ARM: checkpoint from micro-tau
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parent
ede52eb1db
commit
9225d2d773
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@ -1,7 +1,8 @@
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ENTRY(_start)
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ENTRY(_kernel_start)
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SECTIONS
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SECTIONS
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{
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{
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. = 0x40080000;
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. = 0xffffffff80000000;
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.text.boot : { *(.text.boot) }
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.text.boot : { *(.text.boot) }
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.text : { *(.text) }
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.text : { *(.text) }
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.data : { *(.data) }
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.data : { *(.data) }
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@ -1,29 +1,32 @@
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//!
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use {core::arch::asm, limine::FramebufferRequest};
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// #[allow(deprecated)]
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// use limine::{TerminalRequest, TerminalResponse};
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pub const PAGE_SIZE: usize = 4096;
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#[no_mangle]
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#[no_mangle]
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#[allow(deprecated)]
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unsafe extern "C" fn _kernel_start() -> ! {
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unsafe extern "C" fn _kernel_start() -> ! {
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use limine::{Framebuffer, FramebufferRequest, NonNullPtr};
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static FB_REQ: FramebufferRequest = FramebufferRequest::new(0);
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static FB_REQ: FramebufferRequest = FramebufferRequest::new(0);
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let fb1: &NonNullPtr<Framebuffer> = &FB_REQ.get_response().get().unwrap().framebuffers()[0];
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let fb1 = &FB_REQ.get_response().get().unwrap().framebuffers()[0];
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for i in 0..100_usize {
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let offset = i * fb1.pitch as usize + i * 4;
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unsafe {
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unsafe {
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fb1.address.as_ptr().expect("REASON").write_volatile(0x00);
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*(fb1.address.as_ptr().unwrap().offset(offset as isize) as *mut u32) = 0xFFFFFFFF;
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}
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}
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}
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loop {}
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spin_loop();
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}
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pub fn spin_loop() -> ! {
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loop {
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unsafe { asm!("wfi") }
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}
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}
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pub fn hardware_random_u64() -> u64 {
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0
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}
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}
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pub fn log(_args: core::fmt::Arguments<'_>) -> core::fmt::Result {
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pub fn log(_args: core::fmt::Arguments<'_>) -> core::fmt::Result {
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panic!()
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panic!()
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}
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}
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pub fn spin_loop() -> ! {
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loop {}
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}
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pub fn hardware_random_u64() -> u64 {
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0
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}
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pub const PAGE_SIZE: usize = 10;
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@ -4,14 +4,14 @@ version = "0.2.0"
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edition = "2021"
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edition = "2021"
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[dependencies]
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[dependencies]
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cpio_reader = "0.1"
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cpio_reader = "0.1" # remove me
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derive_more = "0.99"
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derive_more = "0.99"
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env_logger = "0.10"
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env_logger = "0.10"
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error-stack = "0.2"
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error-stack = "0.2"
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fatfs = "0.3"
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fatfs = "0.3"
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log = "0.4"
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log = "0.4"
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rpm = "0.11"
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rpm = "0.11" # remove me
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zstd = "0.12"
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zstd = "0.12" # remove me
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[dependencies.reqwest]
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[dependencies.reqwest]
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version = "0.11"
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version = "0.11"
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@ -1,4 +1,4 @@
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${ABLEOS_KERNEL}=boot:///{$ARCH}/kernel
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${ABLEOS_KERNEL}=boot:///kernel
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# TODO: Make a boot background image for ableOS
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# TODO: Make a boot background image for ableOS
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DEFAULT_ENTRY=1
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DEFAULT_ENTRY=1
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@ -1,6 +1,6 @@
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use {
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use {
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derive_more::{Deref, DerefMut, Display},
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derive_more::Display,
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error_stack::{bail, ensure, report, Context, IntoReport, Result, ResultExt},
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error_stack::{bail, report, Context, IntoReport, Result, ResultExt},
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fatfs::{FileSystem, FormatVolumeOptions, FsOptions, ReadWriteSeek},
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fatfs::{FileSystem, FormatVolumeOptions, FsOptions, ReadWriteSeek},
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std::{
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std::{
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fmt::Display,
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fmt::Display,
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@ -31,12 +31,12 @@ fn main() -> Result<(), Error> {
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for arg in args {
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for arg in args {
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if arg == "-r" || arg == "--release" {
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if arg == "-r" || arg == "--release" {
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release = true;
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release = true;
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}
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} else if arg == "rv64" || arg == "riscv64" || arg == "riscv64-virt" {
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if arg == "rv64" || arg == "riscv64" || arg == "riscv64-virt" {
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target = Target::Riscv64Virt;
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target = Target::Riscv64Virt;
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}
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} else if arg == "aarch" || arg == "arm64" {
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if arg == "aarch" || arg == "arm64" {
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target = Target::Aarch64;
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target = Target::Aarch64;
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} else {
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return Err(report!(Error::InvalidSubCom));
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}
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}
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}
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}
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@ -48,12 +48,12 @@ fn main() -> Result<(), Error> {
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for arg in args {
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for arg in args {
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if arg == "-r" || arg == "--release" {
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if arg == "-r" || arg == "--release" {
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release = true;
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release = true;
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}
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} else if arg == "rv64" || arg == "riscv64" || arg == "riscv64-virt" {
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if arg == "rv64" || arg == "riscv64" || arg == "riscv64-virt" {
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target = Target::Riscv64Virt;
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target = Target::Riscv64Virt;
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}
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} else if arg == "aarch" || arg == "arm64" {
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if arg == "arm64" || arg == "aarch64" {
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target = Target::Aarch64;
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target = Target::Aarch64;
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} else {
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return Err(report!(Error::InvalidSubCom));
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}
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}
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}
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}
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@ -168,8 +168,8 @@ fn build(release: bool, target: Target) -> Result<(), Error> {
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_ => (),
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_ => (),
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}
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}
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if target != Target::X86_64 {
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if target != Target::Aarch64 {
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return Ok(());
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todo!()
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}
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}
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(|| -> std::io::Result<_> {
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(|| -> std::io::Result<_> {
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@ -216,8 +216,7 @@ fn run(release: bool, target: Target) -> Result<(), Error> {
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#[cfg(target_os = "linux")]
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#[cfg(target_os = "linux")]
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{
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{
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// com.args(["-enable-kvm", "-cpu", "host"]);
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//com.args(["-enable-kvm", "-cpu", "host"]);
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}
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}
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}
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}
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@ -237,19 +236,16 @@ fn run(release: bool, target: Target) -> Result<(), Error> {
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}
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}
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if target == Target::Aarch64 {
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if target == Target::Aarch64 {
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#[rustfmt::skip]
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com.args([
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com.args([
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"-bios",
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"-M", "virt",
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"AAVMF_CODE.fd",
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"-cpu", "cortex-a72",
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"-M",
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"-device", "ramfb",
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"virt",
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"-device", "qemu-xhci",
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"-device",
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"-device", "usb-kbd",
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"ramfb",
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"-m", "2G",
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"-m", //
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"-bios", "target/AARCH64_OVMF.fd",
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"128M",
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"-drive", "file=target/disk.img,format=raw",
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//
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"-drive",
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"file=target/disk.img,format=raw",
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// "-serial", "stdio",
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]);
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]);
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}
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}
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}
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}
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fn fetch_ovmf() -> Result<(), OvmfFetchError> {
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fn fetch_ovmf() -> Result<(), OvmfFetchError> {
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const OVMF_RPM_URL: &str = "https://kojipkgs.fedoraproject.org/packages/edk2/20230524/3.fc38/noarch/edk2-ovmf-20230524-3.fc38.noarch.rpm";
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const OVMF_AARCH64_URL: &str =
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"https://retrage.github.io/edk2-nightly/bin/RELEASEAARCH64_QEMU_EFI.fd";
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let mut file = match std::fs::metadata("target/OVMF_CODE.fd") {
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let mut file = match std::fs::metadata("target/AARCH64_OVMF.fd") {
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Err(e) if e.kind() == std::io::ErrorKind::NotFound => std::fs::OpenOptions::new()
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Err(e) if e.kind() == std::io::ErrorKind::NotFound => std::fs::OpenOptions::new()
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.create(true)
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.create(true)
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.write(true)
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.write(true)
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.read(true)
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.read(true)
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.open("target/OVMF_CODE.fd")
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.open("target/AARCH64_OVMF.fd")
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.into_report()
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.into_report()
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.change_context(OvmfFetchError::Io)?,
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.change_context(OvmfFetchError::Io)?,
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Ok(_) => return Ok(()),
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Ok(_) => return Ok(()),
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@ -279,64 +276,22 @@ fn fetch_ovmf() -> Result<(), OvmfFetchError> {
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};
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};
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log::info!("No OVMF found, downloading…");
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log::info!("No OVMF found, downloading…");
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let rpm = rpm::RPMPackage::parse(
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&mut std::convert::identity::<reqwest::Result<_>>((|| {
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reqwest::blocking::get(OVMF_RPM_URL)?.bytes()
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})())
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.into_report()
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.change_context(OvmfFetchError::Fetch)?
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.as_ref(),
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)
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.map_err(RpmError)
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.into_report()
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.change_context(OvmfFetchError::RpmParse)?;
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ensure!(
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let bytes = std::convert::identity((|| reqwest::blocking::get(OVMF_AARCH64_URL)?.bytes())())
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rpm.metadata
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.get_payload_compressor()
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.map_err(RpmError)
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.into_report()
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.into_report()
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.change_context(OvmfFetchError::RpmParse)?
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.change_context(OvmfFetchError::Fetch)?;
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== rpm::CompressionType::Zstd,
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OvmfFetchError::UnsupportedCompression,
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);
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file.write_all(
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file.write_all(&bytes)
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cpio_reader::iter_files(
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&zstd::decode_all(std::io::Cursor::new(rpm.content))
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.into_report()
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.change_context(OvmfFetchError::Zstd)?,
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)
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.find(|file| file.name() == "./usr/share/edk2/ovmf/OVMF_CODE.fd")
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.ok_or_else(|| report!(OvmfFetchError::NoFileFound))?
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.file(),
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)
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.into_report()
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.into_report()
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.change_context(OvmfFetchError::Io)?;
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.change_context(OvmfFetchError::Io)?;
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Ok(())
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Ok(())
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}
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}
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#[derive(Debug, Display, Deref, DerefMut)]
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struct RpmError(rpm::RPMError);
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impl Context for RpmError {}
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// Ehhh?? I am pretty sure they just forgot :ferrisClueless:
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unsafe impl Sync for RpmError {}
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unsafe impl Send for RpmError {}
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#[derive(Debug, Display)]
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#[derive(Debug, Display)]
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enum OvmfFetchError {
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enum OvmfFetchError {
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#[display(fmt = "Failed to fetch OVMF package")]
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#[display(fmt = "Failed to fetch OVMF package")]
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Fetch,
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Fetch,
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#[display(fmt = "RPM parse error")]
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RpmParse,
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#[display(fmt = "Unsupported compression (ZSTD is the only supported one)")]
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UnsupportedCompression,
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#[display(fmt = "Decompression error")]
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Zstd,
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#[display(fmt = "Requested file not found in package")]
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NoFileFound,
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#[display(fmt = "IO Error")]
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#[display(fmt = "IO Error")]
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Io,
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Io,
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}
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}
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