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Ayush Singh c1790b14bc
uefi: Implement path
UEFI paths can be of 4 types:
1. Absolute Shell Path: Uses shell mappings
2. Absolute Device Path: this is what we want
3: Relative root: path relative to the current root.
4: Relative

Absolute shell path can be identified with `:` and Absolute Device path
can be identified with `/`. Relative root path will start with `\`.

The algorithm is mostly taken from edk2 UEFI shell implementation and is
somewhat simple. Check for the path type in order.

For Absolute Shell path, use `EFI_SHELL->GetDevicePathFromMap` to
get a BorrowedDevicePath for the volume.

For Relative paths, we use the current working directory to construct
the new path.

BorrowedDevicePath abstraction is needed to interact with
`EFI_SHELL->GetDevicePathFromMap` which returns a Device Path Protocol
with the lifetime of UEFI shell.

Absolute Shell paths cannot exist if UEFI shell is missing.

Signed-off-by: Ayush Singh <ayush@beagleboard.org>
2025-01-16 10:19:22 +05:30
.github CI: fix name of jobs 2025-01-09 21:40:29 +01:00
compiler Auto merge of #135465 - jhpratt:rollup-7p93bct, r=jhpratt 2025-01-14 03:08:59 +00:00
library uefi: Implement path 2025-01-16 10:19:22 +05:30
LICENSES Synchronize Unicode license text from unicode.org 2024-11-20 00:54:12 -08:00
src Rollup merge of #135452 - jieyouxu:fix-comment, r=compiler-errors 2025-01-13 20:43:50 -05:00
tests Auto merge of #135465 - jhpratt:rollup-7p93bct, r=jhpratt 2025-01-14 03:08:59 +00:00
.clang-format Add .clang-format 2024-06-26 05:56:00 +08:00
.editorconfig Only use max_line_length = 100 for *.rs 2023-07-10 15:18:36 -07:00
.git-blame-ignore-revs Add rustfmt 2024 reformatting to git blame ignore 2024-09-23 10:02:04 +02:00
.gitattributes Revert "Stop git from merging generated files" 2024-12-12 07:20:11 +01:00
.gitignore only ignore {flake,default}.nix and {.envrc,.direnv/} in the root 2024-12-10 00:08:26 +01:00
.gitmodules Removed rustc-dev-guide as a submodule 2025-01-01 17:05:53 +01:00
.ignore Add .ignore file to make config.toml searchable in vscode 2024-06-24 10:15:16 +02:00
.mailmap Rollup merge of #134965 - Noratrieb:slightly-late-for-boxing-day-sadly-but-still-almost, r=BoxyUwU 2025-01-03 22:12:42 +01:00
Cargo.lock mir_build: check annotated functions w/out callers 2025-01-10 18:37:57 +00:00
Cargo.toml Bump Clippy version -> 0.1.86 2025-01-09 18:01:44 +01:00
CODE_OF_CONDUCT.md Remove the code of conduct; instead link https://www.rust-lang.org/conduct.html 2019-10-05 22:55:19 +02:00
config.example.toml add optimized-compiler-builtins to target specific section 2025-01-10 11:47:06 +03:00
configure Ensure ./configure works when configure.py path contains spaces 2024-02-16 18:57:22 +00:00
CONTRIBUTING.md fix: Update CONTRIBUTING.md recommend -> recommended 2023-11-16 23:57:09 +05:30
COPYRIGHT Synchronize Unicode license text from unicode.org 2024-11-20 00:54:12 -08:00
INSTALL.md add clarity for custom path installation 2024-10-06 07:37:00 -05:00
LICENSE-APACHE Remove appendix from LICENCE-APACHE 2019-12-30 14:25:53 +00:00
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LICENSE-MIT
README.md Grammar fixes 2024-12-09 17:17:27 -05:00
RELEASES.md Rollup merge of #135266 - kadiwa4:no_emsdk_update, r=Mark-Simulacrum 2025-01-12 09:14:11 +01:00
REUSE.toml collect-license-metadata: move JSON to root, and add a 'check' mode 2024-11-25 14:14:57 +00:00
rust-bors.toml Increase timeout for new bors bot 2024-03-13 08:31:07 +01:00
rustfmt.toml Use field init shorthand where possible 2024-12-17 14:33:10 -08:00
triagebot.toml auto label A-bootstrap-stamp 2025-01-12 08:43:34 +03:00
x fix(x): fix a regex used to find python executable 2024-11-06 16:40:02 +03:00
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x.py Reformat Python code with ruff 2024-12-04 23:03:44 +01:00

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