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Improved driver loading/unloading

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This commit is contained in:
Alex
2022-12-18 14:31:02 +02:00
parent 02f592ede9
commit e4ec9d87b8
7 changed files with 70 additions and 53 deletions
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15
Core/Driver/Driver.cpp
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@ -39,6 +39,7 @@ namespace Driver
debug("Stopping & unloading driver %ld [%#lx]", drv->DriverUID, drv->Address);
DriverManager->IOCB(drv->DriverUID, (void *)&callback);
delete drv->MemTrk;
for (size_t i = 0; i < sizeof(drv->InterruptHook) / sizeof(drv->InterruptHook[0]); i++)
{
if (!drv->InterruptHook[i])
@ -59,6 +60,7 @@ namespace Driver
debug("Stopping & unloading driver %ld [%#lx]", drv->DriverUID, drv->Address);
DriverManager->IOCB(drv->DriverUID, (void *)&callback);
delete drv->MemTrk;
for (size_t i = 0; i < sizeof(drv->InterruptHook) / sizeof(drv->InterruptHook[0]); i++)
{
if (!drv->InterruptHook[i])
@ -81,16 +83,15 @@ namespace Driver
return -1;
}
DriverCode Driver::CallDriverEntryPoint(void *fex)
DriverCode Driver::CallDriverEntryPoint(void *fex, void *KAPIAddress)
{
KernelAPI *API = (KernelAPI *)KernelAllocator.RequestPages(TO_PAGES(sizeof(KernelAPI)));
memcpy(API, &KAPI, sizeof(KernelAPI));
memcpy(KAPIAddress, &KernelAPITemplate, sizeof(KernelAPI));
API->Info.Offset = (unsigned long)fex;
API->Info.DriverUID = DriverUIDs++;
((KernelAPI *)KAPIAddress)->Info.Offset = (unsigned long)fex;
((KernelAPI *)KAPIAddress)->Info.DriverUID = DriverUIDs++;
debug("Calling driver entry point ( %#lx %ld )", (unsigned long)fex, API->Info.DriverUID);
int ret = ((int (*)(KernelAPI *))((uint64_t)((Fex *)fex)->EntryPoint + (uint64_t)fex))(API);
debug("Calling driver entry point ( %#lx %ld )", (unsigned long)fex, ((KernelAPI *)KAPIAddress)->Info.DriverUID);
int ret = ((int (*)(KernelAPI *))((uint64_t)((Fex *)fex)->EntryPoint + (uint64_t)fex))(((KernelAPI *)KAPIAddress));
if (DriverReturnCode::OK != ret)
return DriverCode::DRIVER_RETURNED_ERROR;