feat(env): drop support for non-FDT bootargs

Author: mkroening

src/arch/aarch64/kernel/mod.rs

@@ -16,8 +16,8 @@ pub mod systemtime;
 
 use alloc::alloc::{Layout, alloc};
 use core::arch::global_asm;
+use core::ptr;
 use core::sync::atomic::{AtomicPtr, AtomicU32, Ordering};
-use core::{ptr, str};
 
 use crate::arch::aarch64::kernel::core_local::*;
 use crate::arch::aarch64::mm::paging::{BasePageSize, PageSize};
@@ -58,10 +58,6 @@ pub fn get_processor_count() -> u32 {
 	1
 }
 
-pub fn args() -> Option<&'static str> {
-	None
-}
-
 /// Real Boot Processor initialization as soon as we have put the first Welcome message on the screen.
 #[cfg(target_os = "none")]
 pub fn boot_processor_init() {

src/arch/riscv64/kernel/mod.rs

@@ -58,10 +58,6 @@ pub fn get_processor_count() -> u32 {
 	1
 }
 
-pub fn args() -> Option<&'static str> {
-	None
-}
-
 pub fn get_hart_mask() -> u64 {
 	HART_MASK.load(Ordering::Relaxed)
 }

src/arch/x86_64/kernel/mod.rs

@@ -68,14 +68,6 @@ pub fn is_uhyve_with_pci() -> bool {
 	)
 }
 
-pub fn args() -> Option<&'static str> {
-	match env::boot_info().platform_info {
-		PlatformInfo::Multiboot { command_line, .. }
-		| PlatformInfo::LinuxBootParams { command_line, .. } => command_line,
-		_ => None,
-	}
-}
-
 /// Real Boot Processor initialization as soon as we have put the first Welcome message on the screen.
 #[cfg(target_os = "none")]
 pub fn boot_processor_init() {

src/env/mod.rs

@@ -18,7 +18,6 @@ use memory_addresses::PhysAddr;
 #[cfg(not(feature = "common-os"))]
 pub(crate) use self::executable::tls::TlsInfo;
 pub(crate) use self::executable::{executable_ptr_range, log_segments};
-use crate::arch::kernel;
 
 static BOOT_INFO: OnceCell<BootInfo> = OnceCell::new();
 
@@ -97,7 +96,7 @@ impl Default for Cli {
 			RandomState::with_seeds(0, 0, 0, 0),
 		);
 
-		let args = kernel::args().or_else(fdt_args).unwrap_or_default();
+		let args = fdt_args().unwrap_or_default();
 		info!("bootargs = {args}");
 		let words = shell_words::split(args).unwrap();