Only use nvm on darwin - dotfiles

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author	David Morgan <djm_uk@protonmail.com>	2023-01-13 07:47:03 +0000
committer	David Morgan <djm_uk@protonmail.com>	2023-01-13 07:47:03 +0000
commit	f0f1ee1af0eb3968513e9ea904a59607c86478b6 (patch)
tree	fdc275e5cac228ad91030017f87fd98badba66ad /nix-conf
parent	92f56b3048c9879f5b7651412784870aecca1cf1 (diff)
download	dotfiles-f0f1ee1af0eb3968513e9ea904a59607c86478b6.tar.gz

Only use nvm on darwin

Diffstat (limited to 'nix-conf')

-rw-r--r--

nix-conf/home/includes/zsh.nix

1 files changed, 6 insertions, 2 deletions

#!/bin/sh # Translate a Mu program to a _minified_ bootable disk image. # # Hacky; only intended for some stats at the moment, even though all programs # I've run through it seem to continue to work. If there are no power-on unit # tests, I don't trust it. set -ev # Map of the Mu code disk export DISK=20160 # 20*16*63 512-byte sectors = almost 10MB dd if=/dev/zero of=code.img count=$DISK status=none # code: sectors 0-8999 # font: sectors 9000-10079 (1080 sectors = space enough for 16k glyphs (1080 * 512 / 34 bytes per glyph)) export FONT=9000 # keep this sync'd with boot.subx # debug: sector 10080 onwards export DEBUG=10080 ## Code cat $* [0-9]*.mu |linux/mu > a.subx cat boot.subx |grep -vh '^\s*$\|^\s*#' > a.boot.strip cat tools/mu-init-minify.subx [0-9]*.subx a.subx|grep -vh '^\s*$\|^\s*#' > a.strip # treeshake everything but boot.subx, which isn't quite standard SubX and # doesn't get parsed correctly by treeshake for some reason. cat a.strip |tools/treeshake > a.treeshake cat a.boot.strip a.treeshake |linux/braces > a.braces cat a.braces |linux/calls > a.calls cat a.calls |linux/sigils > a.sigils cat a.sigils |linux/tests > a.tests # no assort since baremetal SubX doesn't have segments yet cat a.tests |linux/dquotes > a.dquotes cat a.dquotes |linux/pack > a.pack cat a.pack |linux/survey_baremetal > labels cat a.pack |linux/labels_baremetal labels > a.survey cat a.survey |linux/hex > a.bin dd if=a.bin of=code.img conv=notrunc status=none if [ `stat --printf="%s" a.bin` -ge 492544 ] # 15 tracks * 63 sectors per track * 512 bytes per sector (keep this sync'd with boot.subx) then echo "a.bin won't all be loaded on boot" exit 1 fi if [ `stat --printf="%s" a.bin` -ge 492544 ] # 15 tracks * 63 sectors per track * 512 bytes per sector then echo "a.bin will overwrite BIOS/Video memory; you'll need to adjust boot.subx to load code to some other non-contiguous area of memory" exit 1 fi if [ `stat --printf="%s" a.bin` -ge $(($FONT*512)) ] then echo "a.bin will overwrite font in disk" exit 1 fi ## Latter half of disk is for debug info if [ `stat --printf="%s" labels` -ge 1048576 ] # 8 reads * 256 sectors * 512 bytes per sector then echo "labels won't all be loaded on abort" exit 1 fi if [ `wc -l < labels` -gt 20480 ] # 0x5000 stream capacity in abort.subx then echo "abort will go into infinite regress" exit 1 fi dd if=labels of=code.img seek=$DEBUG conv=notrunc status=none # keep this sync'd with abort.subx ## Font data at another well-defined location cat font.subx |sed 's,/[^ ]*,,' |linux/hex > a.font if [ `stat --printf="%s" a.font` -ge 262144 ] # 0x200 sectors * 512 bytes per sector (keep this sync'd with boot.subx) then echo "font won't all be loaded on boot" exit 1 fi if [ `stat --printf="%s" a.font` -ge 14680064 ] # 0x00e00000 = 0x00f00000 - 0x00100000 then echo "font is so large it overlaps the ISA memory hole; see https://wiki.osdev.org/Memory_Map_(x86)" exit 1 fi if [ `stat --printf="%s" a.font` -ge $(( ($DEBUG - $FONT) * 512 )) ] then echo "font will overwrite debug info in disk" exit 1 fi dd if=a.font of=code.img seek=$FONT conv=notrunc status=none


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