fabi/Xenia-Canary
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

[Kernel] Fixed invalid thread pointer in KeEnableFpuExceptions

Browse Source
This commit is contained in:
Gliniak
2022-12-08 21:48:13 +01:00
parent 747fb42bdf
commit 7c5da821d4
1 changed files with 2 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files

3
src/xenia/kernel/xboxkrnl/xboxkrnl_misc.cc
View File

@@ -24,7 +24,8 @@ void KeEnableFpuExceptions_entry(
// TODO(benvanik): can we do anything about exceptions? // TODO(benvanik): can we do anything about exceptions?
// theres a lot more thats supposed to happen here, the floating point state has to be saved to kthread, the irql changes, the machine state register is changed to enable exceptions // theres a lot more thats supposed to happen here, the floating point state has to be saved to kthread, the irql changes, the machine state register is changed to enable exceptions
X_KTHREAD* kthread = ctx->TranslateVirtualGPR<X_KTHREAD*>(ctx->r[13]); X_KTHREAD* kthread = ctx->TranslateVirtual<X_KTHREAD*>(
ctx->TranslateVirtualGPR<X_KPCR*>(ctx->r[13])->current_thread);
kthread->fpu_exceptions_on = static_cast<uint32_t>(ctx->r[3]) != 0; kthread->fpu_exceptions_on = static_cast<uint32_t>(ctx->r[3]) != 0;
} }
DECLARE_XBOXKRNL_EXPORT1(KeEnableFpuExceptions, kNone, kStub); DECLARE_XBOXKRNL_EXPORT1(KeEnableFpuExceptions, kNone, kStub);