commit f3444ea0eccc0dc1eb9399f8085ca7eabb48eeb2
from: Benjamin Stürz <benni@stuerz.xyz>
date: Wed Apr 10 11:10:35 2024 UTC

Port to arm64

commit - 72b297959e4fd27abedaea0b12e097d9c9060034
commit + f3444ea0eccc0dc1eb9399f8085ca7eabb48eeb2
blob - e4e6ab34f754a4c403a02e790b58320fbba2aac4
blob + bfeb1e67a903cef35097bb4b7d05e2551d92daa3
--- README
+++ README
@@ -29,6 +29,7 @@ Example for the cat.elf program:
 Due to design decisions, only 64bit archs can be supported:
 
 - amd64
+- arm64
 
 Note: Once I get more hardware, I can port it to other architectures.
 
blob - cc5b1e19fab3265bfb05034c4cc394d07defbbfc
blob + 075f9f812a8cba378fee259e930a8050d929f4c7
--- src/cpu.c
+++ src/cpu.c
@@ -372,7 +372,7 @@ void cpu_exec (u32 instr)
 	case 0b1110011: // ecall/ebreak
 		if ((instr >> 20) & 1) {
 			eprintf ("%08"PRIx64": ebreak\n", pc - 4);
-			__asm __volatile__ ("int $3");
+			__builtin_trap ();
 		} else {
 			ecall ();
 		}