Make execload respect the static ram start

src/execload.rs

@@ -14,9 +14,9 @@ use goblin::{
         program_header::PT_LOAD,
     },
 };
-use trve::consts::Addr;
+use trve::{consts::Addr, mem::RAM_START};
 
-pub fn load<P: AsRef<Path>>(path: P, ram: &mut [u8], ram_start: Addr) -> Result<Addr> {
+pub fn load<P: AsRef<Path>>(path: P, ram: &mut [u8]) -> Result<Addr> {
     let buf = fs::read(path)?;
 
     match Object::parse(&buf)? {
@@ -36,11 +36,11 @@ pub fn load<P: AsRef<Path>>(path: P, ram: &mut [u8], ram_start: Addr) -> Result<
 
             for ph in elf.program_headers {
                 if ph.p_type == PT_LOAD {
-                    let start = (ph.p_vaddr - ram_start) as usize;
+                    let start = (ph.p_vaddr - RAM_START) as usize;
                     let end = start + ph.p_memsz as usize;
                     let file_end = start + ph.p_filesz as usize;
 
-                    if end > ram_start as usize + ram.len() {
+                    if end > RAM_START as usize + ram.len() {
                         bail!("Segment at 0x{:x} does not fit in RAM", ph.p_vaddr);
                     }
 
@@ -60,7 +60,7 @@ pub fn load<P: AsRef<Path>>(path: P, ram: &mut [u8], ram_start: Addr) -> Result<
                 bail!("Program too large for RAM");
             }
             ram[..buf.len()].copy_from_slice(&buf);
-            Ok(ram_start)
+            Ok(RAM_START)
         }
         _ => bail!("Unsupported executable format"),
     }

src/main.rs

@@ -30,7 +30,7 @@ fn main() -> Result<()> {
         bail!("Wrong number of arguments");
     }
 
-    let entry_point = execload::load(&args[1], buf, 0x8000_0000)?;
+    let entry_point = execload::load(&args[1], buf)?;
 
     let mut mmio_root = MmioRoot::default();
     mmio_root.insert(0, Arc::new(DbgOut));