OvmfPkg: Sec: assert the build-time calculated end of the scratch buffer

[mirror_edk2.git] / OvmfPkg / Sec / SecMain.c

diff --git a/OvmfPkg/Sec/SecMain.c b/OvmfPkg/Sec/SecMain.c
index 0cf127af8486cd5077164846e137ee8a9854c742..93e3594e29aa6d0c39eefea3165b38c698e2ca65 100644 (file)
--- a/OvmfPkg/Sec/SecMain.c
+++ b/OvmfPkg/Sec/SecMain.c
@@ -362,6 +362,14 @@ DecompressMemFvs (
 \r
   OutputBuffer = (VOID*) ((UINT8*)(UINTN) PcdGet32 (PcdOvmfDxeMemFvBase) + SIZE_1MB);\r
   ScratchBuffer = ALIGN_POINTER ((UINT8*) OutputBuffer + OutputBufferSize, SIZE_1MB);\r
+\r
+  DEBUG ((EFI_D_VERBOSE, "%a: OutputBuffer@%p+0x%x ScratchBuffer@%p+0x%x "\r
+    "PcdOvmfDecompressionScratchEnd=0x%x\n", __FUNCTION__, OutputBuffer,\r
+    OutputBufferSize, ScratchBuffer, ScratchBufferSize,\r
+    PcdGet32 (PcdOvmfDecompressionScratchEnd)));\r
+  ASSERT ((UINTN)ScratchBuffer + ScratchBufferSize ==\r
+    PcdGet32 (PcdOvmfDecompressionScratchEnd));\r
+\r
   Status = ExtractGuidedSectionDecode (\r
              Section,\r
              &OutputBuffer,\r