Linker and boot cleanup

SConstruct

@@ -56,6 +56,7 @@ if env["ARCH"] == "amd64":
     env.Append(CPPFLAGS = [ "-target", "x86_64-freebsd-freebsd-elf" ])
 elif env["ARCH"] == "arm64":
     env.Append(CPPFLAGS = [ "-target", "arm64-freebsd-freebsd-elf" ])
+    env.Append(LINKFLAGS = [ "-fuse-ld=lld", "-Wl,-maarch64elf" ])
 else:
     print("Unsupported architecture: " + env["ARCH"])
     sys.exit(-1)
@@ -152,7 +153,7 @@ if not conf.CheckCC():
 if not env["CCVERSION"].startswith("15."):
     print('Only Clang 15 is supported')
     print('You are running: ' + env["CCVERSION"])
-    CheckFailed()
+#    CheckFailed()
 
 conf.Finish()
 

sys/SConscript

@@ -38,9 +38,9 @@ src_amd64 = [
 
 src_arm64 = [
     # Multiboot requires multiboot.S to be the first file
-    "arm64/multiboot.S",
+    "arm64/locore.S",
     "arm64/mbentry.c",
-    # AMD64
+    # ARM64
     "arm64/debug.c",
     "arm64/disasm.c",
     "arm64/irq.c",

sys/arm64/locore.S

@@ -1,5 +1,5 @@
 /*
- * Multiboot Entry
+ * Boot
  */
 
 #define STACK_SIZE 0x4000
@@ -7,8 +7,6 @@
 #define KERNEL_BASE 0xFFFF800000000000
 #define LOWMEM(_x) (_x - KERNEL_BASE)
 
-.extern mb_entry
-
 .text
 
 /**