Alexander van Heukelum wrote:
arch/x86/kernel/head64.c | 45 +++++++++++++++++++++++++++------------------
1 files changed, 27 insertions(+), 18 deletions(-)
diff --git a/arch/x86/kernel/head64.c b/arch/x86/kernel/head64.c
index 38f32e7..b684552 100644
--- a/arch/x86/kernel/head64.c
+++ b/arch/x86/kernel/head64.c
@@ -49,33 +49,42 @@ static void __init copy_bootdata(char *real_mode_data)
}
}
-#define EBDA_ADDR_POINTER 0x40E
+#define BIOS_EBDA_SEGMENT 0x40E
+#define BIOS_LOWMEM_KILOBYTES 0x413
Linus has specific comments in the 32-bit code that states we do not
want to use address 0x413 for anything - if nothing else because it's
often lowered when there is boottime code involved like CD-ROM booting
or PXE.
Either way, the code should be shared between 32 and 64 bits. There is
nothing bitsize-specific about it!
-hpa
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