liminix

Commit Graph

Author	SHA1	Message	Date
Daniel Barlow	61dc5beca8	preinit: parse rootfstype from kernel command line	2023-10-19 18:56:09 +01:00
Daniel Barlow	a7e7146887	preinit: disable nolibc - it stopped working with 22.11->23.05 - linking statically against musl is about 17k, so this is costing us 11k or so	2023-06-18 23:04:26 +01:00
Daniel Barlow	5dd0c6e3c0	rewrite preinit as very small C program By using the kernel "nolibc" header to avoid requiring a C library, we can bring the initramfs size to around 4k This does involve a tiny bit of inline mips assembly which I'm not sure about. gcc seems unwilling to generate the code to load $gp at function entry of main(), so we do it by hand - but I'd rather find out why gcc doesn't.	2023-04-15 18:27:39 +01:00

Author

SHA1

Message

Date

Daniel Barlow

61dc5beca8

preinit: parse rootfstype from kernel command line

2023-10-19 18:56:09 +01:00

Daniel Barlow

a7e7146887

preinit: disable nolibc

- it stopped working with 22.11->23.05
- linking statically against musl is about 17k, so
  this is costing us 11k or so

2023-06-18 23:04:26 +01:00

Daniel Barlow

5dd0c6e3c0

rewrite preinit as very small C program

By using the kernel "nolibc" header to avoid requiring a C library, we
can bring the initramfs size to around 4k

This does involve a tiny bit of inline mips assembly which I'm not
sure about. gcc seems unwilling to generate the code to load $gp at
function entry of main(), so we do it by hand - but I'd rather find
out why gcc doesn't.

2023-04-15 18:27:39 +01:00

3 Commits (main)