--- /dev/null
+;------------------------------------------------------------------------------\r
+;\r
+; Copyright (c) 2014, Intel Corporation. All rights reserved.<BR>\r
+; This program and the accompanying materials\r
+; are licensed and made available under the terms and conditions of the BSD License\r
+; which accompanies this distribution. The full text of the license may be found at\r
+; http://opensource.org/licenses/bsd-license.php.\r
+;\r
+; THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r
+; WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r
+;\r
+; Module Name:\r
+;\r
+; PeiCoreEntry.asm\r
+;\r
+; Abstract:\r
+;\r
+; Find and call SecStartup\r
+;\r
+;------------------------------------------------------------------------------\r
+\r
+.686p\r
+.xmm\r
+.model flat, c\r
+.code\r
+\r
+EXTRN SecStartup:NEAR\r
+EXTRN PlatformInit:NEAR\r
+\r
+CallPeiCoreEntryPoint PROC PUBLIC\r
+ ;\r
+ ; Obtain the hob list pointer\r
+ ;\r
+ mov eax, [esp+4]\r
+ ;\r
+ ; Obtain the stack information\r
+ ; ECX: start of range\r
+ ; EDX: end of range\r
+ ;\r
+ mov ecx, [esp+8]\r
+ mov edx, [esp+0Ch]\r
+\r
+ ;\r
+ ; Platform init\r
+ ;\r
+ pushad\r
+ push edx\r
+ push ecx\r
+ push eax\r
+ call PlatformInit\r
+ pop eax\r
+ pop eax\r
+ pop eax\r
+ popad\r
+\r
+ ;\r
+ ; Set stack top pointer\r
+ ;\r
+ mov esp, edx\r
+\r
+ ;\r
+ ; Push the hob list pointer\r
+ ;\r
+ push eax\r
+\r
+ ;\r
+ ; Save the value\r
+ ; ECX: start of range\r
+ ; EDX: end of range\r
+ ;\r
+ mov ebp, esp\r
+ push ecx\r
+ push edx\r
+\r
+ ;\r
+ ; Push processor count to stack first, then BIST status (AP then BSP)\r
+ ;\r
+ mov eax, 1\r
+ cpuid\r
+ shr ebx, 16\r
+ and ebx, 0000000FFh\r
+ cmp bl, 1\r
+ jae PushProcessorCount\r
+\r
+ ;\r
+ ; Some processors report 0 logical processors. Effectively 0 = 1.\r
+ ; So we fix up the processor count\r
+ ;\r
+ inc ebx\r
+\r
+PushProcessorCount:\r
+ push ebx\r
+\r
+ ;\r
+ ; We need to implement a long-term solution for BIST capture. For now, we just copy BSP BIST\r
+ ; for all processor threads\r
+ ;\r
+ xor ecx, ecx\r
+ mov cl, bl\r
+PushBist:\r
+ movd eax, mm0\r
+ push eax\r
+ loop PushBist\r
+\r
+ ; Save Time-Stamp Counter\r
+ movd eax, mm5\r
+ push eax\r
+\r
+ movd eax, mm6\r
+ push eax\r
+\r
+ ;\r
+ ; Pass entry point of the PEI core\r
+ ;\r
+ mov edi, 0FFFFFFE0h\r
+ push DWORD PTR ds:[edi]\r
+\r
+ ;\r
+ ; Pass BFV into the PEI Core\r
+ ;\r
+ mov edi, 0FFFFFFFCh\r
+ push DWORD PTR ds:[edi]\r
+\r
+ ;\r
+ ; Pass stack size into the PEI Core\r
+ ;\r
+ mov ecx, [ebp - 4]\r
+ mov edx, [ebp - 8]\r
+ push ecx ; RamBase\r
+\r
+ sub edx, ecx\r
+ push edx ; RamSize\r
+\r
+ ;\r
+ ; Pass Control into the PEI Core\r
+ ;\r
+ call SecStartup\r
+CallPeiCoreEntryPoint ENDP\r
+\r
+END\r