| #------------------------------------------------------------------------------ | |
| # | |
| # Copyright (c) 2006, Intel Corporation | |
| # All rights reserved. This program and the accompanying materials | |
| # are licensed and made available under the terms and conditions of the BSD License | |
| # which accompanies this distribution. The full text of the license may be found at | |
| # http://opensource.org/licenses/bsd-license.php | |
| # | |
| # THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, | |
| # WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. | |
| # | |
| # Module Name: | |
| # | |
| # CpuId.Asm | |
| # | |
| # Abstract: | |
| # | |
| # AsmCpuid function | |
| # | |
| # Notes: | |
| # | |
| #------------------------------------------------------------------------------ | |
| #------------------------------------------------------------------------------ | |
| # VOID | |
| # EFIAPI | |
| # AsmCpuid ( | |
| # IN UINT32 RegisterInEax, | |
| # OUT UINT32 *RegisterOutEax OPTIONAL, | |
| # OUT UINT32 *RegisterOutEbx OPTIONAL, | |
| # OUT UINT32 *RegisterOutEcx OPTIONAL, | |
| # OUT UINT32 *RegisterOutEdx OPTIONAL | |
| # ) | |
| #------------------------------------------------------------------------------ | |
| .globl _AsmCpuid | |
| _AsmCpuid: | |
| push %ebx | |
| push %edi | |
| movl 12(%esp),%eax | |
| cpuid | |
| movl %ecx,%edi | |
| movl 16(%esp),%ecx | |
| jecxz L1 | |
| movl %eax,(%ecx) | |
| L1: | |
| movl 20(%esp),%ecx | |
| jecxz L2 | |
| movl %ebx,(%ecx) | |
| L2: | |
| movl 24(%esp),%ecx | |
| jecxz L3 | |
| movl %edi,(%ecx) | |
| L3: | |
| movl 28(%esp),%ecx | |
| jecxz L4 | |
| movl %edx,(%ecx) | |
| L4: | |
| pop %edi | |
| pop %ebx | |
| ret |