https://git.reactos.org/?p=reactos.git;a=commitdiff;h=44898a4ea4b445d57063fe281b1785164887b754
commit 44898a4ea4b445d57063fe281b1785164887b754 Author: Mark Jansen <[email protected]> AuthorDate: Mon Oct 8 23:12:19 2018 +0200 Commit: Mark Jansen <[email protected]> CommitDate: Sat Oct 20 00:14:44 2018 +0200 [NTVDM] Implement INT21, AX=4408, Determine if a block device is removable. --- subsystems/mvdm/ntvdm/dos/dos32krnl/dosfiles.c | 70 +++++++++++++++++++++++++- 1 file changed, 69 insertions(+), 1 deletion(-) diff --git a/subsystems/mvdm/ntvdm/dos/dos32krnl/dosfiles.c b/subsystems/mvdm/ntvdm/dos/dos32krnl/dosfiles.c index fea885a71b..b636e225db 100644 --- a/subsystems/mvdm/ntvdm/dos/dos32krnl/dosfiles.c +++ b/subsystems/mvdm/ntvdm/dos/dos32krnl/dosfiles.c @@ -1125,11 +1125,79 @@ BOOLEAN DosUnlockFile(WORD DosHandle, DWORD Offset, DWORD Size) return TRUE; } +BOOLEAN DosDeviceIoControlDrive(WORD DriveNumber, BYTE ControlCode, DWORD Buffer, PWORD Result) +{ + CHAR RootPath[] = "?:\\"; + + if (DriveNumber == 0x00) + RootPath[0] = 'A' + Sda->CurrentDrive; + else + RootPath[0] = 'A' + DriveNumber - 1; + + switch (ControlCode) + { + case 0x04: + DPRINT1("UNIMPLEMENTED INT 21h, 4404h, Read from block device %s\n", RootPath); + Sda->LastErrorCode = ERROR_INVALID_FUNCTION; + break; + case 0x05: + DPRINT1("UNIMPLEMENTED INT 21h, 4405h, Write block device control string %s\n", RootPath); + Sda->LastErrorCode = ERROR_INVALID_FUNCTION; + break; + case 0x08: + { + DWORD DriveType = GetDriveTypeA(RootPath); + + switch (DriveType) + { + case DRIVE_UNKNOWN: + case DRIVE_NO_ROOT_DIR: + default: + DPRINT1("INT 21h, 4408h, %s -> DriveType = 0x%x\n", RootPath, DriveType); + *Result = 0x000f; + return TRUE; + case DRIVE_REMOVABLE: + case DRIVE_CDROM: + *Result = 0x0000; + return TRUE; + case DRIVE_FIXED: + *Result = 0x0001; + return TRUE; + case DRIVE_REMOTE: + case DRIVE_RAMDISK: // ?? + break; + } + Sda->LastErrorCode = ERROR_INVALID_FUNCTION; + return FALSE; + } + case 0x09: + DPRINT1("UNIMPLEMENTED INT 21h, 4409h, Determine if a logical device is local or remote %s\n", RootPath); + Sda->LastErrorCode = ERROR_INVALID_FUNCTION; + return FALSE; + default: + assert(0); + break; + } + + return FALSE; +} + BOOLEAN DosDeviceIoControl(WORD FileHandle, BYTE ControlCode, DWORD Buffer, PWORD Length) { - PDOS_FILE_DESCRIPTOR Descriptor = DosGetHandleFileDescriptor(FileHandle); + PDOS_FILE_DESCRIPTOR Descriptor; PDOS_DEVICE_NODE Node = NULL; + switch (ControlCode) + { + case 0x04: + case 0x05: + case 0x08: + case 0x09: + return DosDeviceIoControlDrive(FileHandle, ControlCode, Buffer, Length); + } + + Descriptor = DosGetHandleFileDescriptor(FileHandle); + if (!Descriptor) { Sda->LastErrorCode = ERROR_INVALID_HANDLE;
