From 7901de2b75bf527790c3c24e6667b275e2ebeb2b Mon Sep 17 00:00:00 2001 From: Zach Hilman Date: Fri, 9 Nov 2018 17:02:50 -0500 Subject: svc: Implement svcCreateTransferMemory Seems to be used and created identically to SharedMemory, so just reuse that. --- src/core/hle/kernel/svc.cpp | 36 +++++++++++++++++++++++++++++++++--- 1 file changed, 33 insertions(+), 3 deletions(-) (limited to 'src/core/hle/kernel') diff --git a/src/core/hle/kernel/svc.cpp b/src/core/hle/kernel/svc.cpp index 2e7c9d094..20af65ee7 100644 --- a/src/core/hle/kernel/svc.cpp +++ b/src/core/hle/kernel/svc.cpp @@ -1194,9 +1194,39 @@ static ResultCode ResetSignal(Handle handle) { /// Creates a TransferMemory object static ResultCode CreateTransferMemory(Handle* handle, VAddr addr, u64 size, u32 permissions) { - LOG_WARNING(Kernel_SVC, "(STUBBED) called addr=0x{:X}, size=0x{:X}, perms=0x{:08X}", addr, size, - permissions); - *handle = 0; + LOG_DEBUG(Kernel_SVC, "called addr=0x{:X}, size=0x{:X}, perms=0x{:08X}", addr, size, + permissions); + + if (!Common::Is4KBAligned(addr)) { + LOG_ERROR(Kernel_SVC, "Address ({:016X}) is not page aligned!", addr); + return ERR_INVALID_ADDRESS; + } + + if (!Common::Is4KBAligned(size) || size == 0) { + LOG_ERROR(Kernel_SVC, "Size ({:016X}) is not page aligned or equal to zero!", size); + return ERR_INVALID_ADDRESS; + } + + if (addr + size <= addr) { + LOG_ERROR(Kernel_SVC, "Address and size cause overflow! (address={:016X}, size={:016X})", + addr, size); + return ERR_INVALID_ADDRESS_STATE; + } + + if (permissions > static_cast(MemoryPermission::ReadWrite) || + permissions == static_cast(MemoryPermission::Write)) { + LOG_ERROR(Kernel_SVC, "Invalid memory permissions for transfer memory! (perms={:08X})", + permissions); + return ERR_INVALID_MEMORY_PERMISSIONS; + } + + auto& kernel = Core::System::GetInstance().Kernel(); + auto& handle_table = Core::CurrentProcess()->GetHandleTable(); + const auto perms = static_cast(permissions); + const auto shared_mem_handle = SharedMemory::Create( + kernel, handle_table.Get(CurrentProcess), size, perms, perms, addr); + + CASCADE_RESULT(*handle, handle_table.Create(shared_mem_handle)); return RESULT_SUCCESS; } -- cgit v1.2.3 From e696ed1f4d20f28f8b26c637498962938df7d96f Mon Sep 17 00:00:00 2001 From: Zach Hilman Date: Sun, 11 Nov 2018 16:39:25 -0500 Subject: am: Deglobalize software keyboard applet --- src/core/hle/kernel/svc.cpp | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) (limited to 'src/core/hle/kernel') diff --git a/src/core/hle/kernel/svc.cpp b/src/core/hle/kernel/svc.cpp index 20af65ee7..f84b00a00 100644 --- a/src/core/hle/kernel/svc.cpp +++ b/src/core/hle/kernel/svc.cpp @@ -1207,14 +1207,15 @@ static ResultCode CreateTransferMemory(Handle* handle, VAddr addr, u64 size, u32 return ERR_INVALID_ADDRESS; } - if (addr + size <= addr) { + if (!IsValidAddressRange(addr, size)) { LOG_ERROR(Kernel_SVC, "Address and size cause overflow! (address={:016X}, size={:016X})", addr, size); return ERR_INVALID_ADDRESS_STATE; } - if (permissions > static_cast(MemoryPermission::ReadWrite) || - permissions == static_cast(MemoryPermission::Write)) { + const auto perms = static_cast(permissions); + if (perms != MemoryPermission::None && perms != MemoryPermission::Read && + perms != MemoryPermission::ReadWrite) { LOG_ERROR(Kernel_SVC, "Invalid memory permissions for transfer memory! (perms={:08X})", permissions); return ERR_INVALID_MEMORY_PERMISSIONS; @@ -1222,7 +1223,6 @@ static ResultCode CreateTransferMemory(Handle* handle, VAddr addr, u64 size, u32 auto& kernel = Core::System::GetInstance().Kernel(); auto& handle_table = Core::CurrentProcess()->GetHandleTable(); - const auto perms = static_cast(permissions); const auto shared_mem_handle = SharedMemory::Create( kernel, handle_table.Get(CurrentProcess), size, perms, perms, addr); -- cgit v1.2.3