2 files changed, 50 insertions, 0 deletions
diff --git a/bootstrap/stage1/arch/x86_64/asm/__chkstk.s b/bootstrap/stage1/arch/x86_64/asm/__chkstk.s
new file mode 100644
index 0000000..7d5f0c4
--- /dev/null
+++ b/bootstrap/stage1/arch/x86_64/asm/__chkstk.s
@@ -0,0 +1,25 @@
+/*
+ * Copyright (C) 2025 Danny Holman <dholman@gymli.org>
+ *
+ * This file is part of BoxOS, a free and open-source Unix-like operating
+ * system.
+ *
+ * BoxOS is free software; you can redistribute it and/or modify under the
+ * terms of the GNU General Public License as published by the Free Software
+ * Foundation; either version 2 of the License, or (at your option) any later
+ * version.
+ *
+ * BoxOS is distributed in the hope it will be useful, but WITHOUT ANY WARRANTY;
+ * without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+ * PARTICULAR PURPOSE. See the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * BoxOS; if not, see <https://www.gnu.org/licenses/>.
+ */
+
+.section .text
+
+# FIXME: this causes GP faults under certain conditions
+.global __chkstk
+__chkstk:
+        ret
diff --git a/bootstrap/stage1/arch/x86_64/asm/entry.s b/bootstrap/stage1/arch/x86_64/asm/entry.s
new file mode 100644
index 0000000..05797ca
--- /dev/null
+++ b/bootstrap/stage1/arch/x86_64/asm/entry.s
@@ -0,0 +1,25 @@
+/*
+ * Copyright (C) 2025 Danny Holman <dholman@gymli.org>
+ *
+ * This file is part of BoxOS, a free and open-source Unix-like operating
+ * system.
+ *
+ * BoxOS is free software; you can redistribute it and/or modify under the
+ * terms of the GNU General Public License as published by the Free Software
+ * Foundation; either version 2 of the License, or (at your option) any later
+ * version.
+ *
+ * BoxOS is distributed in the hope it will be useful, but WITHOUT ANY WARRANTY;
+ * without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+ * PARTICULAR PURPOSE. See the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * BoxOS; if not, see <https://www.gnu.org/licenses/>.
+ */
+
+.section .text
+
+.global _start
+_start:
+        call efi_main
+        ret