summaryrefslogtreecommitdiff
path: root/src
diff options
context:
space:
mode:
Diffstat (limited to 'src')
-rw-r--r--src/soc/amd/picasso/bootblock/pre_c.S9
1 files changed, 9 insertions, 0 deletions
diff --git a/src/soc/amd/picasso/bootblock/pre_c.S b/src/soc/amd/picasso/bootblock/pre_c.S
index 83e5491cd5..6fae1ed1cb 100644
--- a/src/soc/amd/picasso/bootblock/pre_c.S
+++ b/src/soc/amd/picasso/bootblock/pre_c.S
@@ -23,6 +23,15 @@ bootblock_resume_entry:
bootblock_pre_c_entry:
post_code(0xa0)
+ /* Clear .bss section */
+ cld
+ xor %eax, %eax
+ movl $(_ebss), %ecx
+ movl $(_bss), %edi
+ sub %edi, %ecx
+ shrl $2, %ecx
+ rep stosl
+
movl $_eearlyram_stack, %esp
/* Align the stack and keep aligned for call to bootblock_c_entry() */