UnixPkg: Remove UnixPkg files (It is replaced by EmulatorPkg)

[mirror_edk2.git] / UnixPkg / Library / UnixBaseLib / X64 / DisablePaging64.S

diff --git a/UnixPkg/Library/UnixBaseLib/X64/DisablePaging64.S b/UnixPkg/Library/UnixBaseLib/X64/DisablePaging64.S
deleted file mode 100644 (file)
index 676e9e1..0000000
--- a/UnixPkg/Library/UnixBaseLib/X64/DisablePaging64.S
+++ /dev/null
@@ -1,82 +0,0 @@
-#------------------------------------------------------------------------------\r
-#\r
-# Copyright (c) 2006 - 2009, 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
-#   DisablePaging64.S\r
-#\r
-# Abstract:\r
-#\r
-#   AsmDisablePaging64 function\r
-#\r
-# Notes:\r
-#\r
-#------------------------------------------------------------------------------\r
-\r
-    \r
-\r
-#------------------------------------------------------------------------------\r
-# VOID\r
-# EFIAPI\r
-# InternalX86DisablePaging64 (\r
-#   IN      UINT16                    Cs,\r
-#   IN      UINT32                    EntryPoint,\r
-#   IN      UINT32                    Context1,  OPTIONAL\r
-#   IN      UINT32                    Context2,  OPTIONAL\r
-#   IN      UINT32                    NewStack\r
-#   );\r
-#------------------------------------------------------------------------------\r
-\r
-ASM_GLOBAL ASM_PFX(InternalX86DisablePaging64)\r
-ASM_PFX(InternalX86DisablePaging64):\r
-    cli    \r
-    lea    L1(%rip), %rsi                 # rsi <- The start address of transition code\r
-    mov    0x28(%rsp), %edi               # rdi <- New stack\r
-    lea    _mTransitionEnd(%rip), %rax    # rax <- end of transition code\r
-    sub    %rsi, %rax                     # rax <- The size of transition piece code\r
-    add    $4, %rax                       # round rax up to the next 4 byte boundary\r
-    and    $0xfc, %al\r
-    sub    %rax, %rdi                     # rdi <- use stack to hold transition code \r
-    mov    %edi, %r10d                    # r10 <- The start address of transicition code below 4G\r
-    push   %rcx                           # save rcx to stack\r
-    mov    %rax, %rcx                     # rcx <- The size of transition piece code\r
-    rep\r
-    movsb                                 # copy transition code to (new stack - 64byte) below 4G\r
-    pop    %rcx                           # restore rcx\r
-   \r
-    mov    %r8d, %esi \r
-    mov    %r9d, %edi \r
-    mov    %r10d, %eax\r
-    sub    $4, %eax\r
-    push   %rcx                           # push Cs to stack\r
-    push   %r10                           # push address of transition code on stack  \r
-    .byte  0x48, 0xcb                     # retq: Use far return to load CS register from stack\r
-                                          # (Use raw byte code since some GNU assemblers generates incorrect code for "retq")  \r
-L1:\r
-    mov    %eax,%esp                      # set up new stack\r
-    mov    %cr0,%rax\r
-    btr    $0x1f,%eax                     # clear CR0.PG\r
-    mov    %rax,%cr0                      # disable paging\r
-\r
-    mov    %edx,%ebx                      # save EntryPoint to ebx, for rdmsr will overwrite edx\r
-    mov    $0xc0000080,%ecx\r
-    rdmsr  \r
-    and    $0xfe,%ah                      # clear LME\r
-    wrmsr  \r
-    mov    %cr4,%rax\r
-    and    $0xdf,%al                      # clear PAE\r
-    mov    %rax,%cr4\r
-    push   %rdi                           # push Context2\r
-    push   %rsi                           # push Context1\r
-    callq  *%rbx                          # transfer control to EntryPoint\r
-    jmp    .                              # no one should get here\r
-\r
-_mTransitionEnd :\r