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3 Commits

Author SHA1 Message Date
H. Peter Anvin
9f259cc59b x86 setup: set %ebx == %ebp == %edi == 0 on protected mode entry 
In accordance with the newly formalized 32-bit boot protocol, set
%ebx == %ebp == %edi == 0 in order to support future extensions to the
protocol.

Signed-off-by: H. Peter Anvin <hpa@zytor.com>
 2007-11-04 19:48:04 -08:00
H. Peter Anvin
7ed192906a x86 setup: add a near jump to serialize %cr0 on 386/486 
The 386 and 486 needs a jump immediately after setting %cr0 in order
to serialize the pipeline.

Signed-off-by: H. Peter Anvin <hpa@zytor.com>
 2007-11-04 19:47:46 -08:00
Thomas Gleixner
96ae6ea0be i386: move boot 
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
 2007-10-11 11:16:45 +02:00