change from wdt to dtb parsing

reference commit 039afedbc80eea82266c324b6548d59dcd746098

2 files changed, 8 insertions, 11 deletions

diff --git a/.gitignore b/.gitignore
index 8ae2689..d5de5d8 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,3 +1,4 @@
 /target
 /.idea
-wkern.bin
\ No newline at end of file
+wkern.bin
+*.dtb
\ No newline at end of file
diff --git a/src/main.rs b/src/main.rs
index bb1d735..69134ac 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -10,13 +10,15 @@ use std::io::Write;
 const MEMORY_SIZE: usize = 64 * 1024 * 1024;
 const REGISTER_NAME_WIDTH: u32 = 0b11111;
 const RO_TARGET: u32 = 0x80000000;
-const WDT_LOCATION: u32 = 0x90000000;
+const FDT_LOCATION: u32 = 0x90000000;
 const UART_ADDR: u32 = 0x10000000;
 
 fn main() {
     let path = std::path::PathBuf::from("wkern.bin");
     let f_dat = std::fs::read(path).expect("Unable to read file");
 
+    let dtb_dat = std::fs::read(std::path::PathBuf::from("v1.dtb")).expect("Unable to read file");
+
     let memory = Memory::new(MEMORY_SIZE);
 
     let mut state = CpuState::new(memory);
@@ -27,20 +29,14 @@ fn main() {
         .unwrap();
     state
         .memory
-        .write_multiple_bytes(WDT_LOCATION as usize, &[
-            65, 65, 103, 103, //0x67674141
-            1, 0, 0, 0, // 1 (n_devices)
-            0, 0, 0, 0, // 0 (device type, free RAM)
-            0, 0, 0, 0, // 0 (free RAM, no driver)
-            0, 0, 0, 16, // 0x10000000 (start addr)
-            0, 0, 0, 3 // 48 MB (size)
-        ], 99)
+        .write_multiple_bytes(FDT_LOCATION as usize, dtb_dat.as_slice(), 99)
         .unwrap();
 
     state.memory.write(UART_ADDR as usize, 99, 0).unwrap();
     state.pc = RO_TARGET;
 
-    state.registers[10] = WDT_LOCATION;
+    state.registers[10] = 0;
+    state.registers[11] = FDT_LOCATION;
 
     loop {
         {