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Length: 10692 (0x29c4)
Types: TextFile
Names: »INIT.P«
└─⟦b8af24a88⟧ Bits:30005796 CR80 Disc Pack ( MINICAMPS )
└─ ⟦this⟧ »GENS.D!SYSGEN.D!FMS.D!DUAL.D!INIT.P«
======== COMPILATION STARTED AT: 81:08:21 09:59
======== INIT.S
00.00001 "--------------------------------------------------------------------
00.00002 "
00.00003 " PROJECT: AMOS
00.00004 "
00.00005 " MODULE NAME: CR File System, adaption and initialize module
00.00006 " MODULE ID NMB: CSS/920
00.00007 " MODULE VERSION: 0301
00.00008 " MODULE TYPE: MAIN MODULE
00.00009 " MODULE FILES: S
00.00010 " IO.I
00.00011 " CONFIG.S
00.00012 " MERGE FILES: @**GENS.D*SWELLPREFIX.D*GENERALPARAMS.S
00.00013 " @**GENS.D*SWELLPREFIX.D*X2GENPARAMS.S
00.00014 " @**GENS.D*SWELLPREFIX.D*MONITORNAMES.S
00.00015 " @**GENS.D*SWELLPREFIX.D*COMONPARAMS.S
00.00016 "
00.00017 " SPECIFICATIONS: Informal
00.00018 " AUTHOR/DATE: NMJ/800919
00.00019 "
00.00020 " DELIVERABLE: YES
00.00021 " SOURCE LANGUAGE: SWELL
00.00022 " COMPILE COMPUTER: CR80
00.00023 " TARGET COMPUTER: CR80
00.00024 " OPERATING SYSTEM: AMOS
00.00025 "
00.00026 "--------------------------------------------------------------------
00.00027 "
00.00028 " CHANGE RECORD
00.00029 "
00.00030 " VERSION AUTHOR/DATE DESCRIPTION OF CHANGE
00.00031 " ------- ----------- ---------------------
00.00032 "
00.00033 " 0001 NMJ/800919 Pre-release
00.00034 " 0101 GMC/801231 First official release.
00.00035 " 0102 GMC/810119 No change to this submodule.
00.00036 " 0103 GMC/810223 Check of sectors available introduced.
00.00037 " 0201 GMC/810318 No change to this submodule.
00.00038 " 0202 GMC/810401 Minor changes to source text layout.
00.00039 " 0203 GMC/810427 No change to this submodule.
00.00040 " 0301 GMC/810603 Minor change to init-dcm parameters.
00.00041 "
00.00042 "--------------------------------------------------------------------
00.00043 "«ff»00.00044
00.00044
00.00045
00.00046 MAINMODULE FMS_INIT;
00.00047 "-------------------
00.00048
00.00049
00.00050
00.00051 %NOLIST
00.00058 %PRINT
00.00059 %SOURCE
======== IO.I
======== INIT.S
00.00059
00.00060
00.00061
00.00062 import var
00.00063 sectors_available : integer;
00.00064
00.00065 var
00.00066 init_corout: coroutine_descriptor;
00.00067 init_sem: semaphore;
00.00068
00.00069
00.00070 procedure init_sys(r6); "registers destroyed"
00.00071
00.00072 " Activates all modules in the system by calling their initialize procedures.
00.00073 " Each module should initialize its own data structures, including coroutines
00.00074 " and semaphores.
00.00075 " Workarea may be allocated from a common workarea pool.
00.00076 " Conventions for initialize procedure calls:
00.00077 "
00.00078 " r0 top of free workarea pool
00.00079 " r4 call:
00.00080 " first free of workarea when called
00.00081 " return:
00.00082 " first free of workarea;
00.00083 " on return, >> r0 implies workarea is too small
00.00084
00.00085 %LIST
00.00086 "page«ff»00.00087
00.00087 %SOURCE
======== CONFIG.S
06.00001 "Configuration parameters"
06.00002 "------------------------"
06.00003
06.00004
06.00005 const
06.00006
06.00007 nbr_fhs = 3; "number of file handlers
06.00008 nbr_chs = 0; "number of CRAM handlers
06.00009 nbr_ths = 0; "number of transaction handlers
06.00010
06.00011 nbr_local_ports = 0;
06.00012 nbr_dmas = 1;
06.00013
06.00014 nbr_fd_drvs = 1; "number of floppy disk drivers that the FMS can use;
06.00015 "they are assumed to have process names FDD000,
06.00016 "FDD001, etc.
06.00017 nbr_cdc_drvs= 2; "number of CDC disk drivers that the FMS can use;
06.00018 "they are assumed to have process names CDC000,
06.00019 "CDC001, etc.
06.00020
06.00021 nbr_ucbs = 25; "number of user control blocks: represents the
06.00022 "maximum number of processes that can use the FMS
06.00023 "at a time
06.00024 nbr_dcbs = 4; "number of device control blocks: represents the
06.00025 "maximum number of devices that may be assigned
06.00026 "at a time
06.00027 nbr_fcbs = 70; "number of file control blocks: represents the
06.00028 "maximum number of files that may be open
06.00029 "at a time
06.00030 nbr_caps = 90; "number of capabilities: represents the max nbr of
06.00031 "connections between files and users that may exist
06.00032 "at a time (and hence must be >= nbr_fcbs)
06.00033 nbr_dbcbs = 0; "number of database control blocks: represents the
06.00034 "maximum number of databases that may be used
06.00035 "at a time
06.00036
06.00037 cramteststacksize = 100;
06.00038
06.00039 cache_size = 32; "number of sectors in the cache: increasing this
06.00040 "value should increase efficiency, but it also
06.00041 "increases the workarea required by the FMS process;
06.00042 "normally it should be set to a low value to begin
06.00043 "with (25 for example), then the system should be
06.00044 "configured to give the FMS as large a process space
06.00045 "as possible, while still keeping it and the disk
06.00046 "drivers in the same memory section, then the cache
06.00047 "size can be increased so that the excessive process
06.00048 "space is minimal.
06.00049
06.00050 export var
06.00051 dma_port_spec_table: array [0..6*nbr_dmas] of integer;
06.00052 "Each entry consisting of the dma process name, and the nbr of
06.00053 "ports for low, medium and high priority, respectively.
06.00054
06.00055 init
06.00056 dma_port_spec_table=
06.00057 'DMA000', 0, 4, 0,
06.00058 -1; "table terminator
06.00059
06.00060 var
06.00061 cram_init_table: array [0..nbr_chs+nbr_dbcbs] of integer;
06.00062 "One entry per CRAM handler. An entry consists of the blocksize (in
06.00063 "bytes), followed by the identification number of each dbcb that is
06.00064 "to be handled by the handler.
06.00065
06.00066 init
06.00067 cram_init_table=
06.00068 -1; "table terminator
06.00069
06.00070
======== INIT.S
00.00087
00.00088
00.00089
00.00090
00.00091 "Submodule initialisation procedures
00.00092 "-----------------------------------
00.00093
00.00094 import procedure init_ctrl(nbr_local_ports, cache_size, nbr_dmas : integer; r0; r4; r6);
00.00095
00.00096 import procedure init_dcm(cache_size, nbr_dcbs, nbr_caps, nbr_dbcbs, nbr_ths : integer;
00.00097 r0; r4; r6);
00.00098
00.00099 import procedure init_fm(nbr_fhs, nbr_fd_drvs, nbr_cdc_drvs, nbr_dcbs,
00.00100 nbr_ucbs, nbr_fcbs, nbr_caps : integer;
00.00101 r0; r4; r6);
00.00102
00.00103 %WHEN nbr_ths = 0 SKIP
00.00104" import procedure init_tqm(nbr_ths : integer;
00.00105" r0; r4; r6);
00.00106"%COMPILE
00.00107
00.00108 %WHEN nbr_chs = 0 SKIP
00.00109" import procedure init_cram(cramteststacksize : integer;
00.00110" cram_init_table_ptr : pointer;
00.00111" r0; r4; r6);
00.00112"%COMPILE
00.00113
00.00114
00.00115
00.00116 label workarea_small;
00.00117
00.00118 var
00.00119 link:integer;
00.00120
00.00121 begin "init sys
00.00122 r6=> link;
00.00123
00.00124 -size(process_head)=> r5;
00.00125 r5@process_head.bound=> r0 + 1;
00.00126 r5@process_head.gen_head.word_size=> r4 + r5;
00.00127 r0=> r6;
00.00128 while r6-1 >>= r4 do clr(r6@integer); "clear workarea"
00.00129
00.00130 init_dcm(cache_size, nbr_dcbs, nbr_fhs, nbr_dbcbs, nbr_ths, r0, r4, r6);
00.00131 if r0 << r4 then goto workarea_small;
00.00132
00.00133 init_ctrl(nbr_local_ports, cache_size, nbr_dmas, r0, r4, r6);
00.00134 if r0 << r4 then goto workarea_small;
00.00135
00.00136 init_fm(nbr_fhs, nbr_fd_drvs, nbr_cdc_drvs, nbr_dcbs, nbr_ucbs,
00.00137 nbr_fcbs, nbr_caps, r0, r4, r6);
00.00138 if r0 << r4 then goto workarea_small;
00.00139
00.00140 %WHEN nbr_ths = 0 SKIP
00.00141" init_tqm(nbr_ths, r0, r4, r6);
00.00142" if r0 << r4 then goto workarea_small;
00.00143"%COMPILE
00.00144
00.00145 %WHEN nbr_chs = 0 SKIP
00.00146" init_cram(cramteststacksize, address(cram_init_table), r0, r4, r6);
00.00147" if r0 << r4 then goto workarea_small;
00.00148"%COMPILE
00.00149
00.00150 if sectors_available => r6 < 0 then
00.00151 begin
00.00152 out_text(address('INSUFFICIENT CACHE SIZE(:10:)(:0:)')=> r2, r6);
00.00153 mon(terminate, 2 => r0, 2 => r1, r7)
00.00154 end;
00.00155
00.00156 if r4 << r0 then
00.00157 begin
00.00158 out_text(address('EXCESSIVE PROCESS SPACE (:0:)')=>r2, r6);
00.00159 out_hexa(r0-r4=>r2, r6);
00.00160 out_text(address('(:10:)(:0:)')=>r2, r6);
00.00161 end;
00.00162
00.00163 exit(link);
00.00164
00.00165 workarea_small:
00.00166 out_text(address('INSUFFICIENT PROCESS SPACE(:10:)(:0:)')=>r2, r6);
00.00167 mon(terminate, 1=>r0, 1=>r1, r7);
00.00168
00.00169 end "init_sys";
00.00170
00.00171
00.00172 export var
00.00173 comon_data: comon_var;
00.00174
00.00175
00.00176 begin "main program"
00.00177 init_oc(r1, r6);
00.00178 out_text(address('FILE SYSTEM ACTIVE(:10:)(:0:)')=>r2, r6);
00.00179 mon(cor, address(comon_data), cm_init, address(init_corout)=>r0, r7);
00.00180 init_sys(r6);
00.00181 mon(cor, address(comon_data), sem_init, address(init_sem)=>r5, r7);
00.00182 mon(cor, address(comon_data), cm_wait, r5, r7); "wait forever"
00.00183 end;
00.00184
00.00185
00.00186 ENDMODULE
LINES: 832
CODESIZE VARSIZE CONSTSIZE TEMPSIZE
-------- ------- --------- --------
#0059 #0023 #0033 #0000
SWELL VARIABLES:
===========BLOCK: 00.00070 INIT_SYS
0036 0000 CRAM_INIT_TABLE
002F 0000 DMA_PORT_SPEC_TABLE
0037 0000 LINK
===========BLOCK: 00.00046 FMS_INIT
0038 0000 COMON_DATA
0023 0000 INIT_COROUT
002C 0000 INIT_SEM
0000 0004 SECTORS_AVAILABLE «a5»