updates

kernel/src/abi.rs

@@ -3,7 +3,7 @@ use abi_sys::{
     PrintAbi, ReadFile, RngRequest, SleepMsAbi, keyboard::*,
 };
 use alloc::{string::ToString, vec::Vec};
-use core::{alloc::GlobalAlloc, ffi::c_char, ptr, sync::atomic::Ordering};
+use core::{ffi::c_char, ptr, sync::atomic::Ordering};
 use embassy_rp::clocks::{RoscRng, clk_sys_freq};
 use embassy_time::Instant;
 use embedded_graphics::draw_target::DrawTarget;
@@ -13,6 +13,9 @@ use heapless::spsc::Queue;
 #[cfg(feature = "psram")]
 use crate::heap::HEAP;
 
+#[cfg(feature = "psram")]
+use core::alloc::GlobalAlloc;
+
 use crate::{
     display::FRAMEBUFFER,
     framebuffer::FB_PAUSED,