| e1f414b6 |
1 | //\r |
| 2 | // Include common header file for this module.\r |
| 3 | //\r |
| 4 | #include "CommonHeader.h"\r |
| 5 | \r |
| 6 | #------------------------------------------------------------------------------\r |
| 7 | #\r |
| 8 | # Copyright (c) 2006, Intel Corporation\r |
| 9 | # All rights reserved. This program and the accompanying materials\r |
| 10 | # are licensed and made available under the terms and conditions of the BSD License\r |
| 11 | # which accompanies this distribution. The full text of the license may be found at\r |
| 12 | # http://opensource.org/licenses/bsd-license.php\r |
| 13 | #\r |
| 14 | # THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r |
| 15 | # WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r |
| 16 | #\r |
| 17 | # Module Name:\r |
| 18 | #\r |
| 19 | # CpuId.Asm\r |
| 20 | #\r |
| 21 | # Abstract:\r |
| 22 | #\r |
| 23 | # AsmCpuid function\r |
| 24 | #\r |
| 25 | # Notes:\r |
| 26 | #\r |
| 27 | #------------------------------------------------------------------------------\r |
| 28 | \r |
| 29 | .globl ASM_PFX(AsmCpuid)\r |
| 30 | \r |
| 31 | #------------------------------------------------------------------------------\r |
| 32 | # VOID\r |
| 33 | # EFIAPI\r |
| 34 | # AsmCpuid (\r |
| 35 | # IN UINT32 RegisterInEax,\r |
| 36 | # OUT UINT32 *RegisterOutEax OPTIONAL,\r |
| 37 | # OUT UINT32 *RegisterOutEbx OPTIONAL,\r |
| 38 | # OUT UINT32 *RegisterOutEcx OPTIONAL,\r |
| 39 | # OUT UINT32 *RegisterOutEdx OPTIONAL\r |
| 40 | # )\r |
| 41 | #------------------------------------------------------------------------------\r |
| 42 | ASM_PFX(AsmCpuid):\r |
| 43 | push %ebx\r |
| 44 | push %ebp\r |
| 45 | movl %esp, %ebp\r |
| 46 | movl 12(%ebp), %eax\r |
| 47 | cpuid\r |
| 48 | push %ecx\r |
| 49 | movl 16(%ebp), %ecx\r |
| 50 | jecxz L1\r |
| 51 | movl %eax, (%ecx)\r |
| 52 | L1:\r |
| 53 | movl 20(%ebp), %ecx\r |
| 54 | jecxz L2\r |
| 55 | movl %ebx, (%ecx)\r |
| 56 | L2:\r |
| 57 | movl 24(%ebp), %ecx\r |
| 58 | jecxz L3\r |
| 59 | popl (%ecx)\r |
| 60 | L3:\r |
| 61 | movl 28(%ebp), %ecx\r |
| 62 | jecxz L4\r |
| 63 | movl %edx, (%ecx)\r |
| 64 | L4:\r |
| 65 | movl 12(%ebp), %eax\r |
| 66 | leave\r |
| 67 | pop %ebx\r |
| 68 | ret\r |
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