Ros-diffs

ros-diffs@reactos.org

81390 discussions

[reactos] 04/05: [KERNEL32]: Reimplement GetDiskFreeSpaceExA() to make it w2k3 compliant
by Pierre Schweitzer 05 Oct '17

05 Oct '17

1 0

[reactos] 03/05: [KERNEL32]: Refactor a bit GetDiskFreeSpaceExW(), no ground breaking changes
by Pierre Schweitzer 05 Oct '17

05 Oct '17

This is an automated email from the git hooks/post-receive script. www-data pushed a commit to branch master in repository reactos. View the commit online: https://git.reactos.org/?p=reactos.git;a=commitdiff;h=1e2424ee98bd12d6a5a7e… commit 1e2424ee98bd12d6a5a7ebffdfa138546a5c7a5b Author: Pierre Schweitzer <pierre(a)reactos.org> AuthorDate: Wed Oct 4 23:00:12 2017 +0200 [KERNEL32]: Refactor a bit GetDiskFreeSpaceExW(), no ground breaking changes --- dll/win32/kernel32/client/file/disk.c | 124 +++++++++++++++++++--------------- 1 file changed, 69 insertions(+), 55 deletions(-) diff --git a/dll/win32/kernel32/client/file/disk.c b/dll/win32/kernel32/client/file/disk.c index 5854b2320e..1ba1b73549 100644 --- a/dll/win32/kernel32/client/file/disk.c +++ b/dll/win32/kernel32/client/file/disk.c @@ -383,103 +383,117 @@ GetDiskFreeSpaceExW(IN LPCWSTR lpDirectoryName OPTIONAL, OUT PULARGE_INTEGER lpTotalNumberOfBytes, OUT PULARGE_INTEGER lpTotalNumberOfFreeBytes) { - union - { - FILE_FS_SIZE_INFORMATION FsSize; - FILE_FS_FULL_SIZE_INFORMATION FsFullSize; - } FsInfo; - IO_STATUS_BLOCK IoStatusBlock; - ULARGE_INTEGER BytesPerCluster; - HANDLE hFile; + PCWSTR RootPath; NTSTATUS Status; + HANDLE RootHandle; + UNICODE_STRING FileName; + DWORD BytesPerAllocationUnit; + IO_STATUS_BLOCK IoStatusBlock; + OBJECT_ATTRIBUTES ObjectAttributes; + FILE_FS_SIZE_INFORMATION FileFsSize; + /* If no path provided, get root path */ + RootPath = lpDirectoryName; if (lpDirectoryName == NULL) - lpDirectoryName = L"\\"; + { + RootPath = L"\\"; + } - hFile = InternalOpenDirW(lpDirectoryName, FALSE); - if (INVALID_HANDLE_VALUE == hFile) + /* Convert the path to NT path */ + if (!RtlDosPathNameToNtPathName_U(RootPath, &FileName, NULL, NULL)) { + SetLastError(ERROR_PATH_NOT_FOUND); return FALSE; } - if (lpFreeBytesAvailableToCaller != NULL || lpTotalNumberOfBytes != NULL) + /* Open it for disk space query! */ + InitializeObjectAttributes(&ObjectAttributes, &FileName, + OBJ_CASE_INSENSITIVE, NULL, NULL); + Status = NtOpenFile(&RootHandle, SYNCHRONIZE, &ObjectAttributes, &IoStatusBlock, + FILE_SHARE_READ | FILE_SHARE_WRITE, + FILE_DIRECTORY_FILE | FILE_SYNCHRONOUS_IO_NONALERT | FILE_OPEN_FOR_FREE_SPACE_QUERY); + if (!NT_SUCCESS(Status)) { - /* To get the free space available to the user associated with the - current thread, try FileFsFullSizeInformation. If this is not - supported by the file system, fall back to FileFsSize */ + BaseSetLastNTError(Status); + /* If error conversion lead to file not found, override to use path not found + * which is more accurate + */ + if (GetLastError() == ERROR_FILE_NOT_FOUND) + { + SetLastError(ERROR_PATH_NOT_FOUND); + } - Status = NtQueryVolumeInformationFile(hFile, - &IoStatusBlock, - &FsInfo.FsFullSize, - sizeof(FsInfo.FsFullSize), - FileFsFullSizeInformation); + RtlFreeHeap(RtlGetProcessHeap(), 0, FileName.Buffer); + + return FALSE; + } + + RtlFreeHeap(RtlGetProcessHeap(), 0, FileName.Buffer); + /* If user asks for lpTotalNumberOfFreeBytes, try to use full size information */ + if (lpTotalNumberOfFreeBytes != NULL) + { + FILE_FS_FULL_SIZE_INFORMATION FileFsFullSize; + + /* Issue the full fs size request */ + Status = NtQueryVolumeInformationFile(RootHandle, &IoStatusBlock, &FileFsFullSize, + sizeof(FILE_FS_FULL_SIZE_INFORMATION), + FileFsFullSizeInformation); + /* If it succeed, complete out buffers */ if (NT_SUCCESS(Status)) { - /* Close the handle before returning data - to avoid a handle leak in case of a fault! */ - CloseHandle(hFile); + /* We can close here, we'll return */ + NtClose(RootHandle); - BytesPerCluster.QuadPart = - FsInfo.FsFullSize.BytesPerSector * FsInfo.FsFullSize.SectorsPerAllocationUnit; + /* Compute the size of an AU */ + BytesPerAllocationUnit = FileFsFullSize.SectorsPerAllocationUnit * FileFsFullSize.BytesPerSector; + /* And then return what was asked */ if (lpFreeBytesAvailableToCaller != NULL) { - lpFreeBytesAvailableToCaller->QuadPart = - BytesPerCluster.QuadPart * FsInfo.FsFullSize.CallerAvailableAllocationUnits.QuadPart; + lpFreeBytesAvailableToCaller->QuadPart = FileFsFullSize.CallerAvailableAllocationUnits.QuadPart * BytesPerAllocationUnit; } if (lpTotalNumberOfBytes != NULL) { - lpTotalNumberOfBytes->QuadPart = - BytesPerCluster.QuadPart * FsInfo.FsFullSize.TotalAllocationUnits.QuadPart; + lpTotalNumberOfBytes->QuadPart = FileFsFullSize.TotalAllocationUnits.QuadPart * BytesPerAllocationUnit; } - if (lpTotalNumberOfFreeBytes != NULL) - { - lpTotalNumberOfFreeBytes->QuadPart = - BytesPerCluster.QuadPart * FsInfo.FsFullSize.ActualAvailableAllocationUnits.QuadPart; - } + /* No need to check for nullness ;-) */ + lpTotalNumberOfFreeBytes->QuadPart = FileFsFullSize.ActualAvailableAllocationUnits.QuadPart * BytesPerAllocationUnit; return TRUE; } } - Status = NtQueryVolumeInformationFile(hFile, - &IoStatusBlock, - &FsInfo.FsSize, - sizeof(FsInfo.FsSize), + /* Otherwise, fallback to normal size information */ + Status = NtQueryVolumeInformationFile(RootHandle, &IoStatusBlock, + &FileFsSize, sizeof(FILE_FS_SIZE_INFORMATION), FileFsSizeInformation); - - /* Close the handle before returning data - to avoid a handle leak in case of a fault! */ - CloseHandle(hFile); - + NtClose(RootHandle); if (!NT_SUCCESS(Status)) { - BaseSetLastNTError (Status); + BaseSetLastNTError(Status); return FALSE; } - BytesPerCluster.QuadPart = - FsInfo.FsSize.BytesPerSector * FsInfo.FsSize.SectorsPerAllocationUnit; + /* Compute the size of an AU */ + BytesPerAllocationUnit = FileFsSize.SectorsPerAllocationUnit * FileFsSize.BytesPerSector; - if (lpFreeBytesAvailableToCaller) + /* And then return what was asked, available is free, the same! */ + if (lpFreeBytesAvailableToCaller != NULL) { - lpFreeBytesAvailableToCaller->QuadPart = - BytesPerCluster.QuadPart * FsInfo.FsSize.AvailableAllocationUnits.QuadPart; + lpFreeBytesAvailableToCaller->QuadPart = FileFsSize.AvailableAllocationUnits.QuadPart * BytesPerAllocationUnit; } - if (lpTotalNumberOfBytes) + if (lpTotalNumberOfBytes != NULL) { - lpTotalNumberOfBytes->QuadPart = - BytesPerCluster.QuadPart * FsInfo.FsSize.TotalAllocationUnits.QuadPart; + lpTotalNumberOfBytes->QuadPart = FileFsSize.TotalAllocationUnits.QuadPart * BytesPerAllocationUnit; } - if (lpTotalNumberOfFreeBytes) + if (lpTotalNumberOfFreeBytes != NULL) { - lpTotalNumberOfFreeBytes->QuadPart = - BytesPerCluster.QuadPart * FsInfo.FsSize.AvailableAllocationUnits.QuadPart; + lpTotalNumberOfFreeBytes->QuadPart = FileFsSize.AvailableAllocationUnits.QuadPart * BytesPerAllocationUnit; } return TRUE; -- To stop receiving notification emails like this one, please contact the administrator of this repository.

1 0

[reactos] 02/05: [KERNEL32]: Reimplement GetDiskFreeSpaceA() to make it w2k3 compliant
by Pierre Schweitzer 05 Oct '17

05 Oct '17

1 0

[reactos] 01/05: [KERNEL32]: Reimplement GetDiskFreeSpaceW() to fix various issues in it. It also brings support for appcompat
by Pierre Schweitzer 05 Oct '17

05 Oct '17

This is an automated email from the git hooks/post-receive script. www-data pushed a commit to branch master in repository reactos. View the commit online: https://git.reactos.org/?p=reactos.git;a=commitdiff;h=5bee374c82209d347088a… commit 5bee374c82209d347088a42901e77d4d1a11b839 Author: Pierre Schweitzer <pierre(a)reactos.org> AuthorDate: Wed Oct 4 22:27:14 2017 +0200 [KERNEL32]: Reimplement GetDiskFreeSpaceW() to fix various issues in it. It also brings support for appcompat --- dll/win32/kernel32/client/file/disk.c | 135 +++++++++++++++++++++++++++------- 1 file changed, 108 insertions(+), 27 deletions(-) diff --git a/dll/win32/kernel32/client/file/disk.c b/dll/win32/kernel32/client/file/disk.c index fd97a0e3a8..7ff6e88f1a 100644 --- a/dll/win32/kernel32/client/file/disk.c +++ b/dll/win32/kernel32/client/file/disk.c @@ -215,50 +215,131 @@ GetDiskFreeSpaceW(IN LPCWSTR lpRootPathName, OUT LPDWORD lpNumberOfFreeClusters, OUT LPDWORD lpTotalNumberOfClusters) { - FILE_FS_SIZE_INFORMATION FileFsSize; + BOOL Below2GB; + PCWSTR RootPath; + NTSTATUS Status; + HANDLE RootHandle; + UNICODE_STRING FileName; IO_STATUS_BLOCK IoStatusBlock; - WCHAR RootPathName[MAX_PATH]; - HANDLE hFile; - NTSTATUS errCode; + OBJECT_ATTRIBUTES ObjectAttributes; + FILE_FS_SIZE_INFORMATION FileFsSize; - if (lpRootPathName) + /* If no path provided, get root path */ + RootPath = lpRootPathName; + if (lpRootPathName == NULL) { - wcsncpy (RootPathName, lpRootPathName, 3); + RootPath = L"\\"; } - else + + /* Convert the path to NT path */ + if (!RtlDosPathNameToNtPathName_U(RootPath, &FileName, NULL, NULL)) { - GetCurrentDirectoryW (MAX_PATH, RootPathName); + SetLastError(ERROR_PATH_NOT_FOUND); + return FALSE; } - RootPathName[3] = 0; - hFile = InternalOpenDirW(RootPathName, FALSE); - if (INVALID_HANDLE_VALUE == hFile) + /* Open it for disk space query! */ + InitializeObjectAttributes(&ObjectAttributes, &FileName, + OBJ_CASE_INSENSITIVE, NULL, NULL); + Status = NtOpenFile(&RootHandle, SYNCHRONIZE, &ObjectAttributes, &IoStatusBlock, + FILE_SHARE_READ | FILE_SHARE_WRITE, + FILE_DIRECTORY_FILE | FILE_SYNCHRONOUS_IO_NONALERT | FILE_OPEN_FOR_FREE_SPACE_QUERY); + if (!NT_SUCCESS(Status)) { - SetLastError(ERROR_PATH_NOT_FOUND); + BaseSetLastNTError(Status); + RtlFreeHeap(RtlGetProcessHeap(), 0, FileName.Buffer); + if (lpBytesPerSector != NULL) + { + *lpBytesPerSector = 0; + } + return FALSE; } - errCode = NtQueryVolumeInformationFile(hFile, - &IoStatusBlock, - &FileFsSize, - sizeof(FILE_FS_SIZE_INFORMATION), - FileFsSizeInformation); - if (!NT_SUCCESS(errCode)) + /* We don't need the name any longer */ + RtlFreeHeap(RtlGetProcessHeap(), 0, FileName.Buffer); + + /* Query disk space! */ + Status = NtQueryVolumeInformationFile(RootHandle, &IoStatusBlock, &FileFsSize, + sizeof(FILE_FS_SIZE_INFORMATION), + FileFsSizeInformation); + NtClose(RootHandle); + if (!NT_SUCCESS(Status)) { - CloseHandle(hFile); - BaseSetLastNTError (errCode); + BaseSetLastNTError(Status); return FALSE; } - if (lpSectorsPerCluster) + /* Are we in some compatibility mode where size must be below 2GB? */ + Below2GB = ((NtCurrentPeb()->AppCompatFlags.LowPart & GetDiskFreeSpace2GB) == GetDiskFreeSpace2GB); + + /* If we're to overflow output, make sure we return the maximum */ + if (FileFsSize.TotalAllocationUnits.HighPart != 0) + { + FileFsSize.TotalAllocationUnits.LowPart = -1; + } + + if (FileFsSize.AvailableAllocationUnits.HighPart != 0) + { + FileFsSize.AvailableAllocationUnits.LowPart = -1; + } + + /* Return what user asked for */ + if (lpSectorsPerCluster != NULL) + { *lpSectorsPerCluster = FileFsSize.SectorsPerAllocationUnit; - if (lpBytesPerSector) + } + + if (lpBytesPerSector != NULL) + { *lpBytesPerSector = FileFsSize.BytesPerSector; - if (lpNumberOfFreeClusters) - *lpNumberOfFreeClusters = FileFsSize.AvailableAllocationUnits.u.LowPart; - if (lpTotalNumberOfClusters) - *lpTotalNumberOfClusters = FileFsSize.TotalAllocationUnits.u.LowPart; - CloseHandle(hFile); + } + + if (lpNumberOfFreeClusters != NULL) + { + if (!Below2GB) + { + *lpNumberOfFreeClusters = FileFsSize.AvailableAllocationUnits.LowPart; + } + /* If we have to remain below 2GB... */ + else + { + DWORD FreeClusters; + + /* Compute how many clusters there are in less than 2GB: 2 * 1024 * 1024 * 1024- 1 */ + FreeClusters = 0x7FFFFFFF / (FileFsSize.SectorsPerAllocationUnit * FileFsSize.BytesPerSector); + /* If that's higher than what was queried, then return the queried value, it's OK! */ + if (FreeClusters > FileFsSize.AvailableAllocationUnits.LowPart) + { + FreeClusters = FileFsSize.AvailableAllocationUnits.LowPart; + } + + *lpNumberOfFreeClusters = FreeClusters; + } + } + + if (lpTotalNumberOfClusters != NULL) + { + if (!Below2GB) + { + *lpTotalNumberOfClusters = FileFsSize.TotalAllocationUnits.LowPart; + } + /* If we have to remain below 2GB... */ + else + { + DWORD TotalClusters; + + /* Compute how many clusters there are in less than 2GB: 2 * 1024 * 1024 * 1024- 1 */ + TotalClusters = 0x7FFFFFFF / (FileFsSize.SectorsPerAllocationUnit * FileFsSize.BytesPerSector); + /* If that's higher than what was queried, then return the queried value, it's OK! */ + if (TotalClusters > FileFsSize.TotalAllocationUnits.LowPart) + { + TotalClusters = FileFsSize.TotalAllocationUnits.LowPart; + } + + *lpTotalNumberOfClusters = TotalClusters; + } + } return TRUE; } -- To stop receiving notification emails like this one, please contact the administrator of this repository.

1 0

[reactos] 03/03: [FREELDR] Properly check for end-of-memory-map entries when skipping ranges smaller than page size. CORE-12881
by Serge Gautherie 05 Oct '17

05 Oct '17

This is an automated email from the git hooks/post-receive script. www-data pushed a commit to branch master in repository reactos. View the commit online: https://git.reactos.org/?p=reactos.git;a=commitdiff;h=55ae20931f5a4b356055b… commit 55ae20931f5a4b356055b139fab898fd3e361caf Author: Serge Gautherie <reactos-git_serge_171003(a)gautherie.fr> AuthorDate: Wed Oct 4 18:04:35 2017 +0200 [FREELDR] Properly check for end-of-memory-map entries when skipping ranges smaller than page size. CORE-12881 Signed-off-by: Timo Kreuzer <timo.kreuzer(a)reactos.org> --- boot/freeldr/freeldr/arch/i386/pcmem.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/boot/freeldr/freeldr/arch/i386/pcmem.c b/boot/freeldr/freeldr/arch/i386/pcmem.c index 169070ee6f..61cd694070 100644 --- a/boot/freeldr/freeldr/arch/i386/pcmem.c +++ b/boot/freeldr/freeldr/arch/i386/pcmem.c @@ -318,7 +318,7 @@ PcMemGetBiosMemoryMap(PFREELDR_MEMORY_DESCRIPTOR MemoryMap, ULONG MaxMemoryMapSi PcBiosMapCount, PcBiosMemoryMap[PcBiosMapCount].BaseAddress, PcBiosMemoryMap[PcBiosMapCount].Length); - continue; + goto nextRange; } /* Calculate the length of the aligned range */ -- To stop receiving notification emails like this one, please contact the administrator of this repository.

1 0

[reactos] 02/03: [FREELDR] Add 64 bit alignment macros (ULONGLONG_ALIGN_UP/DOWN_BY) for aligning physical addresses that can be larger than 4GB and the default macros truncate to ULONG_PTR. CORE-12881
by Serge Gautherie 05 Oct '17

05 Oct '17

This is an automated email from the git hooks/post-receive script. www-data pushed a commit to branch master in repository reactos. View the commit online: https://git.reactos.org/?p=reactos.git;a=commitdiff;h=274ace05b2f5d5cded563… commit 274ace05b2f5d5cded56345e95bc26ecaf013d32 Author: Serge Gautherie <reactos-git_serge_171003(a)gautherie.fr> AuthorDate: Tue Oct 3 09:16:26 2017 +0200 [FREELDR] Add 64 bit alignment macros (ULONGLONG_ALIGN_UP/DOWN_BY) for aligning physical addresses that can be larger than 4GB and the default macros truncate to ULONG_PTR. CORE-12881 Signed-off-by: Timo Kreuzer <timo.kreuzer(a)reactos.org> --- boot/freeldr/freeldr/arch/i386/pcmem.c | 21 +++++++++++++++------ 1 file changed, 15 insertions(+), 6 deletions(-) diff --git a/boot/freeldr/freeldr/arch/i386/pcmem.c b/boot/freeldr/freeldr/arch/i386/pcmem.c index bb38762bc7..169070ee6f 100644 --- a/boot/freeldr/freeldr/arch/i386/pcmem.c +++ b/boot/freeldr/freeldr/arch/i386/pcmem.c @@ -27,6 +27,12 @@ DBG_DEFAULT_CHANNEL(MEMORY); +#define ULONGLONG_ALIGN_DOWN_BY(size, align) \ + ((ULONGLONG)(size) & ~((ULONGLONG)(align) - 1)) + +#define ULONGLONG_ALIGN_UP_BY(size, align) \ + (ULONGLONG_ALIGN_DOWN_BY(((ULONGLONG)(size) + align - 1), align)) + #define MAX_BIOS_DESCRIPTORS 80 BIOS_MEMORY_MAP PcBiosMemoryMap[MAX_BIOS_DESCRIPTORS]; @@ -295,13 +301,14 @@ PcMemGetBiosMemoryMap(PFREELDR_MEMORY_DESCRIPTOR MemoryMap, ULONG MaxMemoryMapSi MemoryType = LoaderFree; /* Align up base of memory range */ - RealBaseAddress = ALIGN_UP_BY(PcBiosMemoryMap[PcBiosMapCount].BaseAddress, - PAGE_SIZE); + RealBaseAddress = ULONGLONG_ALIGN_UP_BY( + PcBiosMemoryMap[PcBiosMapCount].BaseAddress, + PAGE_SIZE); /* Calculate aligned EndAddress */ EndAddress = PcBiosMemoryMap[PcBiosMapCount].BaseAddress + PcBiosMemoryMap[PcBiosMapCount].Length; - EndAddress = ALIGN_DOWN_BY(EndAddress, PAGE_SIZE); + EndAddress = ULONGLONG_ALIGN_DOWN_BY(EndAddress, PAGE_SIZE); /* Check if there is anything left */ if (EndAddress <= RealBaseAddress) @@ -325,13 +332,14 @@ PcMemGetBiosMemoryMap(PFREELDR_MEMORY_DESCRIPTOR MemoryMap, ULONG MaxMemoryMapSi MemoryType = LoaderSpecialMemory; /* Align down base of memory area */ - RealBaseAddress = ALIGN_DOWN_BY(PcBiosMemoryMap[PcBiosMapCount].BaseAddress, - PAGE_SIZE); + RealBaseAddress = ULONGLONG_ALIGN_DOWN_BY( + PcBiosMemoryMap[PcBiosMapCount].BaseAddress, + PAGE_SIZE); /* Calculate the length after aligning the base */ RealSize = PcBiosMemoryMap[PcBiosMapCount].BaseAddress + PcBiosMemoryMap[PcBiosMapCount].Length - RealBaseAddress; - RealSize = ALIGN_UP_BY(RealSize, PAGE_SIZE); + RealSize = ULONGLONG_ALIGN_UP_BY(RealSize, PAGE_SIZE); } /* Check if we can add this descriptor */ @@ -359,6 +367,7 @@ PcMemGetBiosMemoryMap(PFREELDR_MEMORY_DESCRIPTOR MemoryMap, ULONG MaxMemoryMapSi PcBiosMapCount++; +nextRange: /* If the continuation value is zero, * then this was the last entry, so we're done. */ if (Regs.x.ebx == 0x00000000) -- To stop receiving notification emails like this one, please contact the administrator of this repository.

1 0

[reactos] 01/03: [FREELDR] Improve trace prints in pcmem.c, no logical changes CORE-12881
by Serge Gautherie 05 Oct '17

05 Oct '17

This is an automated email from the git hooks/post-receive script. www-data pushed a commit to branch master in repository reactos. View the commit online: https://git.reactos.org/?p=reactos.git;a=commitdiff;h=f588de2e79e67fc7878e7… commit f588de2e79e67fc7878e71dccb4ea67debdacf5e Author: Serge Gautherie <reactos-git_serge_171003(a)gautherie.fr> AuthorDate: Tue Oct 3 09:00:03 2017 +0200 [FREELDR] Improve trace prints in pcmem.c, no logical changes CORE-12881 Signed-off-by: Timo Kreuzer <timo.kreuzer(a)reactos.org> --- boot/freeldr/freeldr/arch/i386/pcmem.c | 60 ++++++++++++++++++++++++---------- 1 file changed, 43 insertions(+), 17 deletions(-) diff --git a/boot/freeldr/freeldr/arch/i386/pcmem.c b/boot/freeldr/freeldr/arch/i386/pcmem.c index 3f15155fdb..bb38762bc7 100644 --- a/boot/freeldr/freeldr/arch/i386/pcmem.c +++ b/boot/freeldr/freeldr/arch/i386/pcmem.c @@ -129,7 +129,7 @@ GetExtendedMemoryConfiguration(ULONG* pMemoryAtOneMB /* in KB */, ULONG* pMemory *pMemoryAtOneMB = (*pMemoryAtOneMB << 8); TRACE("Int15h Failed\n"); - TRACE("CMOS reports: 0x%x\n", *pMemoryAtOneMB); + TRACE("CMOS reports: 0x%lx\n", *pMemoryAtOneMB); if (*pMemoryAtOneMB != 0) { @@ -144,7 +144,7 @@ PcMemGetConventionalMemorySize(VOID) { REGS Regs; - TRACE("GetConventionalMemorySize()\n"); + TRACE("PcMemGetConventionalMemorySize()\n"); /* Int 12h * BIOS - GET MEMORY SIZE @@ -204,9 +204,10 @@ PcMemGetBiosMemoryMap(PFREELDR_MEMORY_DESCRIPTOR MemoryMap, ULONG MaxMemoryMapSi ULONGLONG RealBaseAddress, EndAddress, RealSize; TYPE_OF_MEMORY MemoryType; ULONG Size, RequiredSize; + ASSERT(PcBiosMapCount == 0); - TRACE("GetBiosMemoryMap()\n"); + TRACE("PcMemGetBiosMemoryMap()\n"); /* Make sure the usable memory is large enough. To do this we check the 16 bit value at address 0x413 inside the BDA, which gives us the usable size @@ -219,8 +220,8 @@ PcMemGetBiosMemoryMap(PFREELDR_MEMORY_DESCRIPTOR MemoryMap, ULONG MaxMemoryMapSi MEMORY_INIT_FAILURE, __FILE__, __LINE__, - "The BIOS reported a usable memory range up to 0x%x, which is too small!\n" - "Required size is 0x%x\n\n" + "The BIOS reported a usable memory range up to 0x%lx, which is too small!\n" + "Required size is 0x%lx\n\n" "If you see this, please report to the ReactOS team!", Size, RequiredSize); } @@ -256,17 +257,26 @@ PcMemGetBiosMemoryMap(PFREELDR_MEMORY_DESCRIPTOR MemoryMap, ULONG MaxMemoryMapSi Regs.w.di = BIOSCALLBUFOFFSET; Int386(0x15, &Regs, &Regs); - TRACE("Memory Map Entry %d\n", PcBiosMapCount); + TRACE("Memory Map Entry %lu\n", PcBiosMapCount); TRACE("Int15h AX=E820h\n"); - TRACE("EAX = 0x%x\n", Regs.x.eax); - TRACE("EBX = 0x%x\n", Regs.x.ebx); - TRACE("ECX = 0x%x\n", Regs.x.ecx); + TRACE("EAX = 0x%lx\n", Regs.x.eax); + TRACE("EBX = 0x%lx\n", Regs.x.ebx); + TRACE("ECX = 0x%lx\n", Regs.x.ecx); TRACE("CF set = %s\n", (Regs.x.eflags & EFLAGS_CF) ? "TRUE" : "FALSE"); /* If the BIOS didn't return 'SMAP' in EAX then - * it doesn't support this call. If CF is set, we're done */ - if (Regs.x.eax != 0x534D4150 || !INT386_SUCCESS(Regs)) + * it doesn't support this call. */ + if (Regs.x.eax != 0x534D4150) + { + WARN("BIOS doesn't support Int15h AX=E820h!\n\n"); + break; + } + + /* If the carry flag is set, + * then this call was past the last entry, so we're done. */ + if (!INT386_SUCCESS(Regs)) { + TRACE("End of System Memory Map! (Past last)\n\n"); break; } @@ -297,6 +307,10 @@ PcMemGetBiosMemoryMap(PFREELDR_MEMORY_DESCRIPTOR MemoryMap, ULONG MaxMemoryMapSi if (EndAddress <= RealBaseAddress) { /* This doesn't span any page, so continue with next range */ + TRACE("Skipping aligned range < PAGE_SIZE. (PcBiosMapCount = %lu, BaseAddress = %lu, Length = %lu)\n", + PcBiosMapCount, + PcBiosMemoryMap[PcBiosMapCount].BaseAddress, + PcBiosMemoryMap[PcBiosMapCount].Length); continue; } @@ -321,7 +335,19 @@ PcMemGetBiosMemoryMap(PFREELDR_MEMORY_DESCRIPTOR MemoryMap, ULONG MaxMemoryMapSi } /* Check if we can add this descriptor */ - if ((RealSize >= MM_PAGE_SIZE) && (PcMapCount < MaxMemoryMapSize)) + if (RealSize < MM_PAGE_SIZE) + { + TRACE("Skipping aligned range < MM_PAGE_SIZE. (PcBiosMapCount = %lu, BaseAddress = %lu, Length = %lu)\n", + PcBiosMapCount, + PcBiosMemoryMap[PcBiosMapCount].BaseAddress, + PcBiosMemoryMap[PcBiosMapCount].Length); + } + else if (PcMapCount >= MaxMemoryMapSize) + { + ERR("PcMemoryMap is already full! (PcBiosMapCount = %lu, PcMapCount = %lu (>= %lu))\n", + PcBiosMapCount, PcMapCount, MaxMemoryMapSize); + } + else { /* Add the descriptor */ PcMapCount = AddMemoryDescriptor(PcMemoryMap, @@ -333,17 +359,16 @@ PcMemGetBiosMemoryMap(PFREELDR_MEMORY_DESCRIPTOR MemoryMap, ULONG MaxMemoryMapSi PcBiosMapCount++; - /* If the continuation value is zero or the - * carry flag is set then this was - * the last entry so we're done */ + /* If the continuation value is zero, + * then this was the last entry, so we're done. */ if (Regs.x.ebx == 0x00000000) { - TRACE("End Of System Memory Map!\n\n"); + TRACE("End of System Memory Map! (Reset)\n\n"); break; } } - TRACE("GetBiosMemoryMap end, PcBiosMapCount = %ld\n", PcBiosMapCount); + TRACE("PcMemGetBiosMemoryMap end: PcBiosMapCount = %lu\n", PcBiosMapCount); return PcBiosMapCount; } @@ -415,6 +440,7 @@ PcMemGetMemoryMap(ULONG *MemoryMapSize) ULONG ExtendedMemorySizeAtOneMB; ULONG ExtendedMemorySizeAtSixteenMB; ULONG EbdaBase, EbdaSize; + TRACE("PcMemGetMemoryMap()\n"); EntryCount = PcMemGetBiosMemoryMap(PcMemoryMap, MAX_BIOS_DESCRIPTORS); -- To stop receiving notification emails like this one, please contact the administrator of this repository.

1 0

[reactos] 01/01: [CLASS2]: Fix status code on too small as exposed by kernel32:DeviceIoControl
by Pierre Schweitzer 04 Oct '17

04 Oct '17

1 0

[reactos] 01/01: Delete README
by Alexander Shaposhnikov 04 Oct '17

04 Oct '17

This is an automated email from the git hooks/post-receive script. www-data pushed a commit to branch master in repository reactos. View the commit online: https://git.reactos.org/?p=reactos.git;a=commitdiff;h=9f8693a4e4861a36d4dc7… commit 9f8693a4e4861a36d4dc7145f23201571a518f54 Author: Alexander Shaposhnikov <sanchaez(a)hotmail.com> AuthorDate: Wed Oct 4 21:58:32 2017 +0300 Delete README --- README | 32 -------------------------------- 1 file changed, 32 deletions(-) diff --git a/README b/README deleted file mode 100644 index dcb2d9bddd..0000000000 --- a/README +++ /dev/null @@ -1,32 +0,0 @@ -======================== -ReactOS� Version 0.4.x -Updated January 5, 2016 -======================== - -1. What is ReactOS? -------------------- - -ReactOS� is an Open Source effort to develop a quality operating system that is -compatible with applications and drivers written for the Microsoft� Windows� NT -family of operating systems (NT4, 2000, XP, 2003, Vista, Seven). - -The ReactOS project, although currently focused on Windows Server 2003 -compatibility, is always keeping an eye toward compatibility with -Windows Vista and future Windows NT releases. - -More information is available at: https://www.reactos.org - -2. Building ReactOS -------------------- - -See the INSTALL file for more details. - -3. More information -------------------- - -See the media\doc subdirectory for some sparse notes. - -4. Who is responsible ---------------------- - -See the CREDITS file. -- To stop receiving notification emails like this one, please contact the administrator of this repository.

1 0

[reactos] 01/01: Delete README
by Alexander Shaposhnikov 04 Oct '17

04 Oct '17

This is an automated email from the git hooks/post-receive script. www-data pushed a commit to branch sanchaez-patch-1 in repository reactos. View the commit online: https://git.reactos.org/?p=reactos.git;a=commitdiff;h=c5103c6765f6310da59a6… commit c5103c6765f6310da59a6f2d3c01ca1b913e112b Author: Alexander Shaposhnikov <sanchaez(a)hotmail.com> AuthorDate: Wed Oct 4 21:58:32 2017 +0300 Delete README --- README | 32 -------------------------------- 1 file changed, 32 deletions(-) diff --git a/README b/README deleted file mode 100644 index dcb2d9bddd..0000000000 --- a/README +++ /dev/null @@ -1,32 +0,0 @@ -======================== -ReactOS� Version 0.4.x -Updated January 5, 2016 -======================== - -1. What is ReactOS? -------------------- - -ReactOS� is an Open Source effort to develop a quality operating system that is -compatible with applications and drivers written for the Microsoft� Windows� NT -family of operating systems (NT4, 2000, XP, 2003, Vista, Seven). - -The ReactOS project, although currently focused on Windows Server 2003 -compatibility, is always keeping an eye toward compatibility with -Windows Vista and future Windows NT releases. - -More information is available at: https://www.reactos.org - -2. Building ReactOS -------------------- - -See the INSTALL file for more details. - -3. More information -------------------- - -See the media\doc subdirectory for some sparse notes. - -4. Who is responsible ---------------------- - -See the CREDITS file. -- To stop receiving notification emails like this one, please contact the administrator of this repository.

1 0

Jump to page:

2026

2025

2024

2023

2022

2021

2020

2019

2018

2017

2016

2015

2014

2013

2012

2011

2010

2009

2008

2007

2006

2005

2004

Ros-diffs