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From 013ef7679a573b3b3454f914f3a7f865991db9f2 Mon Sep 17 00:00:00 2001
From: Matt Fleming <matt.fleming@intel.com>
Date: Fri, 21 Jun 2013 07:13:16 +0000
Subject: efi: Export __bcopyxx_len
We need to provide a __bcopyxx_len symbol for EFI because it's
referenced in generic code in libcom32.c32. Without this change,
libcom32.c32 will fail to load under EFI.
Signed-off-by: Matt Fleming <matt.fleming@intel.com>
---
diff --git a/core/include/core.h b/core/include/core.h
index 5736d39..127ac65 100644
--- a/core/include/core.h
+++ b/core/include/core.h
@@ -26,6 +26,7 @@ extern char cmd_line[];
extern char ConfigFile[];
extern char syslinux_banner[];
extern char copyright_str[];
+extern unsigned int __bcopyxx_len;
/*
* Mark symbols that are only used by BIOS as __weak until we can move
@@ -35,7 +36,6 @@ extern char copyright_str[];
extern __weak uint16_t BIOSName;
extern __weak char KernelName[];
extern __weak char StackBuf[];
-extern __weak unsigned int __bcopyxx_len;
extern uint8_t KbdMap[256];
diff --git a/efi/main.c b/efi/main.c
index 438e88c..51ff9f3 100644
--- a/efi/main.c
+++ b/efi/main.c
@@ -153,6 +153,7 @@ void pxenv(void)
uint16_t BIOS_fbm = 1;
far_ptr_t InitStack;
far_ptr_t PXEEntry;
+__export unsigned int __bcopyxx_len = 0;
void gpxe_unload(void)
{
--
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