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+\ *****************************************************************************
+\ * Copyright (c) 2004, 2008 IBM Corporation
+\ * All rights reserved.
+\ * This program and the accompanying materials
+\ * are made available under the terms of the BSD License
+\ * which accompanies this distribution, and is available at
+\ * http://www.opensource.org/licenses/bsd-license.php
+\ *
+\ * Contributors:
+\ * IBM Corporation - initial implementation
+\ ****************************************************************************/
+
+\ The master file. Everything else is included into here.
+
+hex
+
+' ll-cr to cr
+
+\ as early as possible we want to know if it is js20, js21 or bimini
+\ u3 = js20; u4 = js21/bimini
+\ the difference if bimini or js21 will be done later depending if
+\ obsidian or citrine is found
+\ f8000000 is probably the place of the u3/u4 version
+f8000000 rl@ CONSTANT uni-n-version
+uni-n-version 4 rshift dup 3 = CONSTANT u3? 4 = CONSTANT u4?
+\ if (f4000682 >> 4) == 1... it is a bimini...
+f4000682 rb@ 4 rshift 1 = CONSTANT bimini?
+
+\ to decide wether vga initialisation using bios emulation should be attempted,
+\ we need to know wether a vga-device was found during pci-scan.
+\ If it is found, this value will be set to the device's phandle
+0 value vga-device-node?
+
+\ planar-id reads back GPIO 29 30 31 and returns it as one value
+\ if planar-id >= 5 it should be GA2 else it is GA1 (JS20 only)
+defer planar-id ( -- planar-id )
+
+: (planar-id) ( -- planar-id)
+ \ default implementation of planar-id just returns 8
+ \ the highest possible planar id for JS20 is 7
+ 8
+;
+
+' (planar-id) to planar-id
+
+#include "header.fs"
+
+\ I/O accesses.
+#include "io.fs"
+
+\ XXX: Enable first UART on JS20, scripts forget to do this. Sigh.
+3 7 siocfg! 1 30 siocfg!
+
+#include "serial.fs"
+
+cr
+
+#include "base.fs"
+
+\ Little-endian accesses. Also known as `wrong-endian'.
+#include <little-endian.fs>
+
+\ do not free-mem if address is not within the heap
+\ workaround for NVIDIA card
+: free-mem ( addr len -- )
+ over heap-start heap-end within IF
+ free-mem
+ ELSE
+ 2drop
+ THEN
+;
+
+: #join ( lo hi #bits -- x ) lshift or ;
+: #split ( x #bits -- lo hi ) 2dup rshift dup >r swap lshift xor r> ;
+
+: blink ;
+
+: reset-dual-emit ;
+
+: console-clean-fifo ;
+
+: bootmsg-nvupdate ;
+
+: asm-cout 2drop drop ;
+
+#include "logging.fs"
+
+: log-string 2drop ;
+
+#include "bootmsg.fs"
+
+000 cp
+
+\ disable the nvram logging until we know if we are
+\ running from ram/takeover/js20 or in normal mode on js21
+: (nvramlog-write-byte) drop ;
+' (nvramlog-write-byte) to nvramlog-write-byte
+
+#include "exception.fs"
+
+: mm-log-warning 2drop ;
+
+: write-mm-log ( data length type -- status )
+ 3drop 0
+;
+
+080 cp
+
+#include "rtc.fs"
+
+100 cp
+
+\ Input line editing.
+#include "accept.fs"
+
+120 cp
+
+#include "dump.fs"
+
+cistack ciregs >r1 ! \ kernel wants a stack :-)
+
+#include "romfs.fs"
+
+140 cp
+#include "flash.fs"
+
+\ 1 temp; 0 perm; let's default to temp
+1 VALUE flashside?
+
+\ claim the memory used by copy of the flash
+flash-header IF
+ romfs-base dup flash-image-size 0 claim drop
+THEN
+
+s" bootinfo" romfs-lookup drop c + l@ CONSTANT start-addr
+start-addr flash-addr <> CONSTANT takeover?
+
+takeover? u3? or 0= IF
+ \ we want nvram logging to work
+ ['] .nvramlog-write-byte to nvramlog-write-byte
+THEN
+
+160 cp
+
+u4? IF f8002100 rl@ 0= ELSE false THEN ?INCLUDE u4-mem.fs
+u3? IF
+ planar-id 5 >= IF
+ 40000 to nvram-size
+ ELSE
+ \ change nvram-size to 8000 for GA1 blades
+ 8000 to nvram-size
+ THEN
+THEN
+
+
+takeover? IF
+ \ potentially comming from phype
+ u4? IF
+ \ takeover on JS21 is using some nvram area
+ \ which might be available
+ \ on JS20 the nvram is too small and
+ \ we just overwrite the nvram
+ sec-nvram-base to nvram-base
+ THEN
+ sec-nvram-size to nvram-size
+ \ in takeover mode the nvram is probably not mapped
+ \ to the exact location where the nvram starts
+ \ doing a small check to see if we have a partition
+ \ starting with 70; this test is far from perfect but
+ \ takeover is not the most common mode of running slof
+ nvram-base rb@ 70 <> IF 0 nvram-base rb! THEN
+THEN
+
+200 cp
+
+#include <slof-logo.fs>
+#include <banner.fs>
+
+: .banner .slof-logo .banner ;
+
+\ Get the secondary CPUs into our own spinloop.
+f8000050 rl@ CONSTANT master-cpu
+\ cr .( The master cpu is #) master-cpu .
+
+VARIABLE cpu-mask
+: get-slave ( n -- online? )
+ 0 3ff8 ! 18 lshift 30000000 or 48003f02 over l! icbi 10000 0 DO LOOP 3ff8 @ ;
+: mark-online ( n -- ) 1 swap lshift cpu-mask @ or cpu-mask ! ;
+: get-slaves 40 0 DO i get-slave IF i mark-online THEN LOOP ;
+: cpu-report ( -- )
+ cpu-mask @ 40 0 DO dup 1 and IF ." #" i . THEN 1 rshift LOOP drop
+;
+
+220 cp
+master-cpu mark-online get-slaves
+
+DEFER disable-watchdog ( -- )
+DEFER find-boot-sector ( -- )
+
+
+240 cp
+\ Timebase frequency, in Hz.
+\ -1 VALUE tb-frequency
+d# 14318378 VALUE tb-frequency \ default value - needed for "ms" to work
+-1 VALUE cpu-frequency
+
+#include "helper.fs"
+260 cp
+
+#include <timebase.fs>
+
+270 cp
+
+#include <fcode/evaluator.fs>
+
+280 cp
+
+\ rtas-config is not used
+0 CONSTANT rtas-config
+
+#include "rtas.fs"
+290 cp
+s" update_flash.fs" included
+2a0 cp
+cpu-mask @ rtas-fetch-cpus drop
+
+: of-start-cpu rtas-start-cpu ;
+
+' power-off to halt
+' rtas-system-reboot to reboot
+
+: other-firmware rtas-get-flashside 0= IF 1 ELSE 0 THEN rtas-set-flashside reboot ;
+: disable-boot-watchdog rtas-stop-bootwatchdog drop ;
+' disable-boot-watchdog to disable-watchdog
+
+true value bmc?
+false value debug-boot?
+
+\ for JS21/Bimini try to detect BMC... if kcs (io @ca8) status is not ff...
+u4? IF ca8 4 + io-c@ ff = IF false to bmc? true to debug-boot? THEN THEN
+
+VARIABLE memnode
+
+\ Hook to help loading our secondary boot loader.
+DEFER disk-read ( lba cnt addr -- )
+0 VALUE disk-off
+
+create vpd-cb 24 allot
+create vpd-bootlist 4 allot
+2c0 cp
+#include "ipmi-vpd.fs"
+2e0 cp
+#include <quiesce.fs>
+300 cp
+#include <usb/usb-static.fs>
+320 cp
+#include <scsi-loader.fs>
+#include <root.fs>
+360 cp
+#include "tree.fs"
+
+: .system-information ( -- )
+ s" " type cr
+ s" SYSTEM INFORMATION" type cr
+ s" Processor = " type s" cpu" get-chosen IF
+ drop l@ >r pvr@ s" pvr>name" r> $call-method type
+ s" @ " type cpu-frequency d# 1000000 /
+ decimal . hex s" MHz" type
+ THEN cr s" I/O Bridge = " type u3? IF
+ s" U3" ELSE s" U4" THEN type
+ f8000000 rl@ 4 rshift s" (" type 1 0.r s" ." type
+ f8000000 rl@ f and 1 0.r s" )" type cr
+ s" SMP Size = " type cpu-mask @ cnt-bits 1 0.r
+ s" (" type cpu-report 8 emit s" )" type
+ cr s" Boot-Date = " type .date cr
+ s" Memory = " type s" memory" get-chosen IF
+ drop l@ s" mem-report" rot $call-method THEN
+ cr s" Board Type = " type u3? IF
+ s" JS20(GA" type planar-id 5 >= IF
+ s" 2)" ELSE s" 1)" THEN type
+ ELSE bimini? IF s" Bimini" ELSE s" JS21" THEN type THEN
+ s" (" type .vpd-machine-type [char] / emit
+ .vpd-machine-serial [char] / emit
+ .vpd-hw-revision 8 emit s" )" type cr
+ s" MFG Date = " type .vpd-manufacturer-date cr
+ s" Part No. = " type .vpd-part-number cr
+ s" FRU No. = " type .vpd-fru-number cr
+ s" FRU Serial = " type .vpd-cardprefix-serial .vpd-card-serial cr
+ s" UUID = " type .vpd-uuid cr
+ s" Flashside = " type rtas-get-flashside 0= IF
+ ." 0 (permanent)"
+ ELSE
+ ." 1 (temporary)" THEN cr
+ s" Version = " type
+ takeover? IF
+ romfs-base 38 + a type
+ ELSE
+ slof-build-id here swap rmove
+ here slof-build-id nip type cr
+ s" Build Date = " type bdate2human type
+ THEN
+ cr cr
+;
+
+800 cp
+
+#include "nvram.fs"
+takeover? not u4? and IF
+ \ if were are not in takeover mode the nvram should look
+ \ something like this:
+ \ type size name
+ \ ========================
+ \ 51 20000 ibm,CPU0log
+ \ 51 5000 ibm,CPU1log
+ \ 70 1000 common
+ \ 7f da000 <free-space>
+ \ the partition with the type 51 should have been added
+ \ by LLFW... if it does not exist then something went
+ \ wrong and we just destroy the whole thing
+ 51 get-nvram-partition IF 0 0 nvram-c! ELSE 2drop THEN
+THEN
+
+880 cp
+
+\ dmesg/dmesg2 not available if running in takeover/ram mode or on js20
+: dmesg ( -- ) u3? takeover? or 0= IF dmesg THEN ;
+: dmesg2 ( -- ) u3? takeover? or 0= IF dmesg2 THEN ;
+
+#include "envvar.fs"
+check-for-nvramrc
+
+8a0 cp
+\ The client interface.
+#include "client.fs"
+\ ELF binary file format.
+#include "elf.fs"
+#include <loaders.fs>
+
+8a8 cp
+
+\ check wether a VGA device was found during pci scan, if it was
+\ try to initialize it and create the needed device-nodes
+0 value biosemu-vmem
+100000 value biosemu-vmem-size
+0 value screen-info
+
+: init-vga-devices ( -- )
+ vga-device-node? 0= use-biosemu? 0= OR IF
+ EXIT
+ THEN
+ s" VGA Device found: " type vga-device-node? node>path type s" initializing..." type cr
+ \ claim virtual memory for biosemu of 1MB
+ biosemu-vmem-size 4 claim to biosemu-vmem
+ \ claim memory for screen-info struct (140 bytes)
+ d# 140 4 claim to screen-info
+ \ remember current-node (it might be node 0 so we cannot use get-node)
+ current-node @
+ \ change into vga device node
+ vga-device-node? set-node
+ \ run biosemu to initialize the vga card
+ \ s" Time before biosemu:" type .date cr
+ vga-device-node? node>path ( pathstr len )
+ s" biosemu " biosemu-vmem $cathex ( pathstr len paramstr len )
+ 20 char-cat \ add a space ( pathstr len paramstr len )
+ biosemu-vmem-size $cathex \ add VMEM Size ( pathstr len paramstr len )
+ 20 char-cat \ add a space ( pathstr len paramstr len )
+ 2swap $cat ( paramstr+path len )
+ biosemu-debug 0<> IF
+ 20 char-cat biosemu-debug $cathex \ add biosemu-debug as param
+ ( paramstr+path+biosemu-debug len )
+ THEN
+ .(client-exec) IF
+ ." biosemu client exec failed!" cr
+ set-node \ restore old current-node
+ EXIT
+ THEN
+ \ s" Time after biosemu:" type .date cr
+ s" VGA initialization: detecting displays..." type cr
+ \ try to get info for two monitors
+ 2 0 DO
+ \ setup screen-info struct as input to get_vbe_info
+ s" DDC" 0 char-cat screen-info swap move \ null-terminated "DDC" as signature
+ d# 140 screen-info 4 + w! \ reserved size in bytes (see claim above)
+ i screen-info 6 + c! \ monitor number
+ \ 320 screen-info 7 + w! \ max. screen width (800)
+ 500 screen-info 7 + w! \ max. screen width (1280)
+ \ following line would be the right thing to do, however environment seems not setup yet...
+ \ screen-#columns char-width * 500 min 280 max screen-info 7 + w! \ max. screen width, calculated from environment variable screen-#columns, but max. 1280, min. 640...
+ 8 screen-info 9 + c! \ requested color depth (8bpp)
+ \ d# 16 screen-info 9 + c! \ requested color depth (16bpp)
+ \ execute get_vbe_info from load-base
+ \ s" Time before client exec:" type .date cr
+ \ since node>path overwrites strings created with s"
+ \ we need to call it before assembling the parameter string
+ vga-device-node? node>path ( pathstr len )
+ s" get_vbe_info " biosemu-vmem $cathex ( pathstr len paramstr len )
+ 20 char-cat \ add a space ( pathstr len paramstr len )
+ biosemu-vmem-size $cathex \ add VMEM Size ( pathstr len paramstr len )
+ 20 char-cat \ add a space ( pathstr len paramstr len )
+ 2swap $cat ( paramstr+path len )
+ 20 char-cat
+ screen-info $cathex
+ .(client-exec) 0=
+ \ s" Time after client exec:" type .date cr
+ screen-info c@ 0<> AND IF
+ s" display " type i . s" found..." type
+ \ screen found
+ \ create device entry
+ get-node node>name \ get current nodes name (e.g. "vga") ( str len )
+ i \ put display-num on the stack ( str len displaynum )
+ new-device \ create new device
+ s" vga-display.fs" included
+ finish-device
+ s" created." type cr
+ THEN
+ LOOP
+ \ return to where we were before changing to vga device node
+ set-node
+ \ release the claimed memory
+ screen-info d# 140 release
+ biosemu-vmem biosemu-vmem-size release
+
+ s" VGA initialization done." type cr
+;
+
+init-vga-devices
+
+: enable-framebuffer-output ( -- )
+\ enable output on framebuffer
+ s" screen" find-alias ?dup IF
+ \ we need to open/close the screen device once
+ \ before "ticking" display-emit to emit
+ open-dev close-node
+ s" display-emit" $find IF
+ to emit
+ ELSE
+ 2drop
+ THEN
+ THEN
+;
+
+enable-framebuffer-output
+
+8b0 cp
+
+\ do not let the usb scan overwrite the atapi cdrom alias
+pci-cdrom-num TO cdrom-alias-num
+usb-scan
+
+: create-aliases ( -- )
+ s" net" s" net1" find-alias ?dup IF set-alias ELSE 2drop THEN
+ s" disk" s" disk0" find-alias ?dup IF set-alias ELSE 2drop THEN
+ s" cdrom" s" cdrom0" find-alias ?dup IF set-alias ELSE 2drop THEN
+;
+
+create-aliases
+
+8ff cp
+
+.system-information
+
+: directserial
+u3? IF
+ s" /ht/isa/serial@3f8" io
+ELSE
+ s" direct-serial?" evaluate IF s" /ht/isa/serial@2f8" io ELSE s" /ht/isa/serial@3f8" io THEN
+THEN
+;
+
+directserial
+
+\ on bimini we want to automatically enable screen and keyboard, if they are detected...
+bimini? IF
+ key? IF
+ cr ." input available on current console input device, not switching input / output." cr
+ ELSE
+ \ this enables the framebuffer as primary output device
+ s" screen" find-alias IF drop
+ s" screen" output
+ \ at this point serial output is theoretically disabled
+ ." screen detected and set as default output device" cr
+ THEN
+ \ enable USB keyboard
+ s" keyboard" find-alias IF drop
+ s" keyboard" input
+ \ at this point serial input is disabled
+ ." keyboard detected and set as default input device" cr cr cr
+ s" Press 's' to enter Open Firmware." type cr
+ 500 ms
+ THEN
+ THEN
+THEN
+
+: .flashside
+ cr ." The currently active flashside is: "
+ rtas-get-flashside 0= IF ." 0 (permanent)" ELSE
+ ." 1 (temporary)" THEN
+;
+
+bmc? IF disable-watchdog THEN
+
+: flashsave ( "{filename}" -- rc )
+ (parse-line) dup 0> IF
+ s" netsave " \ command
+ get-flash-base $cathex \ Flash base addr
+ s" 400000 " $cat \ Flash size (4MB)
+ 2swap $cat \ add parameters from (parse-line)
+ evaluate
+ ELSE
+ cr
+ ." Usage: flashsave [bootp|dhcp,]filename[,siaddr][,ciaddr][,giaddr][,bootp-retries][,tftp-retries][,use_ci]"
+ cr 2drop
+ THEN
+;
+
+#include <vpd-bootlist.fs>
+
+\ for the blades we read the bootlist from the VPD
+bimini? takeover? or 0= IF ['] vpd-boot-import to read-bootlist THEN
+
+\ for the bimini, we try to boot from disk, if it exists,
+\ only if "boot-device" is not set in the nvram
+: bimini-bootlist
+ \ check nvram
+ s" boot-device" evaluate swap drop ( boot-device-strlen )
+ 0= IF
+ \ no boot-device set in NVRAM, check if disk is available and set it...
+ \ clear boot-device list
+ 0 0 set-boot-device
+ s" disk" find-alias ?dup IF
+ \ alias found, use it as default
+ add-boot-device
+ THEN
+ THEN
+;
+
+bimini? IF ['] bimini-bootlist to read-bootlist THEN
+
+#include <start-up.fs>
+
+#include <boot.fs>
+
+cr .( Welcome to Open Firmware)
+cr
+#include "copyright-oss.fs"
+cr
+
+\ this CATCH is to ensure the code bellow always executes: boot may ABORT!
+' start-it CATCH drop
+
+#include <history.fs>
+nvram-history? [IF]
+." loading shell history .. "
+history-load
+." done" cr
+[THEN]
+
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