diff options
107 files changed, 85 insertions, 12 deletions
@@ -1,3 +1,4 @@ img.tar disk.img simh.zip +pdp11 diff --git a/Containerfile b/Containerfile index fa16c73..9303688 100644 --- a/Containerfile +++ b/Containerfile @@ -10,7 +10,8 @@ RUN apk add \ libpcap-dev \ libpng-dev \ sdl2-dev \ - pcre-dev + pcre-dev \ + pcre-static COPY simh.zip /opt/ @@ -18,7 +19,7 @@ RUN mkdir -p /opt/simh WORKDIR /opt/simh RUN bsdtar --strip-components=1 -xzvf /opt/simh.zip # RUN make pdp11 -RUN make CFLAGS_G='-march=i386' pdp11 -j$(nproc) +RUN make CFLAGS_G='-march=i386 -static -no-pie -s -O2' pdp11 -j$(nproc) RUN cp BIN/pdp11 /usr/bin/pdp11 RUN mkdir /opt/unixv4 @@ -33,12 +34,20 @@ RUN apk del \ libedit-dev \ libpcap-dev \ libpng-dev \ + libedit \ + libpcap \ + libpng \ + sdl2 \ + pcre \ sdl2-dev \ - pcre-dev + pcre-dev \ + apk-tools \ + alpine-keys \ + pcre-static + -RUN rm -rf /var/cache/apk /opt/simh /opt/simh.zip -RUN apk add pcre sdl2 +RUN rm -rf /var/cache/apk /opt/simh /opt/simh.zip COPY entrypoint.sh /bin/ @@ -6,6 +6,14 @@ sudo=sudo docker=docker [ -n "$(command -v podman)" ] && [ -x "$(command -v podman)" ] && docker=podman +bin_only=false +no_plat=false +while [ $# -gt 0 ] ; do case $1 in + -bin-only) bin_only=true ; shift ;; + -no-platform) no_plat=true ; shift ;; + *) echo "bad arg: '$1'" ; exit 2 ;; +esac ; done + simh_url="https://github.com/simh/simh/archive/master.zip" simh_archive="./simh.zip" if ! [ -e "$simh_archive" ] ; then @@ -16,12 +24,12 @@ $docker build --platform=i386 -t unixv4 . $docker run --name unixv4emulator --entrypoint=/bin/true --replace unixv4 $docker export unixv4emulator > img.tar $docker container rm unixv4emulator -truncate -s 50M disk.img +tar --strip-components 2 -xf img.tar usr/bin/pdp11 +$bin_only && exit 0 +truncate -s 12M disk.img $sudo kpartx -av disk.img $sudo mkfs.ext2 /dev/loop0 $sudo mount /dev/loop0 /mnt $sudo tar -C /mnt -xpvf img.tar $sudo umount /mnt $sudo kpartx -dv disk.img - - diff --git a/disk.rk.1 b/disk.rk.1 Binary files differdeleted file mode 100644 index 9515630..0000000 --- a/disk.rk.1 +++ /dev/null diff --git a/jslinux-2019-12-21/root-x86.bin b/jslinux-2019-12-21/root-x86.bin Binary files differindex a483489..027a49c 100644 --- a/jslinux-2019-12-21/root-x86.bin +++ b/jslinux-2019-12-21/root-x86.bin diff --git a/jslinux-2019-12-21/root-x86/blk.txt b/jslinux-2019-12-21/root-x86/blk.txt index 65791bb..096ffc7 100644 --- a/jslinux-2019-12-21/root-x86/blk.txt +++ b/jslinux-2019-12-21/root-x86/blk.txt @@ -1,4 +1,4 @@ { - block_size: 2048, - n_block: 25, + block_size: 4096, + n_block: 3, } diff --git a/jslinux-2019-12-21/root-x86/blk000000000.bin b/jslinux-2019-12-21/root-x86/blk000000000.bin Binary files differindex c71e322..77ad686 100644 --- a/jslinux-2019-12-21/root-x86/blk000000000.bin +++ b/jslinux-2019-12-21/root-x86/blk000000000.bin diff --git a/jslinux-2019-12-21/root-x86/blk000000001.bin b/jslinux-2019-12-21/root-x86/blk000000001.bin Binary files differindex ac5b9eb..847b486 100644 --- a/jslinux-2019-12-21/root-x86/blk000000001.bin +++ b/jslinux-2019-12-21/root-x86/blk000000001.bin diff --git a/jslinux-2019-12-21/root-x86/blk000000002.bin b/jslinux-2019-12-21/root-x86/blk000000002.bin Binary files differindex 32d1f73..54fe8f4 100644 --- a/jslinux-2019-12-21/root-x86/blk000000002.bin +++ b/jslinux-2019-12-21/root-x86/blk000000002.bin diff --git a/jslinux-2019-12-21/root-x86/blk000000003.bin 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a/jslinux-2019-12-21/root-x86/blk000000099.bin b/jslinux-2019-12-21/root-x86/blk000000099.bin Binary files differdeleted file mode 100644 index 8dd9b32..0000000 --- a/jslinux-2019-12-21/root-x86/blk000000099.bin +++ /dev/null @@ -5,5 +5,60 @@ Which itself is dumped from: https://archive.org/details/utah_unix_v4_raw Also includes jslinux for running the image from a browser. -This a hacky and messy repo put together in just a few hours to let people -play around with Unix v4 in their web browser. +This a bit hacky repo put together a few hours to let people play around with +Unix v4 in their web browser. + +## Building it yourself: + +podman or docker on Linux x86 or amd64 is ideal. + +``` +$ sh ./build.sh +``` + +This will: + + * Pull down simh from github + * create an alpine linux container, build simh, and strip down the deps + * export the container to a tarball + * create a disk image and setup a filesystem on a loopback device ( requires + `kpartx` ) + +From there to load the disk image into the jslinux emulator you will need +the `splitimg` utility, a binary is checked in if you're on a recent Linux +machine, or compile it from the incuded sources: + +``` +$ cd jslinux-2019-12-21/ +$ cp ../disk.img ./ +$ ./splitimg root-x86.bin root-x86 4096 +``` + +The `jslinux-2019-12-21` directory can then be copied to any plain HTTP server. + +## Running UnixV4 locally + +The `build.sh` script dumps out a statically linked `pdp11` simulator from +the tarball, it should work on most x86 Linux machines, if you don't wish +to build the image simply run the build script with the `-bin-only` flag, +i.e. + +``` +$ ./build.sh -bin-only +``` + +From there you can run the `pdp11` binary from the local directory: + +``` +$ ./pdp11 boot.ini +``` + + +### Building simh on other architectures + +Removing the `--platform` flag from the `build.sh` and `-march=i386` +from the `Containerfile` should suffice assuming there's an upstream +Alpine Linux container for your architecture. + +Note, this will not work with JSLinux. Though, you could in theory +build for riscv and tweak the html to load that emulator instead. |