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* edition: Update kernel_cmdline and kernel_loader to 2018 editionDavid Tolnay2019-04-08
| | | | | | | | | | | | | | | | | | Separated out of CL:1513058 to make it possible to land parts individually while the affected crate has no other significant CLs pending. This avoids repeatedly introducing non-textual conflicts with new code that adds `use` statements. TEST=cargo check TEST=cargo check --all-features TEST=cargo check --target aarch64-unknown-linux-gnu Change-Id: I4f6c91c966afc96fad634e355553ab90fc305261 Reviewed-on: https://chromium-review.googlesource.com/1519698 Commit-Ready: ChromeOS CL Exonerator Bot <chromiumos-cl-exonerator@appspot.gserviceaccount.com> Tested-by: David Tolnay <dtolnay@chromium.org> Tested-by: kokoro <noreply+kokoro@google.com> Reviewed-by: David Tolnay <dtolnay@chromium.org>
* error: Consistently use Display instead of error description()David Tolnay2019-03-02
| | | | | | | | | | | | | | | | The description method is deprecated and its signature forces less helpful error messages than what Display can provide. BUG=none TEST=cargo check --all-features TEST=cargo check --target aarch64-unknown-linux-gnu Change-Id: I27fc99d59d0ef457c5273dc53e4c563ef439c2c0 Reviewed-on: https://chromium-review.googlesource.com/1497735 Commit-Ready: David Tolnay <dtolnay@chromium.org> Tested-by: David Tolnay <dtolnay@chromium.org> Tested-by: kokoro <noreply+kokoro@google.com> Reviewed-by: Dylan Reid <dgreid@chromium.org>
* crosvm: x86_64 guest support for android device-treeTristan Muntsinger2019-01-28
| | | | | | | | | | | | | | | | This device tree is derived from the Android fstab file which is provided via command line flag. BUG=chromium:922737 TEST=None CQ-DEPEND=CL:1415390 CQ-DEPEND=CL:1415270 Change-Id: Idd007c844f84cab3ff37be16a718f14e5f630312 Reviewed-on: https://chromium-review.googlesource.com/1370058 Commit-Ready: Daniel Verkamp <dverkamp@chromium.org> Tested-by: kokoro <noreply+kokoro@google.com> Reviewed-by: Dylan Reid <dgreid@chromium.org>
* kernel_loader: fix ELF Phdr p_type comparisonDaniel Verkamp2019-01-16
| | | | | | | | | | | | | The program header p_type field is an enumerated value, not a bitfield. BUG=None TEST=Boot a kernel Change-Id: I5327cc8de9d8401a74c86fd4f3deab9f390c0924 Signed-off-by: Daniel Verkamp <dverkamp@chromium.org> Reviewed-on: https://chromium-review.googlesource.com/1412835 Tested-by: kokoro <noreply+kokoro@google.com> Reviewed-by: Dylan Reid <dgreid@chromium.org>
* memory: Add methods to return error on short writes and readsDavid Tolnay2019-01-13
| | | | | | | | | | | | | | | | | | | | Add GuestMemory::write_all_at_addr, GuestMemory::read_exact_at_addr which return error if the entire write or read cannot be completed. Also rename write_slice_at_addr to write_at_addr, read_slice_at_addr to read_at_addr to make the entire set of four methods consistent in naming with the methods of std::io::Write and std::io::Read. Context: https://chromium-review.googlesource.com/c/chromiumos/platform/crosvm/+/1387624/16/devices/src/virtio/tpm.rs#75 TEST=cargo test Change-Id: Ia0775b75281ccf8030c84b41f9018a511204b8c9 Reviewed-on: https://chromium-review.googlesource.com/1407156 Commit-Ready: David Tolnay <dtolnay@chromium.org> Tested-by: David Tolnay <dtolnay@chromium.org> Reviewed-by: Dylan Reid <dgreid@chromium.org>
* lint: Resolve the easier clippy lintsDavid Tolnay2018-12-03
| | | | | | | | | | | | | | | | | | | | Hopefully the changes are self-explanatory and uncontroversial. This eliminates much of the noise from `cargo clippy` and, for my purposes, gives me a reasonable way to use it as a tool when writing and reviewing code. Here is the Clippy invocation I was using: cargo +nightly clippy -- -W clippy::correctness -A renamed_and_removed_lints -Aclippy::{blacklisted_name,borrowed_box,cast_lossless,cast_ptr_alignment,enum_variant_names,identity_op,if_same_then_else,mut_from_ref,needless_pass_by_value,new_without_default,new_without_default_derive,or_fun_call,ptr_arg,should_implement_trait,single_match,too_many_arguments,trivially_copy_pass_by_ref,unreadable_literal,unsafe_vector_initialization,useless_transmute} TEST=cargo check --features wl-dmabuf,gpu,usb-emulation TEST=boot linux Change-Id: I55eb1b4a72beb2f762480e3333a921909314a0a2 Reviewed-on: https://chromium-review.googlesource.com/1356911 Commit-Ready: David Tolnay <dtolnay@chromium.org> Tested-by: David Tolnay <dtolnay@chromium.org> Reviewed-by: Dylan Reid <dgreid@chromium.org>
* cargo fmt all source codeZach Reizner2018-10-09
| | | | | | | | | | | | | | Now that cargo fmt has landed, run it over everything at once to bring rust source to the standard formatting. TEST=cargo test BUG=None Change-Id: Ic95a48725e5a40dcbd33ba6d5aef2bd01e91865b Reviewed-on: https://chromium-review.googlesource.com/1259287 Commit-Ready: ChromeOS CL Exonerator Bot <chromiumos-cl-exonerator@appspot.gserviceaccount.com> Tested-by: Zach Reizner <zachr@chromium.org> Reviewed-by: Zach Reizner <zachr@chromium.org>
* kernel_loader: implement error traitSonny Rao2018-02-27
| | | | | | | | | | | | | | | This implements the error trait so we can get more useful error information back on failures. BUG=chromium:797868 TEST=./build_test passes on all architectures TEST=crosvm runs on caroline Change-Id: I888cbe6fca8bc3885eeb4ff747f7b9dc51e0b587 Reviewed-on: https://chromium-review.googlesource.com/938311 Commit-Ready: Sonny Rao <sonnyrao@chromium.org> Tested-by: Sonny Rao <sonnyrao@chromium.org> Reviewed-by: Sonny Rao <sonnyrao@chromium.org>
* crosvm: change GuestAddress to always be a u64Sonny Rao2018-02-01
| | | | | | | | | | | | | | | We want to be able to run 64-bit ARM kernels using a 32-bit version of crosvm, to make it more consistent use a u64 to represent GuestAddress. BUG=chromium:797868 TEST=./build_test passes on all architectures TEST=crosvm runs on caroline Change-Id: I43bf993592caf46891e3e5e05258ab70b6bf3045 Signed-off-by: Sonny Rao <sonnyrao@chromium.org> Reviewed-on: https://chromium-review.googlesource.com/896398 Reviewed-by: Dylan Reid <dgreid@chromium.org>
* kernel_loader: Fix clippy warnings.Dylan Reid2017-06-30
| | | | | | | | | | | | Should use &<vec> instead of <vec>.iter() in a for loop. cmdline returns a size that can't be negative. Change-Id: I5f0ee3584d8890ac26feaadb99360b2d23f67d70 Signed-off-by: Dylan Reid <dgreid@chromium.org> Reviewed-on: https://chromium-review.googlesource.com/515604 Commit-Ready: Zach Reizner <zachr@chromium.org> Tested-by: Zach Reizner <zachr@chromium.org> Reviewed-by: Zach Reizner <zachr@chromium.org>
* sys_util: Add guest_memoryDylan Reid2017-05-25
| | | | | | | | | | | | | | Add a module for accessing guest memory. This module will replace all the slices that are used to access it currently as those slices aren't valid because the memory is volatile and a volatile slice doesn't exist in rust. Modify the existing users so they no longer depend on the deprecated slice access. Change-Id: Ic0e86dacf66f68bd88ed9cc197cb14e45ada891d Signed-off-by: Dylan Reid <dgreid@chromium.org> Reviewed-on: https://chromium-review.googlesource.com/509919
* kernel_loader: Add loading of 64 bit elf x86 vmlinuxDylan Reid2017-05-17
Change-Id: I2db4beb983e302216949e5de8b250932aa4810b8 Reviewed-on: https://chromium-review.googlesource.com/485019 Commit-Ready: Zach Reizner <zachr@chromium.org> Tested-by: Zach Reizner <zachr@chromium.org> Tested-by: Dylan Reid <dgreid@chromium.org> Reviewed-by: Zach Reizner <zachr@chromium.org>
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