From: Simon Glass <sjg@chromium.org>
Date: Sat, 11 Jan 2025 00:00:21 +0000 (-0700)
Subject: x86: Support jumping to a UPL image
X-Git-Tag: v2025.04-rc1~27^2~8
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=9d5072bb1d965b0077ff0a1f73adcc5b5e033099;p=pandora-u-boot.git

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 b37f42f5db6..0827a884b1d 100644
--- a/arch/x86/lib/bootm.c
+++ b/arch/x86/lib/bootm.c
@@ -259,3 +259,14 @@ int do_bootm_linux(int flag, struct bootm_info *bmi)
 
 	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;
+}