diff options
Diffstat (limited to 'src/arch/x86/assembly_entry.S')
| -rw-r--r-- | src/arch/x86/assembly_entry.S | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/src/arch/x86/assembly_entry.S b/src/arch/x86/assembly_entry.S index 869acc84e2fc..9a9a0465dc1d 100644 --- a/src/arch/x86/assembly_entry.S +++ b/src/arch/x86/assembly_entry.S @@ -33,8 +33,8 @@ _start: /* reset stack pointer to CAR/EARLYRAM stack */ mov $_STACK_TOP, %esp +#if ENV_SEPARATE_DATA_AND_BSS /* clear .bss section as it is not shared */ -#if ENV_SEPARATE_BSS cld xor %eax, %eax movl $(_ebss), %ecx @@ -42,6 +42,14 @@ _start: sub %edi, %ecx shrl $2, %ecx rep stosl + + /* Copy .data section content to Cache-As-Ram */ + movl $(_edata), %ecx + movl $(_data), %edi + sub %edi, %ecx + shrl $2, %ecx + movl $(_data_load),%esi + rep movsl #endif #if ((ENV_SEPARATE_VERSTAGE && CONFIG(VERSTAGE_DEBUG_SPINLOOP)) \ |