#------------------------------------------------------------------------------ # # Copyright (c) 2006 - 2012, 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: # # CpuIdEx.S # # Abstract: # # AsmCpuidEx function # # Notes: # #------------------------------------------------------------------------------ .code: #------------------------------------------------------------------------------ # UINT32 # EFIAPI # AsmCpuidEx ( # IN UINT32 RegisterInEax, # IN UINT32 RegisterInEcx, # OUT UINT32 *RegisterOutEax OPTIONAL, # OUT UINT32 *RegisterOutEbx OPTIONAL, # OUT UINT32 *RegisterOutEcx OPTIONAL, # OUT UINT32 *RegisterOutEdx OPTIONAL # ) #------------------------------------------------------------------------------ ASM_GLOBAL ASM_PFX(AsmCpuidEx) ASM_PFX(AsmCpuidEx): push %ebx push %ebp movl %esp, %ebp movl 12(%ebp), %eax movl 16(%ebp), %ecx cpuid push %ecx movl 20(%ebp), %ecx jecxz L1 movl %eax, (%ecx) L1: movl 24(%ebp), %ecx jecxz L2 movl %ebx, (%ecx) L2: movl 32(%ebp), %ecx jecxz L3 movl %edx, (%ecx) L3: movl 28(%ebp), %ecx jecxz L4 popl (%ecx) L4: movl 12(%ebp), %eax leave pop %ebx ret