diff options
| -rw-r--r-- | InOsEmuPkg/Unix/Sec/SecMain.c | 87 | ||||
| -rw-r--r-- | InOsEmuPkg/Unix/Sec/SecMain.h | 7 | ||||
| -rw-r--r-- | InOsEmuPkg/Unix/Sec/SecMain.inf | 12 |
3 files changed, 95 insertions, 11 deletions
diff --git a/InOsEmuPkg/Unix/Sec/SecMain.c b/InOsEmuPkg/Unix/Sec/SecMain.c index 41b66b3..1771f36 100644 --- a/InOsEmuPkg/Unix/Sec/SecMain.c +++ b/InOsEmuPkg/Unix/Sec/SecMain.c @@ -212,14 +212,24 @@ main ( } FileName[Index1] = '\0'; - // - // Open the FD and remmeber where it got mapped into our processes address space - // - Status = MapFile ( - FileName, - &gFdInfo[Index].Address, - &gFdInfo[Index].Size - ); + if (Index == 0) { + // Map FV Recovery Read Only and other areas Read/Write + Status = MapFd0 ( + FileName, + &gFdInfo[0].Address, + &gFdInfo[0].Size + ); + } else { + // + // Open the FD and remmeber where it got mapped into our processes address space + // Maps Read Only + // + Status = MapFile ( + FileName, + &gFdInfo[Index].Address, + &gFdInfo[Index].Size + ); + } if (EFI_ERROR (Status)) { printf ("ERROR : Can not open Firmware Device File %s (%x). Exiting.\n", FileName, (unsigned int)Status); exit (1); @@ -350,7 +360,7 @@ MapFile ( OUT UINT64 *Length ) { - int fd; + int fd; VOID *res; UINTN FileSize; @@ -361,7 +371,7 @@ MapFile ( FileSize = lseek (fd, 0, SEEK_END); - res = MapMemory (fd, FileSize, PROT_READ | PROT_WRITE | PROT_EXEC, MAP_SHARED); + res = MapMemory (fd, FileSize, PROT_READ | PROT_WRITE | PROT_EXEC, MAP_PRIVATE); close (fd); @@ -369,13 +379,68 @@ MapFile ( perror ("MapFile() Failed"); return EFI_DEVICE_ERROR; } - + *Length = (UINT64) FileSize; *BaseAddress = (EFI_PHYSICAL_ADDRESS) (UINTN) res; return EFI_SUCCESS; } +EFI_STATUS +MapFd0 ( + IN CHAR8 *FileName, + IN OUT EFI_PHYSICAL_ADDRESS *BaseAddress, + OUT UINT64 *Length + ) +{ + int fd; + VOID *res, *res2; + UINTN FileSize; + UINTN FvSize; + + fd = open (FileName, O_RDWR); + if (fd < 0) { + return EFI_NOT_FOUND; + } + FileSize = lseek (fd, 0, SEEK_END); + + FvSize = FixedPcdGet64 (PcdEmuFlashFvRecoverySize); + + // Assume start of FD is Recovery FV, and make it write protected + res = mmap ( + (void *)(UINTN)FixedPcdGet64 (PcdEmuFlashFvRecoveryBase), + FvSize, + PROT_READ | PROT_WRITE | PROT_EXEC, + MAP_PRIVATE, + fd, + 0 + ); + if (res == MAP_FAILED) { + perror ("MapFile() Failed res ="); + close (fd); + return EFI_DEVICE_ERROR; + } + + // Map the rest of the FD as read/write + res2 = mmap ( + (void *)(FixedPcdGet64 (PcdEmuFlashFvRecoveryBase) + FvSize), + FileSize - FvSize, + PROT_READ | PROT_WRITE | PROT_EXEC, + MAP_SHARED, + fd, + FvSize + ); + close (fd); + if (res2 == MAP_FAILED) { + perror ("MapFile() Failed res2 ="); + return EFI_DEVICE_ERROR; + } + + *Length = (UINT64) FileSize; + *BaseAddress = (EFI_PHYSICAL_ADDRESS) (UINTN) res; + + return EFI_SUCCESS; +} /*++ diff --git a/InOsEmuPkg/Unix/Sec/SecMain.h b/InOsEmuPkg/Unix/Sec/SecMain.h index d660058..af88d06 100644 --- a/InOsEmuPkg/Unix/Sec/SecMain.h +++ b/InOsEmuPkg/Unix/Sec/SecMain.h @@ -310,6 +310,13 @@ MapFile ( OUT UINT64 *Length
);
+EFI_STATUS
+MapFd0 (
+ IN CHAR8 *FileName,
+ IN OUT EFI_PHYSICAL_ADDRESS *BaseAddress,
+ OUT UINT64 *Length
+ );
+
VOID SecSleep (UINT64 Milliseconds);
diff --git a/InOsEmuPkg/Unix/Sec/SecMain.inf b/InOsEmuPkg/Unix/Sec/SecMain.inf index 4d3c28b..0e494e7 100644 --- a/InOsEmuPkg/Unix/Sec/SecMain.inf +++ b/InOsEmuPkg/Unix/Sec/SecMain.inf @@ -91,6 +91,18 @@ gInOsEmuPkgTokenSpaceGuid.PcdEmuSerialPort
gInOsEmuPkgTokenSpaceGuid.PcdEmuNetworkInterface
+ gInOsEmuPkgTokenSpaceGuid.PcdEmuFlashFvRecoveryBase
+ gInOsEmuPkgTokenSpaceGuid.PcdEmuFlashFvRecoverySize
+ gInOsEmuPkgTokenSpaceGuid.PcdEmuFlashNvStorageVariableBase
+ gEfiMdeModulePkgTokenSpaceGuid.PcdFlashNvStorageVariableSize
+ gInOsEmuPkgTokenSpaceGuid.PcdEmuFlashNvStorageEventLogBase
+ gInOsEmuPkgTokenSpaceGuid.PcdEmuFlashNvStorageEventLogSize
+ gInOsEmuPkgTokenSpaceGuid.PcdEmuFlashNvStorageFtwWorkingBase
+ gEfiMdeModulePkgTokenSpaceGuid.PcdFlashNvStorageFtwWorkingSize
+ gInOsEmuPkgTokenSpaceGuid.PcdEmuFlashNvStorageFtwSpareBase
+ gEfiMdeModulePkgTokenSpaceGuid.PcdFlashNvStorageFtwSpareSize
+
+
[BuildOptions]
GCC:*_*_IA32_DLINK_FLAGS == -o $(BIN_DIR)/SecMain -m elf_i386 -dynamic-linker /lib/ld-linux.so.2 /usr/lib/crt1.o /usr/lib/crti.o -L/usr/X11R6/lib -lXext -lX11 /usr/lib/crtn.o
|