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Add JumpBuffer field to the static structure

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Align all Jump Context buffers according to the CPU specific alignment requirements


git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@2024 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
mdkinney 2006-11-28 02:45:20 +00:00
parent d57427a7f7
commit 6f4f08890d
1 changed files with 7 additions and 3 deletions
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10
EdkModulePkg/Core/Dxe/Image/Image.c
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@ -74,6 +74,7 @@ LOADED_IMAGE_PRIVATE_DATA mCorePrivateImage = {
EFI_SUCCESS, // Status EFI_SUCCESS, // Status
0, // ExitDataSize 0, // ExitDataSize
NULL, // ExitData NULL, // ExitData
NULL, // JumpBuffer
NULL, // JumpContext NULL, // JumpContext
0, // Machine 0, // Machine
NULL, // Ebc NULL, // Ebc
@ -949,12 +950,15 @@ Returns:
// //
// Set long jump for Exit() support // Set long jump for Exit() support
// JumpContext must be aligned on a CPU specific boundary.
// Overallocate the buffer and force the required alignment
// //
Image->JumpContext = CoreAllocateBootServicesPool (sizeof (*Image->JumpContext)); Image->JumpBuffer = CoreAllocateBootServicesPool (sizeof (*Image->JumpContext) + BASE_LIBRARY_JUMP_BUFFER_ALIGNMENT);
if (Image->JumpContext == NULL) { if (Image->JumpBuffer == NULL) {
PERF_END (ImageHandle, START_IMAGE_TOK, NULL, 0); PERF_END (ImageHandle, START_IMAGE_TOK, NULL, 0);
return EFI_OUT_OF_RESOURCES; return EFI_OUT_OF_RESOURCES;
} }
Image->JumpContext = (VOID *)((UINTN)(ALIGN_POINTER (Image->JumpBuffer, BASE_LIBRARY_JUMP_BUFFER_ALIGNMENT)) + BASE_LIBRARY_JUMP_BUFFER_ALIGNMENT);
SetJumpFlag = SetJump (Image->JumpContext); SetJumpFlag = SetJump (Image->JumpContext);
// //
@ -991,7 +995,7 @@ Returns:
ASSERT (Image->Tpl == gEfiCurrentTpl); ASSERT (Image->Tpl == gEfiCurrentTpl);
CoreRestoreTpl (Image->Tpl); CoreRestoreTpl (Image->Tpl);
CoreFreePool (Image->JumpContext); CoreFreePool (Image->JumpBuffer);
// //
// Pop the current start image context // Pop the current start image context