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Diffstat (limited to 'UnixPkg/Sec/Ia32/SwitchStack.c')
| -rw-r--r-- | UnixPkg/Sec/Ia32/SwitchStack.c | 98 |
1 files changed, 0 insertions, 98 deletions
diff --git a/UnixPkg/Sec/Ia32/SwitchStack.c b/UnixPkg/Sec/Ia32/SwitchStack.c deleted file mode 100644 index cf5f364..0000000 --- a/UnixPkg/Sec/Ia32/SwitchStack.c +++ /dev/null @@ -1,98 +0,0 @@ -/*++ - -Copyright (c) 2006 - 2010, Intel Corporation. All rights reserved.<BR> -Portions copyright (c) 2008 - 2009, Apple Inc. All rights reserved.<BR> -This program and the accompanying materials -are licensed and made available under the terms and conditions of the BSD License -which accompanies this distribution. The full text of the license may be found at -http://opensource.org/licenses/bsd-license.php - -THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, -WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. - -Module Name: - - SecMain.c - -Abstract: - Unix emulator of SEC phase. It's really a Posix application, but this is - Ok since all the other modules for NT32 are NOT Posix applications. - - This program processes host environment variables and figures out - what the memory layout will be, how may FD's will be loaded and also - what the boot mode is. - - The SEC registers a set of services with the SEC core. gPrivateDispatchTable - is a list of PPI's produced by the SEC that are availble for usage in PEI. - - This code produces 128 K of temporary memory for the PEI stack by opening a - host file and mapping it directly to memory addresses. - - The system.cmd script is used to set host environment variables that drive - the configuration opitons of the SEC. - ---*/ - -#include "SecMain.h" - - -/** - Transfers control to a function starting with a new stack. - - Transfers control to the function specified by EntryPoint using the new stack - specified by NewStack and passing in the parameters specified by Context1 and - Context2. Context1 and Context2 are optional and may be NULL. The function - EntryPoint must never return. - - If EntryPoint is NULL, then ASSERT(). - If NewStack is NULL, then ASSERT(). - - @param EntryPoint A pointer to function to call with the new stack. - @param Context1 A pointer to the context to pass into the EntryPoint - function. - @param Context2 A pointer to the context to pass into the EntryPoint - function. - @param NewStack A pointer to the new stack to use for the EntryPoint - function. - @param NewBsp A pointer to the new BSP for the EntryPoint on IPF. It's - Reserved on other architectures. - -**/ -VOID -EFIAPI -PeiSwitchStacks ( - IN SWITCH_STACK_ENTRY_POINT EntryPoint, - IN VOID *Context1, OPTIONAL - IN VOID *Context2, OPTIONAL - IN VOID *Context3, OPTIONAL - IN VOID *NewStack - ) -{ - BASE_LIBRARY_JUMP_BUFFER JumpBuffer; - - ASSERT (EntryPoint != NULL); - ASSERT (NewStack != NULL); - - // - // Stack should be aligned with CPU_STACK_ALIGNMENT - // - ASSERT (((UINTN)NewStack & (CPU_STACK_ALIGNMENT - 1)) == 0); - - JumpBuffer.Eip = (UINTN)EntryPoint; - JumpBuffer.Esp = (UINTN)NewStack - sizeof (VOID*); - JumpBuffer.Esp -= sizeof (Context1) + sizeof (Context2) + sizeof(Context3); - ((VOID**)JumpBuffer.Esp)[1] = Context1; - ((VOID**)JumpBuffer.Esp)[2] = Context2; - ((VOID**)JumpBuffer.Esp)[3] = Context3; - - LongJump (&JumpBuffer, (UINTN)-1); - - - // - // InternalSwitchStack () will never return - // - ASSERT (FALSE); -} - - - |