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- Added more debugging messages for video port driver Int 10 services.

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svn path=/trunk/; revision=8322
This commit is contained in:
Filip Navara 2004-02-22 22:19:42 +00:00
parent 63aeee7369
commit cc1c862dae
1 changed files with 26 additions and 1 deletions
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27
reactos/drivers/video/videoprt/int10.c
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@ -18,7 +18,7 @@
* If not, write to the Free Software Foundation,
* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*
* $Id: int10.c,v 1.1 2004/01/19 15:56:53 navaraf Exp $
* $Id: int10.c,v 1.2 2004/02/22 22:19:42 navaraf Exp $
*/
#include "videoprt.h"
@ -94,18 +94,24 @@ IntInt10AllocateBuffer(
Length, MEM_COMMIT, PAGE_EXECUTE_READWRITE);
if (!NT_SUCCESS(Status))
{
DPRINT("- ZwAllocateVirtualMemory failed\n");
return STATUS_NO_MEMORY;
}
if (MemoryAddress > (PVOID)(0x100000 - *Length))
{
ZwFreeVirtualMemory(NtCurrentProcess(), &MemoryAddress, Length,
MEM_RELEASE);
DPRINT("- Unacceptable memory allocated\n");
return STATUS_NO_MEMORY;
}
*Seg = (ULONG)MemoryAddress >> 4;
*Off = (ULONG)MemoryAddress & 0xFF;
DPRINT("- Segment: %x\n", (ULONG)MemoryAddress >> 4);
DPRINT("- Offset: %x\n", (ULONG)MemoryAddress & 0xFF);
DPRINT("- Length: %x\n", *Length);
return STATUS_SUCCESS;
}
@ -117,6 +123,8 @@ IntInt10FreeBuffer(
{
PVOID MemoryAddress = (PVOID)((Seg << 4) + Off);
DPRINT("IntInt10FreeBuffer\n");
DPRINT("- Segment: %x\n", Seg);
DPRINT("- Offset: %x\n", Off);
return ZwFreeVirtualMemory(NtCurrentProcess(), &MemoryAddress, 0,
MEM_RELEASE);
}
@ -130,6 +138,10 @@ IntInt10ReadMemory(
IN ULONG Length)
{
DPRINT("IntInt10ReadMemory\n");
DPRINT("- Segment: %x\n", Seg);
DPRINT("- Offset: %x\n", Off);
DPRINT("- Buffer: %x\n", Buffer);
DPRINT("- Length: %x\n", Length);
RtlCopyMemory(Buffer, (PVOID)((Seg << 4) + Off), Length);
return STATUS_SUCCESS;
}
@ -143,6 +155,10 @@ IntInt10WriteMemory(
IN ULONG Length)
{
DPRINT("IntInt10WriteMemory\n");
DPRINT("- Segment: %x\n", Seg);
DPRINT("- Offset: %x\n", Off);
DPRINT("- Buffer: %x\n", Buffer);
DPRINT("- Length: %x\n", Length);
RtlCopyMemory((PVOID)((Seg << 4) + Off), Buffer, Length);
return STATUS_SUCCESS;
}
@ -175,14 +191,23 @@ IntInt10CallBios(
}
memset(&Regs, 0, sizeof(Regs));
DPRINT("- Input register Eax: %x\n", BiosArguments->Eax);
Regs.Eax = BiosArguments->Eax;
DPRINT("- Input register Ebx: %x\n", BiosArguments->Ebx);
Regs.Ebx = BiosArguments->Ebx;
DPRINT("- Input register Ecx: %x\n", BiosArguments->Ecx);
Regs.Ecx = BiosArguments->Ecx;
DPRINT("- Input register Edx: %x\n", BiosArguments->Edx);
Regs.Edx = BiosArguments->Edx;
DPRINT("- Input register Esi: %x\n", BiosArguments->Esi);
Regs.Esi = BiosArguments->Esi;
DPRINT("- Input register Edi: %x\n", BiosArguments->Edi);
Regs.Edi = BiosArguments->Edi;
DPRINT("- Input register Ebp: %x\n", BiosArguments->Ebp);
Regs.Ebp = BiosArguments->Ebp;
DPRINT("- Input register SegDs: %x\n", BiosArguments->SegDs);
Regs.Ds = BiosArguments->SegDs;
DPRINT("- Input register SegEs: %x\n", BiosArguments->SegEs);
Regs.Es = BiosArguments->SegEs;
Status = Ke386CallBios(0x10, &Regs);
BiosArguments->Eax = Regs.Eax;