PIE binaries & fix currupted framebuffer

abi_sys/Cargo.toml

@@ -3,7 +3,11 @@ name = "abi_sys"
 version = "0.1.0"
 edition = "2024"
 
+[features]
+defmt = ["dep:defmt"]
+
 [dependencies]
 embedded-graphics = "0.8.1"
 strum = { version = "0.27.2", default-features = false, features = ["derive"] }
+defmt = { version = "0.3", optional = true }
 shared = { path = "../shared" }

abi_sys/src/lib.rs

@@ -9,16 +9,17 @@ use embedded_graphics::{
     pixelcolor::{Rgb565, RgbColor},
 };
 pub use shared::keyboard::{KeyCode, KeyEvent, KeyState, Modifiers};
-use strum::EnumIter;
+use strum::{EnumCount, EnumIter};
 
 pub type EntryFn = fn();
 
 #[unsafe(no_mangle)]
-#[unsafe(link_section = ".user_reloc")]
+#[unsafe(link_section = ".syscall_table")]
 pub static mut CALL_ABI_TABLE: [usize; CallAbiTable::COUNT] = [0; CallAbiTable::COUNT];
 
 #[repr(usize)]
-#[derive(Clone, Copy, EnumIter)]
+#[derive(Clone, Copy, EnumIter, EnumCount)]
+#[cfg_attr(feature = "defmt", derive(defmt::Format))]
 pub enum CallAbiTable {
     Print = 0,
     Sleep = 1,
@@ -28,10 +29,6 @@ pub enum CallAbiTable {
     GenRand = 5,
 }
 
-impl CallAbiTable {
-    pub const COUNT: usize = 6;
-}
-
 pub type PrintAbi = extern "Rust" fn(msg: &str);
 
 #[allow(unused)]