Test

.github/workflows/build.yml

@@ -1,31 +1,5 @@
 on: [push]
 jobs:
-    test:
-        # Make sure that everything works on the newest Ubuntu.
-        runs-on: ubuntu-24.04
-        steps:
-            - uses: actions/checkout@v4
-            - name: Install Rust
-              uses: dtolnay/rust-toolchain@nightly
-            - name: Cache Cargo
-              uses: Swatinem/rust-cache@v2
-              with:
-                shared-key: cargo-${{ hashFiles('**/Cargo.lock') }}
-                cache-all-crates: true
-                cache-on-failure: true
-            - name: Install qemu
-              run: sudo apt-get update && sudo apt-get install -y --no-install-recommends qemu-system-x86
-            - name: Enable KVM group perms
-              run: |
-                echo 'KERNEL=="kvm", GROUP="kvm", MODE="0666", OPTIONS+="static_node=kvm"' | sudo tee /etc/udev/rules.d/99-kvm4all.rules
-                sudo udevadm control --reload-rules
-                sudo udevadm trigger --name-match=kvm
-                # https://github.blog/changelog/2023-02-23-hardware-accelerated-android-virtualization-on-actions-windows-and-linux-larger-hosted-runners/
-            - name: Run tests
-              uses: clechasseur/rs-cargo@v2
-              with:
-                command: test
-                args: --package tests
     build:
         # Applications linked against glibc only work on that version of glibc
         # (or newer ones), so this is effectively the oldest version the release
@@ -35,7 +9,6 @@ jobs:
         # but Ubuntu 20.04 has OpenSSL 1.1 which newer ones don't have, so we need
         # to go with at least 22.04.
         runs-on: ubuntu-22.04
-        needs: test
         steps:
             - uses: actions/checkout@v4
             - name: Install Rust
@@ -98,7 +71,6 @@ jobs:
       # Downloading them requires logging in with an Apple ID,
       # which is not possible in the CI. The macOS runners include it.
       runs-on: macos-latest
-      needs: test
       steps:
           - uses: actions/checkout@v4
           - name: Install Rust for x86_64-apple and aarch64-apple

towboot/src/boot/config_tables.rs

@@ -4,7 +4,7 @@ use alloc::collections::BTreeSet;
 use alloc::slice;
 use alloc::vec::Vec;
 
-use log::{debug, warn};
+use log::{debug, info, warn};
 use multiboot12::information::InfoBuilder;
 use acpi::rsdp::Rsdp;
 use smbioslib::{SMBiosEntryPoint32, SMBiosEntryPoint64};
@@ -39,43 +39,71 @@ pub(super) fn parse_for_multiboot(info_builder: &mut InfoBuilder) {
 
         handled_guids.insert(table.guid);
         match table.guid {
-            ACPI_GUID => handle_acpi(&table, info_builder),
-            ACPI2_GUID => handle_acpi(&table, info_builder),
-            DEBUG_IMAGE_INFO_GUID => debug!("ignoring image debug info"),
-            DXE_SERVICES_GUID => debug!("ignoring dxe services table"),
-            HAND_OFF_BLOCK_LIST_GUID => debug!("ignoring hand-off block list"),
-            LZMA_COMPRESS_GUID => debug!("ignoring lzma filesystem"),
-            MEMORY_STATUS_CODE_RECORD_GUID => debug!("ignoring early memory info"),
-            MEMORY_TYPE_INFORMATION_GUID => debug!("ignoring early memory info"),
-            SMBIOS_GUID => handle_smbios(&table, info_builder),
-            SMBIOS3_GUID => handle_smbios(&table, info_builder),
-            guid => debug!("ignoring table {guid}"),
+            ACPI_GUID => {
+                info!("ACPI {}", table.guid);
+                handle_acpi(&table, info_builder)
+            },
+            ACPI2_GUID => {
+                info!("ACPIv2 {}", table.guid);
+                handle_acpi2(&table, info_builder)
+            },
+            DEBUG_IMAGE_INFO_GUID => info!("ignoring image debug info {}", table.guid),
+            DXE_SERVICES_GUID => info!("ignoring dxe services table {}", table.guid),
+            HAND_OFF_BLOCK_LIST_GUID => info!("ignoring hand-off block list {}", table.guid),
+            LZMA_COMPRESS_GUID => info!("ignoring lzma filesystem {}", table.guid),
+            MEMORY_STATUS_CODE_RECORD_GUID => info!("ignoring early memory info {}", table.guid),
+            MEMORY_TYPE_INFORMATION_GUID => info!("ignoring early memory info {}", table.guid),
+            SMBIOS_GUID => {
+                info!("SMBIOS {}", table.guid);
+                handle_smbios(&table, info_builder)
+            },
+            SMBIOS3_GUID => {
+                info!("SMBIOSv3 {}", table.guid);
+                handle_smbios(&table, info_builder)
+            },
+            guid => info!("ignoring table {guid}"),
         }
     }
 }
 
-/// Parse the ACPI RSDP and create the Multiboot struct for it.
 fn handle_acpi(table: &ConfigTableEntry, info_builder: &mut InfoBuilder) {
-    debug!("handling ACPI RSDP");
+    debug!("handling ACPI RSDP version 1");
+    let rsdp = unsafe { *(table.address as *const Rsdp) };
+    if rsdp.validate().is_err() {
+        warn!("the RSDP is invalid");
+        return;
+    }
+    if rsdp.revision() != 0 {
+        warn!("invalid RSDP revision (expected: 0, got: {})", rsdp.revision());
+        return;
+    }
+
+    info_builder.set_rsdp_v1(
+        rsdp.signature(), rsdp.checksum(),
+        rsdp.oem_id().as_bytes()[0..6].try_into().unwrap(),
+        rsdp.revision(), rsdp.rsdt_address(),
+    );
+}
+
+/// Parse the ACPI RSDP and create the Multiboot struct for it.
+fn handle_acpi2(table: &ConfigTableEntry, info_builder: &mut InfoBuilder) {
+    debug!("handling ACPI RSDP version 2");
     let rsdp = unsafe { *(table.address as *const Rsdp) };
     if rsdp.validate().is_err() {
         warn!("the RSDP is invalid");
         return;
     }
-    if rsdp.revision() == 0 {
-        info_builder.set_rsdp_v1(
-            rsdp.signature(), rsdp.checksum(),
-            rsdp.oem_id().as_bytes()[0..6].try_into().unwrap(),
-            rsdp.revision(), rsdp.rsdt_address(),
-        );
-    } else {
-        info_builder.set_rsdp_v2(
-            rsdp.signature(), rsdp.checksum(),
-            rsdp.oem_id().as_bytes()[0..6].try_into().unwrap(),
-            rsdp.revision(), rsdp.rsdt_address(), rsdp.length(),
-            rsdp.xsdt_address(), rsdp.ext_checksum(),
-        );
+    if rsdp.revision() != 0 {
+        warn!("invalid RSDP revision (expected: >0, got: {})", rsdp.revision());
+        return;
     }
+
+    info_builder.set_rsdp_v2(
+        rsdp.signature(), rsdp.checksum(),
+        rsdp.oem_id().as_bytes()[0..6].try_into().unwrap(),
+        rsdp.revision(), rsdp.rsdt_address(), rsdp.length(),
+        rsdp.xsdt_address(), rsdp.ext_checksum(),
+    );
 }
 
 /// The entry point for SMBIOS.

towboot/src/boot/mod.rs

@@ -434,13 +434,15 @@ impl EntryPoint {
     /// Jump to the loaded kernel.
     /// This requires everything else to be ready and won't return.
     fn jump(self, signature: u32, info: Vec<u8>) -> ! {
-        if let Self::Uefi(entry_address) = self {
+        loop {}
+
+        /*if let Self::Uefi(entry_address) = self {
             self.jump_uefi(entry_address, signature, info)
         } else if let Self::Multiboot(entry_address) = self {
             self.jump_multiboot(entry_address, signature, info)
         } else {
             panic!("invalid entry point")
-        }
+        }*/
     }
 
     /// Jump to the loaded kernel, UEFI-style, eg. just passing the information.