| /* SPDX-License-Identifier: GPL-2.0-only */ |
| |
| #if ENV_SEPARATE_DATA_AND_BSS |
| |
| /* |
| * Copy .data section content to Cache-As-Ram. |
| * This code can be included from 32 bits or 64 bits code. It also preserves |
| * registers. |
| */ |
| copy_data_section: |
| #if ENV_X86_64 |
| push %rcx |
| push %rdi |
| push %rsi |
| #else |
| pushl %ecx |
| pushl %edi |
| pushl %esi |
| #endif |
| |
| movl $(_edata), %ecx |
| movl $(_data), %edi |
| sub %edi, %ecx |
| movl $(_data_load),%esi |
| shrl $2, %ecx |
| rep movsl |
| |
| #if ENV_X86_64 |
| pop %rsi |
| pop %rdi |
| pop %rcx |
| #else |
| popl %esi |
| popl %edi |
| popl %ecx |
| #endif |
| |
| #endif /* ENV_SEPARATE_DATA_AND_BSS */ |
