Unix version of EFI emulator

[mirror_edk2.git] / EdkUnixPkg / Pei / AutoScan / UnixAutoScan.c

diff --git a/EdkUnixPkg/Pei/AutoScan/UnixAutoScan.c b/EdkUnixPkg/Pei/AutoScan/UnixAutoScan.c
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+++ b/EdkUnixPkg/Pei/AutoScan/UnixAutoScan.c
@@ -0,0 +1,132 @@
+/*++\r
+\r
+Copyright (c) 2006, Intel Corporation                                                         \r
+All rights reserved. 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
+  UnixAutoscan.c\r
+\r
+Abstract:\r
+  This PEIM to abstract memory auto-scan in an Unix environment.\r
+\r
+Revision History\r
+\r
+--*/\r
+\r
+EFI_STATUS\r
+EFIAPI\r
+PeimInitializeUnixAutoScan (\r
+  IN EFI_FFS_FILE_HEADER       *FfsHeader,\r
+  IN EFI_PEI_SERVICES          **PeiServices\r
+  )\r
+/*++\r
+\r
+Routine Description:\r
+  Perform a call-back into the SEC simulator to get a memory value\r
+\r
+Arguments:\r
+  FfsHeader   - General purpose data available to every PEIM\r
+  PeiServices - General purpose services available to every PEIM.\r
+    \r
+Returns:\r
+  None\r
+\r
+--*/\r
+{\r
+  EFI_STATUS                  Status;\r
+  EFI_PEI_PPI_DESCRIPTOR      *PpiDescriptor;\r
+  PEI_UNIX_AUTOSCAN_PPI      *PeiUnixService;\r
+  UINT64                      MemorySize;\r
+  EFI_PHYSICAL_ADDRESS        MemoryBase;\r
+  PEI_BASE_MEMORY_TEST_PPI    *MemoryTestPpi;\r
+  EFI_PHYSICAL_ADDRESS        ErrorAddress;\r
+  UINTN                       Index;\r
+  EFI_RESOURCE_ATTRIBUTE_TYPE Attributes;\r
+\r
+\r
+  DEBUG ((EFI_D_ERROR, "Unix Autoscan PEIM Loaded\n"));\r
+\r
+  //\r
+  // Get the PEI NT Autoscan PPI\r
+  //\r
+  Status = (**PeiServices).LocatePpi (\r
+                            PeiServices,\r
+                            &gPeiUnixAutoScanPpiGuid, // GUID\r
+                            0,                      // INSTANCE\r
+                            &PpiDescriptor,         // EFI_PEI_PPI_DESCRIPTOR\r
+                            (VOID **)&PeiUnixService           // PPI\r
+                            );\r
+  ASSERT_EFI_ERROR (Status);\r
+\r
+  //\r
+  // Get the Memory Test PPI\r
+  //\r
+  Status = (**PeiServices).LocatePpi (\r
+                            PeiServices,\r
+                            &gPeiBaseMemoryTestPpiGuid,\r
+                            0,\r
+                            NULL,\r
+                            (VOID **)&MemoryTestPpi\r
+                            );\r
+  ASSERT_EFI_ERROR (Status);\r
+\r
+  Index = 0;\r
+  do {\r
+    Status = PeiUnixService->UnixAutoScan (Index, &MemoryBase, &MemorySize);\r
+    if (!EFI_ERROR (Status)) {\r
+      Attributes =\r
+        (\r
+          EFI_RESOURCE_ATTRIBUTE_PRESENT |\r
+          EFI_RESOURCE_ATTRIBUTE_INITIALIZED |\r
+          EFI_RESOURCE_ATTRIBUTE_UNCACHEABLE |\r
+          EFI_RESOURCE_ATTRIBUTE_WRITE_COMBINEABLE |\r
+          EFI_RESOURCE_ATTRIBUTE_WRITE_THROUGH_CACHEABLE |\r
+          EFI_RESOURCE_ATTRIBUTE_WRITE_BACK_CACHEABLE\r
+        );\r
+\r
+      if (Index == 0) {\r
+        //\r
+        // For the first area register it as PEI tested memory\r
+        //\r
+        Status = MemoryTestPpi->BaseMemoryTest (\r
+                                  PeiServices,\r
+                                  MemoryTestPpi,\r
+                                  MemoryBase,\r
+                                  MemorySize,\r
+                                  Quick,\r
+                                  &ErrorAddress\r
+                                  );\r
+        ASSERT_EFI_ERROR (Status);\r
+\r
+        //\r
+        // Register the "tested" memory with the PEI Core\r
+        //\r
+        Status = (**PeiServices).InstallPeiMemory (PeiServices, MemoryBase, MemorySize);\r
+        ASSERT_EFI_ERROR (Status);\r
+\r
+        Attributes |= EFI_RESOURCE_ATTRIBUTE_TESTED;\r
+      }\r
+      \r
+      BuildResourceDescriptorHob (\r
+        EFI_RESOURCE_SYSTEM_MEMORY,\r
+        Attributes,\r
+        MemoryBase,\r
+        MemorySize\r
+        );\r
+    }\r
+    Index++;\r
+  } while (!EFI_ERROR (Status));\r
+\r
+  //\r
+  // Build the CPU hob with 36-bit addressing and 16-bits of IO space.\r
+  //\r
+  BuildCpuHob (36, 16);\r
+  \r
+  return Status;\r
+}\r