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| author | Kyösti Mälkki <kyosti.malkki@gmail.com> | 2019-08-28 20:52:37 +0300 |
|---|---|---|
| committer | Aaron Durbin <adurbin@chromium.org> | 2019-08-29 14:02:58 +0000 |
| commit | 5cbaba48e6e5c61b55fe01b2b14445e9bce21e45 (patch) | |
| tree | 997f741344ff3f1d27972a6890ac197127b58b7c | |
| parent | afec0716eeeb28677c223b69407269ebbdc0d2cb (diff) | |
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>
| -rw-r--r-- | src/arch/x86/assembly_entry.S | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/src/arch/x86/assembly_entry.S b/src/arch/x86/assembly_entry.S index 0ac59edb4a..bdecebe5bf 100644 --- a/src/arch/x86/assembly_entry.S +++ b/src/arch/x86/assembly_entry.S @@ -41,6 +41,7 @@ _start: movl $(_car_global_end), %ecx movl $(_car_global_start), %edi sub %edi, %ecx + shrl $2, %ecx rep stosl #if ((ENV_VERSTAGE && CONFIG(VERSTAGE_DEBUG_SPINLOOP)) \ |