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https://github.com/reactos/reactos.git
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Added a service table registration function
svn path=/trunk/; revision=590
This commit is contained in:
Rex Jolliff
parent
932d4770ec
commit
367fbb2a1f
2
reactos/iface/native/.cvsignore
Normal file
2
reactos/iface/native/.cvsignore
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@ -0,0 +1,2 @@
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genntdll
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genntdll.exe
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@ -5,6 +5,8 @@
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#ifndef __INTERNAL_HAL_HAL_H
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#define __INTERNAL_HAL_HAL_H
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#include <internal/service.h>
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typedef struct
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{
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unsigned short previous_task;
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@ -71,5 +73,9 @@ VOID Hal_bios32_probe(VOID);
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*/
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BOOLEAN Hal_bios32_is_service_present(ULONG service);
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NTSTATUS HalRegisterServiceTable(DWORD Mask,
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DWORD Value,
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PSERVICE_TABLE Table,
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DWORD Count);
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#endif /* __INTERNAL_HAL_HAL_H */
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@ -1,5 +1,13 @@
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typedef struct
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#ifndef __INTERNAL_SERVICE_H
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#define __INTERNAL_SERVICE_H
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typedef struct _SERVICE_TABLE
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{
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ULONG ParametersSize;
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ULONG Function;
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unsigned long ParametersSize;
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unsigned long Function;
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} SERVICE_TABLE, *PSERVICE_TABLE;
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#endif
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2
reactos/lib/gdi32/.cvsignore
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2
reactos/lib/gdi32/.cvsignore
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@ -0,0 +1,2 @@
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gdi32.coff
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gdi32.dll
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@ -1,3 +1,5 @@
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base.tmp
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junk.tmp
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ntoskrnl.coff
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objects
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temp.exp
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@ -7,13 +7,57 @@
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#define NDEBUG
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#include <internal/debug.h>
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#include <internal/service.h>
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/* The service dispatcher will take the service number passed in
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* by the user mode process, logical and it with ServiceNumberMask
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* and compare the resulting value with ServiceNumberValue. If the
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* value matches, The passed service number will be and'ed with the
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* inverse of ServiceNumberMask to obtain the index into the ServiceTable
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* for the service to call
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*/
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typedef struct _HAL_DISPATCH_TABLE_ENTRY
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{
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DWORD ServiceNumberMask;
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DWORD ServiceNumberValue;
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PSERVICE_TABLE ServiceTable;
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DWORD TableCount;
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} HAL_DISPATCH_TABLE_ENTRY, *PHAL_DISPATCH_TABLE_ENTRY;
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static KSPIN_LOCK DispatchTableLock = {0,};
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static DWORD DispatchTableCount = 0;
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static HAL_DISPATCH_TABLE_ENTRY DispatchTables[16];
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NTSTATUS HalRegisterServiceTable(DWORD Mask,
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DWORD Value,
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PSERVICE_TABLE Table,
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DWORD Count)
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{
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NTSTATUS Status;
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KIRQL OldLvl;
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KeAcquireSpinLock(&DispatchTableLock, &OldLvl);
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Status = STATUS_SUCCESS;
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/* FIXME: should check for invalid/overlapping service tables */
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DispatchTables[DispatchTableCount].ServiceNumberMask = Mask;
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DispatchTables[DispatchTableCount].ServiceNumberValue = Value;
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DispatchTables[DispatchTableCount].ServiceTable = Table;
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DispatchTables[DispatchTableCount].TableCount = Count;
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DispatchTableCount++;
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KeReleaseSpinLock(&DispatchTableLock, OldLvl);
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return Status;
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}
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#define _STR(x) #x
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#define STR(x) _STR(x)
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void PsBeginThreadWithContextInternal(void);
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__asm__("\n\t.global _PsBeginThreadWithContextInternal\n\t"
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__asm__(
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"\n\t.global _PsBeginThreadWithContextInternal\n\t"
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"_PsBeginThreadWithContextInternal:\n\t"
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"pushl $0\n\t"
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"call _KeLowerIrql\n\t"
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@ -41,31 +85,54 @@ void PsBeginThreadWithContextInternal(void);
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void interrupt_handler2e(void);
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__asm__("\n\t.global _interrupt_handler2e\n\t"
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"_interrupt_handler2e:\n\t"
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"pushl %ds\n\t"
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"pushl %es\n\t"
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"pushl %esi\n\t"
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"pushl %edi\n\t"
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"pushl %ebp\n\t"
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"pushl %ebx\n\t"
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"movw $"STR(KERNEL_DS)",%bx\n\t"
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"movw %bx,%es\n\t"
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"movl %esp,%ebp\n\t"
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"movl %edx,%esi\n\t"
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"movl %es:__SystemServiceTable(,%eax,8),%ecx\n\t"
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"subl %ecx,%esp\n\t"
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"movl %esp,%edi\n\t"
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"rep\n\tmovsb\n\t"
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"movw %bx,%ds\n\t"
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"movl %ds:__SystemServiceTable+4(,%eax,8),%eax\n\t"
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"call *%eax\n\t"
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"movl %ebp,%esp\n\t"
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"popl %ebx\n\t"
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"popl %ebp\n\t"
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"popl %edi\n\t"
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"popl %esi\n\t"
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"popl %es\n\t"
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"popl %ds\n\t"
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"iret\n\t");
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"_interrupt_handler2e:\n\t"
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/* Save the users context */
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"pushl %ds\n\t"
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"pushl %es\n\t"
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"pushl %esi\n\t"
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"pushl %edi\n\t"
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"pushl %ebp\n\t"
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"pushl %ebx\n\t"
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/* Set ES to kernel segment */
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"movw $"STR(KERNEL_DS)",%bx\n\t"
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"movw %bx,%es\n\t"
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/* Allocate new Kernel stack frame */
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"movl %esp,%ebp\n\t"
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/* Users's current stack frame pointer is source */
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"movl %edx,%esi\n\t"
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/* FIXME: determine system service table to use */
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/* FIXME: chech to see if SS is valid/inrange */
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/* Allocate room for argument list from kernel stack */
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"movl %es:__SystemServiceTable(,%eax,8),%ecx\n\t"
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"subl %ecx,%esp\n\t"
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/* Copy the arguments from the user stack to the kernel stack */
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"movl %esp,%edi\n\t"
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"rep\n\tmovsb\n\t"
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/* DS is now also kernel segment */
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"movw %bx,%ds\n\t"
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/* Make the system service call */
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"movl %ds:__SystemServiceTable+4(,%eax,8),%eax\n\t"
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"call *%eax\n\t"
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/* Deallocate the kernel stack frame */
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"movl %ebp,%esp\n\t"
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/* Restore the user context */
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"popl %ebx\n\t"
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"popl %ebp\n\t"
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"popl %edi\n\t"
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"popl %esi\n\t"
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"popl %es\n\t"
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"popl %ds\n\t"
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"iret\n\t");
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@ -66,6 +66,7 @@ ExSystemTimeToLocalTime
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ExTryToAcquireFastMutex
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ExTryToAcquireResourceExclusiveLite
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HalGetInterruptVector
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HalRegisterServiceTable
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KeBugCheck
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KeBugCheckEx
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KeFlushIoBuffers
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@ -1,2 +1,5 @@
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base.tmp
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junk.tmp
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temp.exp
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win32k.coff
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win32k.sys
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