Coreboot*Pkg: Retire CorebootPayloadPkg and CorebootModulePkg

[mirror_edk2.git] / CorebootModulePkg / SecCore / Ia32 / Stack.nasm

diff --git a/CorebootModulePkg/SecCore/Ia32/Stack.nasm b/CorebootModulePkg/SecCore/Ia32/Stack.nasm
deleted file mode 100644 (file)
index 55fd224..0000000
--- a/CorebootModulePkg/SecCore/Ia32/Stack.nasm
+++ /dev/null
@@ -1,72 +0,0 @@
-;------------------------------------------------------------------------------\r
-;\r
-; Copyright (c) 2015 - 2016, Intel Corporation. All rights reserved.<BR>\r
-; SPDX-License-Identifier: BSD-2-Clause-Patent\r
-;\r
-; Abstract:\r
-;\r
-;   Switch the stack from temporary memory to permanent memory.\r
-;\r
-;------------------------------------------------------------------------------\r
-\r
-SECTION .text\r
-\r
-;------------------------------------------------------------------------------\r
-; VOID\r
-; EFIAPI\r
-; SecSwitchStack (\r
-;   UINT32   TemporaryMemoryBase,\r
-;   UINT32   PermenentMemoryBase\r
-;   );\r
-;------------------------------------------------------------------------------\r
-global ASM_PFX(SecSwitchStack)\r
-ASM_PFX(SecSwitchStack):\r
-    ;\r
-    ; Save three register: eax, ebx, ecx\r
-    ;\r
-    push  eax\r
-    push  ebx\r
-    push  ecx\r
-    push  edx\r
-\r
-    ;\r
-    ; !!CAUTION!! this function address's is pushed into stack after\r
-    ; migration of whole temporary memory, so need save it to permanent\r
-    ; memory at first!\r
-    ;\r
-\r
-    mov   ebx,  [esp + 20]          ; Save the first parameter\r
-    mov   ecx,  [esp + 24]          ; Save the second parameter\r
-\r
-    ;\r
-    ; Save this function's return address into permanent memory at first.\r
-    ; Then, Fixup the esp point to permanent memory\r
-    ;\r
-    mov   eax,  esp\r
-    sub   eax,  ebx\r
-    add   eax,  ecx\r
-    mov   edx,  [esp]               ; copy pushed register's value to permanent memory\r
-    mov   [eax], edx\r
-    mov   edx,  [esp + 4]\r
-    mov   [eax + 4], edx\r
-    mov   edx,  [esp + 8]\r
-    mov   [eax + 8], edx\r
-    mov   edx,  [esp + 12]\r
-    mov   [eax + 12], edx\r
-    mov   edx,  [esp + 16]          ; Update return address into permanent memory\r
-    mov   [eax + 16], edx\r
-    mov   esp,  eax                 ; From now, esp is pointed to permanent memory\r
-\r
-    ;\r
-    ; Fixup the ebp point to permanent memory\r
-    ;\r
-    mov   eax,  ebp\r
-    sub   eax,  ebx\r
-    add   eax,  ecx\r
-    mov   ebp,  eax                 ; From now, ebp is pointed to permanent memory\r
-\r
-    pop   edx\r
-    pop   ecx\r
-    pop   ebx\r
-    pop   eax\r
-    ret\r