From ec28d3c439c0dad5a18cc3c6216074deaf60d717 Mon Sep 17 00:00:00 2001 From: Morph <39850852+Morph1984@users.noreply.github.com> Date: Tue, 25 May 2021 01:44:46 -0400 Subject: [PATCH] kernel: process_capability: Add MapRegion capability - Used by nx-hbloader --- src/core/hle/kernel/process_capability.cpp | 9 +++++++++ src/core/hle/kernel/process_capability.h | 3 +++ 2 files changed, 12 insertions(+) diff --git a/src/core/hle/kernel/process_capability.cpp b/src/core/hle/kernel/process_capability.cpp index fcb8b1ea5..b2ceeceb3 100644 --- a/src/core/hle/kernel/process_capability.cpp +++ b/src/core/hle/kernel/process_capability.cpp @@ -22,6 +22,7 @@ enum : u32 { CapabilityOffset_Syscall = 4, CapabilityOffset_MapPhysical = 6, CapabilityOffset_MapIO = 7, + CapabilityOffset_MapRegion = 10, CapabilityOffset_Interrupt = 11, CapabilityOffset_ProgramType = 13, CapabilityOffset_KernelVersion = 14, @@ -46,6 +47,7 @@ enum class CapabilityType : u32 { Syscall = (1U << CapabilityOffset_Syscall) - 1, MapPhysical = (1U << CapabilityOffset_MapPhysical) - 1, MapIO = (1U << CapabilityOffset_MapIO) - 1, + MapRegion = (1U << CapabilityOffset_MapRegion) - 1, Interrupt = (1U << CapabilityOffset_Interrupt) - 1, ProgramType = (1U << CapabilityOffset_ProgramType) - 1, KernelVersion = (1U << CapabilityOffset_KernelVersion) - 1, @@ -187,6 +189,8 @@ ResultCode ProcessCapabilities::ParseSingleFlagCapability(u32& set_flags, u32& s return HandleSyscallFlags(set_svc_bits, flag); case CapabilityType::MapIO: return HandleMapIOFlags(flag, page_table); + case CapabilityType::MapRegion: + return HandleMapRegionFlags(flag, page_table); case CapabilityType::Interrupt: return HandleInterruptFlags(flag); case CapabilityType::ProgramType: @@ -298,6 +302,11 @@ ResultCode ProcessCapabilities::HandleMapIOFlags(u32 flags, KPageTable& page_tab return RESULT_SUCCESS; } +ResultCode ProcessCapabilities::HandleMapRegionFlags(u32 flags, KPageTable& page_table) { + // TODO(Lioncache): Implement once the memory manager can handle this. + return RESULT_SUCCESS; +} + ResultCode ProcessCapabilities::HandleInterruptFlags(u32 flags) { constexpr u32 interrupt_ignore_value = 0x3FF; const u32 interrupt0 = (flags >> 12) & 0x3FF; diff --git a/src/core/hle/kernel/process_capability.h b/src/core/hle/kernel/process_capability.h index b7a9b2e45..2a7bf5505 100644 --- a/src/core/hle/kernel/process_capability.h +++ b/src/core/hle/kernel/process_capability.h @@ -231,6 +231,9 @@ private: /// Handles flags related to mapping IO pages. ResultCode HandleMapIOFlags(u32 flags, KPageTable& page_table); + /// Handles flags related to mapping physical memory regions. + ResultCode HandleMapRegionFlags(u32 flags, KPageTable& page_table); + /// Handles flags related to the interrupt capability flags. ResultCode HandleInterruptFlags(u32 flags);