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author | Neel Gala <neelgala@incoresemi.com> | 2022-04-08 20:51:52 +0530 |
---|---|---|
committer | Neel Gala <neelgala@incoresemi.com> | 2022-04-08 20:51:52 +0530 |
commit | bd26319a75b2ae4f52dc397b22c97e19b08d527f (patch) | |
tree | aa8aa704ba5ada100da6f4d19e620746834e4ed6 /constants.py | |
parent | 8b01b9489f19d047d5033fa6dacfe8524123462b (diff) | |
download | riscv-opcodes-bd26319a75b2ae4f52dc397b22c97e19b08d527f.zip riscv-opcodes-bd26319a75b2ae4f52dc397b22c97e19b08d527f.tar.gz riscv-opcodes-bd26319a75b2ae4f52dc397b22c97e19b08d527f.tar.bz2 |
updated python script, Makefile and README to process new files
- the python file is well commented
- the README provides a brief overview of how the python script works and the various artifacts it can generate
Diffstat (limited to 'constants.py')
-rw-r--r-- | constants.py | 597 |
1 files changed, 597 insertions, 0 deletions
diff --git a/constants.py b/constants.py new file mode 100644 index 0000000..b6a4351 --- /dev/null +++ b/constants.py @@ -0,0 +1,597 @@ +import re + + +isa_regex = \ +re.compile("^RV(32|64|128)[IE]+[ABCDEFGHJKLMNPQSTUVX]*(Zicsr|Zifencei|Zihintpause|Zam|Ztso|Zkne|Zknd|Zknh|Zkse|Zksh|Zkg|Zkb|Zkr|Zks|Zkn|Zba|Zbc|Zbb|Zbp|Zbr|Zbm|Zbs|Zbe|Zbf|Zbt|Zmmul|Zbpbo){,1}(_Zicsr){,1}(_Zifencei){,1}(_Zihintpause){,1}(_Zmmul){,1}(_Zam){,1}(_Zba){,1}(_Zbb){,1}(_Zbc){,1}(_Zbe){,1}(_Zbf){,1}(_Zbm){,1}(_Zbp){,1}(_Zbpbo){,1}(_Zbr){,1}(_Zbs){,1}(_Zbt){,1}(_Zkb){,1}(_Zkg){,1}(_Zkr){,1}(_Zks){,1}(_Zkn){,1}(_Zknd){,1}(_Zkne){,1}(_Zknh){,1}(_Zkse){,1}(_Zksh){,1}(_Ztso){,1}$") + +# regex to find <msb>..<lsb>=<val> patterns in instruction +fixed_ranges = re.compile( + '\s*(?P<msb>\d+.?)\.\.(?P<lsb>\d+.?)\s*=\s*(?P<val>\d[\w]*)[\s$]*', re.M) + +# regex to find <lsb>=<val> patterns in instructions +#single_fixed = re.compile('\s+(?P<lsb>\d+)=(?P<value>[\w\d]*)[\s$]*', re.M) +single_fixed = re.compile('(?:^|[\s])(?P<lsb>\d+)=(?P<value>[\w]*)((?=\s|$))', re.M) + +# regex to find the overloading condition variable +var_regex = re.compile('(?P<var>[a-zA-Z][\w\d]*)\s*=\s*.*?[\s$]*', re.M) + +# regex for pseudo op instructions returns the dependent filename, dependent +# instruction, the pseudo op name and the encoding string +pseudo_regex = re.compile( + '^\$pseudo_op\s+(?P<filename>rv[\d]*_[\w].*)::\s*(?P<orig_inst>.*?)\s+(?P<pseudo_inst>.*?)\s+(?P<overload>.*)$' +, re.M) + +imported_regex = re.compile('^\s*\$import\s*(?P<extension>.*)\s*::\s*(?P<instruction>.*)', re.M) + +# +# Trap cause codes +causes = [ + (0x00, 'misaligned fetch'), + (0x01, 'fetch access'), + (0x02, 'illegal instruction'), + (0x03, 'breakpoint'), + (0x04, 'misaligned load'), + (0x05, 'load access'), + (0x06, 'misaligned store'), + (0x07, 'store access'), + (0x08, 'user_ecall'), + (0x09, 'supervisor_ecall'), + (0x0A, 'virtual_supervisor_ecall'), + (0x0B, 'machine_ecall'), + (0x0C, 'fetch page fault'), + (0x0D, 'load page fault'), + (0x0F, 'store page fault'), + (0x14, 'fetch guest page fault'), + (0x15, 'load guest page fault'), + (0x16, 'virtual instruction'), + (0x17, 'store guest page fault'), +] + +csrs = [ + # Standard User R/W + (0x001, 'fflags'), + (0x002, 'frm'), + (0x003, 'fcsr'), + (0x008, 'vstart'), + (0x009, 'vxsat'), + (0x00A, 'vxrm'), + (0x00F, 'vcsr'), + (0x015, 'seed'), # Zkr + + # Standard User RO + (0xC00, 'cycle'), + (0xC01, 'time'), + (0xC02, 'instret'), + (0xC03, 'hpmcounter3'), + (0xC04, 'hpmcounter4'), + (0xC05, 'hpmcounter5'), + (0xC06, 'hpmcounter6'), + (0xC07, 'hpmcounter7'), + (0xC08, 'hpmcounter8'), + (0xC09, 'hpmcounter9'), + (0xC0A, 'hpmcounter10'), + (0xC0B, 'hpmcounter11'), + (0xC0C, 'hpmcounter12'), + (0xC0D, 'hpmcounter13'), + (0xC0E, 'hpmcounter14'), + (0xC0F, 'hpmcounter15'), + (0xC10, 'hpmcounter16'), + (0xC11, 'hpmcounter17'), + (0xC12, 'hpmcounter18'), + (0xC13, 'hpmcounter19'), + (0xC14, 'hpmcounter20'), + (0xC15, 'hpmcounter21'), + (0xC16, 'hpmcounter22'), + (0xC17, 'hpmcounter23'), + (0xC18, 'hpmcounter24'), + (0xC19, 'hpmcounter25'), + (0xC1A, 'hpmcounter26'), + (0xC1B, 'hpmcounter27'), + (0xC1C, 'hpmcounter28'), + (0xC1D, 'hpmcounter29'), + (0xC1E, 'hpmcounter30'), + (0xC1F, 'hpmcounter31'), + (0xC20, 'vl'), + (0xC21, 'vtype'), + (0xC22, 'vlenb'), + + # Standard Supervisor R/W + (0x100, 'sstatus'), + (0x102, 'sedeleg'), + (0x103, 'sideleg'), + (0x104, 'sie'), + (0x105, 'stvec'), + (0x106, 'scounteren'), + (0x10A, 'senvcfg'), + (0x140, 'sscratch'), + (0x141, 'sepc'), + (0x142, 'scause'), + (0x143, 'stval'), + (0x144, 'sip'), + (0x180, 'satp'), + (0x5A8, 'scontext'), + + # Standard Hypervisor R/w + (0x200, 'vsstatus'), + (0x204, 'vsie'), + (0x205, 'vstvec'), + (0x240, 'vsscratch'), + (0x241, 'vsepc'), + (0x242, 'vscause'), + (0x243, 'vstval'), + (0x244, 'vsip'), + (0x280, 'vsatp'), + (0x600, 'hstatus'), + (0x602, 'hedeleg'), + (0x603, 'hideleg'), + (0x604, 'hie'), + (0x605, 'htimedelta'), + (0x606, 'hcounteren'), + (0x607, 'hgeie'), + (0x60A, 'henvcfg'), + (0x643, 'htval'), + (0x644, 'hip'), + (0x645, 'hvip'), + (0x64A, 'htinst'), + (0x680, 'hgatp'), + (0x6A8, 'hcontext'), + (0xE12, 'hgeip'), + + # Tentative CSR assignment for CLIC + (0x007, 'utvt'), + (0x045, 'unxti'), + (0x046, 'uintstatus'), + (0x048, 'uscratchcsw'), + (0x049, 'uscratchcswl'), + (0x107, 'stvt'), + (0x145, 'snxti'), + (0x146, 'sintstatus'), + (0x148, 'sscratchcsw'), + (0x149, 'sscratchcswl'), + (0x307, 'mtvt'), + (0x345, 'mnxti'), + (0x346, 'mintstatus'), + (0x348, 'mscratchcsw'), + (0x349, 'mscratchcswl'), + + # Standard Machine R/W + (0x300, 'mstatus'), + (0x301, 'misa'), + (0x302, 'medeleg'), + (0x303, 'mideleg'), + (0x304, 'mie'), + (0x305, 'mtvec'), + (0x306, 'mcounteren'), + (0x30a, 'menvcfg'), + (0x320, 'mcountinhibit'), + (0x340, 'mscratch'), + (0x341, 'mepc'), + (0x342, 'mcause'), + (0x343, 'mtval'), + (0x344, 'mip'), + (0x34a, 'mtinst'), + (0x34b, 'mtval2'), + (0x3a0, 'pmpcfg0'), + (0x3a1, 'pmpcfg1'), + (0x3a2, 'pmpcfg2'), + (0x3a3, 'pmpcfg3'), + (0x3a4, 'pmpcfg4'), + (0x3a5, 'pmpcfg5'), + (0x3a6, 'pmpcfg6'), + (0x3a7, 'pmpcfg7'), + (0x3a8, 'pmpcfg8'), + (0x3a9, 'pmpcfg9'), + (0x3aa, 'pmpcfg10'), + (0x3ab, 'pmpcfg11'), + (0x3ac, 'pmpcfg12'), + (0x3ad, 'pmpcfg13'), + (0x3ae, 'pmpcfg14'), + (0x3af, 'pmpcfg15'), + (0x3b0, 'pmpaddr0'), + (0x3b1, 'pmpaddr1'), + (0x3b2, 'pmpaddr2'), + (0x3b3, 'pmpaddr3'), + (0x3b4, 'pmpaddr4'), + (0x3b5, 'pmpaddr5'), + (0x3b6, 'pmpaddr6'), + (0x3b7, 'pmpaddr7'), + (0x3b8, 'pmpaddr8'), + (0x3b9, 'pmpaddr9'), + (0x3ba, 'pmpaddr10'), + (0x3bb, 'pmpaddr11'), + (0x3bc, 'pmpaddr12'), + (0x3bd, 'pmpaddr13'), + (0x3be, 'pmpaddr14'), + (0x3bf, 'pmpaddr15'), + (0x3c0, 'pmpaddr16'), + (0x3c1, 'pmpaddr17'), + (0x3c2, 'pmpaddr18'), + (0x3c3, 'pmpaddr19'), + (0x3c4, 'pmpaddr20'), + (0x3c5, 'pmpaddr21'), + (0x3c6, 'pmpaddr22'), + (0x3c7, 'pmpaddr23'), + (0x3c8, 'pmpaddr24'), + (0x3c9, 'pmpaddr25'), + (0x3ca, 'pmpaddr26'), + (0x3cb, 'pmpaddr27'), + (0x3cc, 'pmpaddr28'), + (0x3cd, 'pmpaddr29'), + (0x3ce, 'pmpaddr30'), + (0x3cf, 'pmpaddr31'), + (0x3d0, 'pmpaddr32'), + (0x3d1, 'pmpaddr33'), + (0x3d2, 'pmpaddr34'), + (0x3d3, 'pmpaddr35'), + (0x3d4, 'pmpaddr36'), + (0x3d5, 'pmpaddr37'), + (0x3d6, 'pmpaddr38'), + (0x3d7, 'pmpaddr39'), + (0x3d8, 'pmpaddr40'), + (0x3d9, 'pmpaddr41'), + (0x3da, 'pmpaddr42'), + (0x3db, 'pmpaddr43'), + (0x3dc, 'pmpaddr44'), + (0x3dd, 'pmpaddr45'), + (0x3de, 'pmpaddr46'), + (0x3df, 'pmpaddr47'), + (0x3e0, 'pmpaddr48'), + (0x3e1, 'pmpaddr49'), + (0x3e2, 'pmpaddr50'), + (0x3e3, 'pmpaddr51'), + (0x3e4, 'pmpaddr52'), + (0x3e5, 'pmpaddr53'), + (0x3e6, 'pmpaddr54'), + (0x3e7, 'pmpaddr55'), + (0x3e8, 'pmpaddr56'), + (0x3e9, 'pmpaddr57'), + (0x3ea, 'pmpaddr58'), + (0x3eb, 'pmpaddr59'), + (0x3ec, 'pmpaddr60'), + (0x3ed, 'pmpaddr61'), + (0x3ee, 'pmpaddr62'), + (0x3ef, 'pmpaddr63'), + (0x747, 'mseccfg'), + (0x7a0, 'tselect'), + (0x7a1, 'tdata1'), + (0x7a2, 'tdata2'), + (0x7a3, 'tdata3'), + (0x7a4, 'tinfo'), + (0x7a5, 'tcontrol'), + (0x7a8, 'mcontext'), + (0x7aa, 'mscontext'), + (0x7b0, 'dcsr'), + (0x7b1, 'dpc'), + (0x7b2, 'dscratch0'), + (0x7b3, 'dscratch1'), + (0xB00, 'mcycle'), + (0xB02, 'minstret'), + (0xB03, 'mhpmcounter3'), + (0xB04, 'mhpmcounter4'), + (0xB05, 'mhpmcounter5'), + (0xB06, 'mhpmcounter6'), + (0xB07, 'mhpmcounter7'), + (0xB08, 'mhpmcounter8'), + (0xB09, 'mhpmcounter9'), + (0xB0A, 'mhpmcounter10'), + (0xB0B, 'mhpmcounter11'), + (0xB0C, 'mhpmcounter12'), + (0xB0D, 'mhpmcounter13'), + (0xB0E, 'mhpmcounter14'), + (0xB0F, 'mhpmcounter15'), + (0xB10, 'mhpmcounter16'), + (0xB11, 'mhpmcounter17'), + (0xB12, 'mhpmcounter18'), + (0xB13, 'mhpmcounter19'), + (0xB14, 'mhpmcounter20'), + (0xB15, 'mhpmcounter21'), + (0xB16, 'mhpmcounter22'), + (0xB17, 'mhpmcounter23'), + (0xB18, 'mhpmcounter24'), + (0xB19, 'mhpmcounter25'), + (0xB1A, 'mhpmcounter26'), + (0xB1B, 'mhpmcounter27'), + (0xB1C, 'mhpmcounter28'), + (0xB1D, 'mhpmcounter29'), + (0xB1E, 'mhpmcounter30'), + (0xB1F, 'mhpmcounter31'), + (0x323, 'mhpmevent3'), + (0x324, 'mhpmevent4'), + (0x325, 'mhpmevent5'), + (0x326, 'mhpmevent6'), + (0x327, 'mhpmevent7'), + (0x328, 'mhpmevent8'), + (0x329, 'mhpmevent9'), + (0x32A, 'mhpmevent10'), + (0x32B, 'mhpmevent11'), + (0x32C, 'mhpmevent12'), + (0x32D, 'mhpmevent13'), + (0x32E, 'mhpmevent14'), + (0x32F, 'mhpmevent15'), + (0x330, 'mhpmevent16'), + (0x331, 'mhpmevent17'), + (0x332, 'mhpmevent18'), + (0x333, 'mhpmevent19'), + (0x334, 'mhpmevent20'), + (0x335, 'mhpmevent21'), + (0x336, 'mhpmevent22'), + (0x337, 'mhpmevent23'), + (0x338, 'mhpmevent24'), + (0x339, 'mhpmevent25'), + (0x33A, 'mhpmevent26'), + (0x33B, 'mhpmevent27'), + (0x33C, 'mhpmevent28'), + (0x33D, 'mhpmevent29'), + (0x33E, 'mhpmevent30'), + (0x33F, 'mhpmevent31'), + + # Standard Machine RO + (0xF11, 'mvendorid'), + (0xF12, 'marchid'), + (0xF13, 'mimpid'), + (0xF14, 'mhartid'), + (0xF15, 'mconfigptr'), +] + +csrs32 = [ + # Standard Hypervisor R/w + (0x615, 'htimedeltah'), + (0x61A, 'henvcfgh'), + + # Standard User RO + (0xC80, 'cycleh'), + (0xC81, 'timeh'), + (0xC82, 'instreth'), + (0xC83, 'hpmcounter3h'), + (0xC84, 'hpmcounter4h'), + (0xC85, 'hpmcounter5h'), + (0xC86, 'hpmcounter6h'), + (0xC87, 'hpmcounter7h'), + (0xC88, 'hpmcounter8h'), + (0xC89, 'hpmcounter9h'), + (0xC8A, 'hpmcounter10h'), + (0xC8B, 'hpmcounter11h'), + (0xC8C, 'hpmcounter12h'), + (0xC8D, 'hpmcounter13h'), + (0xC8E, 'hpmcounter14h'), + (0xC8F, 'hpmcounter15h'), + (0xC90, 'hpmcounter16h'), + (0xC91, 'hpmcounter17h'), + (0xC92, 'hpmcounter18h'), + (0xC93, 'hpmcounter19h'), + (0xC94, 'hpmcounter20h'), + (0xC95, 'hpmcounter21h'), + (0xC96, 'hpmcounter22h'), + (0xC97, 'hpmcounter23h'), + (0xC98, 'hpmcounter24h'), + (0xC99, 'hpmcounter25h'), + (0xC9A, 'hpmcounter26h'), + (0xC9B, 'hpmcounter27h'), + (0xC9C, 'hpmcounter28h'), + (0xC9D, 'hpmcounter29h'), + (0xC9E, 'hpmcounter30h'), + (0xC9F, 'hpmcounter31h'), + + # Standard Machine RW + (0x310, 'mstatush'), + (0x31A, 'menvcfgh'), + (0x757, 'mseccfgh'), + (0xB80, 'mcycleh'), + (0xB82, 'minstreth'), + (0xB83, 'mhpmcounter3h'), + (0xB84, 'mhpmcounter4h'), + (0xB85, 'mhpmcounter5h'), + (0xB86, 'mhpmcounter6h'), + (0xB87, 'mhpmcounter7h'), + (0xB88, 'mhpmcounter8h'), + (0xB89, 'mhpmcounter9h'), + (0xB8A, 'mhpmcounter10h'), + (0xB8B, 'mhpmcounter11h'), + (0xB8C, 'mhpmcounter12h'), + (0xB8D, 'mhpmcounter13h'), + (0xB8E, 'mhpmcounter14h'), + (0xB8F, 'mhpmcounter15h'), + (0xB90, 'mhpmcounter16h'), + (0xB91, 'mhpmcounter17h'), + (0xB92, 'mhpmcounter18h'), + (0xB93, 'mhpmcounter19h'), + (0xB94, 'mhpmcounter20h'), + (0xB95, 'mhpmcounter21h'), + (0xB96, 'mhpmcounter22h'), + (0xB97, 'mhpmcounter23h'), + (0xB98, 'mhpmcounter24h'), + (0xB99, 'mhpmcounter25h'), + (0xB9A, 'mhpmcounter26h'), + (0xB9B, 'mhpmcounter27h'), + (0xB9C, 'mhpmcounter28h'), + (0xB9D, 'mhpmcounter29h'), + (0xB9E, 'mhpmcounter30h'), + (0xB9F, 'mhpmcounter31h'), +] + +# look up table of position of various arguments that are used by the +# instructions in the encoding files. +arg_lut = {} +arg_lut['rd'] = (11, 7) +arg_lut['rt'] = (19, 15) # source+dest register address. Overlaps rs1. +arg_lut['rs1'] = (19, 15) +arg_lut['rs2'] = (24, 20) +arg_lut['rs3'] = (31, 27) +arg_lut['aqrl'] = (26, 25) +arg_lut['aq'] = (26, 26) +arg_lut['rl'] = (25, 25) +arg_lut['fm'] = (31, 28) +arg_lut['pred'] = (27, 24) +arg_lut['succ'] = (23, 20) +arg_lut['rm'] = (14, 12) +arg_lut['funct3'] = (14, 12) +arg_lut['funct2'] = (26, 25) +arg_lut['imm20'] = (31, 12) +arg_lut['jimm20'] = (31, 12) +arg_lut['imm12'] = (31, 20) +arg_lut['csr'] = (31, 20) +arg_lut['imm12hi'] = (31, 25) +arg_lut['bimm12hi'] = (31, 25) +arg_lut['imm12lo'] = (11, 7) +arg_lut['bimm12lo'] = (11, 7) +arg_lut['zimm'] = (19, 15) +arg_lut['shamt'] = (25, 20) +arg_lut['shamtw'] = (24, 20) +arg_lut['shamtw4'] = (23, 20) +arg_lut['bs'] = (31, 30) # byte select for RV32K AES +arg_lut['rnum'] = (23, 20) # round constant for RV64 AES +arg_lut['rc'] = (29, 25) +arg_lut['imm2'] = (21, 20) +arg_lut['imm3'] = (22, 20) +arg_lut['imm4'] = (23, 20) +arg_lut['imm5'] = (24, 20) +arg_lut['imm6'] = (25, 20) +arg_lut['zimm'] = (19, 15) +arg_lut['opcode'] = (6,0) +arg_lut['funct7'] = (31,25) + +# for vectors +arg_lut['vd'] = (11, 7) +arg_lut['vs3'] = (11, 7) +arg_lut['vs1'] = (19, 15) +arg_lut['vs2'] = (24, 20) +arg_lut['vm'] = (25, 25) +arg_lut['wd'] = (26, 26) +arg_lut['amoop'] = (31, 27) +arg_lut['nf'] = (31, 29) +arg_lut['simm5'] = (19, 15) +arg_lut['zimm10'] = (29, 20) +arg_lut['zimm11'] = (30, 20) + + +#compressed immediates and fields +arg_lut['c_nzuimm10'] = (12,5) +arg_lut['c_uimm7lo'] = (6,5) +arg_lut['c_uimm7hi'] = (12,10) +arg_lut['c_uimm8lo'] = (6,5) +arg_lut['c_uimm8hi'] = (12,10) +arg_lut['c_uimm9lo'] = (6,5) +arg_lut['c_uimm9hi'] = (12,10) +arg_lut['c_nzimm6lo'] = (6,2) +arg_lut['c_nzimm6hi'] = (12,12) +arg_lut['c_imm6lo'] = (6,2) +arg_lut['c_imm6hi'] = (12,12) +arg_lut['c_nzimm10hi'] = (12,12) +arg_lut['c_nzimm10lo'] = (6,2) +arg_lut['c_nzimm18hi'] = (12,12) +arg_lut['c_nzimm18lo'] = (6,2) +arg_lut['c_imm12'] = (12,2) +arg_lut['c_bimm9lo'] = (6,2) +arg_lut['c_bimm9hi'] = (12,10) +arg_lut['c_nzuimm5'] = (6,2) +arg_lut['c_nzuimm6lo'] = (6,2) +arg_lut['c_nzuimm6hi'] = (12, 12) +arg_lut['c_uimm8splo'] = (6,2) +arg_lut['c_uimm8sphi'] = (12, 12) +arg_lut['c_uimm8sp_s'] = (12,7) +arg_lut['c_uimm10splo'] = (6,2) +arg_lut['c_uimm10sphi'] = (12, 12) +arg_lut['c_uimm9splo'] = (6,2) +arg_lut['c_uimm9sphi'] = (12, 12) +arg_lut['c_uimm10sp_s'] = (12,7) +arg_lut['c_uimm9sp_s'] = (12,7) + +arg_lut['rs1_p'] = (9,7) +arg_lut['rs2_p'] = (4,2) +arg_lut['rd_p'] = (4,2) +arg_lut['rd_rs1_n0'] = (11,7) +arg_lut['rd_rs1_p'] = (9,7) +arg_lut['rd_rs1'] = (11,7) +arg_lut['rd_n2'] = (11,7) +arg_lut['rd_n0'] = (11,7) +arg_lut['rs1_n0'] = (11,7) +arg_lut['c_rs2_n0'] = (6,2) +arg_lut['c_rs1_n0'] = (11,7) +arg_lut['c_rs2'] = (6,2) + +# dictionary containing the mapping of the argument to the what the fields in +# the latex table should be +latex_mapping = {} +latex_mapping['imm12'] = 'imm[11:0]' +latex_mapping['rs1'] = 'rs1' +latex_mapping['rs2'] = 'rs2' +latex_mapping['rd'] = 'rd' +latex_mapping['imm20'] = 'imm[31:12]' +latex_mapping['bimm12hi'] = 'imm[12$\\vert$10:5]' +latex_mapping['bimm12lo'] = 'imm[4:1$\\vert$11]' +latex_mapping['imm12hi'] = 'imm[11:5]' +latex_mapping['imm12lo'] = 'imm[4:0]' +latex_mapping['jimm20'] = 'imm[20$\\vert$10:1$\\vert$11$\\vert$19:12]' +latex_mapping['zimm'] = 'uimm' +latex_mapping['shamtw'] = 'shamt' +latex_mapping['rd_p'] = "rd\\,$'$" +latex_mapping['rs1_p'] = "rs1\\,$'$" +latex_mapping['rs2_p'] = "rs2\\,$'$" +latex_mapping['rd_rs1_n0'] = 'rd/rs$\\neq$0' +latex_mapping['rd_rs1_p'] = "rs1\\,$'$/rs2\\,$'$" +latex_mapping['c_rs2'] = 'rs2' +latex_mapping['c_rs2_n0'] = 'rs2$\\neq$0' +latex_mapping['rd_n0'] = 'rd$\\neq$0' +latex_mapping['rs1_n0'] = 'rs1$\\neq$0' +latex_mapping['c_rs1_n0'] = 'rs1$\\neq$0' +latex_mapping['rd_rs1'] = 'rd/rs1' +latex_mapping['c_nzuimm10'] = "nzuimm[5:4$\\vert$9:6$\\vert$2$\\vert$3]" +latex_mapping['c_uimm7lo'] = 'uimm[2$\\vert$6]' +latex_mapping['c_uimm7hi'] = 'uimm[5:3]' +latex_mapping['c_uimm8lo'] = 'uimm[7:6]' +latex_mapping['c_uimm8hi'] = 'uimm[5:3]' +latex_mapping['c_uimm9lo'] = 'uimm[7:6]' +latex_mapping['c_uimm9hi'] = 'uimm[5:4$\\vert$8]' +latex_mapping['c_nzimm6lo'] = 'nzimm[4:0]' +latex_mapping['c_nzimm6hi'] = 'nzimm[5]' +latex_mapping['c_imm6lo'] = 'imm[4:0]' +latex_mapping['c_imm6hi'] = 'imm[5]' +latex_mapping['c_nzimm10hi'] = 'nzimm[9]' +latex_mapping['c_nzimm10lo'] = 'nzimm[4$\\vert$6$\\vert$8:7$\\vert$5]' +latex_mapping['c_nzimm18hi'] = 'nzimm[17]' +latex_mapping['c_nzimm18lo'] = 'nzimm[16:12]' +latex_mapping['c_imm12'] = 'imm[11$\\vert$4$\\vert$9:8$\\vert$10$\\vert$6$\\vert$7$\\vert$3:1$\\vert$5]' +latex_mapping['c_bimm9lo'] = 'imm[7:6$\\vert$2:1$\\vert$5]' +latex_mapping['c_bimm9hi'] = 'imm[8$\\vert$4:3]' +latex_mapping['c_nzuimm5'] = 'nzuimm[4:0]' +latex_mapping['c_nzuimm6lo'] = 'nzuimm[4:0]' +latex_mapping['c_nzuimm6hi'] = 'nzuimm[5]' +latex_mapping['c_uimm8splo'] = 'uimm[4:2$\\vert$7:6]' +latex_mapping['c_uimm8sphi'] = 'uimm[5]' +latex_mapping['c_uimm8sp_s'] = 'uimm[5:2$\\vert$7:6]' +latex_mapping['c_uimm10splo'] = 'uimm[4$\\vert$9:6]' +latex_mapping['c_uimm10sphi'] = 'uimm[5]' +latex_mapping['c_uimm9splo'] = 'uimm[4:3$\\vert$8:6]' +latex_mapping['c_uimm9sphi'] = 'uimm[5]' +latex_mapping['c_uimm10sp_s'] = 'uimm[5:4$\\vert$9:6]' +latex_mapping['c_uimm9sp_s'] = 'uimm[5:3$\\vert$8:6]' + +# created a dummy instruction-dictionary like dictionary for all the instruction +# types so that the same logic can be used to create their tables +latex_inst_type = {} +latex_inst_type['R-type'] = {} +latex_inst_type['R-type']['variable_fields'] = ['opcode', 'rd', 'funct3', \ + 'rs1', 'rs2', 'funct7'] +latex_inst_type['R4-type'] = {} +latex_inst_type['R4-type']['variable_fields'] = ['opcode', 'rd', 'funct3', \ + 'rs1', 'rs2', 'funct2', 'rs3'] +latex_inst_type['I-type'] = {} +latex_inst_type['I-type']['variable_fields'] = ['opcode', 'rd', 'funct3', \ + 'rs1', 'imm12'] +latex_inst_type['S-type'] = {} +latex_inst_type['S-type']['variable_fields'] = ['opcode', 'imm12lo', 'funct3', \ + 'rs1', 'rs2', 'imm12hi'] +latex_inst_type['B-type'] = {} +latex_inst_type['B-type']['variable_fields'] = ['opcode', 'bimm12lo', 'funct3', \ + 'rs1', 'rs2', 'bimm12hi'] +latex_inst_type['U-type'] = {} +latex_inst_type['U-type']['variable_fields'] = ['opcode', 'rd', 'imm20'] +latex_inst_type['J-type'] = {} +latex_inst_type['J-type']['variable_fields'] = ['opcode', 'rd', 'jimm20'] +latex_fixed_fields = [] +latex_fixed_fields.append((31,25)) +latex_fixed_fields.append((24,20)) +latex_fixed_fields.append((19,15)) +latex_fixed_fields.append((14,12)) +latex_fixed_fields.append((11,7)) +latex_fixed_fields.append((6,0)) |