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x86: avoid high BIOS area when allocating address space
[firefly-linux-kernel-4.4.55.git]
/
arch
/
x86
/
include
/
asm
/
e820.h
diff --git
a/arch/x86/include/asm/e820.h
b/arch/x86/include/asm/e820.h
index 5be1542fbfaf73bfccd03a101e94a1cca47d36b0..e99d55d74df5023d72b763ca244c9d17bbd1dd53 100644
(file)
--- a/
arch/x86/include/asm/e820.h
+++ b/
arch/x86/include/asm/e820.h
@@
-72,6
+72,9
@@
struct e820map {
#define BIOS_BEGIN 0x000a0000
#define BIOS_END 0x00100000
+#define BIOS_ROM_BASE 0xffe00000
+#define BIOS_ROM_END 0xffffffff
+
#ifdef __KERNEL__
/* see comment in arch/x86/kernel/e820.c */
extern struct e820map e820;