From b98c2ab738c71c344c7f03ecf885fdd0a4545cdb Mon Sep 17 00:00:00 2001 From: klu2 Date: Fri, 14 Sep 2007 07:01:26 +0000 Subject: [PATCH] Add InvokePeiCore function to invoke the PeiCore in new stack. git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@3844 6f19259b-4bc3-4df7-8a09-765794883524 --- MdeModulePkg/Core/Pei/Dispatcher/Dispatcher.c | 66 ++++++++++++++++--- MdeModulePkg/Core/Pei/Dispatcher/Stack.c | 26 +------- MdeModulePkg/Core/Pei/Ipf/Stack.c | 16 +---- MdeModulePkg/Core/Pei/Ipf/SwitchStack.s | 52 --------------- MdeModulePkg/Core/Pei/PeiMain.h | 13 +++- MdeModulePkg/Core/Pei/PeiMain.inf | 1 - 6 files changed, 70 insertions(+), 104 deletions(-) delete mode 100644 MdeModulePkg/Core/Pei/Ipf/SwitchStack.s diff --git a/MdeModulePkg/Core/Pei/Dispatcher/Dispatcher.c b/MdeModulePkg/Core/Pei/Dispatcher/Dispatcher.c index 335fe9fc5d..900e1d2d50 100644 --- a/MdeModulePkg/Core/Pei/Dispatcher/Dispatcher.c +++ b/MdeModulePkg/Core/Pei/Dispatcher/Dispatcher.c @@ -29,6 +29,13 @@ TransferOldDataToNewDataRange ( IN PEI_CORE_INSTANCE *PrivateData ); +STATIC +VOID +InvokePeiCore ( + VOID *Context1, + VOID *Context2 + ); + EFI_STATUS PeiDispatcher ( IN CONST EFI_SEC_PEI_HAND_OFF *SecCoreData, @@ -59,11 +66,12 @@ Returns: { EFI_STATUS Status; PEI_CORE_TEMP_POINTERS TempPtr; - UINTN PrivateDataInMem; BOOLEAN NextFvFound; EFI_FIRMWARE_VOLUME_HEADER *NextFvAddress; EFI_FIRMWARE_VOLUME_HEADER *DefaultFvAddress; VOID *TopOfStack; + PEI_CORE_PARAMETERS PeiCoreParameters; + // // Debug data for uninstalled Peim list // @@ -205,20 +213,21 @@ Returns: // nobody else should have any data on the stack. // if (PrivateData->SwitchStackSignal) { - TempPtr.PeiCore = (PEI_CORE_ENTRY_POINT)PeiCore; - PrivateDataInMem = (UINTN) TransferOldDataToNewDataRange (PrivateData); - ASSERT (PrivateDataInMem != 0); // // Adjust the top of stack to be aligned at CPU_STACK_ALIGNMENT // TopOfStack = (VOID *)((UINTN)PrivateData->StackBase + (UINTN)PrivateData->StackSize - CPU_STACK_ALIGNMENT); TopOfStack = ALIGN_POINTER (TopOfStack, CPU_STACK_ALIGNMENT); + + PeiCoreParameters.SecCoreData = SecCoreData; + PeiCoreParameters.PpiList = NULL; + PeiCoreParameters.Data = TransferOldDataToNewDataRange (PrivateData); + ASSERT (PeiCoreParameters.Data != 0); PeiSwitchStacks ( - (SWITCH_STACK_ENTRY_POINT)(UINTN)TempPtr.Raw, - (VOID*) SecCoreData, - NULL, - (VOID*)PrivateDataInMem, + InvokePeiCore, + (VOID*) (UINTN) PeiCore, + (VOID*) &PeiCoreParameters, TopOfStack, (VOID*)(UINTN)PrivateData->StackBase ); @@ -580,4 +589,45 @@ PeiRegisterForShadow ( return EFI_SUCCESS; } +/** + This routine invoke the PeiCore's entry in new stack environment. + + @param Context1 The first context parameter is entry of PeiCore + @param Context2 The second context parameter is parameter structure point for PeiCore + +**/ +STATIC +VOID +InvokePeiCore ( + VOID *Context1, + VOID *Context2 + ) +{ + PEI_CORE_ENTRY_POINT PeiCoreEntryPoint; + PEI_CORE_PARAMETERS *PeiCoreParameters; + + // + // Running on new stack in SEC Core + // + + PeiCoreEntryPoint = (PEI_CORE_ENTRY_POINT) (UINTN) Context1; + PeiCoreParameters = (PEI_CORE_PARAMETERS *)Context2; + + // + // Call PEI Core using new stack + // + PeiCoreEntryPoint ( + PeiCoreParameters->SecCoreData, + PeiCoreParameters->PpiList, + PeiCoreParameters->Data + ); + + // + // Never returns + // + ASSERT_EFI_ERROR (FALSE); +} + + + diff --git a/MdeModulePkg/Core/Pei/Dispatcher/Stack.c b/MdeModulePkg/Core/Pei/Dispatcher/Stack.c index 551e23826c..9e74eee587 100644 --- a/MdeModulePkg/Core/Pei/Dispatcher/Stack.c +++ b/MdeModulePkg/Core/Pei/Dispatcher/Stack.c @@ -47,33 +47,9 @@ PeiSwitchStacks ( IN SWITCH_STACK_ENTRY_POINT EntryPoint, IN VOID *Context1, OPTIONAL IN VOID *Context2, OPTIONAL - IN VOID *Context3, OPTIONAL IN VOID *NewStack, IN VOID *NewBsp ) { - 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); + SwitchStack (EntryPoint, Context1, Context2, NewStack); } diff --git a/MdeModulePkg/Core/Pei/Ipf/Stack.c b/MdeModulePkg/Core/Pei/Ipf/Stack.c index 7ffdac54c7..56a876df15 100644 --- a/MdeModulePkg/Core/Pei/Ipf/Stack.c +++ b/MdeModulePkg/Core/Pei/Ipf/Stack.c @@ -16,17 +16,6 @@ #include -VOID -EFIAPI -InternalSwitchStack ( - IN SWITCH_STACK_ENTRY_POINT EntryPoint, - IN VOID *Context1, OPTIONAL - IN VOID *Context2, OPTIONAL - IN VOID *Context3, OPTIONAL - IN VOID *NewStack, - IN VA_LIST Marker - ); - /** Transfers control to a function starting with a new stack. @@ -55,18 +44,15 @@ PeiSwitchStacks ( IN SWITCH_STACK_ENTRY_POINT EntryPoint, IN VOID *Context1, OPTIONAL IN VOID *Context2, OPTIONAL - IN VOID *Context3, OPTIONAL IN VOID *NewStack, IN VOID *NewBsp ) { - InternalSwitchStack( + SwitchStack ( EntryPoint, Context1, Context2, - Context3, NewStack, NewBsp ); - } diff --git a/MdeModulePkg/Core/Pei/Ipf/SwitchStack.s b/MdeModulePkg/Core/Pei/Ipf/SwitchStack.s deleted file mode 100644 index 2f20703913..0000000000 --- a/MdeModulePkg/Core/Pei/Ipf/SwitchStack.s +++ /dev/null @@ -1,52 +0,0 @@ -/// @file -/// IPF specific SwitchStack() function -/// -/// Copyright (c) 2006, Intel Corporation -/// All rights reserved. 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: SwitchStack.s -/// -/// - -.auto -.text - -.proc IpfAsmSwitchStack -.type IpfAsmSwitchStack, @function -.regstk 6, 0, 0, 0 -IpfAsmSwitchStack:: - mov r14 = ar.rsc - movl r2 = ~((((1 << 14) - 1) << 16) | 3) - - mov r17 = in1 - mov r18 = in2 - mov r19 = in3 - and r2 = r14, r2 - - mov ar.rsc = r2 - mov sp = in4 - mov r20 = in5 - - ld8.nt1 r16 = [in0], 8 - ld8.nta gp = [in0] - mov r3 = -1 - - loadrs - mov ar.bspstore = r20 - mov b7 = r16 - - alloc r2 = ar.pfs, 0, 0, 3, 0 - mov out0 = r17 - mov out1 = r18 - mov out2 = r19 - - mov ar.rnat = r3 - mov ar.rsc = r14 - br.call.sptk.many b0 = b7 -.endp IpfAsmSwitchStack diff --git a/MdeModulePkg/Core/Pei/PeiMain.h b/MdeModulePkg/Core/Pei/PeiMain.h index b4d2462116..50fd40a00e 100644 --- a/MdeModulePkg/Core/Pei/PeiMain.h +++ b/MdeModulePkg/Core/Pei/PeiMain.h @@ -153,8 +153,9 @@ typedef struct{ typedef EFI_STATUS (EFIAPI *PEI_CORE_ENTRY_POINT)( - IN EFI_PEI_STARTUP_DESCRIPTOR *PeiStartupDescriptor, - IN PEI_CORE_INSTANCE *OldCoreData + IN CONST EFI_SEC_PEI_HAND_OFF *SecCoreData, + IN CONST EFI_PEI_PPI_DESCRIPTOR *PpiList, + IN PEI_CORE_INSTANCE *OldCoreData ); // @@ -171,6 +172,13 @@ typedef union { } PEI_CORE_TEMP_POINTERS; + +typedef struct { + CONST EFI_SEC_PEI_HAND_OFF *SecCoreData; + EFI_PEI_PPI_DESCRIPTOR *PpiList; + VOID *Data; +} PEI_CORE_PARAMETERS; + // // PeiCore function // @@ -1209,7 +1217,6 @@ PeiSwitchStacks ( IN SWITCH_STACK_ENTRY_POINT EntryPoint, IN VOID *Context1, OPTIONAL IN VOID *Context2, OPTIONAL - IN VOID *Context3, OPTIONAL IN VOID *NewStack, IN VOID *NewBsp ); diff --git a/MdeModulePkg/Core/Pei/PeiMain.inf b/MdeModulePkg/Core/Pei/PeiMain.inf index df9ca825c7..b8e188d5fb 100644 --- a/MdeModulePkg/Core/Pei/PeiMain.inf +++ b/MdeModulePkg/Core/Pei/PeiMain.inf @@ -60,7 +60,6 @@ Ipf/IpfCpuCore.i Ipf/SwitchToCacheMode.c Ipf/InternalSwitchStack.c - Ipf/SwitchStack.s [Sources.EBC] Dispatcher/Stack.c -- 2.39.2