More testing with GDT

2026-06-26 12:15:45 +00:00 · 2026-06-26 12:15:45 +00:00 · f438a722f6
commit f438a722f6
parent cc2d5cfea9
10 changed files with 118 additions and 107 deletions
--- a/Cargo.lock
+++ b/Cargo.lock
@ -13,15 +13,15 @@ dependencies = [

 [[package]]
 name = "align-address"
-version = "0.3.0"
+version = "0.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4ac6c08a67736554282858203cd9b7ff53cf55f54c34e85689962748a350cbf0"
+checksum = "cee078b3ed87e2621e0389729e2f032cc0408a4548768ced01678c9451c62237"

 [[package]]
 name = "autocfg"
-version = "1.5.0"
+version = "1.5.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c08606f8c3cbf4ce6ec8e28fb0014a2c086708fe954eaa885384a6165172e7e8"
+checksum = "f2032f911046de80f0a198e0901378627c33f59ea0ac00e363d481118bd70a53"

 [[package]]
 name = "bit_field"
@ -31,9 +31,15 @@ checksum = "1e4b40c7323adcfc0a41c4b88143ed58346ff65a288fc144329c5c45e05d70c6"

 [[package]]
 name = "bitflags"
-version = "2.10.0"
+version = "2.13.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "812e12b5285cc515a9c72a5c1d3b6d46a19dac5acfef5265968c166106e31dd3"
+checksum = "b4388bee8683e3d04af747c73422af53102d2bd24d9eadb6cbc100baef4b43f8"
+
+[[package]]
+name = "const_fn"
+version = "0.4.12"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "413d67b29ef1021b4d60f4aa1e925ca031751e213832b4b1d588fae623c05c60"

 [[package]]
 name = "critical-section"
@ -69,9 +75,9 @@ checksum = "b7ac824320a75a52197e8f2d787f6a38b6718bb6897a35142d749af3c0e8f4fe"

 [[package]]
 name = "free-list"
-version = "0.3.1"
+version = "0.3.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "810f338a4ef98f319a279c9199f35d7ec366c6002ca6a8f18fdcc94cfef9afab"
+checksum = "358d33fcfc734d809ab9d4c45de31f1e73e3b973656deaff0db3cd5951782134"
 dependencies = [
 "align-address",
 "smallvec",
@ -100,7 +106,7 @@ dependencies = [
 "num-traits",
 "once_cell",
 "raw-cpuid",
- "spin 0.10.0",
+ "spin 0.12.1",
 "talc",
 "x86_64",
 ]
@ -124,12 +130,9 @@ dependencies = [

 [[package]]
 name = "limine"
-version = "0.5.0"
+version = "0.6.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "af6d2ee42712e7bd2c787365cd1dab06ef59a61becbf87bec7b32b970bd2594b"
-dependencies = [
- "bitflags",
-]
+checksum = "29363c0f37e66e18575fadf7141c56ee7ea04ae5fecbeb25eff303f77af203a9"

 [[package]]
 name = "lock_api"
@ -162,9 +165,9 @@ dependencies = [

 [[package]]
 name = "once_cell"
-version = "1.21.3"
+version = "1.21.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "42f5e15c9953c5e4ccceeb2e7382a716482c34515315f7b03532b8b4e8393d2d"
+checksum = "9f7c3e4beb33f85d45ae3e3a1792185706c8e16d043238c593331cc7cd313b50"
 dependencies = [
 "critical-section",
 "portable-atomic",
@ -172,24 +175,24 @@ dependencies = [

 [[package]]
 name = "portable-atomic"
-version = "1.11.1"
+version = "1.13.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f84267b20a16ea918e43c6a88433c2d54fa145c92a811b5b047ccbe153674483"
+checksum = "c33a9471896f1c69cecef8d20cbe2f7accd12527ce60845ff44c153bb2a21b49"

 [[package]]
 name = "proc-macro2"
-version = "1.0.103"
+version = "1.0.106"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5ee95bc4ef87b8d5ba32e8b7714ccc834865276eab0aed5c9958d00ec45f49e8"
+checksum = "8fd00f0bb2e90d81d1044c2b32617f68fcb9fa3bb7640c23e9c748e53fb30934"
 dependencies = [
 "unicode-ident",
 ]

 [[package]]
 name = "quote"
-version = "1.0.42"
+version = "1.0.46"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a338cc41d27e6cc6dce6cefc13a0729dfbb81c262b1f519331575dd80ef3067f"
+checksum = "dfbc457d0c7a0759a614551b11a6409e5951f6c7537be1f1b7682b9ae9230368"
 dependencies = [
 "proc-macro2",
 ]
@ -217,9 +220,9 @@ checksum = "94143f37725109f92c262ed2cf5e59bce7498c01bcc1502d7b9afe439a4e9f49"

 [[package]]
 name = "smallvec"
-version = "1.15.1"
+version = "1.15.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "67b1b7a3b5fe4f1376887184045fcf45c69e92af734b7aaddc05fb777b6fbd03"
+checksum = "8ed6a63f02c8539c91a8685a86f4099661ba3da017932f6ebbea6de3f0fa7c90"

 [[package]]
 name = "spin"
@ -229,9 +232,9 @@ checksum = "6980e8d7511241f8acf4aebddbb1ff938df5eebe98691418c4468d0b72a96a67"

 [[package]]
 name = "spin"
-version = "0.10.0"
+version = "0.12.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d5fe4ccb98d9c292d56fec89a5e07da7fc4cf0dc11e156b41793132775d3e591"
+checksum = "bd5231412d905519dca6a5deb0327d407be68d6c941feec004533401d3a0a715"
 dependencies = [
 "lock_api",
 ]
@ -244,9 +247,9 @@ checksum = "5cdeee85371b1ec1f4b305c91787271a39f56b66e673bdbd73b7742150de5b0e"

 [[package]]
 name = "syn"
-version = "2.0.110"
+version = "2.0.118"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a99801b5bd34ede4cf3fc688c5919368fea4e4814a4664359503e6015b280aea"
+checksum = "1b9ae57f904213ebb649ce6895b8a66c66f0203b9319718f69a5612a065b1422"
 dependencies = [
 "proc-macro2",
 "quote",
@ -264,9 +267,9 @@ dependencies = [

 [[package]]
 name = "unicode-ident"
-version = "1.0.22"
+version = "1.0.24"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9312f7c4f6ff9069b165498234ce8be658059c6728633667c526e27dc2cf1df5"
+checksum = "e6e4313cd5fcd3dad5cafa179702e2b244f760991f45397d14d4ebf38247da75"

 [[package]]
 name = "volatile"
@ -276,12 +279,13 @@ checksum = "442887c63f2c839b346c192d047a7c87e73d0689c9157b00b53dcc27dd5ea793"

 [[package]]
 name = "x86_64"
-version = "0.15.2"
+version = "0.15.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0f042214de98141e9c8706e8192b73f56494087cc55ebec28ce10f26c5c364ae"
+checksum = "f7841fa0098ceb15c567d93d3fae292c49e10a7662b4936d5f6a9728594555ba"
 dependencies = [
 "bit_field",
 "bitflags",
+ "const_fn",
 "rustversion",
 "volatile",
 ]
--- a/kernel/Cargo.toml
+++ b/kernel/Cargo.toml
@ -11,11 +11,11 @@ flagset = "0.4.7"
 free-list = { version = "0.3.1", features = ["x86_64"] }
 intbits = "0.2.0"
 lazy_static = { version = "1.5.0", default-features = false, features = ["spin_no_std"] }
-limine = "0.5.0"
+limine = "0.6.5"
 num-derive = "0.4.2"
 num-traits = { version = "0.2.19", default-features = false }
 once_cell = { version = "1.21.3", default-features = false, features = ["alloc", "critical-section"] }
-spin = "0.10.0"
+spin = "0.12.1"
 talc = "4.4.3"

 libgila = { path = "../libgila" }
--- a/kernel/src/arch/x86_64/gdt.rs
+++ b/kernel/src/arch/x86_64/gdt.rs
@ -61,8 +61,9 @@ pub fn dump_gdt() {
        let flags = x86_64::structures::gdt::DescriptorFlags::from_bits_retain(entry.raw());
        let seg_type = SegmentType::try_from(entry);
        log_info!(
-            "GDT entry: type: {:?}, size: {}, raw flags: 0b{:04b}, access: 0b{:08b}",
+            "GDT entry: type: {:?} (ring {}), size: {}, raw flags: 0b{:04b}, access: 0b{:08b}",
            seg_type.unwrap(),
+            entry.access().bits(5..=6),
            if flags.contains(gdt::DescriptorFlags::DEFAULT_SIZE) {
                "32-bit"
            } else if flags.contains(gdt::DescriptorFlags::LONG_MODE) {
@ -71,7 +72,7 @@ pub fn dump_gdt() {
                "16-bit"
            },
            entry.raw().bits(52..=55),
-            entry.access()
+            entry.access(),
        );
    }
 }
--- a/kernel/src/boot/mod.rs
+++ b/kernel/src/boot/mod.rs
@ -4,7 +4,7 @@
 pub mod modules;
 pub mod params;

-use limine::{BaseRevision, request::*};
+use limine::{BaseRevision, RequestsEndMarker, RequestsStartMarker, request::*};

 #[used]
 #[unsafe(link_section = ".requests_start_marker")]
@ -20,7 +20,7 @@ pub static BASE_REVISION: BaseRevision = limine::BaseRevision::new();

 #[used]
 #[unsafe(link_section = ".requests")]
-pub static MP_REQUEST: MpRequest = limine::request::MpRequest::new();
+pub static MP_REQUEST: MpRequest = limine::request::MpRequest::new(0);

 #[used]
 #[unsafe(link_section = ".requests")]
@ -29,3 +29,7 @@ pub static FRAMEBUFFER_REQUEST: FramebufferRequest = limine::request::Framebuffe
 #[used]
 #[unsafe(link_section = ".requests")]
 pub static FIRMWARE_TYPE_REQUEST: FirmwareTypeRequest = limine::request::FirmwareTypeRequest::new();
+
+#[used]
+#[unsafe(link_section = ".requests")]
+pub static RSDP_REQUEST: RsdpRequest = limine::request::RsdpRequest::new();
--- a/kernel/src/boot/modules.rs
+++ b/kernel/src/boot/modules.rs
@ -5,10 +5,7 @@ use crate::format;
 use crate::memory::alloc::string::String;
 use crate::{LOGGER, LogLevel, log_trace};
 use lazy_static::lazy_static;
-use limine::{
-    request::{ExecutableFileRequest, ModuleRequest},
-    response::ModuleResponse,
-};
+use limine::request::*;

 #[used]
 #[unsafe(link_section = ".requests")]
@ -16,10 +13,10 @@ pub static FILE_REQUEST: ExecutableFileRequest = limine::request::ExecutableFile

 #[used]
 #[unsafe(link_section = ".requests")]
-pub static MODULE_REQUEST: ModuleRequest = limine::request::ModuleRequest::new();
+pub static MODULE_REQUEST: ModulesRequest = limine::request::ModulesRequest::new();

 lazy_static! {
-    pub static ref MODULE_RESPONSE: Option<&'static ModuleResponse> = MODULE_REQUEST.get_response();
+    pub static ref MODULE_RESPONSE: Option<&'static ModulesResponse> = MODULE_REQUEST.response();
 }

 pub fn log_modules() {
@ -29,7 +26,7 @@ pub fn log_modules() {
            for module in modules.modules() {
                log_msg.push_str(&format!(
                    "\t{}",
-                    String::from_utf8_lossy(module.path().to_bytes())
+                    String::from_utf8_lossy(module.path().as_bytes())
                ));
            }
            log_trace!("{log_msg}")
--- a/kernel/src/boot/params.rs
+++ b/kernel/src/boot/params.rs
@ -6,14 +6,18 @@ use crate::memory::alloc;
 use alloc::string::String;
 use alloc::vec::Vec;
 use lazy_static::lazy_static;
-use limine::response::ExecutableFileResponse;
+use limine::request::ExecutableFileResponse;

 lazy_static! {
    pub static ref EXECUTABLE_FILE_RESPONSE: &'static ExecutableFileResponse = FILE_REQUEST
-        .get_response()
+        .response()
        .expect("Bootloader did not return executable data");
-    pub static ref PARAMS: KernelParameters =
-        get_kernel_params(limine::file::File::string(EXECUTABLE_FILE_RESPONSE.file()).to_bytes());
+    pub static ref PARAMS: KernelParameters = get_kernel_params(
+        EXECUTABLE_FILE_RESPONSE
+            .executable_file()
+            .cmdline()
+            .as_bytes()
+    );
 }

 pub type KernelParameters = alloc::collections::BTreeMap<String, String>;
--- a/kernel/src/main.rs
+++ b/kernel/src/main.rs
@ -21,11 +21,13 @@ use arch::x86_64::serial::SerialPort;
 use boot::{BASE_REVISION, params, *};
 use constants::*;
 use log::*;
-use memory::alloc::{boxed::Box, format, string::String, vec};
+use memory::alloc::{boxed::Box, format, vec};
 use params::*;

 use lazy_static::lazy_static;
-use limine::firmware_type::FirmwareType;
+use limine::firmware::{
+    FIRMWARE_TYPE_EFI32, FIRMWARE_TYPE_EFI64, FIRMWARE_TYPE_SBI, FIRMWARE_TYPE_X86BIOS,
+};
 use spin::mutex::Mutex;

 use crate::{
@ -86,13 +88,11 @@ unsafe extern "C" fn main() -> ! {

    log_info!(
        "Kernel cmdline: {}",
-        String::from_utf8_lossy(
-            limine::file::File::string(EXECUTABLE_FILE_RESPONSE.file()).to_bytes()
-        )
+        EXECUTABLE_FILE_RESPONSE.executable_file().cmdline()
    );
    log_info!(
        "Kernel file path: {}",
-        String::from_utf8_lossy(EXECUTABLE_FILE_RESPONSE.file().path().to_bytes())
+        EXECUTABLE_FILE_RESPONSE.executable_file().path()
    );

    // Branding
@ -106,14 +106,14 @@ unsafe extern "C" fn main() -> ! {
        .log_writeln("\tWelcome to the Gila microkernel!\n");
    log_info!("Booting gila version {}", kernel_version_string());

-    match boot::FIRMWARE_TYPE_REQUEST.get_response() {
+    match boot::FIRMWARE_TYPE_REQUEST.response() {
        Some(resp) => log_info!(
            "Firmware type: {}",
-            match resp.firmware_type() {
-                FirmwareType::SBI => "SBI",
-                FirmwareType::UEFI_32 => "UEFI (32-bit)",
-                FirmwareType::UEFI_64 => "UEFI (64-bit)",
-                FirmwareType::X86_BIOS => "x86 BIOS",
+            match resp.firmware_type {
+                FIRMWARE_TYPE_SBI => "SBI",
+                FIRMWARE_TYPE_EFI32 => "UEFI (32-bit)",
+                FIRMWARE_TYPE_EFI64 => "UEFI (64-bit)",
+                FIRMWARE_TYPE_X86BIOS => "x86 BIOS",
                _ => "Unknown",
            }
        ),
@ -122,20 +122,22 @@ unsafe extern "C" fn main() -> ! {

    log_info!("Trans rights!");

-    if let Some(framebuffer_response) = FRAMEBUFFER_REQUEST.get_response() {
-        let fb = framebuffer_response.framebuffers().next().unwrap();
+    if let Some(framebuffer_response) = FRAMEBUFFER_REQUEST.response() {
+        let fb = framebuffer_response.framebuffers_rev1().unwrap()[0];
        log_info!("Framebuffer response received");
+        for mode in fb.modes() {
            log_trace!(
-            "Framebuffer dimensions: {}x{}, {} bits per pixel",
-            fb.width(),
-            fb.height(),
-            fb.bpp()
+                "Mode: {}x{}, {} bits per pixel",
+                mode.width,
+                mode.height,
+                mode.bpp
            );
+        }
    } else {
        log_info!("Framebuffer response absent, graphics disabled",);
    }

-    let smp_response = MP_REQUEST.get_response();
+    let smp_response = MP_REQUEST.response();
    match smp_response {
        None => log_info!("Multiprocessing response not received"),
        Some(resp) => {
@ -144,6 +146,15 @@ unsafe extern "C" fn main() -> ! {
        }
    }

+    let rsdp_response = RSDP_REQUEST.response();
+    match rsdp_response {
+        None => log_info!("RDSP response not received"),
+        Some(resp) => {
+            log_info!("RSDP response received");
+            log_trace!("RSDT address: 0x{:x}", resp.address as usize)
+        }
+    }
+
    boot::modules::log_modules();

    memory::log_memory();
@ -164,7 +175,7 @@ unsafe extern "C" fn main() -> ! {
    log_info!("Physical address of current L4 table: 0x{:x}", l4_start);
    log_info!(
        "Virtual address of current L4 table: 0x{:x}",
-        l4_start.as_u64() + HHDM_RESPONSE.offset()
+        l4_start.as_u64() + HHDM_RESPONSE.offset
    );

    //iter_table(4, &PML4);
--- a/kernel/src/memory/mod.rs
+++ b/kernel/src/memory/mod.rs
@ -9,12 +9,9 @@ use crate::{LOGGER, LogLevel, format};
 use alloc::string::String;

 use lazy_static::lazy_static;
-use limine::response::MemoryMapResponse;
-use limine::{
-    memory_map::EntryType,
-    request::{ExecutableAddressRequest, HhdmRequest, MemoryMapRequest, PagingModeRequest},
-    response::HhdmResponse,
-};
+use limine::memmap::*;
+use limine::request::{ExecutableAddressRequest, HhdmRepsonse, HhdmRequest};
+use limine::request::{MemmapRequest, MemmapResponse};
 use talc::*;

 pub extern crate alloc;
@ -22,8 +19,8 @@ pub extern crate alloc;
 pub mod paging;

 lazy_static! {
-    pub static ref MEMMAP_RESPONSE: &'static MemoryMapResponse = MEMMAP_REQUEST
-        .get_response()
+    pub static ref MEMMAP_RESPONSE: &'static MemmapResponse = MEMMAP_REQUEST
+        .response()
        .expect("Bootloader did not supply memory map");
 }

@ -40,37 +37,36 @@ pub fn log_memory() {
                entry.length,
                entry.length as usize / PAGE_SIZE,
                entry.base,
-                match entry.entry_type {
-                    EntryType::ACPI_NVS => {
+                match entry.type_ {
+                    MEMMAP_ACPI_NVS => {
                        hardware += entry.length;
                        "ACPI (reserved)"
                    }
-                    EntryType::ACPI_RECLAIMABLE => {
+                    MEMMAP_ACPI_RECLAIMABLE => {
                        reclaimable += entry.length;
                        "ACPI (reclaimable)"
                    }
-                    EntryType::BAD_MEMORY => {
+                    MEMMAP_BAD_MEMORY => {
                        unusable += entry.length;
                        "damaged/unusable"
                    }
-                    EntryType::BOOTLOADER_RECLAIMABLE => {
+                    MEMMAP_BOOTLOADER_RECLAIMABLE => {
                        reclaimable += entry.length;
                        "bootloader (reclaimable)"
                    }
-                    #[allow(unreachable_patterns, deprecated)]
-                    EntryType::EXECUTABLE_AND_MODULES | EntryType::KERNEL_AND_MODULES => {
+                    MEMMAP_EXECUTABLE_AND_MODULES => {
                        unusable += entry.length;
                        "executable & modules"
                    }
-                    EntryType::FRAMEBUFFER => {
+                    MEMMAP_FRAMEBUFFER => {
                        hardware += entry.length;
                        "framebuffer"
                    }
-                    EntryType::RESERVED => {
+                    MEMMAP_RESERVED => {
                        unusable += entry.length;
                        "reserved"
                    }
-                    EntryType::USABLE => {
+                    MEMMAP_USABLE => {
                        usable += entry.length;
                        "usable"
                    }
@ -90,22 +86,19 @@ pub fn log_memory() {
 }

 pub fn log_address() {
-    if let Some(resp) = ADDRESS_REQUEST.get_response() {
-        log_info!(
-            "Kernel physical start address: 0x{:x}",
-            resp.physical_base()
-        );
-        log_info!("Kernel virtual start address: 0x{:x}", resp.virtual_base());
+    if let Some(resp) = ADDRESS_REQUEST.response() {
+        log_info!("Kernel physical start address: 0x{:x}", resp.physical_base);
+        log_info!("Kernel virtual start address: 0x{:x}", resp.virtual_base);
        log_info!(
            "Kernel physical start address (calculated): 0x{:x}",
-            0i64 - resp.virtual_base() as i64 + resp.physical_base() as i64
+            0i64 - resp.virtual_base as i64 + resp.physical_base as i64
        );
    } else {
        log_warning!("No kernel address response provided.");
    }
    log_info!(
        "Higher Half direct map offset: 0x{:x}",
-        HHDM_RESPONSE.offset()
+        HHDM_RESPONSE.offset
    );
 }

@ -117,10 +110,6 @@ pub fn init_statics() {
    let _ = MEMMAP_RESPONSE;
 }

-#[used]
-#[unsafe(link_section = ".requests")]
-pub static PAGING_REQUEST: PagingModeRequest = limine::request::PagingModeRequest::new();
-
 #[used]
 #[unsafe(link_section = ".requests")]
 pub static ADDRESS_REQUEST: ExecutableAddressRequest =
@ -128,15 +117,15 @@ pub static ADDRESS_REQUEST: ExecutableAddressRequest =

 #[used]
 #[unsafe(link_section = ".requests")]
-pub static MEMMAP_REQUEST: MemoryMapRequest = limine::request::MemoryMapRequest::new();
+pub static MEMMAP_REQUEST: MemmapRequest = limine::request::MemmapRequest::new();

 #[used]
 #[unsafe(link_section = ".requests")]
 pub static HHDM_REQUEST: HhdmRequest = limine::request::HhdmRequest::new();

 lazy_static! {
-    pub static ref HHDM_RESPONSE: &'static HhdmResponse = HHDM_REQUEST
-        .get_response()
+    pub static ref HHDM_RESPONSE: &'static HhdmRepsonse = HHDM_REQUEST
+        .response()
        .expect("Did not get HHDM response from bootloader");
 }

--- a/kernel/src/memory/paging.rs
+++ b/kernel/src/memory/paging.rs
@ -14,7 +14,7 @@ pub unsafe fn active_level_4_table() -> &'static mut PageTable {
    let (level_4_table_frame, _) = Cr3::read();

    let phys = level_4_table_frame.start_address();
-    let virt: VirtAddr = VirtAddr::new(HHDM_RESPONSE.offset() + phys.as_u64());
+    let virt: VirtAddr = VirtAddr::new(HHDM_RESPONSE.offset + phys.as_u64());
    let page_table_ptr: *mut PageTable = virt.as_mut_ptr();

    unsafe { &mut *page_table_ptr }
@ -32,7 +32,7 @@ pub fn iter_table(level: usize, table: &PageTable) {
            log_info!("L{} Entry {}: {:?}", level, i, entry);
            if (level > 1) & !entry.flags().contains(PageTableFlags::HUGE_PAGE) {
                let phys = entry.frame().unwrap().start_address();
-                let virt = phys.as_u64() + HHDM_RESPONSE.offset();
+                let virt = phys.as_u64() + HHDM_RESPONSE.offset;
                let ptr = VirtAddr::new(virt).as_mut_ptr();
                let new_table: &PageTable = unsafe { &*ptr };
                iter_table(level - 1, new_table);
--- a/shell.nix
+++ b/shell.nix
@ -19,8 +19,9 @@ pkgs.mkShell {
  ];

  shellHook = ''
+    echo $TMPDIR;
    rustup default nightly;
-    rustup target add x86_64-unknown-none
+    rustup target add x86_64-unknown-none;
    export LIMINEDIR="${pkgs.limine-full}/share/limine"
  '';