtvec (r/w): Machine trap-handler base address (for ALL traps) */ CSR_MCOUNTEREN = 0x306, /**< 0x305 - mcounteren (r/w): Machine counter enable register (controls access rights from U-mode) */ CSR_MENVCFG = 0x30a, /**< 0x30a - menvcfg (r/-): Machine environment configuration register */ CSR_MSTATUSH = 0x310, /**< 0x310 - mstatush (r/w): Machine status register - high word */ CSR_MENVCFGH = 0x31a, /**< 0x31a - menvcfgh (r/-): Machine environment configuration register - high word */ CSR_MCOUNTINHIBIT = 0x320, /**< 0x320 - mcountinhibit (r/w): Machine counter-inhibit register */ CSR_MHPMEVENT3 = 0x323, /**< 0x323 - mhpmevent3 (r/w): Machine hardware performance monitor event selector 3 */ CSR_MHPMEVENT4 = 0x324, /**< 0x324 - mhpmevent4 (r/w): Machine hardware performance monitor event selector 4 */ CSR_MHPMEVENT5 = 0x325, /**< 0x325 - mhpmevent5 (r/w): Machine hardware performance monitor event selector 5 */ CSR_MHPMEVENT6 = 0x326, /**< 0x326 - mhpmevent6 (r/w): Machine hardware performance monitor event selector 6 */ CSR_MHPMEVENT7 = 0x327, /**< 0x327 - mhpmevent7 (r/w): Machine hardware performance monitor event selector 7 */ CSR_MHPMEVENT8 = 0x328, /**< 0x328 - mhpmevent8 (r/w): Machine hardware performance monitor event selector 8 */ CSR_MHPMEVENT9 = 0x329, /**< 0x329 - mhpmevent9 (r/w): Machine hardware performance monitor event selector 9 */ CSR_MHPMEVENT10 = 0x32a, /**< 0x32a - mhpmevent10 (r/w): Machine hardware performance monitor event selector 10 */ CSR_MHPMEVENT11 = 0x32b, /**< 0x32b - mhpmevent11 (r/w): Machine hardware performance monitor event selector 11 */ CSR_MHPMEVENT12 = 0x32c, /**< 0x32c - mhpmevent12 (r/w): Machine hardware performance monitor event selector 12 */ CSR_MHPMEVENT13 = 0x32d, /**< 0x32d - mhpmevent13 (r/w): Machine hardware performance monitor event selector 13 */ CSR_MHPMEVENT14 = 0x32e, /**< 0x32e - mhpmevent14 (r/w): Machine hardware performance monitor event selector 14 */ CSR_MHPMEVENT15 = 0x32f, /**< 0x32f - mhpmevent15 (r/w): Machine hardware performance monitor event selector 15 */ CSR_MHPMEVENT16 = 0x330, /**< 0x330 - mhpmevent16 (r/w): Machine hardware performance monitor event selector 16 */ CSR_MHPMEVENT17 = 0x331, /**< 0x331 - mhpmevent17 (r/w): Machine hardware performance monitor event selector 17 */ CSR_MHPMEVENT18 = 0x332, /**< 0x332 - mhpmevent18 (r/w): Machine hardware performance monitor event selector 18 */ CSR_MHPMEVENT19 = 0x333, /**< 0x333 - mhpmevent19 (r/w): Machine hardware performance monitor event selector 19 */ CSR_MHPMEVENT20 = 0x334, /**< 0x334 - mhpmevent20 (r/w): Machine hardware performance monitor event selector 20 */ CSR_MHPMEVENT21 = 0x335, /**< 0x335 - mhpmevent21 (r/w): Machine hardware performance monitor event selector 21 */ CSR_MHPMEVENT22 = 0x336, /**< 0x336 - mhpmevent22 (r/w): Machine hardware performance monitor event selector 22 */ CSR_MHPMEVENT23 = 0x337, /**< 0x337 - mhpmevent23 (r/w): Machine hardware performance monitor event selector 23 */ CSR_MHPMEVENT24 = 0x338, /**< 0x338 - mhpmevent24 (r/w): Machine hardware performance monitor event selector 24 */ CSR_MHPMEVENT25 = 0x339, /**< 0x339 - mhpmevent25 (r/w): Machine hardware performance monitor event selector 25 */ CSR_MHPMEVENT26 = 0x33a, /**< 0x33a - mhpmevent26 (r/w): Machine hardware performance monitor event selector 26 */ CSR_MHPMEVENT27 = 0x33b, /**< 0x33b - mhpmevent27 (r/w): Machine hardware performance monitor event selector 27 */ CSR_MHPMEVENT28 = 0x33c, /**< 0x33c - mhpmevent28 (r/w): Machine hardware performance monitor event selector 28 */ CSR_MHPMEVENT29 = 0x33d, /**< 0x33d - mhpmevent29 (r/w): Machine hardware performance monitor event selector 29 */ CSR_MHPMEVENT30 = 0x33e, /**< 0x33e - mhpmevent30 (r/w): Machine hardware performance monitor event selector 30 */ CSR_MHPMEVENT31 = 0x33f, /**< 0x33f - mhpmevent31 (r/w): Machine hardware performance monitor event selector 31 */ CSR_MSCRATCH = 0x340, /**< 0x340 - mscratch (r/w): Machine scratch register */ CSR_MEPC = 0x341, /**< 0x341 - mepc (r/w): Machine exception program counter */ CSR_MCAUSE = 0x342, /**< 0x342 - mcause (r/w): Machine trap cause */ CSR_MTVAL = 0x343, /**< 0x343 - mtval (r/-): Machine bad address or instruction */ CSR_MIP = 0x344, /**< 0x344 - mip (r/-): Machine interrupt pending register */ CSR_PMPCFG0 = 0x3a0, /**< 0x3a0 - pmpcfg0 (r/w): Physical memory protection configuration register 0 */ CSR_PMPCFG1 = 0x3a1, /**< 0x3a1 - pmpcfg1 (r/w): Physical memory protection configuration register 1 */ CSR_PMPCFG2 = 0x3a2, /**< 0x3a2 - pmpcfg2 (r/w): Physical memory protection configuration register 2 */ CSR_PMPCFG3 = 0x3a3, /**< 0x3a3 - pmpcfg3 (r/w): Physical memory protection configuration register 3 */ CSR_PMPCFG4 = 0x3a4, /**< 0x3a4 - pmpcfg4 (r/w): Physical memory protection configuration register 4 */ CSR_PMPCFG5 = 0x3a5, /**< 0x3a5 - pmpcfg5 (r/w): Physical memory protection configuration register 5 */ CSR_PMPCFG6 = 0x3a6, /**< 0x3a6 - pmpcfg6 (r/w): Physical memory protection configuration register 6 */ CSR_PMPCFG7 = 0x3a7, /**< 0x3a7 - pmpcfg7 (r/w): Physical memory protection configuration register 7 */ CSR_PMPCFG8 = 0x3a8, /**< 0x3a8 - pmpcfg8 (r/w): Physical memory protection configuration register 8 */ CSR_PMPCFG9 = 0x3a9, /**< 0x3a9 - pmpcfg9 (r/w): Physical memory protection configuration register 9 */ CSR_PMPCFG10 = 0x3aa, /**< 0x3aa - pmpcfg10 (r/w): Physical memory protection configuration register 10 */ CSR_PMPCFG11 = 0x3ab, /**< 0x3ab - pmpcfg11 (r/w): Physical memory protection configuration register 11 */ CSR_PMPCFG12 = 0x3ac, /**< 0x3ac - pmpcfg12 (r/w): Physical memory protection configuration register 12 */ CSR_PMPCFG13 = 0x3ad, /**< 0x3ad - pmpcfg13 (r/w): Physical memory protection configuration register 13 */ CSR_PMPCFG14 = 0x3ae, /**< 0x3ae - pmpcfg14 (r/w): Physical memory protection configuration register 14 */ CSR_PMPCFG15 = 0x3af, /**< 0x3af - pmpcfg15 (r/w): Physical memory protection configuration register 15 */ CSR_PMPADDR0 = 0x3b0, /**< 0x3b0 - pmpaddr0 (r/w): Physical memory protection address register 0 */ CSR_PMPADDR1 = 0x3b1, /**< 0x3b1 - pmpaddr1 (r/w): Physical memory protection address register 1 */ CSR_PMPADDR2 = 0x3b2, /**< 0x3b2 - pmpaddr2 (r/w): Physical memory protection address register 2 */ CSR_PMPADDR3 = 0x3b3, /**< 0x3b3 - pmpaddr3 (r/w): Physical memory protection address register 3 */ CSR_PMPADDR4 = 0x3b4, /**< 0x3b4 - pmpaddr4 (r/w): Physical memory protection address register 4 */ CSR_PMPADDR5 = 0x3b5, /**< 0x3b5 - pmpaddr5 (r/w): Physical memory protection address register 5 */ CSR_PMPADDR6 = 0x3b6, /**< 0x3b6 - pmpaddr6 (r/w): Physical memory protection address register 6 */ CSR_PMPADDR7 = 0x3b7, /**< 0x3b7 - pmpaddr7 (r/w): Physical memory protection address register 7 */ CSR_PMPADDR8 = 0x3b8, /**< 0x3b8 - pmpaddr8 (r/w): Physical memory protection address register 8 */ CSR_PMPADDR9 = 0x3b9, /**< 0x3b9 - pmpaddr9 (r/w): Physical memory protection address register 9 */ CSR_PMPADDR10 = 0x3ba, /**< 0x3ba - pmpaddr10 (r/w): Physical memory protection address register 10 */ CSR_PMPADDR11 = 0x3bb, /**< 0x3bb - pmpaddr11 (r/w): Physical memory protection address register 11 */ CSR_PMPADDR12 = 0x3bc, /**< 0x3bc - pmpaddr12 (r/w): Physical memory protection address register 12 */ CSR_PMPADDR13 = 0x3bd, /**< 0x3bd - pmpaddr13 (r/w): Physical memory protection address register 13 */ CSR_PMPADDR14 = 0x3be, /**< 0x3be - pmpaddr14 (r/w): Physical memory protection address register 14 */ CSR_PMPADDR15 = 0x3bf, /**< 0x3bf - pmpaddr15 (r/w): Physical memory protection address register 15 */ CSR_PMPADDR16 = 0x3c0, /**< 0x3c0 - pmpaddr16 (r/w): Physical memory protection address register 16 */ CSR_PMPADDR17 = 0x3c1, /**< 0x3c1 - pmpaddr17 (r/w): Physical memory protection address register 17 */ CSR_PMPADDR18 = 0x3c2, /**< 0x3c2 - pmpaddr18 (r/w): Physical memory protection address register 18 */ CSR_PMPADDR19 = 0x3c3, /**< 0x3c3 - pmpaddr19 (r/w): Physical memory protection address register 19 */ CSR_PMPADDR20 = 0x3c4, /**< 0x3c4 - pmpaddr20 (r/w): Physical memory protection address register 20 */ CSR_PMPADDR21 = 0x3c5, /**< 0x3c5 - pmpaddr21 (r/w): Physical memory protection address register 21 */ CSR_PMPADDR22 = 0x3c6, /**< 0x3c6 - pmpaddr22 (r/w): Physical memory protection address register 22 */ CSR_PMPADDR23 = 0x3c7, /**< 0x3c7 - pmpaddr23 (r/w): Physical memory protection address register 23 */ CSR_PMPADDR24 = 0x3c8, /**< 0x3c8 - pmpaddr24 (r/w): Physical memory protection address register 24 */ CSR_PMPADDR25 = 0x3c9, /**< 0x3c9 - pmpaddr25 (r/w): Physical memory protection address register 25 */ CSR_PMPADDR26 = 0x3ca, /**< 0x3ca - pmpaddr26 (r/w): Physical memory protection address register 26 */ CSR_PMPADDR27 = 0x3cb, /**< 0x3cb - pmpaddr27 (r/w): Physical memory protection address register 27 */ CSR_PMPADDR28 = 0x3cc, /**< 0x3cc - pmpaddr28 (r/w): Physical memory protection address register 28 */ CSR_PMPADDR29 = 0x3cd, /**< 0x3cd - pmpaddr29 (r/w): Physical memory protection address register 29 */ CSR_PMPADDR30 = 0x3ce, /**< 0x3ce - pmpaddr30 (r/w): Physical memory protection address register 30 */ CSR_PMPADDR31 = 0x3cf, /**< 0x3cf - pmpaddr31 (r/w): Physical memory protection address register 31 */ CSR_PMPADDR32 = 0x3d0, /**< 0x3d0 - pmpaddr32 (r/w): Physical memory protection address register 32 */ CSR_PMPADDR33 = 0x3d1, /**< 0x3d1 - pmpaddr33 (r/w): Physical memory protection address register 33 */ CSR_PMPADDR34 = 0x3d2, /**< 0x3d2 - pmpaddr34 (r/w): Physical memory protection address register 34 */ CSR_PMPADDR35 = 0x3d3, /**< 0x3d3 - pmpaddr35 (r/w): Physical memory protection address register 35 */ CSR_PMPADDR36 = 0x3d4, /**< 0x3d4 - pmpaddr36 (r/w): Physical memory protection address register 36 */ CSR_PMPADDR37 = 0x3d5, /**< 0x3d5 - pmpaddr37 (r/w): Physical memory protection address register 37 */ CSR_PMPADDR38 = 0x3d6, /**< 0x3d6 - pmpaddr38 (r/w): Physical memory protection address register 38 */ CSR_PMPADDR39 = 0x3d7, /**< 0x3d7 - pmpaddr39 (r/w): Physical memory protection address register 39 */ CSR_PMPADDR40 = 0x3d8, /**< 0x3d8 - pmpaddr40 (r/w): Physical memory protection address register 40 */ CSR_PMPADDR41 = 0x3d9, /**< 0x3d9 - pmpaddr41 (r/w): Physical memory protection address register 41 */ CSR_PMPADDR42 = 0x3da, /**< 0x3da - pmpaddr42 (r/w): Physical memory protection address register 42 */ CSR_PMPADDR43 = 0x3db, /**< 0x3db - pmpaddr43 (r/w): Physical memory protection address register 43 */ CSR_PMPADDR44 = 0x3dc, /**< 0x3dc - pmpaddr44 (r/w): Physical memory protection address register 44 */ CSR_PMPADDR45 = 0x3dd, /**< 0x3dd - pmpaddr45 (r/w): Physical memory protection address register 45 */ CSR_PMPADDR46 = 0x3de, /**< 0x3de - pmpaddr46 (r/w): Physical memory protection address register 46 */ CSR_PMPADDR47 = 0x3df, /**< 0x3df - pmpaddr47 (r/w): Physical memory protection address register 47 */ CSR_PMPADDR48 = 0x3e0, /**< 0x3e0 - pmpaddr48 (r/w): Physical memory protection address register 48 */ CSR_PMPADDR49 = 0x3e1, /**< 0x3e1 - pmpaddr49 (r/w): Physical memory protection address register 49 */ CSR_PMPADDR50 = 0x3e2, /**< 0x3e2 - pmpaddr50 (r/w): Physical memory protection address register 50 */ CSR_PMPADDR51 = 0x3e3, /**< 0x3e3 - pmpaddr51 (r/w): Physical memory protection address register 51 */ CSR_PMPADDR52 = 0x3e4, /**< 0x3e4 - pmpaddr52 (r/w): Physical memory protection address register 52 */ CSR_PMPADDR53 = 0x3e5, /**< 0x3e5 - pmpaddr53 (r/w): Physical memory protection address register 53 */ CSR_PMPADDR54 = 0x3e6, /**< 0x3e6 - pmpaddr54 (r/w): Physical memory protection address register 54 */ CSR_PMPADDR55 = 0x3e7, /**< 0x3e7 - pmpaddr55 (r/w): Physical memory protection address register 55 */ CSR_PMPADDR56 = 0x3e8, /**< 0x3e8 - pmpaddr56 (r/w): Physical memory protection address register 56 */ CSR_PMPADDR57 = 0x3e9, /**< 0x3e9 - pmpaddr57 (r/w): Physical memory protection address register 57 */ CSR_PMPADDR58 = 0x3ea, /**< 0x3ea - pmpaddr58 (r/w): Physical memory protection address register 58 */ CSR_PMPADDR59 = 0x3eb, /**< 0x3eb - pmpaddr59 (r/w): Physical memory protection address register 59 */ CSR_PMPADDR60 = 0x3ec, /**< 0x3ec - pmpaddr60 (r/w): Physical memory protection address register 60 */ CSR_PMPADDR61 = 0x3ed, /**< 0x3ed - pmpaddr61 (r/w): Physical memory protection address register 61 */ CSR_PMPADDR62 = 0x3ee, /**< 0x3ee - pmpaddr62 (r/w): Physical memory protection address register 62 */ CSR_PMPADDR63 = 0x3ef, /**< 0x3ef - pmpaddr63 (r/w): Physical memory protection address register 63 */ CSR_MCYCLE = 0xb00, /**< 0xb00 - mcycle (r/w): Machine cycle counter low word */ CSR_MINSTRET = 0xb02, /**< 0xb02 - minstret (r/w): Machine instructions-retired counter low word */ CSR_MHPMCOUNTER3 = 0xb03, /**< 0xb03 - mhpmcounter3 (r/w): Machine hardware performance monitor 3 counter low word */ CSR_MHPMCOUNTER4 = 0xb04, /**< 0xb04 - mhpmcounter4 (r/w): Machine hardware performance monitor 4 counter low word */ CSR_MHPMCOUNTER5 = 0xb05, /**< 0xb05 - mhpmcounter5 (r/w): Machine hardware performance monitor 5 counter low word */ CSR_MHPMCOUNTER6 = 0xb06, /**< 0xb06 - mhpmcounter6 (r/w): Machine hardware performance monitor 6 counter low word */ CSR_MHPMCOUNTER7 = 0xb07, /**< 0xb07 - mhpmcounter7 (r/w): Machine hardware performance monitor 7 counter low word */ CSR_MHPMCOUNTER8 = 0xb08, /**< 0xb08 - mhpmcounter8 (r/w): Machine hardware performance monitor 8 counter low word */ CSR_MHPMCOUNTER9 = 0xb09, /**< 0xb09 - mhpmcounter9 (r/w): Machine hardware performance monitor 9 counter low word */ CSR_MHPMCOUNTER10 = 0xb0a, /**< 0xb0a - mhpmcounter10 (r/w): Machine hardware performance monitor 10 counter low word */ CSR_MHPMCOUNTER11 = 0xb0b, /**< 0xb0b - mhpmcounter11 (r/w): Machine hardware performance monitor 11 counter low word */ CSR_MHPMCOUNTER12 = 0xb0c, /**< 0xb0c - mhpmcounter12 (r/w): Machine hardware performance monitor 12 counter low word */ CSR_MHPMCOUNTER13 = 0xb0d, /**< 0xb0d - mhpmcounter13 (r/w): Machine hardware performance monitor 13 counter low word */ CSR_MHPMCOUNTER14 = 0xb0e, /**< 0xb0e - mhpmcounter14 (r/w): Machine hardware performance monitor 14 counter low word */ CSR_MHPMCOUNTER15 = 0xb0f, /**< 0xb0f - mhpmcounter15 (r/w): Machine hardware performance monitor 15 counter low word */ CSR_MHPMCOUNTER16 = 0xb10, /**< 0xb10 - mhpmcounter16 (r/w): Machine hardware performance monitor 16 counter low word */ CSR_MHPMCOUNTER17 = 0xb11, /**< 0xb11 - mhpmcounter17 (r/w): Machine hardware performance monitor 17 counter low word */ CSR_MHPMCOUNTER18 = 0xb12, /**< 0xb12 - mhpmcounter18 (r/w): Machine hardware performance monitor 18 counter low word */ CSR_MHPMCOUNTER19 = 0xb13, /**< 0xb13 - mhpmcounter19 (r/w): Machine hardware performance monitor 19 counter low word */ CSR_MHPMCOUNTER20 = 0xb14, /**< 0xb14 - mhpmcounter20 (r/w): Machine hardware performance monitor 20 counter low word */ CSR_MHPMCOUNTER21 = 0xb15, /**< 0xb15 - mhpmcounter21 (r/w): Machine hardware performance monitor 21 counter low word */ CSR_MHPMCOUNTER22 = 0xb16, /**< 0xb16 - mhpmcounter22 (r/w): Machine hardware performance monitor 22 counter low word */ CSR_MHPMCOUNTER23 = 0xb17, /**< 0xb17 - mhpmcounter23 (r/w): Machine hardware performance monitor 23 counter low word */ CSR_MHPMCOUNTER24 = 0xb18, /**< 0xb18 - mhpmcounter24 (r/w): Machine hardware performance monitor 24 counter low word */ CSR_MHPMCOUNTER25 = 0xb19, /**< 0xb19 - mhpmcounter25 (r/w): Machine hardware performance monitor 25 counter low word */ CSR_MHPMCOUNTER26 = 0xb1a, /**< 0xb1a - mhpmcounter26 (r/w): Machine hardware performance monitor 26 counter low word */ CSR_MHPMCOUNTER27 = 0xb1b, /**< 0xb1b - mhpmcounter27 (r/w): Machine hardware performance monitor 27 counter low word */ CSR_MHPMCOUNTER28 = 0xb1c, /**< 0xb1c - mhpmcounter28 (r/w): Machine hardware performance monitor 28 counter low word */ CSR_MHPMCOUNTER29 = 0xb1d, /**< 0xb1d - mhpmcounter29 (r/w): Machine hardware performance monitor 29 counter low word */ CSR_MHPMCOUNTER30 = 0xb1e, /**< 0xb1e - mhpmcounter30 (r/w): Machine hardware performance monitor 30 counter low word */ CSR_MHPMCOUNTER31 = 0xb1f, /**< 0xb1f - mhpmcounter31 (r/w): Machine hardware performance monitor 31 counter low word */ CSR_MCYCLEH = 0xb80, /**< 0xb80 - mcycleh (r/w): Machine cycle counter high word */ CSR_MINSTRETH = 0xb82, /**< 0xb82 - minstreth (r/w): Machine instructions-retired counter high word */ CSR_MHPMCOUNTER3H = 0xb83, /**< 0xb83 - mhpmcounter3h (r/w): Machine hardware performance monitor 3 counter high word */ CSR_MHPMCOUNTER4H = 0xb84, /**< 0xb84 - mhpmcounter4h (r/w): Machine hardware performance monitor 4 counter high word */ CSR_MHPMCOUNTER5H = 0xb85, /**< 0xb85 - mhpmcounter5h (r/w): Machine hardware performance monitor 5 counter high word */ CSR_MHPMCOUNTER6H = 0xb86, /**< 0xb86 - mhpmcounter6h (r/w): Machine hardware performance monitor 6 counter high word */ CSR_MHPMCOUNTER7H = 0xb87, /**< 0xb87 - mhpmcounter7h (r/w): Machine hardware performance monitor 7 counter high word */ CSR_MHPMCOUNTER8H = 0xb88, /**< 0xb88 - mhpmcounter8h (r/w): Machine hardware performance monitor 8 counter high word */ CSR_MHPMCOUNTER9H = 0xb89, /**< 0xb89 - mhpmcounter9h (r/w): Machine hardware performance monitor 9 counter high word */ CSR_MHPMCOUNTER10H = 0xb8a, /**< 0xb8a - mhpmcounter10h (r/w): Machine hardware performance monitor 10 counter high word */ CSR_MHPMCOUNTER11H = 0xb8b, /**< 0xb8b - mhpmcounter11h (r/w): Machine hardware performance monitor 11 counter high word */ CSR_MHPMCOUNTER12H = 0xb8c, /**< 0xb8c - mhpmcounter12h (r/w): Machine hardware performance monitor 12 counter high word */ CSR_MHPMCOUNTER13H = 0xb8d, /**< 0xb8d - mhpmcounter13h (r/w): Machine hardware performance monitor 13 counter high word */ CSR_MHPMCOUNTER14H = 0xb8e, /**< 0xb8e - mhpmcounter14h (r/w): Machine hardware performance monitor 14 counter high word */ CSR_MHPMCOUNTER15H = 0xb8f, /**< 0xb8f - mhpmcounter15h (r/w): Machine hardware performance monitor 15 counter high word */ CSR_MHPMCOUNTER16H = 0xb90, /**< 0xb90 - mhpmcounter16h (r/w): Machine hardware performance monitor 16 counter high word */ CSR_MHPMCOUNTER17H = 0xb91, /**< 0xb91 - mhpmcounter17h (r/w): Machine hardware performance monitor 17 counter high word */ CSR_MHPMCOUNTER18H = 0xb92, /**< 0xb92 - mhpmcounter18h (r/w): Machine hardware performance monitor 18 counter high word */ CSR_MHPMCOUNTER19H = 0xb93, /**< 0xb93 - mhpmcounter19h (r/w): Machine hardware performance monitor 19 counter high word */ CSR_MHPMCOUNTER20H = 0xb94, /**< 0xb94 - mhpmcounter20h (r/w): Machine hardware performance monitor 20 counter high word */ CSR_MHPMCOUNTER21H = 0xb95, /**< 0xb95 - mhpmcounter21h (r/w): Machine hardware performance monitor 21 counter high word */ CSR_MHPMCOUNTER22H = 0xb96, /**< 0xb96 - mhpmcounter22h (r/w): Machine hardware performance monitor 22 counter high word */ CSR_MHPMCOUNTER23H = 0xb97, /**< 0xb97 - mhpmcounter23h (r/w): Machine hardware performance monitor 23 counter high word */ CSR_MHPMCOUNTER24H = 0xb98, /**< 0xb98 - mhpmcounter24h (r/w): Machine hardware performance monitor 24 counter high word */ CSR_MHPMCOUNTER25H = 0xb99, /**< 0xb99 - mhpmcounter25h (r/w): Machine hardware performance monitor 25 counter high word */ CSR_MHPMCOUNTER26H = 0xb9a, /**< 0xb9a - mhpmcounter26h (r/w): Machine hardware performance monitor 26 counter high word */ CSR_MHPMCOUNTER27H = 0xb9b, /**< 0xb9b - mhpmcounter27h (r/w): Machine hardware performance monitor 27 counter high word */ CSR_MHPMCOUNTER28H = 0xb9c, /**< 0xb9c - mhpmcounter28h (r/w): Machine hardware performance monitor 28 counter high word */ CSR_MHPMCOUNTER29H = 0xb9d, /**< 0xb9d - mhpmcounter29h (r/w): Machine hardware performance monitor 29 counter high word */ CSR_MHPMCOUNTER30H = 0xb9e, /**< 0xb9e - mhpmcounter30h (r/w): Machine hardware performance monitor 30 counter high word */ CSR_MHPMCOUNTER31H = 0xb9f, /**< 0xb9f - mhpmcounter31h (r/w): Machine hardware performance monitor 31 counter high word */ CSR_CYCLE = 0xc00, /**< 0xc00 - cycle (r/-): Cycle counter low word (from MCYCLE) */ CSR_TIME = 0xc01, /**< 0xc01 - time (r/-): Timer low word (from MTIME.TIME_LO) */ CSR_INSTRET = 0xc02, /**< 0xc02 - instret (r/-): Instructions-retired counter low word (from MINSTRET) */ CSR_CYCLEH = 0xc80, /**< 0xc80 - cycleh (r/-): Cycle counter high word (from MCYCLEH) */ CSR_TIMEH = 0xc81, /**< 0xc81 - timeh (r/-): Timer high word (from MTIME.TIME_HI) */ CSR_INSTRETH = 0xc82, /**< 0xc82 - instreth (r/-): Instructions-retired counter high word (from MINSTRETH) */ CSR_MVENDORID = 0xf11, /**< 0xf11 - mvendorid (r/-): Vendor ID */ CSR_MARCHID = 0xf12, /**< 0xf12 - marchid (r/-): Architecture ID */ CSR_MIMPID = 0xf13, /**< 0xf13 - mimpid (r/-): Implementation ID/version */ CSR_MHARTID = 0xf14, /**< 0xf14 - mhartid (r/-): Hardware thread ID (always 0) */ CSR_MCONFIGPTR = 0xf15 /**< 0xf15 - mconfigptr (r/-): Machine configuration pointer register */ }; /**********************************************************************//** * CPU <b>mstatus</b> CSR (r/w): Machine status (RISC-V spec.) **************************************************************************/ enum NEORV32_CSR_MSTATUS_enum { CSR_MSTATUS_MIE = 3, /**< CPU mstatus CSR (3): MIE - Machine interrupt enable bit (r/w) */ CSR_MSTATUS_MPIE = 7, /**< CPU mstatus CSR (7): MPIE - Machine previous interrupt enable bit (r/w) */ CSR_MSTATUS_MPP_L = 11, /**< CPU mstatus CSR (11): MPP_L - Machine previous privilege mode bit low (r/w) */ CSR_MSTATUS_MPP_H = 12 /**< CPU mstatus CSR (12): MPP_H - Machine previous privilege mode bit high (r/w) */ }; /**********************************************************************//** * CPU <b>mcounteren</b> CSR (r/w): Machine counter enable (RISC-V spec.) **************************************************************************/ enum NEORV32_CSR_MCOUNTEREN_enum { CSR_MCOUNTEREN_CY = 0, /**< CPU mcounteren CSR (0): CY - Allow access to cycle[h] CSRs from U-mode when set (r/w) */ CSR_MCOUNTEREN_TM = 1, /**< CPU mcounteren CSR (1): TM - Allow access to time[h] CSRs from U-mode when set (r/w) */ CSR_MCOUNTEREN_IR = 2 /**< CPU mcounteren CSR (2): IR - Allow access to instret[h] CSRs from U-mode when set (r/w) */ }; /**********************************************************************//** * CPU <b>mcountinhibit</b> CSR (r/w): Machine counter-inhibit (RISC-V spec.) **************************************************************************/ enum NEORV32_CSR_MCOUNTINHIBIT_enum { CSR_MCOUNTINHIBIT_CY = 0, /**< CPU mcountinhibit CSR (0): CY - Enable auto-increment of [m]cycle[h] CSR when set (r/w) */ CSR_MCOUNTINHIBIT_IR = 2, /**< CPU mcountinhibit CSR (2): IR - Enable auto-increment of [m]instret[h] CSR when set (r/w) */ CSR_MCOUNTINHIBIT_HPM3 = 3, /**< CPU mcountinhibit CSR (3): HPM3 - Enable auto-increment of hpmcnt3[h] when set (r/w) */ CSR_MCOUNTINHIBIT_HPM4 = 4, /**< CPU mcountinhibit CSR (4): HPM4 - Enable auto-increment of hpmcnt4[h] when set (r/w) */ CSR_MCOUNTINHIBIT_HPM5 = 5, /**< CPU mcountinhibit CSR (5): HPM5 - Enable auto-increment of hpmcnt5[h] when set (r/w) */ CSR_MCOUNTINHIBIT_HPM6 = 6, /**< CPU mcountinhibit CSR (6): HPM6 - Enable auto-increment of hpmcnt6[h] when set (r/w) */ CSR_MCOUNTINHIBIT_HPM7 = 7, /**< CPU mcountinhibit CSR (7): HPM7 - Enable auto-increment of hpmcnt7[h] when set (r/w) */ CSR_MCOUNTINHIBIT_HPM8 = 8, /**< CPU mcountinhibit CSR (8): HPM8 - Enable auto-increment of hpmcnt8[h] when set (r/w) */ CSR_MCOUNTINHIBIT_HPM9 = 9, /**< CPU mcountinhibit CSR (9): HPM9 - Enable auto-increment of hpmcnt9[h] when set (r/w) */ CSR_MCOUNTINHIBIT_HPM10 = 10, /**< CPU mcountinhibit CSR (10): HPM10 - Enable auto-increment of hpmcnt10[h] when set (r/w) */ CSR_MCOUNTINHIBIT_HPM11 = 11, /**< CPU mcountinhibit CSR (11): HPM11 - Enable auto-increment of hpmcnt11[h] when set (r/w) */ CSR_MCOUNTINHIBIT_HPM12 = 12, /**< CPU mcountinhibit CSR (12): HPM12 - Enable auto-increment of hpmcnt12[h] when set (r/w) */ CSR_MCOUNTINHIBIT_HPM13 = 13, /**< CPU mcountinhibit CSR (13): HPM13 - Enable auto-increment of hpmcnt13[h] when set (r/w) */ CSR_MCOUNTINHIBIT_HPM14 = 14, /**< CPU mcountinhibit CSR (14): HPM14 - Enable auto-increment of hpmcnt14[h] when set (r/w) */ CSR_MCOUNTINHIBIT_HPM15 = 15, /**< CPU mcountinhibit CSR (15): HPM15 - Enable auto-increment of hpmcnt15[h] when set (r/w) */ CSR_MCOUNTINHIBIT_HPM16 = 16, /**< CPU mcountinhibit CSR (16): HPM16 - Enable auto-increment of hpmcnt16[h] when set (r/w) */ CSR_MCOUNTINHIBIT_HPM17 = 17, /**< CPU mcountinhibit CSR (17): HPM17 - Enable auto-increment of hpmcnt17[h] when set (r/w) */ CSR_MCOUNTINHIBIT_HPM18 = 18, /**< CPU mcountinhibit CSR (18): HPM18 - Enable auto-increment of hpmcnt18[h] when set (r/w) */ CSR_MCOUNTINHIBIT_HPM19 = 19, /**< CPU mcountinhibit CSR (19): HPM19 - Enable auto-increment of hpmcnt19[h] when set (r/w) */ CSR_MCOUNTINHIBIT_HPM20 = 20, /**< CPU mcountinhibit CSR (20): HPM20 - Enable auto-increment of hpmcnt20[h] when set (r/w) */ CSR_MCOUNTINHIBIT_HPM21 = 21, /**< CPU mcountinhibit CSR (21): HPM21 - Enable auto-increment of hpmcnt21[h] when set (r/w) */ CSR_MCOUNTINHIBIT_HPM22 = 22, /**< CPU mcountinhibit CSR (22): HPM22 - Enable auto-increment of hpmcnt22[h] when set (r/w) */ CSR_MCOUNTINHIBIT_HPM23 = 23, /**< CPU mcountinhibit CSR (23): HPM23 - Enable auto-increment of hpmcnt23[h] when set (r/w) */ CSR_MCOUNTINHIBIT_HPM24 = 24, /**< CPU mcountinhibit CSR (24): HPM24 - Enable auto-increment of hpmcnt24[h] when set (r/w) */ CSR_MCOUNTINHIBIT_HPM25 = 25, /**< CPU mcountinhibit CSR (25): HPM25 - Enable auto-increment of hpmcnt25[h] when set (r/w) */ CSR_MCOUNTINHIBIT_HPM26 = 26, /**< CPU mcountinhibit CSR (26): HPM26 - Enable auto-increment of hpmcnt26[h] when set (r/w) */ CSR_MCOUNTINHIBIT_HPM27 = 27, /**< CPU mcountinhibit CSR (27): HPM27 - Enable auto-increment of hpmcnt27[h] when set (r/w) */ CSR_MCOUNTINHIBIT_HPM28 = 28, /**< CPU mcountinhibit CSR (28): HPM28 - Enable auto-increment of hpmcnt28[h] when set (r/w) */ CSR_MCOUNTINHIBIT_HPM29 = 29, /**< CPU mcountinhibit CSR (29): HPM29 - Enable auto-increment of hpmcnt29[h] when set (r/w) */ CSR_MCOUNTINHIBIT_HPM30 = 30, /**< CPU mcountinhibit CSR (30): HPM30 - Enable auto-increment of hpmcnt30[h] when set (r/w) */ CSR_MCOUNTINHIBIT_HPM31 = 31 /**< CPU mcountinhibit CSR (31): HPM31 - Enable auto-increment of hpmcnt31[h] when set (r/w) */ }; /**********************************************************************//** * CPU <b>mie</b> CSR (r/w): Machine interrupt enable (RISC-V spec.) **************************************************************************/ enum NEORV32_CSR_MIE_enum { CSR_MIE_MSIE = 3, /**< CPU mie CSR (3): MSIE - Machine software interrupt enable (r/w) */ CSR_MIE_MTIE = 7, /**< CPU mie CSR (7): MTIE - Machine timer interrupt enable bit (r/w) */ CSR_MIE_MEIE = 11, /**< CPU mie CSR (11): MEIE - Machine external interrupt enable bit (r/w) */ CSR_MIE_FIRQ0E = 16, /**< CPU mie CSR (16): FIRQ0E - Fast interrupt channel 0 enable bit (r/w) */ CSR_MIE_FIRQ1E = 17, /**< CPU mie CSR (17): FIRQ1E - Fast interrupt channel 1 enable bit (r/w) */ CSR_MIE_FIRQ2E = 18, /**< CPU mie CSR (18): FIRQ2E - Fast interrupt channel 2 enable bit (r/w) */ CSR_MIE_FIRQ3E = 19, /**< CPU mie CSR (19): FIRQ3E - Fast interrupt channel 3 enable bit (r/w) */ CSR_MIE_FIRQ4E = 20, /**< CPU mie CSR (20): FIRQ4E - Fast interrupt channel 4 enable bit (r/w) */ CSR_MIE_FIRQ5E = 21, /**< CPU mie CSR (21): FIRQ5E - Fast interrupt channel 5 enable bit (r/w) */ CSR_MIE_FIRQ6E = 22, /**< CPU mie CSR (22): FIRQ6E - Fast interrupt channel 6 enable bit (r/w) */ CSR_MIE_FIRQ7E = 23, /**< CPU mie CSR (23): FIRQ7E - Fast interrupt channel 7 enable bit (r/w) */ CSR_MIE_FIRQ8E = 24, /**< CPU mie CSR (24): FIRQ8E - Fast interrupt channel 8 enable bit (r/w) */ CSR_MIE_FIRQ9E = 25, /**< CPU mie CSR (25): FIRQ9E - Fast interrupt channel 9 enable bit (r/w) */ CSR_MIE_FIRQ10E = 26, /**< CPU mie CSR (26): FIRQ10E - Fast interrupt channel 10 enable bit (r/w) */ CSR_MIE_FIRQ11E = 27, /**< CPU mie CSR (27): FIRQ11E - Fast interrupt channel 11 enable bit (r/w) */ CSR_MIE_FIRQ12E = 28, /**< CPU mie CSR (28): FIRQ12E - Fast interrupt channel 12 enable bit (r/w) */ CSR_MIE_FIRQ13E = 29, /**< CPU mie CSR (29): FIRQ13E - Fast interrupt channel 13 enable bit (r/w) */ CSR_MIE_FIRQ14E = 30, /**< CPU mie CSR (30): FIRQ14E - Fast interrupt channel 14 enable bit (r/w) */ CSR_MIE_FIRQ15E = 31 /**< CPU mie CSR (31): FIRQ15E - Fast interrupt channel 15 enable bit (r/w) */ }; /**********************************************************************//** * CPU <b>mip</b> CSR (r/-): Machine interrupt pending (RISC-V spec.) **************************************************************************/ enum NEORV32_CSR_MIP_enum { CSR_MIP_MSIP = 3, /**< CPU mip CSR (3): MSIP - Machine software interrupt pending (r/-) */ CSR_MIP_MTIP = 7, /**< CPU mip CSR (7): MTIP - Machine timer interrupt pending (r/-) */ CSR_MIP_MEIP = 11, /**< CPU mip CSR (11): MEIP - Machine external interrupt pending (r/-) */ CSR_MIP_FIRQ0P = 16, /**< CPU mip CSR (16): FIRQ0P - Fast interrupt channel 0 pending (r/-) */ CSR_MIP_FIRQ1P = 17, /**< CPU mip CSR (17): FIRQ1P - Fast interrupt channel 1 pending (r/-) */ CSR_MIP_FIRQ2P = 18, /**< CPU mip CSR (18): FIRQ2P - Fast interrupt channel 2 pending (r/-) */ CSR_MIP_FIRQ3P = 19, /**< CPU mip CSR (19): FIRQ3P - Fast interrupt channel 3 pending (r/-) */ CSR_MIP_FIRQ4P = 20, /**< CPU mip CSR (20): FIRQ4P - Fast interrupt channel 4 pending (r/-) */ CSR_MIP_FIRQ5P = 21, /**< CPU mip CSR (21): FIRQ5P - Fast interrupt channel 5 pending (r/-) */ CSR_MIP_FIRQ6P = 22, /**< CPU mip CSR (22): FIRQ6P - Fast interrupt channel 6 pending (r/-) */ CSR_MIP_FIRQ7P = 23, /**< CPU mip CSR (23): FIRQ7P - Fast interrupt channel 7 pending (r/-) */ CSR_MIP_FIRQ8P = 24, /**< CPU mip CSR (24): FIRQ8P - Fast interrupt channel 8 pending (r/-) */ CSR_MIP_FIRQ9P = 25, /**< CPU mip CSR (25): FIRQ9P - Fast interrupt channel 9 pending (r/-) */ CSR_MIP_FIRQ10P = 26, /**< CPU mip CSR (26): FIRQ10P - Fast interrupt channel 10 pending (r/-) */ CSR_MIP_FIRQ11P = 27, /**< CPU mip CSR (27): FIRQ11P - Fast interrupt channel 11 pending (r/-) */ CSR_MIP_FIRQ12P = 28, /**< CPU mip CSR (28): FIRQ12P - Fast interrupt channel 12 pending (r/-) */ CSR_MIP_FIRQ13P = 29, /**< CPU mip CSR (29): FIRQ13P - Fast interrupt channel 13 pending (r/-) */ CSR_MIP_FIRQ14P = 30, /**< CPU mip CSR (30): FIRQ14P - Fast interrupt channel 14 pending (r/-) */ CSR_MIP_FIRQ15P = 31 /**< CPU mip CSR (31): FIRQ15P - Fast interrupt channel 15 pending (r/-) */ }; /**********************************************************************//** * CPU <b>misa</b> CSR (r/-): Machine instruction set extensions (RISC-V spec.) **************************************************************************/ enum NEORV32_CSR_MISA_enum { CSR_MISA_A = 0, /**< CPU misa CSR (0): A: Atomic instructions CPU extension available (r/-)*/ CSR_MISA_B = 1, /**< CPU misa CSR (1): B: Bit manipulation CPU extension available (r/-)*/ CSR_MISA_C = 2, /**< CPU misa CSR (2): C: Compressed instructions CPU extension available (r/-)*/ CSR_MISA_D = 3, /**< CPU misa CSR (3): D: Double-precision floating-point extension available (r/-)*/ CSR_MISA_E = 4, /**< CPU misa CSR (4): E: Embedded CPU extension available (r/-) */ CSR_MISA_F = 5, /**< CPU misa CSR (5): F: Single-precision floating-point extension available (r/-)*/ CSR_MISA_I = 8, /**< CPU misa CSR (8): I: Base integer ISA CPU extension available (r/-) */ CSR_MISA_M = 12, /**< CPU misa CSR (12): M: Multiplier/divider CPU extension available (r/-)*/ CSR_MISA_U = 20, /**< CPU misa CSR (20): U: User mode CPU extension available (r/-)*/ CSR_MISA_X = 23, /**< CPU misa CSR (23): X: Non-standard CPU extension available (r/-) */ CSR_MISA_MXL_LO = 30, /**< CPU misa CSR (30): MXL.lo: CPU data width (r/-) */ CSR_MISA_MXL_HI = 31 /**< CPU misa CSR (31): MXL.Hi: CPU data width (r/-) */ }; /**********************************************************************//** * CPU <b>mhpmevent</b> hardware performance monitor events **************************************************************************/ enum NEORV32_HPMCNT_EVENT_enum { HPMCNT_EVENT_CY = 0, /**< CPU mhpmevent CSR (0): Active cycle */ HPMCNT_EVENT_IR = 2, /**< CPU mhpmevent CSR (2): Retired instruction */ HPMCNT_EVENT_CIR = 3, /**< CPU mhpmevent CSR (3): Retired compressed instruction */ HPMCNT_EVENT_WAIT_IF = 4, /**< CPU mhpmevent CSR (4): Instruction fetch memory wait cycle */ HPMCNT_EVENT_WAIT_II = 5, /**< CPU mhpmevent CSR (5): Instruction issue wait cycle */ HPMCNT_EVENT_WAIT_MC = 6, /**< CPU mhpmevent CSR (6): Multi-cycle ALU-operation wait cycle */ HPMCNT_EVENT_LOAD = 7, /**< CPU mhpmevent CSR (7): Load operation */ HPMCNT_EVENT_STORE = 8, /**< CPU mhpmevent CSR (8): Store operation */ HPMCNT_EVENT_WAIT_LS = 9, /**< CPU mhpmevent CSR (9): Load/store memory wait cycle */ HPMCNT_EVENT_JUMP = 10, /**< CPU mhpmevent CSR (10): Unconditional jump */ HPMCNT_EVENT_BRANCH = 11, /**< CPU mhpmevent CSR (11): Conditional branch (taken or not taken) */ HPMCNT_EVENT_TBRANCH = 12, /**< CPU mhpmevent CSR (12): Conditional taken branch */ HPMCNT_EVENT_TRAP = 13, /**< CPU mhpmevent CSR (13): Entered trap */ HPMCNT_EVENT_ILLEGAL = 14 /**< CPU mhpmevent CSR (14): Illegal instruction exception */ }; /**********************************************************************//** * Trap codes from mcause CSR. **************************************************************************/ enum NEORV32_EXCEPTION_CODES_enum { TRAP_CODE_I_MISALIGNED = 0x00000000, /**< 0.0: Instruction address misaligned */ TRAP_CODE_I_ACCESS = 0x00000001, /**< 0.1: Instruction (bus) access fault */ TRAP_CODE_I_ILLEGAL = 0x00000002, /**< 0.2: Illegal instruction */ TRAP_CODE_BREAKPOINT = 0x00000003, /**< 0.3: Breakpoint (EBREAK instruction) */ TRAP_CODE_L_MISALIGNED = 0x00000004, /**< 0.4: Load address misaligned */ TRAP_CODE_L_ACCESS = 0x00000005, /**< 0.5: Load (bus) access fault */ TRAP_CODE_S_MISALIGNED = 0x00000006, /**< 0.6: Store address misaligned */ TRAP_CODE_S_ACCESS = 0x00000007, /**< 0.7: Store (bus) access fault */ TRAP_CODE_UENV_CALL = 0x00000008, /**< 0.8: Environment call from user mode (ECALL instruction) */ TRAP_CODE_MENV_CALL = 0x0000000b, /**< 0.11: Environment call from machine mode (ECALL instruction) */ TRAP_CODE_MSI = 0x80000003, /**< 1.3: Machine software interrupt */ TRAP_CODE_MTI = 0x80000007, /**< 1.7: Machine timer interrupt */ TRAP_CODE_MEI = 0x8000000b, /**< 1.11: Machine external interrupt */ TRAP_CODE_FIRQ_0 = 0x80000010, /**< 1.16: Fast interrupt channel 0 */ TRAP_CODE_FIRQ_1 = 0x80000011, /**< 1.17: Fast interrupt channel 1 */ TRAP_CODE_FIRQ_2 = 0x80000012, /**< 1.18: Fast interrupt channel 2 */ TRAP_CODE_FIRQ_3 = 0x80000013, /**< 1.19: Fast interrupt channel 3 */ TRAP_CODE_FIRQ_4 = 0x80000014, /**< 1.20: Fast interrupt channel 4 */ TRAP_CODE_FIRQ_5 = 0x80000015, /**< 1.21: Fast interrupt channel 5 */ TRAP_CODE_FIRQ_6 = 0x80000016, /**< 1.22: Fast interrupt channel 6 */ TRAP_CODE_FIRQ_7 = 0x80000017, /**< 1.23: Fast interrupt channel 7 */ TRAP_CODE_FIRQ_8 = 0x80000018, /**< 1.24: Fast interrupt channel 8 */ TRAP_CODE_FIRQ_9 = 0x80000019, /**< 1.25: Fast interrupt channel 9 */ TRAP_CODE_FIRQ_10 = 0x8000001a, /**< 1.26: Fast interrupt channel 10 */ TRAP_CODE_FIRQ_11 = 0x8000001b, /**< 1.27: Fast interrupt channel 11 */ TRAP_CODE_FIRQ_12 = 0x8000001c, /**< 1.28: Fast interrupt channel 12 */ TRAP_CODE_FIRQ_13 = 0x8000001d, /**< 1.29: Fast interrupt channel 13 */ TRAP_CODE_FIRQ_14 = 0x8000001e, /**< 1.30: Fast interrupt channel 14 */ TRAP_CODE_FIRQ_15 = 0x8000001f /**< 1.31: Fast interrupt channel 15 */ }; /**********************************************************************//** * Processor clock prescaler select **************************************************************************/ enum NEORV32_CLOCK_PRSC_enum { CLK_PRSC_2 = 0, /**< CPU_CLK (from clk_i top signal) / 2 */ CLK_PRSC_4 = 1, /**< CPU_CLK (from clk_i top signal) / 4 */ CLK_PRSC_8 = 2, /**< CPU_CLK (from clk_i top signal) / 8 */ CLK_PRSC_64 = 3, /**< CPU_CLK (from clk_i top signal) / 64 */ CLK_PRSC_128 = 4, /**< CPU_CLK (from clk_i top signal) / 128 */ CLK_PRSC_1024 = 5, /**< CPU_CLK (from clk_i top signal) / 1024 */ CLK_PRSC_2048 = 6, /**< CPU_CLK (from clk_i top signal) / 2048 */ CLK_PRSC_4096 = 7 /**< CPU_CLK (from clk_i top signal) / 4096 */ }; /**********************************************************************//** * Official NEORV32 >RISC-V open-source architecture ID< * https://github.com/riscv/riscv-isa-manual/blob/master/marchid.md **************************************************************************/ #define NEORV32_ARCHID 19 /**********************************************************************//** * @name Address space sections **************************************************************************/ /**@{*/ /** instruction memory base address (r/w/x) */ // -> configured via ispace_base_c constant in neorv32_package.vhd and available to SW via SYSCONFIG entry /** data memory base address (r/w/x) */ // -> configured via dspace_base_c constant in neorv32_package.vhd and available to SW via SYSCONFIG entry /** bootloader memory base address (r/-/x) */ #define BOOTLOADER_BASE_ADDRESS (0xFFFF0000UL) /** on-chip debugger complex base address (r/w/x) */ #define OCD_BASE_ADDRESS (0XFFFFF800UL) /** peripheral/IO devices memory base address (r/w/-) */ #define IO_BASE_ADDRESS (0xFFFFFE00UL) /**@}*/ // ############################################################################################################################ // On-Chip Debugger (should NOT be used by application software) // ############################################################################################################################ /**@{*/ /** on-chip debugger - debug module prototype */ typedef struct __attribute__((packed,aligned(4))) { const uint32_t CODE[32]; /**< offset 0: park loop code ROM (r/-) */ const uint32_t PBUF[4]; /**< offset 128: program buffer (r/-) */ const uint32_t reserved1[28]; /**< offset 144..252: reserved */ uint32_t DATA; /**< offset 256: data exchange register (r/w) */ const uint32_t reserved2[31]; /**< offset 260..380: reserved */ uint32_t SREG; /**< offset 384: control and status register (r/w) (#NEORV32_OCD_DM_SREG_enum) */ const uint32_t reserved3[31]; /**< offset 388..508: reserved */ } neorv32_dm_t; /** on-chip debugger debug module hardware access (#neorv32_dm_t) */ #define NEORV32_DM (*((volatile neorv32_dm_t*) (0XFFFFF800UL))) /** on-chip debugger debug module control and status register bits */ enum NEORV32_OCD_DM_SREG_enum { OCD_DM_SREG_HALT_ACK = 0, /**< OCD.DM control and status register(0) (-/w): CPU is halted in debug mode and waits in park loop */ OCD_DM_SREG_RESUME_REQ = 1, /**< OCD.DM control and status register(1) (r/-): DM requests CPU to resume */ OCD_DM_SREG_RESUME_ACK = 2, /**< OCD.DM control and status register(2) (-/w): CPU starts resuming */ OCD_DM_SREG_EXECUTE_REQ = 3, /**< OCD.DM control and status register(3) (r/-): DM requests to execute program buffer */ OCD_DM_SREG_EXECUTE_ACK = 4, /**< OCD.DM control and status register(4) (-/w): CPU starts to execute program buffer */ OCD_DM_SREG_EXCEPTION_ACK = 5 /**< OCD.DM control and status register(5) (-/w): CPU has detected an exception */ }; /**@}*/ // ############################################################################################################################ // Peripheral/IO Devices - IO Address Space // ############################################################################################################################ /**********************************************************************//** * @name Helper macros for easy memory-mapped register access (DEPRECATED!) **************************************************************************/ /**@{*/ /** memory-mapped byte (8-bit) read/write register */ #define IO_REG8 (volatile uint8_t*) /** memory-mapped half-word (16-bit) read/write register */ #define IO_REG16 (volatile uint16_t*) /** memory-mapped word (32-bit) read/write register */ #define IO_REG32 (volatile uint32_t*) /** memory-mapped double-word (64-bit) read/write register */ #define IO_REG64 (volatile uint64_t*) /** memory-mapped byte (8-bit) read-only register */ #define IO_ROM8 (const volatile uint8_t*) /** memory-mapped half-word (16-bit) read-only register */ #define IO_ROM16 (const volatile uint16_t*) /** memory-mapped word (32-bit) read-only register */ #define IO_ROM32 (const volatile uint32_t*) /** memory-mapped double-word (64-bit) read-only register */ #define IO_ROM64 (const volatile uint64_t*) /**@}*/ /**********************************************************************//** * @name IO Device: Custom Functions Subsystem (CFS) **************************************************************************/ /**@{*/ /** CFS module prototype */ typedef struct __attribute__((packed,aligned(4))) { uint32_t REG[32]; /**< offset 4*0..4*31: CFS register 0..31, user-defined */ } neorv32_cfs_t; /** CFS module hardware access (#neorv32_cfs_t) */ #define NEORV32_CFS (*((volatile neorv32_cfs_t*) (0xFFFFFE00UL))) /**@}*/ /**********************************************************************//** * @name IO Device: Pulse Width Modulation Controller (PWM) **************************************************************************/ /**@{*/ /** PWM module prototype */ typedef struct __attribute__((packed,aligned(4))) { uint32_t CTRL; /**< offset 0: control register (#NEORV32_PWM_CTRL_enum) */ uint32_t DUTY[15]; /**< offset 4..60: duty cycle register 0..14 */ } neorv32_pwm_t; /** PWM module hardware access (#neorv32_pwm_t) */ #define NEORV32_PWM (*((volatile neorv32_pwm_t*) (0xFFFFFE80UL))) /** PWM control register bits */ enum NEORV32_PWM_CTRL_enum { PWM_CTRL_EN = 0, /**< PWM control register(0) (r/w): PWM controller enable */ PWM_CTRL_PRSC0 = 1, /**< PWM control register(1) (r/w): Clock prescaler select bit 0 */ PWM_CTRL_PRSC1 = 2, /**< PWM control register(2) (r/w): Clock prescaler select bit 1 */ PWM_CTRL_PRSC2 = 3 /**< PWM control register(3) (r/w): Clock prescaler select bit 2 */ }; /**@}*/ /**********************************************************************//** * @name IO Device: Stream link interface (SLINK) **************************************************************************/ /**@{*/ /** SLINK module prototype */ typedef struct __attribute__((packed,aligned(4))) { uint32_t CTRL; /**< offset 0: control register (#NEORV32_SLINK_CTRL_enum) */ const uint32_t reserved0; /**< offset 4: reserved */ uint32_t IRQ; /**< offset 8: interrupt configuration register (#NEORV32_SLINK_IRQ_enum) */ const uint32_t reserved1; /**< offset 12: reserved */ const uint32_t STATUS; /**< offset 16: status register (#NEORV32_SLINK_STATUS_enum) */ const uint32_t reserved2[3]; /**< offset 20..28: reserved */ uint32_t DATA[8]; /**< offset 32..60: stream link data channel 0..7 */ } neorv32_slink_t; /** SLINK module hardware access (#neorv32_slink_t) */ #define NEORV32_SLINK (*((volatile neorv32_slink_t*) (0xFFFFFEC0UL))) /** SLINK control register bits */ enum NEORV32_SLINK_CTRL_enum { SLINK_CTRL_RX_NUM0 = 0, /**< SLINK control register(0) (r/-): number of implemented RX links bit 0 */ SLINK_CTRL_RX_NUM1 = 1, /**< SLINK control register(1) (r/-): number of implemented RX links bit 1 */ SLINK_CTRL_RX_NUM2 = 2, /**< SLINK control register(2) (r/-): number of implemented RX links bit 2 */ SLINK_CTRL_RX_NUM3 = 3, /**< SLINK control register(3) (r/-): number of implemented RX links bit 3 */ SLINK_CTRL_TX_NUM0 = 4, /**< SLINK control register(4) (r/-): number of implemented TX links bit 0 */ SLINK_CTRL_TX_NUM1 = 5, /**< SLINK control register(5) (r/-): number of implemented TX links bit 1 */ SLINK_CTRL_TX_NUM2 = 6, /**< SLINK control register(6) (r/-): number of implemented TX links bit 2 */ SLINK_CTRL_TX_NUM3 = 7, /**< SLINK control register(7) (r/-): number of implemented TX links bit 3 */ SLINK_CTRL_RX_FIFO_S0 = 8, /**< SLINK control register( 8) (r/-): log2(RX FIFO size) bit 0 */ SLINK_CTRL_RX_FIFO_S1 = 9, /**< SLINK control register( 9) (r/-): log2(RX FIFO size) bit 1 */ SLINK_CTRL_RX_FIFO_S2 = 10, /**< SLINK control register(10) (r/-): log2(RX FIFO size) bit 2 */ SLINK_CTRL_RX_FIFO_S3 = 11, /**< SLINK control register(11) (r/-): log2(RX FIFO size) bit 3 */ SLINK_CTRL_TX_FIFO_S0 = 12, /**< SLINK control register(12) (r/-): log2(TX FIFO size) bit 0 */ SLINK_CTRL_TX_FIFO_S1 = 13, /**< SLINK control register(13) (r/-): log2(TX FIFO size) bit 1 */ SLINK_CTRL_TX_FIFO_S2 = 14, /**< SLINK control register(14) (r/-): log2(TX FIFO size) bit 2 */ SLINK_CTRL_TX_FIFO_S3 = 15, /**< SLINK control register(15) (r/-): log2(TX FIFO size) bit 3 */ SLINK_CTRL_EN = 31, /**< SLINK control register(0) (r/w): SLINK controller enable */ }; /** SLINK interrupt control register bits */ enum NEORV32_SLINK_IRQ_enum { SLINK_IRQ_RX_EN_LSB = 0, /**< SLINK IRQ configuration register( 0) (r/w): RX IRQ enable LSB (link 0) (#NEORV32_SLINK_IRQ_EN_enum) */ SLINK_IRQ_RX_EN_MSB = 7, /**< SLINK IRQ configuration register( 7) (r/w): RX IRQ enable MSB (link 7) (#NEORV32_SLINK_IRQ_EN_enum) */ SLINK_IRQ_RX_MODE_LSB = 8, /**< SLINK IRQ configuration register( 8) (r/w): RX IRQ mode LSB (link 0) */ SLINK_IRQ_RX_MODE_MSB = 15, /**< SLINK IRQ configuration register(15) (r/w): RX IRQ mode MSB (link 7) */ SLINK_IRQ_TX_EN_LSB = 16, /**< SLINK IRQ configuration register(16) (r/w): TX IRQ enable LSB (link 0) (#NEORV32_SLINK_IRQ_EN_enum) */ SLINK_IRQ_TX_EN_MSB = 23, /**< SLINK IRQ configuration register(23) (r/w): TX IRQ enable MSB (link 7) (#NEORV32_SLINK_IRQ_EN_enum) */ SLINK_IRQ_TX_MODE_LSB = 24, /**< SLINK IRQ configuration register(24) (r/w): TX IRQ mode LSB (link 0) */ SLINK_IRQ_TX_MODE_MSB = 31 /**< SLINK IRQ configuration register(31) (r/w): TX IRQ mode MSB (link 7) */ }; /** SLINK interrupt configuration enable (per link) */ enum NEORV32_SLINK_IRQ_EN_enum { SLINK_IRQ_DISABLE = 0, /**< '1': IRQ disabled */ SLINK_IRQ_ENABLE = 1 /**< '0': IRQ enabled */ }; /** SLINK RX interrupt configuration type (per link) */ enum NEORV32_SLINK_IRQ_RX_TYPE_enum { SLINK_IRQ_RX_FIFO_HALF = 0, /**< '0': RX FIFO is at least half-full */ SLINK_IRQ_RX_NOT_EMPTY = 1 /**< '1': RX FIFO is not empty */ }; /** SLINK TX interrupt configuration type (per link) */ enum NEORV32_SLINK_IRQ_TX_TYPE_enum { SLINK_IRQ_TX_FIFO_HALF = 0, /**< '0': TX FIFO is less than half-full */ SLINK_IRQ_TX_NOT_FULL = 1 /**< '1': TX FIFO is not FULL */ }; /** SLINK status register bits */ enum NEORV32_SLINK_STATUS_enum { SLINK_STATUS_RX0_AVAIL = 0, /**< SLINK status register(0) (r/-): RX link 0 FIFO is NOT empty (data available) */ SLINK_STATUS_RX1_AVAIL = 1, /**< SLINK status register(1) (r/-): RX link 1 FIFO is NOT empty (data available) */ SLINK_STATUS_RX2_AVAIL = 2, /**< SLINK status register(2) (r/-): RX link 2 FIFO is NOT empty (data available) */ SLINK_STATUS_RX3_AVAIL = 3, /**< SLINK status register(3) (r/-): RX link 3 FIFO is NOT empty (data available) */ SLINK_STATUS_RX4_AVAIL = 4, /**< SLINK status register(4) (r/-): RX link 4 FIFO is NOT empty (data available) */ SLINK_STATUS_RX5_AVAIL = 5, /**< SLINK status register(5) (r/-): RX link 5 FIFO is NOT empty (data available) */ SLINK_STATUS_RX6_AVAIL = 6, /**< SLINK status register(6) (r/-): RX link 6 FIFO is NOT empty (data available) */ SLINK_STATUS_RX7_AVAIL = 7, /**< SLINK status register(7) (r/-): RX link 7 FIFO is NOT empty (data available) */ SLINK_STATUS_TX0_FREE = 8, /**< SLINK status register(8) (r/-): TX link 0 FIFO is NOT full (ready to send) */ SLINK_STATUS_TX1_FREE = 9, /**< SLINK status register(9) (r/-): TX link 1 FIFO is NOT full (ready to send) */ SLINK_STATUS_TX2_FREE = 10, /**< SLINK status register(10) (r/-): TX link 2 FIFO is NOT full (ready to send) */ SLINK_STATUS_TX3_FREE = 11, /**< SLINK status register(11) (r/-): TX link 3 FIFO is NOT full (ready to send) */ SLINK_STATUS_TX4_FREE = 12, /**< SLINK status register(12) (r/-): TX link 4 FIFO is NOT full (ready to send) */ SLINK_STATUS_TX5_FREE = 13, /**< SLINK status register(13) (r/-): TX link 5 FIFO is NOT full (ready to send) */ SLINK_STATUS_TX6_FREE = 14, /**< SLINK status register(14) (r/-): TX link 6 FIFO is NOT full (ready to send) */ SLINK_STATUS_TX7_FREE = 15, /**< SLINK status register(15) (r/-): TX link 7 FIFO is NOT full (ready to send) */ SLINK_STATUS_RX0_HALF = 16, /**< SLINK status register(16) (r/-): RX link 0 FIFO fill level is >= half-full */ SLINK_STATUS_RX1_HALF = 17, /**< SLINK status register(17) (r/-): RX link 1 FIFO fill level is >= half-full */ SLINK_STATUS_RX2_HALF = 18, /**< SLINK status register(18) (r/-): RX link 2 FIFO fill level is >= half-full */ SLINK_STATUS_RX3_HALF = 19, /**< SLINK status register(19) (r/-): RX link 3 FIFO fill level is >= half-full */ SLINK_STATUS_RX4_HALF = 20, /**< SLINK status register(20) (r/-): RX link 4 FIFO fill level is >= half-full */ SLINK_STATUS_RX5_HALF = 21, /**< SLINK status register(21) (r/-): RX link 5 FIFO fill level is >= half-full */ SLINK_STATUS_RX6_HALF = 22, /**< SLINK status register(22) (r/-): RX link 6 FIFO fill level is >= half-full */ SLINK_STATUS_RX7_HALF = 23, /**< SLINK status register(23) (r/-): RX link 7 FIFO fill level is >= half-full */ SLINK_STATUS_TX0_HALF = 24, /**< SLINK status register(24) (r/-): TX link 0 FIFO fill level is > half-full */ SLINK_STATUS_TX1_HALF = 25, /**< SLINK status register(25) (r/-): TX link 1 FIFO fill level is > half-full */ SLINK_STATUS_TX2_HALF = 26, /**< SLINK status register(26) (r/-): TX link 2 FIFO fill level is > half-full */ SLINK_STATUS_TX3_HALF = 27, /**< SLINK status register(27) (r/-): TX link 3 FIFO fill level is > half-full */ SLINK_STATUS_TX4_HALF = 28, /**< SLINK status register(28) (r/-): TX link 4 FIFO fill level is > half-full */ SLINK_STATUS_TX5_HALF = 29, /**< SLINK status register(29) (r/-): TX link 5 FIFO fill level is > half-full */ SLINK_STATUS_TX6_HALF = 30, /**< SLINK status register(30) (r/-): TX link 6 FIFO fill level is > half-full */ SLINK_STATUS_TX7_HALF = 31 /**< SLINK status register(31) (r/-): TX link 7 FIFO fill level is > half-full */ }; /**@}*/ /**********************************************************************//** * @name IO Device: External Interrupt Controller (XIRQ) **************************************************************************/ /**@{*/ /** XIRQ module prototype */ typedef struct __attribute__((packed,aligned(4))) { uint32_t IER; /**< offset 0: IRQ input enable register */ uint32_t IPR; /**< offset 4: pending IRQ register /ack/clear */ uint32_t SCR; /**< offset 8: interrupt source register */ const uint32_t reserved; /**< offset 12: reserved */ } neorv32_xirq_t; /** XIRQ module hardware access (#neorv32_xirq_t) */ #define NEORV32_XIRQ (*((volatile neorv32_xirq_t*) (0xFFFFFF80UL))) /**@}*/ /**********************************************************************//** * @name IO Device: Machine System Timer (MTIME) **************************************************************************/ /**@{*/ /** MTIME module prototype */ typedef struct __attribute__((packed,aligned(4))) { uint32_t TIME_LO; /**< offset 0: time register low word */ uint32_t TIME_HI; /**< offset 4: time register high word */ uint32_t TIMECMP_LO; /**< offset 8: compare register low word */ uint32_t TIMECMP_HI; /**< offset 12: compare register high word */ } neorv32_mtime_t; /** MTIME module hardware access (#neorv32_mtime_t) */ #define NEORV32_MTIME (*((volatile neorv32_mtime_t*) (0xFFFFFF90UL))) /**@}*/ /**********************************************************************//** * @name IO Device: Primary/Secondary Universal Asynchronous Receiver and Transmitter (UART0 / UART1) **************************************************************************/ /**@{*/ /** UART0 module prototype */ typedef struct __attribute__((packed,aligned(4))) { uint32_t CTRL; /**< offset 0: control register (#NEORV32_UART_CTRL_enum) */ uint32_t DATA; /**< offset 4: data register (#NEORV32_UART_DATA_enum) */ } neorv32_uart0_t; /** UART0 module hardware access (#neorv32_uart0_t) */ #define NEORV32_UART0 (*((volatile neorv32_uart0_t*) (0xFFFFFFA0UL))) /** UART1 module prototype */ typedef struct __attribute__((packed,aligned(4))) { uint32_t CTRL; /**< offset 0: control register (#NEORV32_UART_CTRL_enum) */ uint32_t DATA; /**< offset 4: data register (#NEORV32_UART_DATA_enum) */ } neorv32_uart1_t; /** UART1 module hardware access (#neorv32_uart1_t) */ #define NEORV32_UART1 (*((volatile neorv32_uart1_t*) (0xFFFFFFD0UL))) /** UART0/UART1 control register bits */ enum NEORV32_UART_CTRL_enum { UART_CTRL_BAUD00 = 0, /**< UART control register(0) (r/w): BAUD rate config value lsb (12-bit, bit 0) */ UART_CTRL_BAUD01 = 1, /**< UART control register(1) (r/w): BAUD rate config value (12-bit, bit 1) */ UART_CTRL_BAUD02 = 2, /**< UART control register(2) (r/w): BAUD rate config value (12-bit, bit 2) */ UART_CTRL_BAUD03 = 3, /**< UART control register(3) (r/w): BAUD rate config value (12-bit, bit 3) */ UART_CTRL_BAUD04 = 4, /**< UART control register(4) (r/w): BAUD rate config value (12-bit, bit 4) */ UART_CTRL_BAUD05 = 5, /**< UART control register(5) (r/w): BAUD rate config value (12-bit, bit 4) */ UART_CTRL_BAUD06 = 6, /**< UART control register(6) (r/w): BAUD rate config value (12-bit, bit 5) */ UART_CTRL_BAUD07 = 7, /**< UART control register(7) (r/w): BAUD rate config value (12-bit, bit 6) */ UART_CTRL_BAUD08 = 8, /**< UART control register(8) (r/w): BAUD rate config value (12-bit, bit 7) */ UART_CTRL_BAUD09 = 9, /**< UART control register(9) (r/w): BAUD rate config value (12-bit, bit 8) */ UART_CTRL_BAUD10 = 10, /**< UART control register(10) (r/w): BAUD rate config value (12-bit, bit 9) */ UART_CTRL_BAUD11 = 11, /**< UART control register(11) (r/w): BAUD rate config value msb (12-bit, bit 0) */ UART_CTRL_SIM_MODE = 12, /**< UART control register(12) (r/w): Simulation output override enable, for use in simulation only */ UART_CTRL_RX_EMPTY = 13, /**< UART control register(13) (r/-): RX FIFO is empty */ UART_CTRL_RX_HALF = 14, /**< UART control register(14) (r/-): RX FIFO is at least half-full */ UART_CTRL_RX_FULL = 15, /**< UART control register(15) (r/-): RX FIFO is full */ UART_CTRL_TX_EMPTY = 16, /**< UART control register(16) (r/-): TX FIFO is empty */ UART_CTRL_TX_HALF = 17, /**< UART control register(17) (r/-): TX FIFO is at least half-full */ UART_CTRL_TX_FULL = 18, /**< UART control register(18) (r/-): TX FIFO is full */ UART_CTRL_RTS_EN = 20, /**< UART control register(20) (r/w): Enable hardware flow control: Assert RTS output if UART.RX is ready to receive */ UART_CTRL_CTS_EN = 21, /**< UART control register(21) (r/w): Enable hardware flow control: UART.TX starts sending only if CTS input is asserted */ UART_CTRL_PMODE0 = 22, /**< UART control register(22) (r/w): Parity configuration (0=even; 1=odd) */ UART_CTRL_PMODE1 = 23, /**< UART control register(23) (r/w): Parity bit enabled when set */ UART_CTRL_PRSC0 = 24, /**< UART control register(24) (r/w): BAUD rate clock prescaler select bit 0 */ UART_CTRL_PRSC1 = 25, /**< UART control register(25) (r/w): BAUD rate clock prescaler select bit 1 */ UART_CTRL_PRSC2 = 26, /**< UART control register(26) (r/w): BAUD rate clock prescaler select bit 2 */ UART_CTRL_CTS = 27, /**< UART control register(27) (r/-): current state of CTS input */ UART_CTRL_EN = 28, /**< UART control register(28) (r/w): UART global enable */ UART_CTRL_RX_IRQ = 29, /**< UART control register(29) (r/w: RX IRQ mode: 1=FIFO at least half-full; 0=FIFO not empty */ UART_CTRL_TX_IRQ = 30, /**< UART control register(30) (r/w: TX IRQ mode: 1=FIFO less than half-full; 0=FIFO not full */ UART_CTRL_TX_BUSY = 31 /**< UART control register(31) (r/-): Transmitter is busy when set */ }; /** UART0/UART1 parity configuration */ enum NEORV32_UART_PARITY_enum { PARITY_NONE = 0b00, /**< 0b00: No parity bit at all */ PARITY_EVEN = 0b10, /**< 0b10: Even parity */ PARITY_ODD = 0b11 /**< 0b11: Odd parity */ }; /** UART0/UART1 hardware flow control configuration */ enum NEORV32_UART_FLOW_CONTROL_enum { FLOW_CONTROL_NONE = 0b00, /**< 0b00: No hardware flow control */ FLOW_CONTROL_RTS = 0b01, /**< 0b01: Assert RTS output if UART.RX is ready to receive */ FLOW_CONTROL_CTS = 0b10, /**< 0b10: UART.TX starts sending only if CTS input is asserted */ FLOW_CONTROL_RTSCTS = 0b11 /**< 0b11: Assert RTS output if UART.RX is ready to receive & UART.TX starts sending only if CTS input is asserted */ }; /** UART0/UART1 receive/transmit data register bits */ enum NEORV32_UART_DATA_enum { UART_DATA_LSB = 0, /**< UART receive/transmit data register(0) (r/w): Receive/transmit data LSB (bit 0) */ UART_DATA_MSB = 7, /**< UART receive/transmit data register(7) (r/w): Receive/transmit data MSB (bit 7) */ UART_DATA_PERR = 28, /**< UART receive/transmit data register(18) (r/-): RX parity error detected when set */ UART_DATA_FERR = 29, /**< UART receive/transmit data register(29) (r/-): RX frame error (no valid stop bit) detected when set */ UART_DATA_OVERR = 30, /**< UART receive/transmit data register(30) (r/-): RX data overrun when set */ UART_DATA_AVAIL = 31 /**< UART receive/transmit data register(31) (r/-): RX data available when set */ }; /**@}*/ /**********************************************************************//** * @name IO Device: Serial Peripheral Interface Controller (SPI) **************************************************************************/ /**@{*/ /** SPI module prototype */ typedef struct __attribute__((packed,aligned(4))) { uint32_t CTRL; /**< offset 0: control register (#NEORV32_SPI_CTRL_enum) */ uint32_t DATA; /**< offset 4: data register */ } neorv32_spi_t; /** SPI module hardware access (#neorv32_spi_t) */ #define NEORV32_SPI (*((volatile neorv32_spi_t*) (0xFFFFFFA8UL))) /** SPI control register bits */ enum NEORV32_SPI_CTRL_enum { SPI_CTRL_CS0 = 0, /**< SPI control register(0) (r/w): Direct chip select line 0 (output is low when set) */ SPI_CTRL_CS1 = 1, /**< SPI control register(1) (r/w): Direct chip select line 1 (output is low when set) */ SPI_CTRL_CS2 = 2, /**< SPI control register(2) (r/w): Direct chip select line 2 (output is low when set) */ SPI_CTRL_CS3 = 3, /**< SPI control register(3) (r/w): Direct chip select line 3 (output is low when set) */ SPI_CTRL_CS4 = 4, /**< SPI control register(4) (r/w): Direct chip select line 4 (output is low when set) */ SPI_CTRL_CS5 = 5, /**< SPI control register(5) (r/w): Direct chip select line 5 (output is low when set) */ SPI_CTRL_CS6 = 6, /**< SPI control register(6) (r/w): Direct chip select line 6 (output is low when set) */ SPI_CTRL_CS7 = 7, /**< SPI control register(7) (r/w): Direct chip select line 7 (output is low when set) */ SPI_CTRL_EN = 8, /**< SPI control register(8) (r/w): SPI unit enable */ SPI_CTRL_CPHA = 9, /**< SPI control register(9) (r/w): Clock phase */ SPI_CTRL_PRSC0 = 10, /**< SPI control register(10) (r/w): Clock prescaler select bit 0 */ SPI_CTRL_PRSC1 = 11, /**< SPI control register(11) (r/w): Clock prescaler select bit 1 */ SPI_CTRL_PRSC2 = 12, /**< SPI control register(12) (r/w): Clock prescaler select bit 2 */ SPI_CTRL_SIZE0 = 13, /**< SPI control register(13) (r/w): Transfer data size lsb (00: 8-bit, 01: 16-bit, 10: 24-bit, 11: 32-bit) */ SPI_CTRL_SIZE1 = 14, /**< SPI control register(14) (r/w): Transfer data size msb (00: 8-bit, 01: 16-bit, 10: 24-bit, 11: 32-bit) */ SPI_CTRL_CPOL = 15, /**< SPI control register(15) (r/w): Clock polarity */ SPI_CTRL_BUSY = 31 /**< SPI control register(31) (r/-): SPI busy flag */ }; /**@}*/ /**********************************************************************//** * @name IO Device: Two-Wire Interface Controller (TWI) **************************************************************************/ /**@{*/ /** TWI module prototype */ typedef struct __attribute__((packed,aligned(4))) { uint32_t CTRL; /**< offset 0: control register (#NEORV32_TWI_CTRL_enum) */ uint32_t DATA; /**< offset 4: data register (#NEORV32_TWI_DATA_enum) */ } neorv32_twi_t; /** TWI module hardware access (#neorv32_twi_t) */ #define NEORV32_TWI (*((volatile neorv32_twi_t*) (0xFFFFFFB0UL))) /** TWI control register bits */ enum NEORV32_TWI_CTRL_enum { TWI_CTRL_EN = 0, /**< TWI control register(0) (r/w): TWI enable */ TWI_CTRL_START = 1, /**< TWI control register(1) (-/w): Generate START condition, auto-clears */ TWI_CTRL_STOP = 2, /**< TWI control register(2) (-/w): Generate STOP condition, auto-clears */ TWI_CTRL_PRSC0 = 3, /**< TWI control register(3) (r/w): Clock prescaler select bit 0 */ TWI_CTRL_PRSC1 = 4, /**< TWI control register(4) (r/w): Clock prescaler select bit 1 */ TWI_CTRL_PRSC2 = 5, /**< TWI control register(5) (r/w): Clock prescaler select bit 2 */ TWI_CTRL_MACK = 6, /**< TWI control register(6) (r/w): Generate controller ACK for each transmission */ TWI_CTRL_CKSTEN = 7, /**< TWI control register(7) (r/w): Enable clock stretching (by peripheral) */ TWI_CTRL_ACK = 30, /**< TWI control register(30) (r/-): ACK received when set */ TWI_CTRL_BUSY = 31 /**< TWI control register(31) (r/-): Transfer in progress, busy flag */ }; /** WTD receive/transmit data register bits */ enum NEORV32_TWI_DATA_enum { TWI_DATA_LSB = 0, /**< TWI data register(0) (r/w): Receive/transmit data (8-bit) LSB */ TWI_DATA_MSB = 7 /**< TWI data register(7) (r/w): Receive/transmit data (8-bit) MSB */ }; /**@}*/ /**********************************************************************//** * @name IO Device: True Random Number Generator (TRNG) **************************************************************************/ /**@{*/ /** TRNG module prototype */ typedef struct __attribute__((packed,aligned(4))) { uint32_t CTRL; /**< offset 0: control register (#NEORV32_TRNG_CTRL_enum) */ } neorv32_trng_t; /** TRNG module hardware access (#neorv32_trng_t) */ #define NEORV32_TRNG (*((volatile neorv32_trng_t*) (0xFFFFFFB8UL))) /** TRNG control/data register bits */ enum NEORV32_TRNG_CTRL_enum { TRNG_CTRL_DATA_LSB = 0, /**< TRNG data/control register(0) (r/-): Random data byte LSB */ TRNG_CTRL_DATA_MSB = 7, /**< TRNG data/control register(7) (r/-): Random data byte MSB */ TRNG_CTRL_EN = 30, /**< TRNG data/control register(30) (r/w): TRNG enable */ TRNG_CTRL_VALID = 31 /**< TRNG data/control register(31) (r/-): Random data output valid */ }; /**@}*/ /**********************************************************************//** * @name IO Device: Watchdog Timer (WDT) **************************************************************************/ /**@{*/ /** WDT module prototype */ typedef struct __attribute__((packed,aligned(4))) { uint32_t CTRL; /**< offset 0: control register (#NEORV32_WDT_CTRL_enum) */ } neorv32_wdt_t; /** WDT module hardware access (#neorv32_wdt_t) */ #define NEORV32_WDT (*((volatile neorv32_wdt_t*) (0xFFFFFFBCUL))) /** WTD control register bits */ enum NEORV32_WDT_CTRL_enum { WDT_CTRL_EN = 0, /**< WDT control register(0) (r/w): Watchdog enable */ WDT_CTRL_CLK_SEL0 = 1, /**< WDT control register(1) (r/w): Clock prescaler select bit 0 */ WDT_CTRL_CLK_SEL1 = 2, /**< WDT control register(2) (r/w): Clock prescaler select bit 1 */ WDT_CTRL_CLK_SEL2 = 3, /**< WDT control register(3) (r/w): Clock prescaler select bit 2 */ WDT_CTRL_MODE = 4, /**< WDT control register(4) (r/w): Watchdog mode: 0=timeout causes interrupt, 1=timeout causes processor reset */ WDT_CTRL_RCAUSE = 5, /**< WDT control register(5) (r/-): Cause of last system reset: 0=external reset, 1=watchdog */ WDT_CTRL_RESET = 6, /**< WDT control register(6) (-/w): Reset WDT counter when set, auto-clears */ WDT_CTRL_FORCE = 7, /**< WDT control register(7) (-/w): Force WDT action, auto-clears */ WDT_CTRL_LOCK = 8 /**< WDT control register(8) (r/w): Lock write access to control register, clears on reset (HW or WDT) only */ }; /**@}*/ /**********************************************************************//** * @name IO Device: General Purpose Input/Output Port Unit (GPIO) **************************************************************************/ /**@{*/ /** GPIO module prototype */ typedef struct __attribute__((packed,aligned(4))) { const uint32_t INPUT_LO; /**< offset 0: parallel input port lower 32-bit */ const uint32_t INPUT_HI; /**< offset 4: parallel input port upper 32-bit */ uint32_t OUTPUT_LO; /**< offset 8: parallel output port lower 32-bit */ uint32_t OUTPUT_HI; /**< offset 12: parallel output port upper 32-bit */ } neorv32_gpio_t; /** GPIO module hardware access (#neorv32_gpio_t) */ #define NEORV32_GPIO (*((volatile neorv32_gpio_t*) (0xFFFFFFC0UL))) /**@}*/ /**********************************************************************//** * @name IO Device: Smart LED Hardware Interface (NEOLED) **************************************************************************/ /**@{*/ /** NEOLED module prototype */ typedef struct __attribute__((packed,aligned(4))) { uint32_t CTRL; /**< offset 0: control register */ uint32_t DATA; /**< offset 4: data register (#NEORV32_NEOLED_CTRL_enum) */ } neorv32_neoled_t; /** NEOLED module hardware access (#neorv32_neoled_t) */ #define NEORV32_NEOLED (*((volatile neorv32_neoled_t*) (0xFFFFFFD8UL))) /** NEOLED control register bits */ enum NEORV32_NEOLED_CTRL_enum { NEOLED_CTRL_EN = 0, /**< NEOLED control register(0) (r/w): NEOLED global enable */ NEOLED_CTRL_MODE = 1, /**< NEOLED control register(1) (r/w): TX mode (0=24-bit, 1=32-bit) */ NEOLED_CTRL_STROBE = 2, /**< NEOLED control register(2) (r/w): Strobe (0=send normal data, 1=send RESET command on data write) */ NEOLED_CTRL_PRSC0 = 3, /**< NEOLED control register(3) (r/w): Clock prescaler select bit 0 (pulse-clock speed select) */ NEOLED_CTRL_PRSC1 = 4, /**< NEOLED control register(4) (r/w): Clock prescaler select bit 1 (pulse-clock speed select) */ NEOLED_CTRL_PRSC2 = 5, /**< NEOLED control register(5) (r/w): Clock prescaler select bit 2 (pulse-clock speed select) */ // NEOLED_CTRL_BUFS_0 = 6, /**< NEOLED control register(6) (r/-): log2(tx buffer size) bit 0 */ NEOLED_CTRL_BUFS_1 = 7, /**< NEOLED control register(7) (r/-): log2(tx buffer size) bit 1 */ NEOLED_CTRL_BUFS_2 = 8, /**< NEOLED control register(8) (r/-): log2(tx buffer size) bit 2 */ NEOLED_CTRL_BUFS_3 = 9, /**< NEOLED control register(9) (r/-): log2(tx buffer size) bit 3 */ // NEOLED_CTRL_T_TOT_0 = 10, /**< NEOLED control register(10) (r/w): pulse-clock ticks per total period bit 0 */ NEOLED_CTRL_T_TOT_1 = 11, /**< NEOLED control register(11) (r/w): pulse-clock ticks per total period bit 1 */ NEOLED_CTRL_T_TOT_2 = 12, /**< NEOLED control register(12) (r/w): pulse-clock ticks per total period bit 2 */ NEOLED_CTRL_T_TOT_3 = 13, /**< NEOLED control register(13) (r/w): pulse-clock ticks per total period bit 3 */ NEOLED_CTRL_T_TOT_4 = 14, /**< NEOLED control register(14) (r/w): pulse-clock ticks per total period bit 4 */ // NEOLED_CTRL_T_ZERO_H_0 = 15, /**< NEOLED control register(15) (r/w): pulse-clock ticks per ZERO high-time bit 0 */ NEOLED_CTRL_T_ZERO_H_1 = 16, /**< NEOLED control register(16) (r/w): pulse-clock ticks per ZERO high-time bit 1 */ NEOLED_CTRL_T_ZERO_H_2 = 17, /**< NEOLED control register(17) (r/w): pulse-clock ticks per ZERO high-time bit 2 */ NEOLED_CTRL_T_ZERO_H_3 = 18, /**< NEOLED control register(18) (r/w): pulse-clock ticks per ZERO high-time bit 3 */ NEOLED_CTRL_T_ZERO_H_4 = 19, /**< NEOLED control register(19) (r/w): pulse-clock ticks per ZERO high-time bit 4 */ // NEOLED_CTRL_T_ONE_H_0 = 20, /**< NEOLED control register(20) (r/w): pulse-clock ticks per ONE high-time bit 0 */ NEOLED_CTRL_T_ONE_H_1 = 21, /**< NEOLED control register(21) (r/w): pulse-clock ticks per ONE high-time bit 1 */ NEOLED_CTRL_T_ONE_H_2 = 22, /**< NEOLED control register(22) (r/w): pulse-clock ticks per ONE high-time bit 2 */ NEOLED_CTRL_T_ONE_H_3 = 23, /**< NEOLED control register(23) (r/w): pulse-clock ticks per ONE high-time bit 3 */ NEOLED_CTRL_T_ONE_H_4 = 24, /**< NEOLED control register(24) (r/w): pulse-clock ticks per ONE high-time bit 4 */ // NEOLED_CTRL_IRQ_CONF = 27, /**< NEOLED control register(27) (r/w): TX FIFO interrupt: 0=IRQ if FIFO is less than half-full, 1=IRQ if FIFO is empty */ NEOLED_CTRL_TX_EMPTY = 28, /**< NEOLED control register(28) (r/-): TX FIFO is empty */ NEOLED_CTRL_TX_HALF = 29, /**< NEOLED control register(29) (r/-): TX FIFO is at least half-full */ NEOLED_CTRL_TX_FULL = 30, /**< NEOLED control register(30) (r/-): TX FIFO is full */ NEOLED_CTRL_TX_BUSY = 31 /**< NEOLED control register(31) (r/-): busy flag */ }; /**@}*/ /**********************************************************************//** * @name IO Device: System Configuration Information Memory (SYSINFO) **************************************************************************/ /**@{*/ /** SYSINFO module prototype */ typedef struct __attribute__((packed,aligned(4))) { const uint32_t CLK; /**< offset 0: clock speed in Hz */ const uint32_t CPU; /**< offset 4: CPU core features (#NEORV32_SYSINFO_CPU_enum) */ const uint32_t SOC; /**< offset 8: SoC features (#NEORV32_SYSINFO_SOC_enum) */ const uint32_t CACHE; /**< offset 12: cache configuration (#NEORV32_SYSINFO_CACHE_enum) */ const uint32_t ISPACE_BASE; /**< offset 16: instruction memory address space base */ const uint32_t DSPACE_BASE; /**< offset 20: data memory address space base */ const uint32_t IMEM_SIZE; /**< offset 24: internal instruction memory (IMEM) size in bytes */ const uint32_t DMEM_SIZE; /**< offset 28: internal data memory (DMEM) size in bytes */ } neorv32_sysinfo_t; /** SYSINFO module hardware access (#neorv32_sysinfo_t) */ #define NEORV32_SYSINFO (*((volatile neorv32_sysinfo_t*) (0xFFFFFFE0UL))) /** NEORV32_SYSINFO.CPU (r/-): Implemented CPU sub-extensions/features */ enum NEORV32_SYSINFO_CPU_enum { SYSINFO_CPU_ZICSR = 0, /**< SYSINFO_CPU (0): Zicsr extension (I sub-extension) available when set (r/-) */ SYSINFO_CPU_ZIFENCEI = 1, /**< SYSINFO_CPU (1): Zifencei extension (I sub-extension) available when set (r/-) */ SYSINFO_CPU_ZMMUL = 2, /**< SYSINFO_CPU (2): Zmmul extension (M sub-extension) available when set (r/-) */ SYSINFO_CPU_ZBB = 3, /**< SYSINFO_CPU (3): Zbb extension (B sub-extension) available when set (r/-) */ SYSINFO_CPU_ZFINX = 5, /**< SYSINFO_CPU (5): Zfinx extension (F sub-/alternative-extension) available when set (r/-) */ SYSINFO_CPU_ZXSCNT = 6, /**< SYSINFO_CPU (6): Custom extension - Small CPU counters: "cycle" & "instret" CSRs have less than 64-bit when set (r/-) */ SYSINFO_CPU_ZXNOCNT = 7, /**< SYSINFO_CPU (7): Custom extension - NO CPU counters: "cycle" & "instret" CSRs are NOT available at all when set (r/-) */ SYSINFO_CPU_PMP = 8, /**< SYSINFO_CPU (8): PMP (physical memory protection) extension available when set (r/-) */ SYSINFO_CPU_HPM = 9, /**< SYSINFO_CPU (9): HPM (hardware performance monitors) extension available when set (r/-) */ SYSINFO_CPU_DEBUGMODE = 10, /**< SYSINFO_CPU (10): RISC-V CPU debug mode available when set (r/-) */ SYSINFO_CPU_FASTMUL = 30, /**< SYSINFO_CPU (30): fast multiplications (via FAST_MUL_EN generic) available when set (r/-) */ SYSINFO_CPU_FASTSHIFT = 31 /**< SYSINFO_CPU (31): fast shifts (via FAST_SHIFT_EN generic) available when set (r/-) */ }; /** NEORV32_SYSINFO.SOC (r/-): Implemented processor devices/features */ enum NEORV32_SYSINFO_SOC_enum { SYSINFO_SOC_BOOTLOADER = 0, /**< SYSINFO_FEATURES (0) (r/-): Bootloader implemented when 1 (via INT_BOOTLOADER_EN generic) */ SYSINFO_SOC_MEM_EXT = 1, /**< SYSINFO_FEATURES (1) (r/-): External bus interface implemented when 1 (via MEM_EXT_EN generic) */ SYSINFO_SOC_MEM_INT_IMEM = 2, /**< SYSINFO_FEATURES (2) (r/-): Processor-internal instruction memory implemented when 1 (via MEM_INT_IMEM_EN generic) */ SYSINFO_SOC_MEM_INT_DMEM = 3, /**< SYSINFO_FEATURES (3) (r/-): Processor-internal data memory implemented when 1 (via MEM_INT_DMEM_EN generic) */ SYSINFO_SOC_MEM_EXT_ENDIAN = 4, /**< SYSINFO_FEATURES (4) (r/-): External bus interface uses BIG-endian byte-order when 1 (via MEM_EXT_BIG_ENDIAN generic) */ SYSINFO_SOC_ICACHE = 5, /**< SYSINFO_FEATURES (5) (r/-): Processor-internal instruction cache implemented when 1 (via ICACHE_EN generic) */ SYSINFO_SOC_OCD = 14, /**< SYSINFO_FEATURES (14) (r/-): On-chip debugger implemented when 1 (via ON_CHIP_DEBUGGER_EN generic) */ SYSINFO_SOC_HW_RESET = 15, /**< SYSINFO_FEATURES (15) (r/-): Dedicated hardware reset of core registers implemented when 1 (via package's dedicated_reset_c constant) */ SYSINFO_SOC_IO_GPIO = 16, /**< SYSINFO_FEATURES (16) (r/-): General purpose input/output port unit implemented when 1 (via IO_GPIO_EN generic) */ SYSINFO_SOC_IO_MTIME = 17, /**< SYSINFO_FEATURES (17) (r/-): Machine system timer implemented when 1 (via IO_MTIME_EN generic) */ SYSINFO_SOC_IO_UART0 = 18, /**< SYSINFO_FEATURES (18) (r/-): Primary universal asynchronous receiver/transmitter 0 implemented when 1 (via IO_UART0_EN generic) */ SYSINFO_SOC_IO_SPI = 19, /**< SYSINFO_FEATURES (19) (r/-): Serial peripheral interface implemented when 1 (via IO_SPI_EN generic) */ SYSINFO_SOC_IO_TWI = 20, /**< SYSINFO_FEATURES (20) (r/-): Two-wire interface implemented when 1 (via IO_TWI_EN generic) */ SYSINFO_SOC_IO_PWM = 21, /**< SYSINFO_FEATURES (21) (r/-): Pulse-width modulation unit implemented when 1 (via IO_PWM_EN generic) */ SYSINFO_SOC_IO_WDT = 22, /**< SYSINFO_FEATURES (22) (r/-): Watchdog timer implemented when 1 (via IO_WDT_EN generic) */ SYSINFO_SOC_IO_CFS = 23, /**< SYSINFO_FEATURES (23) (r/-): Custom functions subsystem implemented when 1 (via IO_CFS_EN generic) */ SYSINFO_SOC_IO_TRNG = 24, /**< SYSINFO_FEATURES (24) (r/-): True random number generator implemented when 1 (via IO_TRNG_EN generic) */ SYSINFO_SOC_IO_SLINK = 25, /**< SYSINFO_FEATURES (25) (r/-): Stream link interface implemented when 1 (via SLINK_NUM_RX & SLINK_NUM_TX generics) */ SYSINFO_SOC_IO_UART1 = 26, /**< SYSINFO_FEATURES (26) (r/-): Secondary universal asynchronous receiver/transmitter 1 implemented when 1 (via IO_UART1_EN generic) */ SYSINFO_SOC_IO_NEOLED = 27, /**< SYSINFO_FEATURES (27) (r/-): NeoPixel-compatible smart LED interface implemented when 1 (via IO_NEOLED_EN generic) */ SYSINFO_SOC_IO_XIRQ = 28 /**< SYSINFO_FEATURES (28) (r/-): External interrupt controller implemented when 1 (via XIRQ_NUM_IO generic) */ }; /** NEORV32_SYSINFO.CACHE (r/-): Cache configuration */ enum NEORV32_SYSINFO_CACHE_enum { 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) */ 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) */ 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) */ 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) */ 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) */ 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) */ 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) */ 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) */ SYSINFO_CACHE_IC_ASSOCIATIVITY_0 = 8, /**< SYSINFO_CACHE (8) (r/-): i-cache: log2(associativity), bit 0 (via ICACHE_ASSOCIATIVITY generic) */ SYSINFO_CACHE_IC_ASSOCIATIVITY_1 = 9, /**< SYSINFO_CACHE (9) (r/-): i-cache: log2(associativity), bit 1 (via ICACHE_ASSOCIATIVITY generic) */ SYSINFO_CACHE_IC_ASSOCIATIVITY_2 = 10, /**< SYSINFO_CACHE (10) (r/-): i-cache: log2(associativity), bit 2 (via ICACHE_ASSOCIATIVITY generic) */ SYSINFO_CACHE_IC_ASSOCIATIVITY_3 = 11, /**< SYSINFO_CACHE (11) (r/-): i-cache: log2(associativity), bit 3 (via ICACHE_ASSOCIATIVITY generic) */ SYSINFO_CACHE_IC_REPLACEMENT_0 = 12, /**< SYSINFO_CACHE (12) (r/-): i-cache: replacement policy (0001 = LRU if associativity > 0) bit 0 */ SYSINFO_CACHE_IC_REPLACEMENT_1 = 13, /**< SYSINFO_CACHE (13) (r/-): i-cache: replacement policy (0001 = LRU if associativity > 0) bit 1 */ SYSINFO_CACHE_IC_REPLACEMENT_2 = 14, /**< SYSINFO_CACHE (14) (r/-): i-cache: replacement policy (0001 = LRU if associativity > 0) bit 2 */ SYSINFO_CACHE_IC_REPLACEMENT_3 = 15, /**< SYSINFO_CACHE (15) (r/-): i-cache: replacement policy (0001 = LRU if associativity > 0) bit 3 */ }; /**@}*/ // ---------------------------------------------------------------------------- // Include all IO driver headers // ---------------------------------------------------------------------------- // legacy compatibility layer #include "neorv32_legacy.h" // cpu core #include "neorv32_cpu.h" // intrinsics #include "neorv32_intrinsics.h" // neorv32 runtime environment #include "neorv32_rte.h" // io/peripheral devices #include "neorv32_cfs.h" #include "neorv32_gpio.h" #include "neorv32_mtime.h" #include "neorv32_neoled.h" #include "neorv32_pwm.h" #include "neorv32_slink.h" #include "neorv32_spi.h" #include "neorv32_trng.h" #include "neorv32_twi.h" #include "neorv32_uart.h" #include "neorv32_wdt.h" #include "neorv32_xirq.h" #ifdef __cplusplus } #endif #endif // neorv32_h
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