1 /** @file 2 Main file for Dmem shell Debug1 function. 3 4 Copyright (c) 2010 - 2016, Intel Corporation. All rights reserved.<BR> 5 (C) Copyright 2015 Hewlett-Packard Development Company, L.P.<BR> 6 (C) Copyright 2015 Hewlett Packard Enterprise Development LP<BR> 7 This program and the accompanying materials 8 are licensed and made available under the terms and conditions of the BSD License 9 which accompanies this distribution. The full text of the license may be found at 10 http://opensource.org/licenses/bsd-license.php 11 12 THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, 13 WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. 14 15 **/ 16 17 #include "UefiShellDebug1CommandsLib.h" 18 #include <Protocol/PciRootBridgeIo.h> 19 #include <Guid/Acpi.h> 20 #include <Guid/Mps.h> 21 #include <Guid/SmBios.h> 22 #include <Guid/SalSystemTable.h> 23 24 /** 25 Make a printable character. 26 27 If Char is printable then return it, otherwise return a question mark. 28 29 @param[in] Char The character to make printable. 30 31 @return A printable character representing Char. 32 **/ 33 CHAR16 34 MakePrintable( 35 IN CONST CHAR16 Char 36 ) 37 { 38 if ((Char < 0x20 && Char > 0)||(Char > 126)) { 39 return (L'?'); 40 } 41 return (Char); 42 } 43 44 /** 45 Display some Memory-Mapped-IO memory. 46 47 @param[in] Address The starting address to display. 48 @param[in] Size The length of memory to display. 49 **/ 50 SHELL_STATUS 51 DisplayMmioMemory( 52 IN CONST VOID *Address, 53 IN CONST UINTN Size 54 ) 55 { 56 EFI_PCI_ROOT_BRIDGE_IO_PROTOCOL *PciRbIo; 57 EFI_STATUS Status; 58 VOID *Buffer; 59 SHELL_STATUS ShellStatus; 60 61 ShellStatus = SHELL_SUCCESS; 62 63 Status = gBS->LocateProtocol(&gEfiPciRootBridgeIoProtocolGuid, NULL, (VOID**)&PciRbIo); 64 if (EFI_ERROR(Status)) { 65 ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_PCIRBIO_NF), gShellDebug1HiiHandle, L"dmem"); 66 return (SHELL_NOT_FOUND); 67 } 68 Buffer = AllocateZeroPool(Size); 69 if (Buffer == NULL) { 70 return SHELL_OUT_OF_RESOURCES; 71 } 72 73 Status = PciRbIo->Mem.Read(PciRbIo, EfiPciWidthUint8, (UINT64)(UINTN)Address, Size, Buffer); 74 if (EFI_ERROR(Status)) { 75 ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_PCIRBIO_ER), gShellDebug1HiiHandle, L"dmem"); 76 ShellStatus = SHELL_NOT_FOUND; 77 } else { 78 ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_DMEM_MMIO_HEADER_ROW), gShellDebug1HiiHandle, (UINT64)(UINTN)Address, Size); 79 DumpHex(2, (UINTN)Address, Size, Buffer); 80 } 81 82 FreePool(Buffer); 83 return (ShellStatus); 84 } 85 86 STATIC CONST SHELL_PARAM_ITEM ParamList[] = { 87 {L"-mmio", TypeFlag}, 88 {NULL, TypeMax} 89 }; 90 91 /** 92 Function for 'dmem' command. 93 94 @param[in] ImageHandle Handle to the Image (NULL if Internal). 95 @param[in] SystemTable Pointer to the System Table (NULL if Internal). 96 **/ 97 SHELL_STATUS 98 EFIAPI 99 ShellCommandRunDmem ( 100 IN EFI_HANDLE ImageHandle, 101 IN EFI_SYSTEM_TABLE *SystemTable 102 ) 103 { 104 EFI_STATUS Status; 105 LIST_ENTRY *Package; 106 CHAR16 *ProblemParam; 107 SHELL_STATUS ShellStatus; 108 VOID *Address; 109 UINT64 Size; 110 CONST CHAR16 *Temp1; 111 UINT64 AcpiTableAddress; 112 UINT64 Acpi20TableAddress; 113 UINT64 SalTableAddress; 114 UINT64 SmbiosTableAddress; 115 UINT64 MpsTableAddress; 116 UINTN TableWalker; 117 118 ShellStatus = SHELL_SUCCESS; 119 Status = EFI_SUCCESS; 120 Address = NULL; 121 Size = 0; 122 123 // 124 // initialize the shell lib (we must be in non-auto-init...) 125 // 126 Status = ShellInitialize(); 127 ASSERT_EFI_ERROR(Status); 128 129 Status = CommandInit(); 130 ASSERT_EFI_ERROR(Status); 131 132 // 133 // parse the command line 134 // 135 Status = ShellCommandLineParse (ParamList, &Package, &ProblemParam, TRUE); 136 if (EFI_ERROR(Status)) { 137 if (Status == EFI_VOLUME_CORRUPTED && ProblemParam != NULL) { 138 ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_PROBLEM), gShellDebug1HiiHandle, L"dmem", ProblemParam); 139 FreePool(ProblemParam); 140 ShellStatus = SHELL_INVALID_PARAMETER; 141 } else { 142 ASSERT(FALSE); 143 } 144 } else { 145 if (ShellCommandLineGetCount(Package) > 3) { 146 ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_TOO_MANY), gShellDebug1HiiHandle, L"dmem"); 147 ShellStatus = SHELL_INVALID_PARAMETER; 148 } else { 149 Temp1 = ShellCommandLineGetRawValue(Package, 1); 150 if (Temp1 == NULL) { 151 Address = gST; 152 Size = 512; 153 } else { 154 if (!ShellIsHexOrDecimalNumber(Temp1, TRUE, FALSE) || EFI_ERROR(ShellConvertStringToUint64(Temp1, (UINT64*)&Address, TRUE, FALSE))) { 155 ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_PARAM_INV), gShellDebug1HiiHandle, L"dmem", Temp1); 156 ShellStatus = SHELL_INVALID_PARAMETER; 157 } 158 Temp1 = ShellCommandLineGetRawValue(Package, 2); 159 if (Temp1 == NULL) { 160 Size = 512; 161 } else { 162 if (!ShellIsHexOrDecimalNumber(Temp1, FALSE, FALSE) || EFI_ERROR(ShellConvertStringToUint64(Temp1, &Size, TRUE, FALSE))) { 163 ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_PARAM_INV), gShellDebug1HiiHandle, L"dmem", Temp1); 164 ShellStatus = SHELL_INVALID_PARAMETER; 165 } 166 } 167 } 168 } 169 170 if (ShellStatus == SHELL_SUCCESS) { 171 if (!ShellCommandLineGetFlag(Package, L"-mmio")) { 172 ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_DMEM_HEADER_ROW), gShellDebug1HiiHandle, (UINT64)(UINTN)Address, Size); 173 DumpHex(2, (UINTN)Address, (UINTN)Size, Address); 174 if (Address == (VOID*)gST) { 175 Acpi20TableAddress = 0; 176 AcpiTableAddress = 0; 177 SalTableAddress = 0; 178 SmbiosTableAddress = 0; 179 MpsTableAddress = 0; 180 for (TableWalker = 0 ; TableWalker < gST->NumberOfTableEntries ; TableWalker++) { 181 if (CompareGuid(&gST->ConfigurationTable[TableWalker].VendorGuid, &gEfiAcpi20TableGuid)) { 182 Acpi20TableAddress = (UINT64)(UINTN)gST->ConfigurationTable[TableWalker].VendorTable; 183 continue; 184 } 185 if (CompareGuid(&gST->ConfigurationTable[TableWalker].VendorGuid, &gEfiAcpi10TableGuid)) { 186 AcpiTableAddress = (UINT64)(UINTN)gST->ConfigurationTable[TableWalker].VendorTable; 187 continue; 188 } 189 if (CompareGuid(&gST->ConfigurationTable[TableWalker].VendorGuid, &gEfiSalSystemTableGuid)) { 190 SalTableAddress = (UINT64)(UINTN)gST->ConfigurationTable[TableWalker].VendorTable; 191 continue; 192 } 193 if (CompareGuid(&gST->ConfigurationTable[TableWalker].VendorGuid, &gEfiSmbiosTableGuid)) { 194 SmbiosTableAddress = (UINT64)(UINTN)gST->ConfigurationTable[TableWalker].VendorTable; 195 continue; 196 } 197 if (CompareGuid (&gST->ConfigurationTable[TableWalker].VendorGuid, &gEfiSmbios3TableGuid)) { 198 SmbiosTableAddress = (UINT64) (UINTN) gST->ConfigurationTable[TableWalker].VendorTable; 199 continue; 200 } 201 if (CompareGuid(&gST->ConfigurationTable[TableWalker].VendorGuid, &gEfiMpsTableGuid)) { 202 MpsTableAddress = (UINT64)(UINTN)gST->ConfigurationTable[TableWalker].VendorTable; 203 continue; 204 } 205 } 206 207 ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_DMEM_SYSTEM_TABLE), gShellDebug1HiiHandle, 208 (UINT64)(UINTN)Address, 209 gST->Hdr.HeaderSize, 210 gST->Hdr.Revision, 211 (UINT64)(UINTN)gST->ConIn, 212 (UINT64)(UINTN)gST->ConOut, 213 (UINT64)(UINTN)gST->StdErr, 214 (UINT64)(UINTN)gST->RuntimeServices, 215 (UINT64)(UINTN)gST->BootServices, 216 SalTableAddress, 217 AcpiTableAddress, 218 Acpi20TableAddress, 219 MpsTableAddress, 220 SmbiosTableAddress 221 ); 222 } 223 } else { 224 ShellStatus = DisplayMmioMemory(Address, (UINTN)Size); 225 } 226 } 227 228 229 ShellCommandLineFreeVarList (Package); 230 } 231 232 return (ShellStatus); 233 } 234
