First commit
This commit is contained in:
commit
335b8de9b2
11 changed files with 386 additions and 0 deletions
10
.cargo/config.toml
Normal file
10
.cargo/config.toml
Normal file
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[build]
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target = "x86_64-matrix_os.json"
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[unstable]
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build-std = ["core", "compiler_builtins"]
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build-std-features = ["compiler-builtins-mem"]
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panic-abort-tests = true
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[target.'cfg(target_os = "none")']
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runner = "bootimage runner"
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1
.gitignore
vendored
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1
.gitignore
vendored
Normal file
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/target
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8
.idea/.gitignore
vendored
Normal file
8
.idea/.gitignore
vendored
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@ -0,0 +1,8 @@
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# Default ignored files
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/shelf/
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/workspace.xml
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# Editor-based HTTP Client requests
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/httpRequests/
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# Datasource local storage ignored files
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/dataSources/
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/dataSources.local.xml
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11
.idea/matrix_os_kernel.iml
Normal file
11
.idea/matrix_os_kernel.iml
Normal file
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@ -0,0 +1,11 @@
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<?xml version="1.0" encoding="UTF-8"?>
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<module type="EMPTY_MODULE" version="4">
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<component name="NewModuleRootManager">
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<content url="file://$MODULE_DIR$">
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<sourceFolder url="file://$MODULE_DIR$/src" isTestSource="false" />
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<excludeFolder url="file://$MODULE_DIR$/target" />
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</content>
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<orderEntry type="inheritedJdk" />
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<orderEntry type="sourceFolder" forTests="false" />
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</component>
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</module>
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8
.idea/modules.xml
Normal file
8
.idea/modules.xml
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@ -0,0 +1,8 @@
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<?xml version="1.0" encoding="UTF-8"?>
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<project version="4">
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<component name="ProjectModuleManager">
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<modules>
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<module fileurl="file://$PROJECT_DIR$/.idea/matrix_os_kernel.iml" filepath="$PROJECT_DIR$/.idea/matrix_os_kernel.iml" />
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</modules>
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</component>
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</project>
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6
.idea/vcs.xml
Normal file
6
.idea/vcs.xml
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<?xml version="1.0" encoding="UTF-8"?>
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<project version="4">
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<component name="VcsDirectoryMappings">
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<mapping directory="" vcs="Git" />
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</component>
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</project>
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102
Cargo.lock
generated
Normal file
102
Cargo.lock
generated
Normal file
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@ -0,0 +1,102 @@
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# This file is automatically @generated by Cargo.
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# It is not intended for manual editing.
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version = 4
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[[package]]
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name = "autocfg"
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version = "1.4.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "ace50bade8e6234aa140d9a2f552bbee1db4d353f69b8217bc503490fc1a9f26"
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[[package]]
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name = "bit_field"
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version = "0.10.2"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "dc827186963e592360843fb5ba4b973e145841266c1357f7180c43526f2e5b61"
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[[package]]
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name = "bitflags"
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version = "2.6.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "b048fb63fd8b5923fc5aa7b340d8e156aec7ec02f0c78fa8a6ddc2613f6f71de"
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[[package]]
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name = "bootloader"
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version = "0.9.29"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "365861702868e2a37b4247aaecc7bd8f4389baec8d025497ad8ba7ff37ee9440"
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[[package]]
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name = "lazy_static"
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version = "1.5.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "bbd2bcb4c963f2ddae06a2efc7e9f3591312473c50c6685e1f298068316e66fe"
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dependencies = [
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"spin",
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]
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[[package]]
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name = "lock_api"
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version = "0.4.12"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "07af8b9cdd281b7915f413fa73f29ebd5d55d0d3f0155584dade1ff18cea1b17"
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dependencies = [
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"autocfg",
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"scopeguard",
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]
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[[package]]
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name = "matrix_os_kernel"
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version = "0.1.0"
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dependencies = [
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"bootloader",
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"lazy_static",
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"spin",
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"volatile 0.2.7",
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"x86_64",
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]
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[[package]]
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name = "rustversion"
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version = "1.0.18"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "0e819f2bc632f285be6d7cd36e25940d45b2391dd6d9b939e79de557f7014248"
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[[package]]
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name = "scopeguard"
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version = "1.2.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "94143f37725109f92c262ed2cf5e59bce7498c01bcc1502d7b9afe439a4e9f49"
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[[package]]
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name = "spin"
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version = "0.9.8"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "6980e8d7511241f8acf4aebddbb1ff938df5eebe98691418c4468d0b72a96a67"
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dependencies = [
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"lock_api",
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]
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[[package]]
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name = "volatile"
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version = "0.2.7"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "f6b06ad3ed06fef1713569d547cdbdb439eafed76341820fb0e0344f29a41945"
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[[package]]
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name = "volatile"
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version = "0.4.6"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "442887c63f2c839b346c192d047a7c87e73d0689c9157b00b53dcc27dd5ea793"
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[[package]]
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name = "x86_64"
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version = "0.14.12"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "96cb6fd45bfeab6a5055c5bffdb08768bd0c069f1d946debe585bbb380a7c062"
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dependencies = [
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"bit_field",
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"bitflags",
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"rustversion",
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"volatile 0.4.6",
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]
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23
Cargo.toml
Normal file
23
Cargo.toml
Normal file
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[package]
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name = "matrix_os_kernel"
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version = "0.1.0"
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edition = "2021"
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[dependencies]
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bootloader = "0.9"
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lazy_static = { version = "1.5.0", features = ["spin_no_std"] }
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spin = "0.9.8"
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volatile = "0.2.6"
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x86_64 = "0.14.2"
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# the profile used for `cargo build`
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[profile.dev]
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panic = "abort" # disable stack unwinding on panic
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# the profile used for `cargo build --release`
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[profile.release]
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panic = "abort" # disable stack unwinding on panic
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[package.metadata.bootimage]
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test-args = ["-device", "isa-debug-exit,iobase=0xf4,iosize=0x04"]
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test-success-exit-code = 33
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57
src/main.rs
Normal file
57
src/main.rs
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#![no_std]
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#![no_main]
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#![feature(custom_test_frameworks)]
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#![test_runner(crate::test_runner)]
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#![reexport_test_harness_main = "test_main"]
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mod vga_buffer;
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use core::panic::PanicInfo;
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#[no_mangle]
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pub extern "C" fn _start() -> ! {
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#[cfg(test)]
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test_main();
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loop {}
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}
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#[panic_handler]
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fn panic(info: &PanicInfo) -> ! {
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println!("{}", info);
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loop {}
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}
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fn test_runner(tests: &[&dyn Fn()]) {
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println!("Running {} tests", tests.len());
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for test in tests {
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test();
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}
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/// new
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exit_qemu(QemuExitCode::Success);
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}
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#[test_case]
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fn trivial_assertion() {
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print!("trivial assertion... ");
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assert_eq!(1, 1);
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println!("[ok]");
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}
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#[derive(Debug, Clone, Copy, PartialEq, Eq)]
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#[repr(u32)]
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pub enum QemuExitCode {
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Success = 0x10,
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Failed = 0x11,
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}
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pub fn exit_qemu(exit_code: QemuExitCode) {
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use x86_64::instructions::port::Port;
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unsafe {
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let mut port = Port::new(0xf4);
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port.write(exit_code as u32);
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}
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}
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145
src/vga_buffer.rs
Normal file
145
src/vga_buffer.rs
Normal file
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#[allow(dead_code)]
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#[derive(Debug, Clone, Copy, PartialEq, Eq)]
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#[repr(u8)]
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pub enum Color {
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Black = 0,
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Blue = 1,
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Green = 2,
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Cyan = 3,
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Red = 4,
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Magenta = 5,
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Brown = 6,
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LightGray = 7,
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DarkGray = 8,
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LightBlue = 9,
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LightGreen = 10,
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LightCyan = 11,
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LightRed = 12,
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Pink = 13,
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Yellow = 14,
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White = 15,
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}
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#[derive(Debug, Clone, Copy, PartialEq, Eq)]
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#[repr(transparent)]
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struct ColorCode(u8);
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impl ColorCode {
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fn new(foreground: Color, background: Color) -> ColorCode {
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ColorCode((background as u8) << 4 | (foreground as u8))
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}
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}
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#[derive(Debug, Clone, Copy, PartialEq, Eq)]
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#[repr(C)]
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struct ScreenChar {
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ascii_character: u8,
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color_code: ColorCode,
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}
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const BUFFER_HEIGHT: usize = 25;
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const BUFFER_WIDTH: usize = 80;
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use volatile::Volatile;
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struct Buffer {
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chars: [[Volatile<ScreenChar>; BUFFER_WIDTH]; BUFFER_HEIGHT],
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}
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pub struct Writer {
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column_position: usize,
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color_code: ColorCode,
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buffer: &'static mut Buffer,
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}
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impl Writer {
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pub fn write_byte(&mut self, byte: u8) {
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match byte {
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b'\n' => self.new_line(),
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byte => {
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if self.column_position >= BUFFER_WIDTH {
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self.new_line();
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}
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let row = BUFFER_HEIGHT - 1;
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let col = self.column_position;
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let color_code = self.color_code;
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self.buffer.chars[row][col].write(ScreenChar {
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ascii_character: byte,
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color_code,
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});
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self.column_position += 1;
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}
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}
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}
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pub fn write_string(&mut self, s: &str) {
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for byte in s.bytes() {
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match byte {
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// printable ASCII byte or newline
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0x20..=0x7e | b'\n' => self.write_byte(byte),
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// not part of printable ASCII range
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_ => self.write_byte(0xfe),
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}
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}
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}
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fn new_line(&mut self) {
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for row in 1..BUFFER_HEIGHT {
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for col in 0..BUFFER_WIDTH {
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let character = self.buffer.chars[row][col].read();
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self.buffer.chars[row - 1][col].write(character);
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}
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}
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self.clear_row(BUFFER_HEIGHT - 1);
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self.column_position = 0;
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}
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fn clear_row(&mut self, row: usize) {
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let blank = ScreenChar {
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ascii_character: b' ',
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color_code: self.color_code,
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};
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for col in 0..BUFFER_WIDTH {
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self.buffer.chars[row][col].write(blank);
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}
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}
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}
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use core::fmt;
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use lazy_static::lazy_static;
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use spin::mutex::Mutex;
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impl fmt::Write for Writer {
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fn write_str(&mut self, s: &str) -> fmt::Result {
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self.write_string(s);
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Ok(())
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}
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}
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lazy_static! {
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pub static ref WRITER: Mutex<Writer> = Mutex::new(Writer {
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column_position: 0,
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color_code: ColorCode::new(Color::Yellow, Color::Black),
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buffer: unsafe { &mut *(0xb8000 as *mut Buffer) },
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});
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}
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#[macro_export]
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macro_rules! print {
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($($arg:tt)*) => ($crate::vga_buffer::_print(format_args!($($arg)*)));
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}
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#[macro_export]
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macro_rules! println {
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() => ($crate::print!("\n"));
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($($arg:tt)*) => ($crate::print!("{}\n", format_args!($($arg)*)));
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}
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#[doc(hidden)]
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pub fn _print(args: fmt::Arguments) {
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use core::fmt::Write;
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WRITER.lock().write_fmt(args).unwrap();
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}
|
15
x86_64-matrix_os.json
Normal file
15
x86_64-matrix_os.json
Normal file
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|||
{
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||||
"llvm-target": "x86_64-unknown-none",
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"data-layout": "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-i128:128-f80:128-n8:16:32:64-S128",
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"arch": "x86_64",
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"target-endian": "little",
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"target-pointer-width": "64",
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"target-c-int-width": "32",
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"os": "none",
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"executables": true,
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"linker-flavor": "ld.lld",
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"linker": "rust-lld",
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"panic-strategy": "abort",
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"disable-redzone": true,
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||||
"features": "-mmx,-sse,+soft-float"
|
||||
}
|
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