fix(prototyper): remove unused code and add lottery in payload

prototyper/src/board.rs

@@ -20,6 +20,7 @@ pub(crate) static mut SBI_IMPL: MaybeUninit<
 
 /// Console Device: Uart16550
 #[doc(hidden)]
+#[allow(unused)]
 pub enum MachineConsole {
     Uart16550(*const Uart16550<u8>),
     UartAxiLite(MmioUartAxiLite),

prototyper/src/main.rs

@@ -19,8 +19,6 @@ use core::sync::atomic::{AtomicBool, Ordering};
 use core::{arch::asm, mem::MaybeUninit};
 
 use crate::board::{SBI_IMPL, SIFIVECLINT, SIFIVETEST, UART};
-#[cfg(not(feature = "payload"))]
-use crate::platform::dynamic;
 use crate::riscv_spec::{current_hartid, menvcfg};
 use crate::sbi::console::SbiConsole;
 use crate::sbi::hart_context::NextStage;

prototyper/src/platform/dynamic.rs

@@ -24,7 +24,6 @@ pub fn get_boot_hart(opaque: usize, nonstandard_a2: usize) -> BootHart {
 }
 
 pub fn get_boot_info(nonstandard_a2: usize) -> BootInfo {
-    static GENESIS: AtomicBool = AtomicBool::new(true);
     let dynamic_info = read_paddr(nonstandard_a2).unwrap_or_else(fail::no_dynamic_info_available);
     let (mpp, next_addr) = mpp_next_addr(&dynamic_info).unwrap_or_else(fail::invalid_dynamic_data);
     BootInfo {

prototyper/src/platform/payload.rs

@@ -1,12 +1,15 @@
-use super::{BootHart, BootInfo};
 use core::arch::asm;
-
+use core::sync::atomic::{AtomicBool, Ordering};
 use riscv::register::mstatus;
 
+use super::{BootHart, BootInfo};
+
 pub fn get_boot_hart(_opaque: usize, _nonstandard_a2: usize) -> BootHart {
+    static GENESIS: AtomicBool = AtomicBool::new(true);
+    let is_boot_hart = GENESIS.swap(false, Ordering::AcqRel);
     BootHart {
         fdt_address: get_fdt_address(),
-        is_boot_hart: true,
+        is_boot_hart,
     }
 }