4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync#------------------------------------------------------------------------------
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync#
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync# Copyright (c) 2006 - 2008, Intel Corporation. All rights reserved.<BR>
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync# This program and the accompanying materials
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync# are licensed and made available under the terms and conditions of the BSD License
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync# which accompanies this distribution. The full text of the license may be found at
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync# http://opensource.org/licenses/bsd-license.php.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync#
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync#
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync# Module Name:
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync#
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync# CpuId.S
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync#
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync# Abstract:
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync#
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync# AsmCpuid function
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync#
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync# Notes:
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync#
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync#------------------------------------------------------------------------------
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync#------------------------------------------------------------------------------
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync# VOID
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync# EFIAPI
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync# AsmCpuid (
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync# IN UINT32 RegisterInEax,
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync# OUT UINT32 *RegisterOutEax OPTIONAL,
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync# OUT UINT32 *RegisterOutEbx OPTIONAL,
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync# OUT UINT32 *RegisterOutEcx OPTIONAL,
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync# OUT UINT32 *RegisterOutEdx OPTIONAL
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync# )
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync#------------------------------------------------------------------------------
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsyncASM_GLOBAL ASM_PFX(AsmCpuid)
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsyncASM_PFX(AsmCpuid):
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync push %rbx
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync mov %ecx, %eax
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync push %rax # save Index on stack
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync push %rdx
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync cpuid
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync test %r9, %r9
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync jz L1
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync mov %ecx, (%r9)
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsyncL1:
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync pop %rcx
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync jrcxz L2
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync mov %eax, (%rcx)
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsyncL2:
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync mov %r8, %rcx
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync jrcxz L3
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync mov %ebx, (%rcx)
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsyncL3:
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync mov 0x38(%rsp), %rcx
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync jrcxz L4
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync mov %edx, (%rcx)
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsyncL4:
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync pop %rax # restore Index to rax as return value
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync pop %rbx
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync ret