From bd599343505d202dc3d8226ca80d5f1af0247bf2 Mon Sep 17 00:00:00 2001 From: Liam Date: Thu, 30 Nov 2023 14:05:02 -0500 Subject: nce: implement instruction emulation for misaligned memory accesses --- src/core/arm/nce/arm_nce.h | 13 ++++++++++--- 1 file changed, 10 insertions(+), 3 deletions(-) (limited to 'src/core/arm/nce/arm_nce.h') diff --git a/src/core/arm/nce/arm_nce.h b/src/core/arm/nce/arm_nce.h index f55c10d1d..be9b304c4 100644 --- a/src/core/arm/nce/arm_nce.h +++ b/src/core/arm/nce/arm_nce.h @@ -61,7 +61,8 @@ private: static void ReturnToRunCodeByExceptionLevelChangeSignalHandler(int sig, void* info, void* raw_context); static void BreakFromRunCodeSignalHandler(int sig, void* info, void* raw_context); - static void GuestFaultSignalHandler(int sig, void* info, void* raw_context); + static void GuestAlignmentFaultSignalHandler(int sig, void* info, void* raw_context); + static void GuestAccessFaultSignalHandler(int sig, void* info, void* raw_context); static void LockThreadParameters(void* tpidr); static void UnlockThreadParameters(void* tpidr); @@ -70,8 +71,11 @@ private: // C++ implementation functions for assembly definitions. static void* RestoreGuestContext(void* raw_context); static void SaveGuestContext(GuestContext* ctx, void* raw_context); - static bool HandleGuestFault(GuestContext* ctx, void* info, void* raw_context); - static void HandleHostFault(int sig, void* info, void* raw_context); + static bool HandleFailedGuestFault(GuestContext* ctx, void* info, void* raw_context); + static bool HandleGuestAlignmentFault(GuestContext* ctx, void* info, void* raw_context); + static bool HandleGuestAccessFault(GuestContext* ctx, void* info, void* raw_context); + static void HandleHostAlignmentFault(int sig, void* info, void* raw_context); + static void HandleHostAccessFault(int sig, void* info, void* raw_context); public: Core::System& m_system; @@ -83,6 +87,9 @@ public: // Core context. GuestContext m_guest_ctx{}; Kernel::KThread* m_running_thread{}; + + // Stack for signal processing. + std::unique_ptr m_stack{}; }; } // namespace Core -- cgit v1.2.3