Commit Graph

11 Commits

Author SHA1 Message Date
Dan Kegel 9c3f9537be os: add stubs for Readlink and File.Seek for baremetal targets, with smoke test.
Test currently enabled on pybadge (chosen at random)

TODO:
- enable test on arduino; currently fails with "interp: ptrtoint integer size..." (#2389)
- enable test on nintendoswitch; currently fails with many missing definitions (#2530)
2022-01-21 07:39:47 +01:00
Dan Kegel 998f01608c os: implement file.Seek, add smoke test 2022-01-11 14:23:14 +01:00
Dan Kegel 6b0f2cd697 os: TempDir(): obey TMPDIR on unix, TMP on win, etc
Uses upstream go code, lightly adjusted.

Adds smoke test.
2021-11-30 00:10:09 +01:00
Dan Kegel f79f6b0e62 os, syscall: implement ReadAt for unix
Windows will take more work, so test is skipped there.
2021-11-29 20:13:29 +01:00
Ayke van Laethem 718746dd21 os: stub out support for some more features
This is necessary for the following:

  - to make sure os/exec can be imported
  - to make sure internal/testenv can be imported

The internal/testenv package (which imports os/exec) is used by a lot of
tests. By adding support for it, more tests can be run.

This commit adds a bunch of new packages that now pass all tests.
2021-11-26 08:05:35 +01:00
Takeshi Yoneda 1406453350 WASI & darwin: support basic file io based on libc
Signed-off-by: Takeshi Yoneda <takeshi@tetrate.io>
2021-03-28 12:37:15 +02:00
Ayke van Laethem 6bcb40fe01 os: implement virtual filesystem support
This allows applications to mount filesystems in the os package. This is
useful for mounting external flash filesystems, for example.
2020-05-13 08:08:57 +02:00
Ayke van Laethem 54169c714f all: use baremetal build tag
This simplifies adding more baremetal targets, like a GameBoy Advance,
or baremetal x86 for unikernels.
2019-08-04 17:12:07 +02:00
Justin Clift 847681457f runtime: add several os package stubs 2019-07-15 01:18:37 +02:00
Ayke van Laethem ffa38b183b all: add HiFive1 rev B board with RISC-V architecture
This page has been a big help in adding support for this new chip:
https://wiki.osdev.org/HiFive-1_Bare_Bones
2019-07-07 14:03:24 +02:00
Ayke van Laethem a2d0f79be3 all: pretend to be linux/arm in baremetal targets
So far, we've pretended to be js/wasm in baremetal targets to make the
stdlib happy. Unfortunately, this has various problems because
syscall/js (a dependency of many stdlib packages) thinks it can do JS
calls, and emulating them gets quite hard with all changes to the
syscall/js packages in Go 1.12.

This commit does a few things:
  * It lets baremetal targets pretend to be linux/arm instead of
    js/wasm.
  * It lets the loader only select particular packages from the src
    overlay, instead of inserting them just before GOROOT. This makes it
    possible to pick which packages to overlay for a given target.
  * It adds a baremetal-only syscall package that stubs out almost all
    syscalls.
2019-03-23 22:58:26 +01:00