x86: Support jumping to a UPL image
Add a function to allow x86 boards to jump to a UPL images. Currently
only 32-bit entry is supported.
Signed-off-by: Simon Glass <sjg@chromium.org>
diff --git a/arch/x86/lib/bootm.c b/arch/x86/lib/bootm.c
index b37f42f..0827a88 100644
--- a/arch/x86/lib/bootm.c
+++ b/arch/x86/lib/bootm.c
@@ -259,3 +259,14 @@
return boot_jump_linux(images);
}
+
+int arch_upl_jump(ulong entry, const struct abuf *buf)
+{
+ typedef EFIAPI void (*h_func)(void *hoff);
+ h_func func;
+
+ func = (h_func)(ulong)entry;
+ func(buf->data);
+
+ return -EFAULT;
+}