diff options
Diffstat (limited to 'translate_subx')
| -rwxr-xr-x | translate_subx | 55 |
1 files changed, 29 insertions, 26 deletions
diff --git a/translate_subx b/translate_subx index 6d08e971..cdf7b085 100755 --- a/translate_subx +++ b/translate_subx @@ -1,40 +1,43 @@ #!/bin/sh -# Translate given SubX files by running the self-hosted translator natively on -# Linux. +# Translate SubX files to a bootable disk image. +# +# A couple of gotchas: +# * Many phases here have no error-checking. Perhaps I should use a +# version of translate_subx_debug for baremetal. +# * Don't pass in numbered .subx files without translated .mu files. Our test +# harness is in test.mu, and only Mu programs can run tests in baremetal. +# +# The top level is in general not as rigorous about avoiding dependency cycles +# as the lower-level tools in linux/ set -e -./build - -cat $* |apps/braces > a.braces +cat $* |linux/braces > a.braces -cat a.braces |apps/calls > a.calls +cat a.braces |linux/calls > a.calls -cat a.calls |apps/sigils > a.sigils +cat a.calls |linux/sigils > a.sigils -cat a.sigils |apps/tests > a.tests +cat a.sigils |linux/tests > a.tests -cat a.tests |apps/assort > a.assort +# no assort since baremetal SubX doesn't have segments yet -cat a.assort |apps/dquotes > a.dquotes +cat a.tests |linux/dquotes > a.dquotes -# A little hack. We want translate_subx to always emit identical binaries to -# the C++ translator. The C++ translator assorts segments before it processes -# string literals, so we follow the same order above. -# -# However, dquotes currently emits a separate data segment for string literals. -# So we need to run assort a second time to clean up after it. -# -# Potential solutions: -# a) modify C++ translator to process string literals before assorting. -# b) clean up dquotes to assume assorted segments, and append to the -# existing data segment. -cat a.dquotes |apps/assort > a.assort2 +cat a.dquotes |linux/pack > a.pack -cat a.assort2 |apps/pack > a.pack +cat a.pack |linux/survey_baremetal > a.survey -cat a.pack |apps/survey_elf > a.survey +cat a.survey |linux/hex > a.bin -cat a.survey |apps/hex > a.elf +# Create disk.img containing baremetal/boot.hex and a.bin +dd if=/dev/zero of=disk.img count=20160 # 512-byte sectors, so 10MB +linux/hex < boot.hex > boot.bin +cat boot.bin a.bin > disk.bin +dd if=disk.bin of=disk.img conv=notrunc -chmod +x a.elf +if [ `stat --printf="%s" disk.bin` -ge 193536 ] # 6 tracks * 63 sectors per track * 512 bytes per sector (keep this sync'd with boot.hex) +then + echo "disk.bin won't all be loaded on boot" + exit 1 +fi |