1 #------------------------------------------------------------------------------ 2 # 3 # Copyright (c) 2006 - 2012, Intel Corporation. All rights reserved.<BR> 4 # This program and the accompanying materials 5 # are licensed and made available under the terms and conditions of the BSD License 6 # which accompanies this distribution. The full text of the license may be found at 7 # http://opensource.org/licenses/bsd-license.php. 8 # 9 # THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, 10 # WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. 11 # 12 # Module Name: 13 # 14 # CpuIdEx.S 15 # 16 # Abstract: 17 # 18 # AsmCpuidEx function 19 # 20 # Notes: 21 # 22 #------------------------------------------------------------------------------ 23 24 25 .code: 26 27 #------------------------------------------------------------------------------ 28 # UINT32 29 # EFIAPI 30 # AsmCpuidEx ( 31 # IN UINT32 RegisterInEax, 32 # IN UINT32 RegisterInEcx, 33 # OUT UINT32 *RegisterOutEax OPTIONAL, 34 # OUT UINT32 *RegisterOutEbx OPTIONAL, 35 # OUT UINT32 *RegisterOutEcx OPTIONAL, 36 # OUT UINT32 *RegisterOutEdx OPTIONAL 37 # ) 38 #------------------------------------------------------------------------------ 39 ASM_GLOBAL ASM_PFX(AsmCpuidEx) 40 ASM_PFX(AsmCpuidEx): 41 push %ebx 42 push %ebp 43 movl %esp, %ebp 44 movl 12(%ebp), %eax 45 movl 16(%ebp), %ecx 46 cpuid 47 push %ecx 48 movl 20(%ebp), %ecx 49 jecxz L1 50 movl %eax, (%ecx) 51 L1: 52 movl 24(%ebp), %ecx 53 jecxz L2 54 movl %ebx, (%ecx) 55 L2: 56 movl 32(%ebp), %ecx 57 jecxz L3 58 movl %edx, (%ecx) 59 L3: 60 movl 28(%ebp), %ecx 61 jecxz L4 62 popl (%ecx) 63 L4: 64 movl 12(%ebp), %eax 65 leave 66 pop %ebx 67 ret 68
