Add x86_64 kernel bring-up with build-selected platform adapters

toolchain/compile_link.sh

@@ -1,11 +1,20 @@
 #!/usr/bin/env bash
+# Multi-architecture build updates: Copyright 2026 Aaron Hance.
+set -e
+source "$(dirname "${BASH_SOURCE[0]}")/target.sh"
 echo " "
 echo "======================="
 echo " "
 echo "Linking..."
 echo " "
+if [ "$ASURO_ARCH" = x86_64 ]; then
+    ld -m "$LD_FORMAT" --gc-sections --no-warn-execstack \
+        -T"$LINKER_SCRIPT" -o "$BIN_DIR/kernel.bin" "$OBJ_DIR/"*.o
+    grub-file --is-x86-multiboot "$BIN_DIR/kernel.bin"
+    exit
+fi
 objstring=""; 
-for object in `find lib/ -name "*.o"`; do
+for object in `find lib/ -maxdepth 1 -name "*.o"`; do
 	if [ "$object" != "lib/stub.o" ]
 	then
 		objstring=$objstring$object" ";
@@ -19,4 +28,4 @@ echo " "
 LIBGCC=$(gcc -m32 -print-libgcc-file-name)
 echo "libgcc: ${LIBGCC}"
 
-ld -m elf_i386 -s --gc-sections --no-warn-execstack -Ttoolchain/linker.script -o bin/kernel.bin $objstring --start-group lib/liblvgl.a ${LIBGCC} --end-group
+ld -m elf_i386 -s --gc-sections --no-warn-execstack -Ttoolchain/linker.script -o bin/kernel.bin $objstring --start-group lib/liblvgl.a ${LIBGCC} --end-group