import the U-Boot code and make it compile

1 files changed, 35 insertions, 0 deletions

diff --git a/arch/sandbox/include/asm/setjmp.h b/arch/sandbox/include/asm/setjmp.h
new file mode 100644
index 0000000..001c7ea
--- /dev/null
+++ b/arch/sandbox/include/asm/setjmp.h
@@ -0,0 +1,35 @@
+/* SPDX-License-Identifier: GPL-2.0+ */
+/*
+ * (C) 2018 Google, Inc
+ * Written by Simon Glass <sjg@chromium.org>
+ */
+
+#ifndef _SETJMP_H_
+#define _SETJMP_H_
+
+struct jmp_buf_data {
+	/*
+	 * We're not sure how long this should be:
+	 *
+	 *   amd64: 200 bytes
+	 *   arm64: 392 bytes
+	 *   armhf: 392 bytes
+	 *
+	 * So allow space for all of those, plus some extra.
+	 * We don't need to worry about 16-byte alignment, since this does not
+	 * run on Windows.
+	 */
+	ulong data[128];
+};
+
+typedef struct jmp_buf_data jmp_buf[1];
+
+/*
+ * We have to directly link with the system versions of
+ * setjmp/longjmp, because setjmp must not return as otherwise
+ * the stack may become invalid.
+ */
+int setjmp(jmp_buf jmp);
+__noreturn void longjmp(jmp_buf jmp, int ret);
+
+#endif /* _SETJMP_H_ */