kernel panic and trapping :)

2026-02-08 22:41:38 +00:00 · 2026-02-08 22:41:38 +00:00 · da95a4acfa
commit da95a4acfa
parent fae2e42f8f
5 changed files with 70 additions and 1 deletions
--- a/src/boot/entry.S
+++ b/src/boot/entry.S
@ -2,11 +2,15 @@
 .global _start
 _start:
    la sp, stack_top      # Set up the stack pointer
+    la t0, trap_entry     # Set up the trap handler
+    csrw mtvec, t0        # Set the trap vector to our trap handler
    call kmain            # Jump to our C code
 loop:
    wfi                   # Wait for Interrupt (saves CPU)
    j loop                # Infinite loop if C returns
-
+.align 4
+trap_entry:
+    j handle_trap
 .section .bss
 .align 16
 stack_low: