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;