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arch/x86: Fix clearing .bss section 

Using stosl clears 4 bytes at a time.

Change-Id: Ie54fcfcb7e5a2a5a88d988476aa69b2a163e919c
Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/35139
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Reviewed-by: Marshall Dawson <marshalldawson3rd@gmail.com>
This commit is contained in:
Kyösti Mälkki 2019-08-28 20:52:37 +03:00 committed by Aaron Durbin
parent afec0716ee
commit 5cbaba48e6
1 changed files with 1 additions and 0 deletions
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src/arch/x86/assembly_entry.S
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@ -41,6 +41,7 @@ _start:
movl $(_car_global_end), %ecx movl $(_car_global_end), %ecx
movl $(_car_global_start), %edi movl $(_car_global_start), %edi
sub %edi, %ecx sub %edi, %ecx
shrl $2, %ecx
rep stosl rep stosl
#if ((ENV_VERSTAGE && CONFIG(VERSTAGE_DEBUG_SPINLOOP)) \ #if ((ENV_VERSTAGE && CONFIG(VERSTAGE_DEBUG_SPINLOOP)) \