103 lines
4.5 KiB
Plaintext
103 lines
4.5 KiB
Plaintext
1. Files in this directory
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1MB-100MHZ.h Config defines for generating 1 MB SC, 100 MHz version
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1MB-50MHZ.h Alternate version
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4MB-100MHZ.h Alternate version
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4MB-50MHZ.h Alternate version
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IO6PROM.O Contains the IO6 test PROM objects (make io6)
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IP27.O Contains the real PROM objects (make)
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IP27GATE.O Contains the gate-level simulation PROM objects (make gate)
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IP27SABLE.O Contains the Sable simulator PROM objects (make sable)
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IP27RTL.O Contains the RTL simulator PROM objects (make rtl)
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Todo List of things not to forget
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bist.[ch] Built-in self test module
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bist_hub.c Calls bist module with parameters for hub
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bist_router.c Calls bist module with parameters for router
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bist_router.txt Latest router BIST values from Bulent
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cache.[sh] Primary and secondary cache initialization and test routines
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cfg.h SN0net topology graph
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config SN0net configuration information for Sable
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discover.[ch] Recursive network topology discovery algorithm
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entry.s PROM entry point
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Does some testing and initialization and tries to jump
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to C as soon as possible. When it jumps to C, memory is
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still uninitialized, so the stack is running out of the
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cache. When running on the RTL simulator, cache testing,
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invalidation, and stack init are skipped.
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fprom.[ch] Flash PROM programming support (also generic read/write)
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hub.[ch] Generic hub routines, including lock and barrier
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hubint.[ch] Hub interrupt module (set/clear/test, plus test procedures)
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hubuart.[ch] Hub UART routines. This is not actually a UART per se.
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It's a debugging port for which Sable and RTL simulators
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have support. Also, there may be support for connectivity
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on the MD junk bus.
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io6entry.s Entry() for test "hello world" io6 prom to test segment loader
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io6prom.c Main() for test "hello world" io6 prom to test segment loader
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io6prom Binary for test io6 prom (make io6)
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ioc3uart.[ch] IOC3 ASIC UART routines -- the real console UART.
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ip27config.h Config structure used by HW and SW, at PROM offset 0x60
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ip27prom.h Main PROM header file
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sn0net.[ch] Routines to perform vector reads and writes (to the NI
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space of remote hubs and the local block of routers)
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libasm.[sh] Miscellaneous assembly blips. get_char uses lwl to read
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one character out of the PROM because all PROM reads
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must be double-word.
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main.c Main boot procedure, called from entry().
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mdir.[ch] Code for testing, initializing, and managing the MD
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(memory/directory) portion of the hub.
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mdir_asm.s Fast assembly support routines for mdir module
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mpsable.key Key file for running Sable multi-processor.
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Sable is picky and will dump if key file isn't perfect.
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nic.[ch] Code for reading the Dallas number-in-a-can
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Hopefully generalized sufficiently to work for hubs,
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routers, crossbows, etc. By Bob Marinelli.
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pod_main.c Main command prompt
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prom_leds.h State values and error values indicating progress on
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system LEDs. There are 8 discreet LEDs for CPU A and
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8 for CPU B (the system controller has 4 seven-segment
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LEDs and must be dealt with through IIC).
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refall Shell script to generate out_[0-3] from strace_[0-3].
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router.[ch] Code for dealing with remote routers
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Utilizes sn0net.c to talk to them.
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rtc.[sh] Assembly code for operations having to do with the
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real-time counter in the Hub. The counter speed is
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configurable, max 10 MHz. We'll probably fix it at
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10 MHz.
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sable.key KEy file for running Sable uni-processor.
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segldr.[ch] Segment loader module
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start.s Section linked at the start of PROM containing boot
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vectors and CPU mode bits
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tlb.[sh] TLB management routines
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unzip.[ch] Gzip decompressor module
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go Shell script for running UP Sable, redirects stderr since
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a lot of extraneous cache messages are cluttering it.
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gomp Shell script for running MP Sable
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sable.mp Last known good Sable for MP
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sable.ok Last known good Sable for UP
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syscuart.[ch] System controller UART routines
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testing.c Contains code to test various subsystems (fprom, mdir,
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sn0net). Right now it assumes Mike Woodacre's 4-node,
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2-router model. Each CPU checks what node it is and then
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does a different kind of test. The node IDs are
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hardwired to 0 through 3 in the model.
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zero_csum Perl script that stamps an ELF binary with a value so
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the byte checksum of the loadable portion will be zero.
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2. Makefile targets
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make
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Creates IP27.O/ip27-1MB-100MHZ,
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IP27.O/ip27prom-1MB-100MHZ.hex,
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IP27.O/ip27prom-1MB-100MHZ.nm
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Also may create other versions
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make sable
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Creates ./sableprom
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make rtl
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Creates ./rtlprom
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make gate
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Creates ./gateprom
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make io6
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Creates ./io6prom
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make ioprom.hub0
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Creates io6prom and makes ioprom.hub0 for Sable
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