^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1) #!/usr/bin/perl -s
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2) # SPDX-License-Identifier: GPL-2.0-or-later
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4) # NCR 53c810 script assembler
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5) # Sponsored by
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6) # iX Multiuser Multitasking Magazine
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7) #
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 8) # Copyright 1993, Drew Eckhardt
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 9) # Visionary Computing
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) # (Unix and Linux consulting and custom programming)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) # drew@Colorado.EDU
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) # +1 (303) 786-7975
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) #
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) # Support for 53c710 (via -ncr7x0_family switch) added by Richard
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) # Hirst <richard@sleepie.demon.co.uk> - 15th March 1997
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) #
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) # TolerANT and SCSI SCRIPTS are registered trademarks of NCR Corporation.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) #
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) #
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) # Basically, I follow the NCR syntax documented in the NCR53c710
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) # Programmer's guide, with the new instructions, registers, etc.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) # from the NCR53c810.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) #
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) # Differences between this assembler and NCR's are that
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) # 1. PASS, REL (data, JUMPs work fine), and the option to start a new
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) # script, are unimplemented, since I didn't use them in my scripts.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) #
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) # 2. I also emit a script_u.h file, which will undefine all of
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) # the A_*, E_*, etc. symbols defined in the script. This
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) # makes including multiple scripts in one program easier
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) #
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) # 3. This is a single pass assembler, which only emits
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) # .h files.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) #
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) # XXX - set these with command line options
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) $debug = 0; # Print general debugging messages
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) $debug_external = 0; # Print external/forward reference messages
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) $list_in_array = 1; # Emit original SCRIPTS assembler in comments in
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) # script.h
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) #$prefix; # (set by perl -s)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) # define all arrays having this prefix so we
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) # don't have name space collisions after
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) # assembling this file in different ways for
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) # different host adapters
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) # Constants
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) # Table of the SCSI phase encodings
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) %scsi_phases = (
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) 'DATA_OUT', 0x00_00_00_00, 'DATA_IN', 0x01_00_00_00, 'CMD', 0x02_00_00_00,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) 'STATUS', 0x03_00_00_00, 'MSG_OUT', 0x06_00_00_00, 'MSG_IN', 0x07_00_00_00
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) );
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) # XXX - replace references to the *_810 constants with general constants
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) # assigned at compile time based on chip type.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61) # Table of operator encodings
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62) # XXX - NCR53c710 only implements
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63) # move (nop) = 0x00_00_00_00
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64) # or = 0x02_00_00_00
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65) # and = 0x04_00_00_00
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66) # add = 0x06_00_00_00
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68) if ($ncr7x0_family) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69) %operators = (
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70) '|', 0x02_00_00_00, 'OR', 0x02_00_00_00,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71) '&', 0x04_00_00_00, 'AND', 0x04_00_00_00,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72) '+', 0x06_00_00_00
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73) );
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 74) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 75) else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 76) %operators = (
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 77) 'SHL', 0x01_00_00_00,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 78) '|', 0x02_00_00_00, 'OR', 0x02_00_00_00,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 79) 'XOR', 0x03_00_00_00,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 80) '&', 0x04_00_00_00, 'AND', 0x04_00_00_00,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 81) 'SHR', 0x05_00_00_00,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 82) # Note : low bit of the operator bit should be set for add with
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 83) # carry.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 84) '+', 0x06_00_00_00
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 85) );
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 86) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 87)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 88) # Table of register addresses
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 89)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 90) if ($ncr7x0_family) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 91) %registers = (
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 92) 'SCNTL0', 0, 'SCNTL1', 1, 'SDID', 2, 'SIEN', 3,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 93) 'SCID', 4, 'SXFER', 5, 'SODL', 6, 'SOCL', 7,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 94) 'SFBR', 8, 'SIDL', 9, 'SBDL', 10, 'SBCL', 11,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 95) 'DSTAT', 12, 'SSTAT0', 13, 'SSTAT1', 14, 'SSTAT2', 15,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 96) 'DSA0', 16, 'DSA1', 17, 'DSA2', 18, 'DSA3', 19,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 97) 'CTEST0', 20, 'CTEST1', 21, 'CTEST2', 22, 'CTEST3', 23,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 98) 'CTEST4', 24, 'CTEST5', 25, 'CTEST6', 26, 'CTEST7', 27,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 99) 'TEMP0', 28, 'TEMP1', 29, 'TEMP2', 30, 'TEMP3', 31,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) 'DFIFO', 32, 'ISTAT', 33, 'CTEST8', 34, 'LCRC', 35,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) 'DBC0', 36, 'DBC1', 37, 'DBC2', 38, 'DCMD', 39,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) 'DNAD0', 40, 'DNAD1', 41, 'DNAD2', 42, 'DNAD3', 43,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103) 'DSP0', 44, 'DSP1', 45, 'DSP2', 46, 'DSP3', 47,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) 'DSPS0', 48, 'DSPS1', 49, 'DSPS2', 50, 'DSPS3', 51,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) 'SCRATCH0', 52, 'SCRATCH1', 53, 'SCRATCH2', 54, 'SCRATCH3', 55,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) 'DMODE', 56, 'DIEN', 57, 'DWT', 58, 'DCNTL', 59,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107) 'ADDER0', 60, 'ADDER1', 61, 'ADDER2', 62, 'ADDER3', 63,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108) );
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111) %registers = (
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112) 'SCNTL0', 0, 'SCNTL1', 1, 'SCNTL2', 2, 'SCNTL3', 3,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113) 'SCID', 4, 'SXFER', 5, 'SDID', 6, 'GPREG', 7,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114) 'SFBR', 8, 'SOCL', 9, 'SSID', 10, 'SBCL', 11,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115) 'DSTAT', 12, 'SSTAT0', 13, 'SSTAT1', 14, 'SSTAT2', 15,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116) 'DSA0', 16, 'DSA1', 17, 'DSA2', 18, 'DSA3', 19,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117) 'ISTAT', 20,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118) 'CTEST0', 24, 'CTEST1', 25, 'CTEST2', 26, 'CTEST3', 27,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119) 'TEMP0', 28, 'TEMP1', 29, 'TEMP2', 30, 'TEMP3', 31,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120) 'DFIFO', 32, 'CTEST4', 33, 'CTEST5', 34, 'CTEST6', 35,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121) 'DBC0', 36, 'DBC1', 37, 'DBC2', 38, 'DCMD', 39,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122) 'DNAD0', 40, 'DNAD1', 41, 'DNAD2', 42, 'DNAD3', 43,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123) 'DSP0', 44, 'DSP1', 45, 'DSP2', 46, 'DSP3', 47,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124) 'DSPS0', 48, 'DSPS1', 49, 'DSPS2', 50, 'DSPS3', 51,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125) 'SCRATCH0', 52, 'SCRATCH1', 53, 'SCRATCH2', 54, 'SCRATCH3', 55,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126) 'SCRATCHA0', 52, 'SCRATCHA1', 53, 'SCRATCHA2', 54, 'SCRATCHA3', 55,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127) 'DMODE', 56, 'DIEN', 57, 'DWT', 58, 'DCNTL', 59,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128) 'ADDER0', 60, 'ADDER1', 61, 'ADDER2', 62, 'ADDER3', 63,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129) 'SIEN0', 64, 'SIEN1', 65, 'SIST0', 66, 'SIST1', 67,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130) 'SLPAR', 68, 'MACNTL', 70, 'GPCNTL', 71,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131) 'STIME0', 72, 'STIME1', 73, 'RESPID', 74,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132) 'STEST0', 76, 'STEST1', 77, 'STEST2', 78, 'STEST3', 79,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133) 'SIDL', 80,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134) 'SODL', 84,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135) 'SBDL', 88,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136) 'SCRATCHB0', 92, 'SCRATCHB1', 93, 'SCRATCHB2', 94, 'SCRATCHB3', 95
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137) );
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140) # Parsing regular expressions
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141) $identifier = '[A-Za-z_][A-Za-z_0-9]*';
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 142) $decnum = '-?\\d+';
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 143) $hexnum = '0[xX][0-9A-Fa-f]+';
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 144) $constant = "$hexnum|$decnum";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 145)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 146) # yucky - since we can't control grouping of # $constant, we need to
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 147) # expand out each alternative for $value.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 148)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 149) $value = "$identifier|$identifier\\s*[+\-]\\s*$decnum|".
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 150) "$identifier\\s*[+-]\s*$hexnum|$constant";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 151)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 152) print STDERR "value regex = $value\n" if ($debug);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 153)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 154) $phase = join ('|', keys %scsi_phases);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 155) print STDERR "phase regex = $phase\n" if ($debug);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 156) $register = join ('|', keys %registers);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 157)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 158) # yucky - since %operators includes meta-characters which must
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 159) # be escaped, I can't use the join() trick I used for the register
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 160) # regex
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 161)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 162) if ($ncr7x0_family) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 163) $operator = '\||OR|AND|\&|\+';
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 164) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 165) else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 166) $operator = '\||OR|AND|XOR|\&|\+';
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 167) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 168)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 169) # Global variables
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 170)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 171) %symbol_values = (%registers) ; # Traditional symbol table
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 172)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 173) %symbol_references = () ; # Table of symbol references, where
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 174) # the index is the symbol name,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 175) # and the contents a white space
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 176) # delimited list of address,size
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 177) # tuples where size is in bytes.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 178)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 179) @code = (); # Array of 32 bit words for SIOP
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 180)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 181) @entry = (); # Array of entry point names
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 182)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 183) @label = (); # Array of label names
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 184)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 185) @absolute = (); # Array of absolute names
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 186)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 187) @relative = (); # Array of relative names
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 188)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 189) @external = (); # Array of external names
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 190)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 191) $address = 0; # Address of current instruction
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 192)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 193) $lineno = 0; # Line number we are parsing
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 194)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 195) $output = 'script.h'; # Output file
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 196) $outputu = 'scriptu.h';
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 197)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 198) # &patch ($address, $offset, $length, $value) patches $code[$address]
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 199) # so that the $length bytes at $offset have $value added to
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 200) # them.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 201)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 202) @inverted_masks = (0x00_00_00_00, 0x00_00_00_ff, 0x00_00_ff_ff, 0x00_ff_ff_ff,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 203) 0xff_ff_ff_ff);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 204)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 205) sub patch {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 206) local ($address, $offset, $length, $value) = @_;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 207) if ($debug) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 208) print STDERR "Patching $address at offset $offset, length $length to $value\n";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 209) printf STDERR "Old code : %08x\n", $code[$address];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 210) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 211)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 212) $mask = ($inverted_masks[$length] << ($offset * 8));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 213)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 214) $code[$address] = ($code[$address] & ~$mask) |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 215) (($code[$address] & $mask) + ($value << ($offset * 8)) &
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 216) $mask);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 217)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 218) printf STDERR "New code : %08x\n", $code[$address] if ($debug);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 219) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 220)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 221) # &parse_value($value, $word, $offset, $length) where $value is
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 222) # an identifier or constant, $word is the word offset relative to
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 223) # $address, $offset is the starting byte within that word, and
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 224) # $length is the length of the field in bytes.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 225) #
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 226) # Side effects are that the bytes are combined into the @code array
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 227) # relative to $address, and that the %symbol_references table is
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 228) # updated as appropriate.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 229)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 230) sub parse_value {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 231) local ($value, $word, $offset, $length) = @_;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 232) local ($tmp);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 233)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 234) $symbol = '';
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 235)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 236) if ($value =~ /^REL\s*\(\s*($identifier)\s*\)\s*(.*)/i) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 237) $relative = 'REL';
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 238) $symbol = $1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 239) $value = $2;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 240) print STDERR "Relative reference $symbol\n" if ($debug);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 241) } elsif ($value =~ /^($identifier)\s*(.*)/) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 242) $relative = 'ABS';
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 243) $symbol = $1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 244) $value = $2;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 245) print STDERR "Absolute reference $symbol\n" if ($debug);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 246) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 247)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 248) if ($symbol ne '') {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 249) print STDERR "Referencing symbol $1, length = $length in $_\n" if ($debug);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 250) $tmp = ($address + $word) * 4 + $offset;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 251) if ($symbol_references{$symbol} ne undef) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 252) $symbol_references{$symbol} =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 253) "$symbol_references{$symbol} $relative,$tmp,$length";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 254) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 255) if (!defined($symbol_values{$symbol})) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 256) print STDERR "forward $1\n" if ($debug_external);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 257) $forward{$symbol} = "line $lineno : $_";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 258) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 259) $symbol_references{$symbol} = "$relative,$tmp,$length";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 260) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 261) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 262)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 263) $value = eval $value;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 264) &patch ($address + $word, $offset, $length, $value);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 265) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 266)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 267) # &parse_conditional ($conditional) where $conditional is the conditional
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 268) # clause from a transfer control instruction (RETURN, CALL, JUMP, INT).
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 269)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 270) sub parse_conditional {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 271) local ($conditional) = @_;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 272) if ($conditional =~ /^\s*(IF|WHEN)\s*(.*)/i) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 273) $if = $1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 274) $conditional = $2;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 275) if ($if =~ /WHEN/i) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 276) $allow_atn = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 277) $code[$address] |= 0x00_01_00_00;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 278) $allow_atn = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 279) print STDERR "$0 : parsed WHEN\n" if ($debug);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 280) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 281) $allow_atn = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 282) print STDERR "$0 : parsed IF\n" if ($debug);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 283) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 284) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 285) die "$0 : syntax error in line $lineno : $_
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 286) expected IF or WHEN
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 287) ";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 288) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 289)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 290) if ($conditional =~ /^NOT\s+(.*)$/i) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 291) $not = 'NOT ';
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 292) $other = 'OR';
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 293) $conditional = $1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 294) print STDERR "$0 : parsed NOT\n" if ($debug);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 295) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 296) $code[$address] |= 0x00_08_00_00;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 297) $not = '';
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 298) $other = 'AND'
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 299) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 300)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 301) $need_data = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 302) if ($conditional =~ /^ATN\s*(.*)/i) {#
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 303) die "$0 : syntax error in line $lineno : $_
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 304) WHEN conditional is incompatible with ATN
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 305) " if (!$allow_atn);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 306) $code[$address] |= 0x00_02_00_00;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 307) $conditional = $1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 308) print STDERR "$0 : parsed ATN\n" if ($debug);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 309) } elsif ($conditional =~ /^($phase)\s*(.*)/i) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 310) $phase_index = "\U$1\E";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 311) $p = $scsi_phases{$phase_index};
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 312) $code[$address] |= $p | 0x00_02_00_00;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 313) $conditional = $2;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 314) print STDERR "$0 : parsed phase $phase_index\n" if ($debug);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 315) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 316) $other = '';
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 317) $need_data = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 318) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 319)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 320) print STDERR "Parsing conjunction, expecting $other\n" if ($debug);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 321) if ($conditional =~ /^(AND|OR)\s*(.*)/i) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 322) $conjunction = $1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 323) $conditional = $2;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 324) $need_data = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 325) die "$0 : syntax error in line $lineno : $_
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 326) Illegal use of $1. Valid uses are
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 327) ".$not."<phase> $1 data
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 328) ".$not."ATN $1 data
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 329) " if ($other eq '');
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 330) die "$0 : syntax error in line $lineno : $_
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 331) Illegal use of $conjunction. Valid syntaxes are
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 332) NOT <phase>|ATN OR data
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 333) <phase>|ATN AND data
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 334) " if ($conjunction !~ /\s*$other\s*/i);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 335) print STDERR "$0 : parsed $1\n" if ($debug);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 336) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 337)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 338) if ($need_data) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 339) print STDERR "looking for data in $conditional\n" if ($debug);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 340) if ($conditional=~ /^($value)\s*(.*)/i) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 341) $code[$address] |= 0x00_04_00_00;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 342) $conditional = $2;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 343) &parse_value($1, 0, 0, 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 344) print STDERR "$0 : parsed data\n" if ($debug);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 345) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 346) die "$0 : syntax error in line $lineno : $_
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 347) expected <data>.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 348) ";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 349) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 350) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 351)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 352) if ($conditional =~ /^\s*,\s*(.*)/) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 353) $conditional = $1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 354) if ($conditional =~ /^AND\s\s*MASK\s\s*($value)\s*(.*)/i) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 355) &parse_value ($1, 0, 1, 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 356) print STDERR "$0 parsed AND MASK $1\n" if ($debug);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 357) die "$0 : syntax error in line $lineno : $_
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 358) expected end of line, not \"$2\"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 359) " if ($2 ne '');
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 360) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 361) die "$0 : syntax error in line $lineno : $_
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 362) expected \",AND MASK <data>\", not \"$2\"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 363) ";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 364) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 365) } elsif ($conditional !~ /^\s*$/) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 366) die "$0 : syntax error in line $lineno : $_
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 367) expected end of line" . (($need_data) ? " or \"AND MASK <data>\"" : "") . "
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 368) not \"$conditional\"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 369) ";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 370) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 371) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 372)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 373) # Parse command line
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 374) $output = shift;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 375) $outputu = shift;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 376)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 377)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 378) # Main loop
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 379) while (<STDIN>) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 380) $lineno = $lineno + 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 381) $list[$address] = $list[$address].$_;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 382) s/;.*$//; # Strip comments
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 383)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 384)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 385) chop; # Leave new line out of error messages
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 386)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 387) # Handle symbol definitions of the form label:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 388) if (/^\s*($identifier)\s*:(.*)/) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 389) if (!defined($symbol_values{$1})) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 390) $symbol_values{$1} = $address * 4; # Address is an index into
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 391) delete $forward{$1}; # an array of longs
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 392) push (@label, $1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 393) $_ = $2;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 394) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 395) die "$0 : redefinition of symbol $1 in line $lineno : $_\n";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 396) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 397) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 398)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 399) # Handle symbol definitions of the form ABSOLUTE or RELATIVE identifier =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 400) # value
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 401) if (/^\s*(ABSOLUTE|RELATIVE)\s+(.*)/i) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 402) $is_absolute = $1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 403) $rest = $2;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 404) foreach $rest (split (/\s*,\s*/, $rest)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 405) if ($rest =~ /^($identifier)\s*=\s*($constant)\s*$/) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 406) local ($id, $cnst) = ($1, $2);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 407) if ($symbol_values{$id} eq undef) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 408) $symbol_values{$id} = eval $cnst;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 409) delete $forward{$id};
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 410) if ($is_absolute =~ /ABSOLUTE/i) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 411) push (@absolute , $id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 412) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 413) push (@relative, $id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 414) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 415) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 416) die "$0 : redefinition of symbol $id in line $lineno : $_\n";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 417) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 418) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 419) die
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 420) "$0 : syntax error in line $lineno : $_
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 421) expected <identifier> = <value>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 422) ";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 423) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 424) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 425) } elsif (/^\s*EXTERNAL\s+(.*)/i) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 426) $externals = $1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 427) foreach $external (split (/,/,$externals)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 428) if ($external =~ /\s*($identifier)\s*$/) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 429) $external = $1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 430) push (@external, $external);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 431) delete $forward{$external};
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 432) if (defined($symbol_values{$external})) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 433) die "$0 : redefinition of symbol $1 in line $lineno : $_\n";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 434) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 435) $symbol_values{$external} = $external;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 436) print STDERR "defined external $1 to $external\n" if ($debug_external);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 437) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 438) die
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 439) "$0 : syntax error in line $lineno : $_
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 440) expected <identifier>, got $external
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 441) ";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 442) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 443) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 444) # Process ENTRY identifier declarations
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 445) } elsif (/^\s*ENTRY\s+(.*)/i) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 446) if ($1 =~ /^($identifier)\s*$/) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 447) push (@entry, $1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 448) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 449) die
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 450) "$0 : syntax error in line $lineno : $_
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 451) expected ENTRY <identifier>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 452) ";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 453) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 454) # Process MOVE length, address, WITH|WHEN phase instruction
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 455) } elsif (/^\s*MOVE\s+(.*)/i) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 456) $rest = $1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 457) if ($rest =~ /^FROM\s+($value)\s*,\s*(WITH|WHEN)\s+($phase)\s*$/i) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 458) $transfer_addr = $1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 459) $with_when = $2;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 460) $scsi_phase = $3;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 461) print STDERR "Parsing MOVE FROM $transfer_addr, $with_when $3\n" if ($debug);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 462) $code[$address] = 0x18_00_00_00 | (($with_when =~ /WITH/i) ?
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 463) 0x00_00_00_00 : 0x08_00_00_00) | $scsi_phases{$scsi_phase};
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 464) &parse_value ($transfer_addr, 1, 0, 4);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 465) $address += 2;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 466) } elsif ($rest =~ /^($value)\s*,\s*(PTR\s+|)($value)\s*,\s*(WITH|WHEN)\s+($phase)\s*$/i) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 467) $transfer_len = $1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 468) $ptr = $2;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 469) $transfer_addr = $3;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 470) $with_when = $4;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 471) $scsi_phase = $5;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 472) $code[$address] = (($with_when =~ /WITH/i) ? 0x00_00_00_00 :
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 473) 0x08_00_00_00) | (($ptr =~ /PTR/i) ? (1 << 29) : 0) |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 474) $scsi_phases{$scsi_phase};
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 475) &parse_value ($transfer_len, 0, 0, 3);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 476) &parse_value ($transfer_addr, 1, 0, 4);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 477) $address += 2;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 478) } elsif ($rest =~ /^MEMORY\s+(.*)/i) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 479) $rest = $1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 480) $code[$address] = 0xc0_00_00_00;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 481) if ($rest =~ /^($value)\s*,\s*($value)\s*,\s*($value)\s*$/) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 482) $count = $1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 483) $source = $2;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 484) $dest = $3;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 485) print STDERR "Parsing MOVE MEMORY $count, $source, $dest\n" if ($debug);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 486) &parse_value ($count, 0, 0, 3);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 487) &parse_value ($source, 1, 0, 4);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 488) &parse_value ($dest, 2, 0, 4);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 489) printf STDERR "Move memory instruction = %08x,%08x,%08x\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 490) $code[$address], $code[$address+1], $code[$address +2] if
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 491) ($debug);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 492) $address += 3;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 493)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 494) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 495) die
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 496) "$0 : syntax error in line $lineno : $_
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 497) expected <count>, <source>, <destination>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 498) "
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 499) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 500) } elsif ($1 =~ /^(.*)\s+(TO|SHL|SHR)\s+(.*)/i) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 501) print STDERR "Parsing register to register move\n" if ($debug);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 502) $src = $1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 503) $op = "\U$2\E";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 504) $rest = $3;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 505)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 506) $code[$address] = 0x40_00_00_00;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 507)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 508) $force = ($op !~ /TO/i);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 509)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 510)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 511) print STDERR "Forcing register source \n" if ($force && $debug);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 512)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 513) if (!$force && $src =~
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 514) /^($register)\s+(-|$operator)\s+($value)\s*$/i) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 515) print STDERR "register operand data8 source\n" if ($debug);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 516) $src_reg = "\U$1\E";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 517) $op = "\U$2\E";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 518) if ($op ne '-') {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 519) $data8 = $3;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 520) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 521) die "- is not implemented yet.\n"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 522) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 523) } elsif ($src =~ /^($register)\s*$/i) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 524) print STDERR "register source\n" if ($debug);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 525) $src_reg = "\U$1\E";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 526) # Encode register to register move as a register | 0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 527) # move to register.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 528) if (!$force) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 529) $op = '|';
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 530) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 531) $data8 = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 532) } elsif (!$force && $src =~ /^($value)\s*$/i) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 533) print STDERR "data8 source\n" if ($debug);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 534) $src_reg = undef;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 535) $op = 'NONE';
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 536) $data8 = $1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 537) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 538) if (!$force) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 539) die
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 540) "$0 : syntax error in line $lineno : $_
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 541) expected <register>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 542) <data8>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 543) <register> <operand> <data8>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 544) ";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 545) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 546) die
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 547) "$0 : syntax error in line $lineno : $_
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 548) expected <register>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 549) ";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 550) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 551) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 552) if ($rest =~ /^($register)\s*(.*)$/i) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 553) $dst_reg = "\U$1\E";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 554) $rest = $2;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 555) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 556) die
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 557) "$0 : syntax error in $lineno : $_
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 558) expected <register>, got $rest
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 559) ";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 560) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 561)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 562) if ($rest =~ /^WITH\s+CARRY\s*(.*)/i) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 563) $rest = $1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 564) if ($op eq '+') {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 565) $code[$address] |= 0x01_00_00_00;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 566) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 567) die
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 568) "$0 : syntax error in $lineno : $_
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 569) WITH CARRY option is incompatible with the $op operator.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 570) ";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 571) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 572) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 573)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 574) if ($rest !~ /^\s*$/) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 575) die
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 576) "$0 : syntax error in $lineno : $_
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 577) Expected end of line, got $rest
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 578) ";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 579) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 580)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 581) print STDERR "source = $src_reg, data = $data8 , destination = $dst_reg\n"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 582) if ($debug);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 583) # Note that Move data8 to reg is encoded as a read-modify-write
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 584) # instruction.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 585) if (($src_reg eq undef) || ($src_reg eq $dst_reg)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 586) $code[$address] |= 0x38_00_00_00 |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 587) ($registers{$dst_reg} << 16);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 588) } elsif ($dst_reg =~ /SFBR/i) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 589) $code[$address] |= 0x30_00_00_00 |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 590) ($registers{$src_reg} << 16);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 591) } elsif ($src_reg =~ /SFBR/i) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 592) $code[$address] |= 0x28_00_00_00 |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 593) ($registers{$dst_reg} << 16);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 594) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 595) die
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 596) "$0 : Illegal combination of registers in line $lineno : $_
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 597) Either source and destination registers must be the same,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 598) or either source or destination register must be SFBR.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 599) ";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 600) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 601)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 602) $code[$address] |= $operators{$op};
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 603)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 604) &parse_value ($data8, 0, 1, 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 605) $code[$address] |= $operators{$op};
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 606) $code[$address + 1] = 0x00_00_00_00;# Reserved
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 607) $address += 2;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 608) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 609) die
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 610) "$0 : syntax error in line $lineno : $_
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 611) expected (initiator) <length>, <address>, WHEN <phase>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 612) (target) <length>, <address>, WITH <phase>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 613) MEMORY <length>, <source>, <destination>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 614) <expression> TO <register>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 615) ";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 616) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 617) # Process SELECT {ATN|} id, fail_address
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 618) } elsif (/^\s*(SELECT|RESELECT)\s+(.*)/i) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 619) $rest = $2;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 620) if ($rest =~ /^(ATN|)\s*($value)\s*,\s*($identifier)\s*$/i) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 621) $atn = $1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 622) $id = $2;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 623) $alt_addr = $3;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 624) $code[$address] = 0x40_00_00_00 |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 625) (($atn =~ /ATN/i) ? 0x01_00_00_00 : 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 626) $code[$address + 1] = 0x00_00_00_00;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 627) &parse_value($id, 0, 2, 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 628) &parse_value($alt_addr, 1, 0, 4);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 629) $address += 2;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 630) } elsif ($rest =~ /^(ATN|)\s*FROM\s+($value)\s*,\s*($identifier)\s*$/i) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 631) $atn = $1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 632) $addr = $2;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 633) $alt_addr = $3;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 634) $code[$address] = 0x42_00_00_00 |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 635) (($atn =~ /ATN/i) ? 0x01_00_00_00 : 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 636) $code[$address + 1] = 0x00_00_00_00;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 637) &parse_value($addr, 0, 0, 3);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 638) &parse_value($alt_addr, 1, 0, 4);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 639) $address += 2;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 640) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 641) die
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 642) "$0 : syntax error in line $lineno : $_
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 643) expected SELECT id, alternate_address or
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 644) SELECT FROM address, alternate_address or
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 645) RESELECT id, alternate_address or
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 646) RESELECT FROM address, alternate_address
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 647) ";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 648) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 649) } elsif (/^\s*WAIT\s+(.*)/i) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 650) $rest = $1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 651) print STDERR "Parsing WAIT $rest\n" if ($debug);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 652) if ($rest =~ /^DISCONNECT\s*$/i) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 653) $code[$address] = 0x48_00_00_00;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 654) $code[$address + 1] = 0x00_00_00_00;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 655) $address += 2;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 656) } elsif ($rest =~ /^(RESELECT|SELECT)\s+($identifier)\s*$/i) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 657) $alt_addr = $2;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 658) $code[$address] = 0x50_00_00_00;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 659) &parse_value ($alt_addr, 1, 0, 4);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 660) $address += 2;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 661) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 662) die
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 663) "$0 : syntax error in line $lineno : $_
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 664) expected (initiator) WAIT DISCONNECT or
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 665) (initiator) WAIT RESELECT alternate_address or
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 666) (target) WAIT SELECT alternate_address
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 667) ";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 668) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 669) # Handle SET and CLEAR instructions. Note that we should also do something
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 670) # with this syntax to set target mode.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 671) } elsif (/^\s*(SET|CLEAR)\s+(.*)/i) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 672) $set = $1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 673) $list = $2;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 674) $code[$address] = ($set =~ /SET/i) ? 0x58_00_00_00 :
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 675) 0x60_00_00_00;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 676) foreach $arg (split (/\s+AND\s+/i,$list)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 677) if ($arg =~ /ATN/i) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 678) $code[$address] |= 0x00_00_00_08;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 679) } elsif ($arg =~ /ACK/i) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 680) $code[$address] |= 0x00_00_00_40;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 681) } elsif ($arg =~ /TARGET/i) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 682) $code[$address] |= 0x00_00_02_00;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 683) } elsif ($arg =~ /CARRY/i) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 684) $code[$address] |= 0x00_00_04_00;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 685) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 686) die
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 687) "$0 : syntax error in line $lineno : $_
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 688) expected $set followed by a AND delimited list of one or
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 689) more strings from the list ACK, ATN, CARRY, TARGET.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 690) ";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 691) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 692) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 693) $code[$address + 1] = 0x00_00_00_00;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 694) $address += 2;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 695) } elsif (/^\s*(JUMP|CALL|INT)\s+(.*)/i) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 696) $instruction = $1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 697) $rest = $2;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 698) if ($instruction =~ /JUMP/i) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 699) $code[$address] = 0x80_00_00_00;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 700) } elsif ($instruction =~ /CALL/i) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 701) $code[$address] = 0x88_00_00_00;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 702) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 703) $code[$address] = 0x98_00_00_00;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 704) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 705) print STDERR "parsing JUMP, rest = $rest\n" if ($debug);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 706)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 707) # Relative jump.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 708) if ($rest =~ /^(REL\s*\(\s*$identifier\s*\))\s*(.*)/i) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 709) $addr = $1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 710) $rest = $2;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 711) print STDERR "parsing JUMP REL, addr = $addr, rest = $rest\n" if ($debug);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 712) $code[$address] |= 0x00_80_00_00;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 713) &parse_value($addr, 1, 0, 4);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 714) # Absolute jump, requires no more gunk
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 715) } elsif ($rest =~ /^($value)\s*(.*)/) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 716) $addr = $1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 717) $rest = $2;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 718) &parse_value($addr, 1, 0, 4);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 719) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 720) die
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 721) "$0 : syntax error in line $lineno : $_
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 722) expected <address> or REL (address)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 723) ";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 724) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 725)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 726) if ($rest =~ /^,\s*(.*)/) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 727) &parse_conditional($1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 728) } elsif ($rest =~ /^\s*$/) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 729) $code[$address] |= (1 << 19);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 730) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 731) die
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 732) "$0 : syntax error in line $lineno : $_
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 733) expected , <conditional> or end of line, got $1
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 734) ";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 735) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 736)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 737) $address += 2;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 738) } elsif (/^\s*(RETURN|INTFLY)\s*(.*)/i) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 739) $instruction = $1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 740) $conditional = $2;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 741) print STDERR "Parsing $instruction\n" if ($debug);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 742) $code[$address] = ($instruction =~ /RETURN/i) ? 0x90_00_00_00 :
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 743) 0x98_10_00_00;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 744) if ($conditional =~ /^,\s*(.*)/) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 745) $conditional = $1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 746) &parse_conditional ($conditional);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 747) } elsif ($conditional !~ /^\s*$/) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 748) die
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 749) "$0 : syntax error in line $lineno : $_
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 750) expected , <conditional>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 751) ";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 752) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 753) $code[$address] |= 0x00_08_00_00;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 754) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 755)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 756) $code[$address + 1] = 0x00_00_00_00;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 757) $address += 2;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 758) } elsif (/^\s*DISCONNECT\s*$/) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 759) $code[$address] = 0x48_00_00_00;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 760) $code[$address + 1] = 0x00_00_00_00;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 761) $address += 2;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 762) # I'm not sure that I should be including this extension, but
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 763) # what the hell?
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 764) } elsif (/^\s*NOP\s*$/i) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 765) $code[$address] = 0x80_88_00_00;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 766) $code[$address + 1] = 0x00_00_00_00;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 767) $address += 2;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 768) # Ignore lines consisting entirely of white space
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 769) } elsif (/^\s*$/) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 770) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 771) die
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 772) "$0 : syntax error in line $lineno: $_
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 773) expected label:, ABSOLUTE, CLEAR, DISCONNECT, EXTERNAL, MOVE, RESELECT,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 774) SELECT SET, or WAIT
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 775) ";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 776) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 777) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 778)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 779) # Fill in label references
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 780)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 781) @undefined = keys %forward;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 782) if ($#undefined >= 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 783) print STDERR "Undefined symbols : \n";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 784) foreach $undef (@undefined) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 785) print STDERR "$undef in $forward{$undef}\n";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 786) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 787) exit 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 788) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 789)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 790) @label_patches = ();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 791)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 792) @external_patches = ();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 793)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 794) @absolute = sort @absolute;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 795)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 796) foreach $i (@absolute) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 797) foreach $j (split (/\s+/,$symbol_references{$i})) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 798) $j =~ /(REL|ABS),(.*),(.*)/;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 799) $type = $1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 800) $address = $2;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 801) $length = $3;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 802) die
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 803) "$0 : $symbol $i has invalid relative reference at address $address,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 804) size $length\n"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 805) if ($type eq 'REL');
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 806)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 807) &patch ($address / 4, $address % 4, $length, $symbol_values{$i});
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 808) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 809) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 810)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 811) foreach $external (@external) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 812) print STDERR "checking external $external \n" if ($debug_external);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 813) if ($symbol_references{$external} ne undef) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 814) for $reference (split(/\s+/,$symbol_references{$external})) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 815) $reference =~ /(REL|ABS),(.*),(.*)/;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 816) $type = $1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 817) $address = $2;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 818) $length = $3;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 819)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 820) die
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 821) "$0 : symbol $label is external, has invalid relative reference at $address,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 822) size $length\n"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 823) if ($type eq 'REL');
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 824)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 825) die
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 826) "$0 : symbol $label has invalid reference at $address, size $length\n"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 827) if ((($address % 4) !=0) || ($length != 4));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 828)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 829) $symbol = $symbol_values{$external};
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 830) $add = $code[$address / 4];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 831) if ($add eq 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 832) $code[$address / 4] = $symbol;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 833) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 834) $add = sprintf ("0x%08x", $add);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 835) $code[$address / 4] = "$symbol + $add";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 836) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 837)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 838) print STDERR "referenced external $external at $1\n" if ($debug_external);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 839) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 840) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 841) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 842)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 843) foreach $label (@label) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 844) if ($symbol_references{$label} ne undef) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 845) for $reference (split(/\s+/,$symbol_references{$label})) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 846) $reference =~ /(REL|ABS),(.*),(.*)/;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 847) $type = $1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 848) $address = $2;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 849) $length = $3;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 850)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 851) if ((($address % 4) !=0) || ($length != 4)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 852) die "$0 : symbol $label has invalid reference at $1, size $2\n";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 853) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 854)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 855) if ($type eq 'ABS') {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 856) $code[$address / 4] += $symbol_values{$label};
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 857) push (@label_patches, $address / 4);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 858) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 859) #
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 860) # - The address of the reference should be in the second and last word
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 861) # of an instruction
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 862) # - Relative jumps, etc. are relative to the DSP of the _next_ instruction
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 863) #
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 864) # So, we need to add four to the address of the reference, to get
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 865) # the address of the next instruction, when computing the reference.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 866)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 867) $tmp = $symbol_values{$label} -
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 868) ($address + 4);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 869) die
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 870) # Relative addressing is limited to 24 bits.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 871) "$0 : symbol $label is too far ($tmp) from $address to reference as
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 872) relative/\n" if (($tmp >= 0x80_00_00) || ($tmp < -0x80_00_00));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 873) $code[$address / 4] = $tmp & 0x00_ff_ff_ff;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 874) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 875) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 876) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 877) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 878)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 879) # Output SCRIPT[] array, one instruction per line. Optionally
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 880) # print the original code too.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 881)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 882) open (OUTPUT, ">$output") || die "$0 : can't open $output for writing\n";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 883) open (OUTPUTU, ">$outputu") || die "$0 : can't open $outputu for writing\n";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 884)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 885) ($_ = $0) =~ s:.*/::;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 886) print OUTPUT "/* DO NOT EDIT - Generated automatically by ".$_." */\n";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 887) print OUTPUT "static u32 ".$prefix."SCRIPT[] = {\n";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 888) $instructions = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 889) for ($i = 0; $i < $#code; ) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 890) if ($list_in_array) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 891) printf OUTPUT "/*\n$list[$i]\nat 0x%08x : */", $i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 892) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 893) printf OUTPUT "\t0x%08x,", $code[$i];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 894) printf STDERR "Address $i = %x\n", $code[$i] if ($debug);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 895) if ($code[$i + 1] =~ /\s*($identifier)(.*)$/) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 896) push (@external_patches, $i+1, $1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 897) printf OUTPUT "0%s,", $2
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 898) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 899) printf OUTPUT "0x%08x,",$code[$i+1];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 900) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 901)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 902) if (($code[$i] & 0xff_00_00_00) == 0xc0_00_00_00) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 903) if ($code[$i + 2] =~ /$identifier/) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 904) push (@external_patches, $i+2, $code[$i+2]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 905) printf OUTPUT "0,\n";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 906) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 907) printf OUTPUT "0x%08x,\n",$code[$i+2];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 908) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 909) $i += 3;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 910) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 911) printf OUTPUT "\n";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 912) $i += 2;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 913) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 914) $instructions += 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 915) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 916) print OUTPUT "};\n\n";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 917)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 918) foreach $i (@absolute) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 919) printf OUTPUT "#define A_$i\t0x%08x\n", $symbol_values{$i};
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 920) if (defined($prefix) && $prefix ne '') {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 921) printf OUTPUT "#define A_".$i."_used ".$prefix."A_".$i."_used\n";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 922) printf OUTPUTU "#undef A_".$i."_used\n";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 923) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 924) printf OUTPUTU "#undef A_$i\n";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 925)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 926) printf OUTPUT "static u32 A_".$i."_used\[\] __attribute((unused)) = {\n";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 927) printf STDERR "$i is used $symbol_references{$i}\n" if ($debug);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 928) foreach $j (split (/\s+/,$symbol_references{$i})) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 929) $j =~ /(ABS|REL),(.*),(.*)/;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 930) if ($1 eq 'ABS') {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 931) $address = $2;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 932) $length = $3;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 933) printf OUTPUT "\t0x%08x,\n", $address / 4;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 934) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 935) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 936) printf OUTPUT "};\n\n";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 937) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 938)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 939) foreach $i (sort @entry) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 940) printf OUTPUT "#define Ent_$i\t0x%08x\n", $symbol_values{$i};
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 941) printf OUTPUTU "#undef Ent_$i\n", $symbol_values{$i};
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 942) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 943)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 944) #
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 945) # NCR assembler outputs label patches in the form of indices into
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 946) # the code.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 947) #
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 948) printf OUTPUT "static u32 ".$prefix."LABELPATCHES[] __attribute((unused)) = {\n";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 949) for $patch (sort {$a <=> $b} @label_patches) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 950) printf OUTPUT "\t0x%08x,\n", $patch;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 951) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 952) printf OUTPUT "};\n\n";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 953)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 954) $num_external_patches = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 955) printf OUTPUT "static struct {\n\tu32\toffset;\n\tvoid\t\t*address;\n".
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 956) "} ".$prefix."EXTERNAL_PATCHES[] __attribute((unused)) = {\n";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 957) while ($ident = pop(@external_patches)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 958) $off = pop(@external_patches);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 959) printf OUTPUT "\t{0x%08x, &%s},\n", $off, $ident;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 960) ++$num_external_patches;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 961) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 962) printf OUTPUT "};\n\n";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 963)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 964) printf OUTPUT "static u32 ".$prefix."INSTRUCTIONS __attribute((unused))\t= %d;\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 965) $instructions;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 966) printf OUTPUT "static u32 ".$prefix."PATCHES __attribute((unused))\t= %d;\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 967) $#label_patches+1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 968) printf OUTPUT "static u32 ".$prefix."EXTERNAL_PATCHES_LEN __attribute((unused))\t= %d;\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 969) $num_external_patches;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 970) close OUTPUT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 971) close OUTPUTU;
Orange Pi5 kernel
Deprecated Linux kernel 5.10.110 for OrangePi 5/5B/5+ boards
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