bunnei
GitHub
commit
de28cd0c2d
6 changed files with 738 additions and 0 deletions
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@ -182,6 +182,8 @@ add_library(core STATIC
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hle/kernel/k_auto_object_container.cpp
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hle/kernel/k_auto_object_container.h
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hle/kernel/k_affinity_mask.h
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hle/kernel/k_capabilities.cpp
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hle/kernel/k_capabilities.h
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hle/kernel/k_class_token.cpp
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hle/kernel/k_class_token.h
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hle/kernel/k_client_port.cpp
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@ -25,6 +25,26 @@ constexpr std::array<s32, Common::BitSize<u64>()> VirtualToPhysicalCoreMap{
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 3,
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};
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static constexpr inline size_t NumVirtualCores = Common::BitSize<u64>();
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static constexpr inline u64 VirtualCoreMask = [] {
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u64 mask = 0;
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for (size_t i = 0; i < NumVirtualCores; ++i) {
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mask |= (UINT64_C(1) << i);
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}
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return mask;
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}();
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static constexpr inline u64 ConvertVirtualCoreMaskToPhysical(u64 v_core_mask) {
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u64 p_core_mask = 0;
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while (v_core_mask != 0) {
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const u64 next = std::countr_zero(v_core_mask);
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v_core_mask &= ~(static_cast<u64>(1) << next);
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p_core_mask |= (static_cast<u64>(1) << VirtualToPhysicalCoreMap[next]);
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}
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return p_core_mask;
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}
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// Cortex-A57 supports 4 memory watchpoints
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constexpr u64 NUM_WATCHPOINTS = 4;
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358
src/core/hle/kernel/k_capabilities.cpp
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358
src/core/hle/kernel/k_capabilities.cpp
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@ -0,0 +1,358 @@
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// SPDX-FileCopyrightText: Copyright 2023 yuzu Emulator Project
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// SPDX-License-Identifier: GPL-2.0-or-later
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#include "core/hardware_properties.h"
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#include "core/hle/kernel/k_capabilities.h"
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#include "core/hle/kernel/k_memory_layout.h"
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#include "core/hle/kernel/k_page_table.h"
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#include "core/hle/kernel/kernel.h"
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#include "core/hle/kernel/svc_results.h"
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#include "core/hle/kernel/svc_version.h"
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namespace Kernel {
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Result KCapabilities::InitializeForKIP(std::span<const u32> kern_caps, KPageTable* page_table) {
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// We're initializing an initial process.
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m_svc_access_flags.reset();
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m_irq_access_flags.reset();
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m_debug_capabilities = 0;
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m_handle_table_size = 0;
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m_intended_kernel_version = 0;
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m_program_type = 0;
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// Initial processes may run on all cores.
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constexpr u64 VirtMask = Core::Hardware::VirtualCoreMask;
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constexpr u64 PhysMask = Core::Hardware::ConvertVirtualCoreMaskToPhysical(VirtMask);
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m_core_mask = VirtMask;
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m_phys_core_mask = PhysMask;
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// Initial processes may use any user priority they like.
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m_priority_mask = ~0xFULL;
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// Here, Nintendo sets the kernel version to the current kernel version.
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// We will follow suit and set the version to the highest supported kernel version.
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KernelVersion intended_kernel_version{};
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intended_kernel_version.major_version.Assign(Svc::SupportedKernelMajorVersion);
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intended_kernel_version.minor_version.Assign(Svc::SupportedKernelMinorVersion);
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m_intended_kernel_version = intended_kernel_version.raw;
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// Parse the capabilities array.
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R_RETURN(this->SetCapabilities(kern_caps, page_table));
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}
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Result KCapabilities::InitializeForUser(std::span<const u32> user_caps, KPageTable* page_table) {
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// We're initializing a user process.
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m_svc_access_flags.reset();
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m_irq_access_flags.reset();
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m_debug_capabilities = 0;
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m_handle_table_size = 0;
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m_intended_kernel_version = 0;
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m_program_type = 0;
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// User processes must specify what cores/priorities they can use.
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m_core_mask = 0;
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m_priority_mask = 0;
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// Parse the user capabilities array.
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R_RETURN(this->SetCapabilities(user_caps, page_table));
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}
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Result KCapabilities::SetCorePriorityCapability(const u32 cap) {
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// We can't set core/priority if we've already set them.
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R_UNLESS(m_core_mask == 0, ResultInvalidArgument);
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R_UNLESS(m_priority_mask == 0, ResultInvalidArgument);
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// Validate the core/priority.
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CorePriority pack{cap};
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const u32 min_core = pack.minimum_core_id;
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const u32 max_core = pack.maximum_core_id;
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const u32 max_prio = pack.lowest_thread_priority;
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const u32 min_prio = pack.highest_thread_priority;
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R_UNLESS(min_core <= max_core, ResultInvalidCombination);
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R_UNLESS(min_prio <= max_prio, ResultInvalidCombination);
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R_UNLESS(max_core < Core::Hardware::NumVirtualCores, ResultInvalidCoreId);
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ASSERT(max_prio < Common::BitSize<u64>());
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// Set core mask.
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for (auto core_id = min_core; core_id <= max_core; core_id++) {
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m_core_mask |= (1ULL << core_id);
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}
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ASSERT((m_core_mask & Core::Hardware::VirtualCoreMask) == m_core_mask);
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// Set physical core mask.
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m_phys_core_mask = Core::Hardware::ConvertVirtualCoreMaskToPhysical(m_core_mask);
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// Set priority mask.
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for (auto prio = min_prio; prio <= max_prio; prio++) {
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m_priority_mask |= (1ULL << prio);
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}
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// We must have some core/priority we can use.
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R_UNLESS(m_core_mask != 0, ResultInvalidArgument);
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R_UNLESS(m_priority_mask != 0, ResultInvalidArgument);
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// Processes must not have access to kernel thread priorities.
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R_UNLESS((m_priority_mask & 0xF) == 0, ResultInvalidArgument);
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R_SUCCEED();
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}
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Result KCapabilities::SetSyscallMaskCapability(const u32 cap, u32& set_svc) {
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// Validate the index.
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SyscallMask pack{cap};
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const u32 mask = pack.mask;
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const u32 index = pack.index;
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const u32 index_flag = (1U << index);
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R_UNLESS((set_svc & index_flag) == 0, ResultInvalidCombination);
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set_svc |= index_flag;
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// Set SVCs.
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for (size_t i = 0; i < decltype(SyscallMask::mask)::bits; i++) {
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const u32 svc_id = static_cast<u32>(decltype(SyscallMask::mask)::bits * index + i);
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if (mask & (1U << i)) {
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R_UNLESS(this->SetSvcAllowed(svc_id), ResultOutOfRange);
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}
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}
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R_SUCCEED();
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}
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Result KCapabilities::MapRange_(const u32 cap, const u32 size_cap, KPageTable* page_table) {
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const auto range_pack = MapRange{cap};
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const auto size_pack = MapRangeSize{size_cap};
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// Get/validate address/size
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const u64 phys_addr = range_pack.address.Value() * PageSize;
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// Validate reserved bits are unused.
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R_UNLESS(size_pack.reserved.Value() == 0, ResultOutOfRange);
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const size_t num_pages = size_pack.pages;
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const size_t size = num_pages * PageSize;
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R_UNLESS(num_pages != 0, ResultInvalidSize);
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R_UNLESS(phys_addr < phys_addr + size, ResultInvalidAddress);
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R_UNLESS(((phys_addr + size - 1) & ~PhysicalMapAllowedMask) == 0, ResultInvalidAddress);
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// Do the mapping.
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[[maybe_unused]] const KMemoryPermission perm = range_pack.read_only.Value()
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? KMemoryPermission::UserRead
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: KMemoryPermission::UserReadWrite;
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if (MapRangeSize{size_cap}.normal) {
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// R_RETURN(page_table->MapStatic(phys_addr, size, perm));
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} else {
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// R_RETURN(page_table->MapIo(phys_addr, size, perm));
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}
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UNIMPLEMENTED();
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R_SUCCEED();
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}
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Result KCapabilities::MapIoPage_(const u32 cap, KPageTable* page_table) {
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// Get/validate address/size
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const u64 phys_addr = MapIoPage{cap}.address.Value() * PageSize;
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const size_t num_pages = 1;
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const size_t size = num_pages * PageSize;
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R_UNLESS(num_pages != 0, ResultInvalidSize);
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R_UNLESS(phys_addr < phys_addr + size, ResultInvalidAddress);
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R_UNLESS(((phys_addr + size - 1) & ~PhysicalMapAllowedMask) == 0, ResultInvalidAddress);
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// Do the mapping.
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// R_RETURN(page_table->MapIo(phys_addr, size, KMemoryPermission_UserReadWrite));
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UNIMPLEMENTED();
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R_SUCCEED();
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}
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template <typename F>
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Result KCapabilities::ProcessMapRegionCapability(const u32 cap, F f) {
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// Define the allowed memory regions.
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constexpr std::array<KMemoryRegionType, 4> MemoryRegions{
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KMemoryRegionType_None,
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KMemoryRegionType_KernelTraceBuffer,
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KMemoryRegionType_OnMemoryBootImage,
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KMemoryRegionType_DTB,
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};
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// Extract regions/read only.
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const MapRegion pack{cap};
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const std::array<RegionType, 3> types{pack.region0, pack.region1, pack.region2};
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const std::array<u32, 3> ro{pack.read_only0, pack.read_only1, pack.read_only2};
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for (size_t i = 0; i < types.size(); i++) {
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const auto type = types[i];
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const auto perm = ro[i] ? KMemoryPermission::UserRead : KMemoryPermission::UserReadWrite;
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switch (type) {
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case RegionType::NoMapping:
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break;
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case RegionType::KernelTraceBuffer:
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case RegionType::OnMemoryBootImage:
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case RegionType::DTB:
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R_TRY(f(MemoryRegions[static_cast<u32>(type)], perm));
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break;
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default:
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R_THROW(ResultNotFound);
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}
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}
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R_SUCCEED();
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}
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Result KCapabilities::MapRegion_(const u32 cap, KPageTable* page_table) {
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// Map each region into the process's page table.
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R_RETURN(ProcessMapRegionCapability(
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cap, [](KMemoryRegionType region_type, KMemoryPermission perm) -> Result {
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// R_RETURN(page_table->MapRegion(region_type, perm));
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UNIMPLEMENTED();
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R_SUCCEED();
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}));
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}
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Result KCapabilities::CheckMapRegion(KernelCore& kernel, const u32 cap) {
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// Check that each region has a physical backing store.
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R_RETURN(ProcessMapRegionCapability(
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cap, [&](KMemoryRegionType region_type, KMemoryPermission perm) -> Result {
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R_UNLESS(kernel.MemoryLayout().GetPhysicalMemoryRegionTree().FindFirstDerived(
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region_type) != nullptr,
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ResultOutOfRange);
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R_SUCCEED();
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}));
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}
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Result KCapabilities::SetInterruptPairCapability(const u32 cap) {
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// Extract interrupts.
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const InterruptPair pack{cap};
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const std::array<u32, 2> ids{pack.interrupt_id0, pack.interrupt_id1};
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for (size_t i = 0; i < ids.size(); i++) {
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if (ids[i] != PaddingInterruptId) {
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UNIMPLEMENTED();
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// R_UNLESS(Kernel::GetInterruptManager().IsInterruptDefined(ids[i]), ResultOutOfRange);
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// R_UNLESS(this->SetInterruptPermitted(ids[i]), ResultOutOfRange);
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}
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}
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R_SUCCEED();
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}
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Result KCapabilities::SetProgramTypeCapability(const u32 cap) {
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// Validate.
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const ProgramType pack{cap};
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R_UNLESS(pack.reserved == 0, ResultReservedUsed);
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m_program_type = pack.type;
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R_SUCCEED();
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}
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Result KCapabilities::SetKernelVersionCapability(const u32 cap) {
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// Ensure we haven't set our version before.
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R_UNLESS(KernelVersion{m_intended_kernel_version}.major_version == 0, ResultInvalidArgument);
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// Set, ensure that we set a valid version.
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m_intended_kernel_version = cap;
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R_UNLESS(KernelVersion{m_intended_kernel_version}.major_version != 0, ResultInvalidArgument);
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R_SUCCEED();
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}
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Result KCapabilities::SetHandleTableCapability(const u32 cap) {
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// Validate.
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const HandleTable pack{cap};
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R_UNLESS(pack.reserved == 0, ResultReservedUsed);
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m_handle_table_size = pack.size;
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R_SUCCEED();
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}
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Result KCapabilities::SetDebugFlagsCapability(const u32 cap) {
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// Validate.
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const DebugFlags pack{cap};
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R_UNLESS(pack.reserved == 0, ResultReservedUsed);
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DebugFlags debug_capabilities{m_debug_capabilities};
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debug_capabilities.allow_debug.Assign(pack.allow_debug);
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debug_capabilities.force_debug.Assign(pack.force_debug);
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m_debug_capabilities = debug_capabilities.raw;
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R_SUCCEED();
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}
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Result KCapabilities::SetCapability(const u32 cap, u32& set_flags, u32& set_svc,
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KPageTable* page_table) {
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// Validate this is a capability we can act on.
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const auto type = GetCapabilityType(cap);
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R_UNLESS(type != CapabilityType::Invalid, ResultInvalidArgument);
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// If the type is padding, we have no work to do.
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R_SUCCEED_IF(type == CapabilityType::Padding);
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// Check that we haven't already processed this capability.
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const auto flag = GetCapabilityFlag(type);
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R_UNLESS(((set_flags & InitializeOnceFlags) & flag) == 0, ResultInvalidCombination);
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set_flags |= flag;
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// Process the capability.
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switch (type) {
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case CapabilityType::CorePriority:
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R_RETURN(this->SetCorePriorityCapability(cap));
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case CapabilityType::SyscallMask:
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R_RETURN(this->SetSyscallMaskCapability(cap, set_svc));
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case CapabilityType::MapIoPage:
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R_RETURN(this->MapIoPage_(cap, page_table));
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case CapabilityType::MapRegion:
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R_RETURN(this->MapRegion_(cap, page_table));
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case CapabilityType::InterruptPair:
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R_RETURN(this->SetInterruptPairCapability(cap));
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case CapabilityType::ProgramType:
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R_RETURN(this->SetProgramTypeCapability(cap));
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case CapabilityType::KernelVersion:
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R_RETURN(this->SetKernelVersionCapability(cap));
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case CapabilityType::HandleTable:
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R_RETURN(this->SetHandleTableCapability(cap));
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case CapabilityType::DebugFlags:
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R_RETURN(this->SetDebugFlagsCapability(cap));
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default:
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R_THROW(ResultInvalidArgument);
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}
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}
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Result KCapabilities::SetCapabilities(std::span<const u32> caps, KPageTable* page_table) {
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u32 set_flags = 0, set_svc = 0;
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for (size_t i = 0; i < caps.size(); i++) {
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const u32 cap{caps[i]};
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if (GetCapabilityType(cap) == CapabilityType::MapRange) {
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// Check that the pair cap exists.
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R_UNLESS((++i) < caps.size(), ResultInvalidCombination);
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// Check the pair cap is a map range cap.
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const u32 size_cap{caps[i]};
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R_UNLESS(GetCapabilityType(size_cap) == CapabilityType::MapRange,
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ResultInvalidCombination);
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// Map the range.
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R_TRY(this->MapRange_(cap, size_cap, page_table));
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} else {
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R_TRY(this->SetCapability(cap, set_flags, set_svc, page_table));
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}
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}
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R_SUCCEED();
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}
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Result KCapabilities::CheckCapabilities(KernelCore& kernel, std::span<const u32> caps) {
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for (auto cap : caps) {
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// Check the capability refers to a valid region.
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if (GetCapabilityType(cap) == CapabilityType::MapRegion) {
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R_TRY(CheckMapRegion(kernel, cap));
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}
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}
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R_SUCCEED();
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}
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} // namespace Kernel
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295
src/core/hle/kernel/k_capabilities.h
Normal file
295
src/core/hle/kernel/k_capabilities.h
Normal file
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@ -0,0 +1,295 @@
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// SPDX-FileCopyrightText: Copyright 2023 yuzu Emulator Project
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// SPDX-License-Identifier: GPL-2.0-or-later
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#pragma once
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#include <bitset>
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#include <span>
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#include "common/bit_field.h"
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#include "common/common_types.h"
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#include "core/hle/kernel/svc_types.h"
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#include "core/hle/result.h"
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namespace Kernel {
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class KPageTable;
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class KernelCore;
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class KCapabilities {
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public:
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constexpr explicit KCapabilities() = default;
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Result InitializeForKIP(std::span<const u32> kern_caps, KPageTable* page_table);
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Result InitializeForUser(std::span<const u32> user_caps, KPageTable* page_table);
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static Result CheckCapabilities(KernelCore& kernel, std::span<const u32> user_caps);
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constexpr u64 GetCoreMask() const {
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return m_core_mask;
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}
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constexpr u64 GetPhysicalCoreMask() const {
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return m_phys_core_mask;
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}
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constexpr u64 GetPriorityMask() const {
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return m_priority_mask;
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}
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constexpr s32 GetHandleTableSize() const {
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return m_handle_table_size;
|
||||
}
|
||||
|
||||
constexpr const Svc::SvcAccessFlagSet& GetSvcPermissions() const {
|
||||
return m_svc_access_flags;
|
||||
}
|
||||
|
||||
constexpr bool IsPermittedSvc(u32 id) const {
|
||||
return (id < m_svc_access_flags.size()) && m_svc_access_flags[id];
|
||||
}
|
||||
|
||||
constexpr bool IsPermittedInterrupt(u32 id) const {
|
||||
return (id < m_irq_access_flags.size()) && m_irq_access_flags[id];
|
||||
}
|
||||
|
||||
constexpr bool IsPermittedDebug() const {
|
||||
return DebugFlags{m_debug_capabilities}.allow_debug.Value() != 0;
|
||||
}
|
||||
|
||||
constexpr bool CanForceDebug() const {
|
||||
return DebugFlags{m_debug_capabilities}.force_debug.Value() != 0;
|
||||
}
|
||||
|
||||
constexpr u32 GetIntendedKernelMajorVersion() const {
|
||||
return KernelVersion{m_intended_kernel_version}.major_version;
|
||||
}
|
||||
|
||||
constexpr u32 GetIntendedKernelMinorVersion() const {
|
||||
return KernelVersion{m_intended_kernel_version}.minor_version;
|
||||
}
|
||||
|
||||
private:
|
||||
static constexpr size_t InterruptIdCount = 0x400;
|
||||
using InterruptFlagSet = std::bitset<InterruptIdCount>;
|
||||
|
||||
enum class CapabilityType : u32 {
|
||||
CorePriority = (1U << 3) - 1,
|
||||
SyscallMask = (1U << 4) - 1,
|
||||
MapRange = (1U << 6) - 1,
|
||||
MapIoPage = (1U << 7) - 1,
|
||||
MapRegion = (1U << 10) - 1,
|
||||
InterruptPair = (1U << 11) - 1,
|
||||
ProgramType = (1U << 13) - 1,
|
||||
KernelVersion = (1U << 14) - 1,
|
||||
HandleTable = (1U << 15) - 1,
|
||||
DebugFlags = (1U << 16) - 1,
|
||||
|
||||
Invalid = 0U,
|
||||
Padding = ~0U,
|
||||
};
|
||||
|
||||
using RawCapabilityValue = u32;
|
||||
|
||||
static constexpr CapabilityType GetCapabilityType(const RawCapabilityValue value) {
|
||||
return static_cast<CapabilityType>((~value & (value + 1)) - 1);
|
||||
}
|
||||
|
||||
static constexpr u32 GetCapabilityFlag(CapabilityType type) {
|
||||
return static_cast<u32>(type) + 1;
|
||||
}
|
||||
|
||||
template <CapabilityType Type>
|
||||
static constexpr inline u32 CapabilityFlag = static_cast<u32>(Type) + 1;
|
||||
|
||||
template <CapabilityType Type>
|
||||
static constexpr inline u32 CapabilityId = std::countr_zero(CapabilityFlag<Type>);
|
||||
|
||||
union CorePriority {
|
||||
static_assert(CapabilityId<CapabilityType::CorePriority> + 1 == 4);
|
||||
|
||||
RawCapabilityValue raw;
|
||||
BitField<0, 4, CapabilityType> id;
|
||||
BitField<4, 6, u32> lowest_thread_priority;
|
||||
BitField<10, 6, u32> highest_thread_priority;
|
||||
BitField<16, 8, u32> minimum_core_id;
|
||||
BitField<24, 8, u32> maximum_core_id;
|
||||
};
|
||||
|
||||
union SyscallMask {
|
||||
static_assert(CapabilityId<CapabilityType::SyscallMask> + 1 == 5);
|
||||
|
||||
RawCapabilityValue raw;
|
||||
BitField<0, 5, CapabilityType> id;
|
||||
BitField<5, 24, u32> mask;
|
||||
BitField<29, 3, u32> index;
|
||||
};
|
||||
|
||||
// #undef MESOSPHERE_ENABLE_LARGE_PHYSICAL_ADDRESS_CAPABILITIES
|
||||
static constexpr u64 PhysicalMapAllowedMask = (1ULL << 36) - 1;
|
||||
|
||||
union MapRange {
|
||||
static_assert(CapabilityId<CapabilityType::MapRange> + 1 == 7);
|
||||
|
||||
RawCapabilityValue raw;
|
||||
BitField<0, 7, CapabilityType> id;
|
||||
BitField<7, 24, u32> address;
|
||||
BitField<31, 1, u32> read_only;
|
||||
};
|
||||
|
||||
union MapRangeSize {
|
||||
static_assert(CapabilityId<CapabilityType::MapRange> + 1 == 7);
|
||||
|
||||
RawCapabilityValue raw;
|
||||
BitField<0, 7, CapabilityType> id;
|
||||
BitField<7, 20, u32> pages;
|
||||
BitField<27, 4, u32> reserved;
|
||||
BitField<31, 1, u32> normal;
|
||||
};
|
||||
|
||||
union MapIoPage {
|
||||
static_assert(CapabilityId<CapabilityType::MapIoPage> + 1 == 8);
|
||||
|
||||
RawCapabilityValue raw;
|
||||
BitField<0, 8, CapabilityType> id;
|
||||
BitField<8, 24, u32> address;
|
||||
};
|
||||
|
||||
enum class RegionType : u32 {
|
||||
NoMapping = 0,
|
||||
KernelTraceBuffer = 1,
|
||||
OnMemoryBootImage = 2,
|
||||
DTB = 3,
|
||||
};
|
||||
|
||||
union MapRegion {
|
||||
static_assert(CapabilityId<CapabilityType::MapRegion> + 1 == 11);
|
||||
|
||||
RawCapabilityValue raw;
|
||||
BitField<0, 11, CapabilityType> id;
|
||||
BitField<11, 6, RegionType> region0;
|
||||
BitField<17, 1, u32> read_only0;
|
||||
BitField<18, 6, RegionType> region1;
|
||||
BitField<24, 1, u32> read_only1;
|
||||
BitField<25, 6, RegionType> region2;
|
||||
BitField<31, 1, u32> read_only2;
|
||||
};
|
||||
|
||||
union InterruptPair {
|
||||
static_assert(CapabilityId<CapabilityType::InterruptPair> + 1 == 12);
|
||||
|
||||
RawCapabilityValue raw;
|
||||
BitField<0, 12, CapabilityType> id;
|
||||
BitField<12, 10, u32> interrupt_id0;
|
||||
BitField<22, 10, u32> interrupt_id1;
|
||||
};
|
||||
|
||||
union ProgramType {
|
||||
static_assert(CapabilityId<CapabilityType::ProgramType> + 1 == 14);
|
||||
|
||||
RawCapabilityValue raw;
|
||||
BitField<0, 14, CapabilityType> id;
|
||||
BitField<14, 3, u32> type;
|
||||
BitField<17, 15, u32> reserved;
|
||||
};
|
||||
|
||||
union KernelVersion {
|
||||
static_assert(CapabilityId<CapabilityType::KernelVersion> + 1 == 15);
|
||||
|
||||
RawCapabilityValue raw;
|
||||
BitField<0, 15, CapabilityType> id;
|
||||
BitField<15, 4, u32> major_version;
|
||||
BitField<19, 13, u32> minor_version;
|
||||
};
|
||||
|
||||
union HandleTable {
|
||||
static_assert(CapabilityId<CapabilityType::HandleTable> + 1 == 16);
|
||||
|
||||
RawCapabilityValue raw;
|
||||
BitField<0, 16, CapabilityType> id;
|
||||
BitField<16, 10, u32> size;
|
||||
BitField<26, 6, u32> reserved;
|
||||
};
|
||||
|
||||
union DebugFlags {
|
||||
static_assert(CapabilityId<CapabilityType::DebugFlags> + 1 == 17);
|
||||
|
||||
RawCapabilityValue raw;
|
||||
BitField<0, 17, CapabilityType> id;
|
||||
BitField<17, 1, u32> allow_debug;
|
||||
BitField<18, 1, u32> force_debug;
|
||||
BitField<19, 13, u32> reserved;
|
||||
};
|
||||
|
||||
static_assert(sizeof(CorePriority) == 4);
|
||||
static_assert(sizeof(SyscallMask) == 4);
|
||||
static_assert(sizeof(MapRange) == 4);
|
||||
static_assert(sizeof(MapRangeSize) == 4);
|
||||
static_assert(sizeof(MapIoPage) == 4);
|
||||
static_assert(sizeof(MapRegion) == 4);
|
||||
static_assert(sizeof(InterruptPair) == 4);
|
||||
static_assert(sizeof(ProgramType) == 4);
|
||||
static_assert(sizeof(KernelVersion) == 4);
|
||||
static_assert(sizeof(HandleTable) == 4);
|
||||
static_assert(sizeof(DebugFlags) == 4);
|
||||
|
||||
static constexpr u32 InitializeOnceFlags =
|
||||
CapabilityFlag<CapabilityType::CorePriority> | CapabilityFlag<CapabilityType::ProgramType> |
|
||||
CapabilityFlag<CapabilityType::KernelVersion> |
|
||||
CapabilityFlag<CapabilityType::HandleTable> | CapabilityFlag<CapabilityType::DebugFlags>;
|
||||
|
||||
static const u32 PaddingInterruptId = 0x3FF;
|
||||
static_assert(PaddingInterruptId < InterruptIdCount);
|
||||
|
||||
private:
|
||||
constexpr bool SetSvcAllowed(u32 id) {
|
||||
if (id < m_svc_access_flags.size()) [[likely]] {
|
||||
m_svc_access_flags[id] = true;
|
||||
return true;
|
||||
} else {
|
||||
return false;
|
||||
}
|
||||
}
|
||||
|
||||
constexpr bool SetInterruptPermitted(u32 id) {
|
||||
if (id < m_irq_access_flags.size()) [[likely]] {
|
||||
m_irq_access_flags[id] = true;
|
||||
return true;
|
||||
} else {
|
||||
return false;
|
||||
}
|
||||
}
|
||||
|
||||
Result SetCorePriorityCapability(const u32 cap);
|
||||
Result SetSyscallMaskCapability(const u32 cap, u32& set_svc);
|
||||
Result MapRange_(const u32 cap, const u32 size_cap, KPageTable* page_table);
|
||||
Result MapIoPage_(const u32 cap, KPageTable* page_table);
|
||||
Result MapRegion_(const u32 cap, KPageTable* page_table);
|
||||
Result SetInterruptPairCapability(const u32 cap);
|
||||
Result SetProgramTypeCapability(const u32 cap);
|
||||
Result SetKernelVersionCapability(const u32 cap);
|
||||
Result SetHandleTableCapability(const u32 cap);
|
||||
Result SetDebugFlagsCapability(const u32 cap);
|
||||
|
||||
template <typename F>
|
||||
static Result ProcessMapRegionCapability(const u32 cap, F f);
|
||||
static Result CheckMapRegion(KernelCore& kernel, const u32 cap);
|
||||
|
||||
Result SetCapability(const u32 cap, u32& set_flags, u32& set_svc, KPageTable* page_table);
|
||||
Result SetCapabilities(std::span<const u32> caps, KPageTable* page_table);
|
||||
|
||||
private:
|
||||
Svc::SvcAccessFlagSet m_svc_access_flags{};
|
||||
InterruptFlagSet m_irq_access_flags{};
|
||||
u64 m_core_mask{};
|
||||
u64 m_phys_core_mask{};
|
||||
u64 m_priority_mask{};
|
||||
u32 m_debug_capabilities{};
|
||||
s32 m_handle_table_size{};
|
||||
u32 m_intended_kernel_version{};
|
||||
u32 m_program_type{};
|
||||
};
|
||||
|
||||
} // namespace Kernel
|
||||
|
|
@ -3,6 +3,8 @@
|
|||
|
||||
#pragma once
|
||||
|
||||
#include <bitset>
|
||||
|
||||
#include "common/common_funcs.h"
|
||||
#include "common/common_types.h"
|
||||
|
||||
|
|
@ -592,4 +594,7 @@ struct CreateProcessParameter {
|
|||
};
|
||||
static_assert(sizeof(CreateProcessParameter) == 0x30);
|
||||
|
||||
constexpr size_t NumSupervisorCalls = 0xC0;
|
||||
using SvcAccessFlagSet = std::bitset<NumSupervisorCalls>;
|
||||
|
||||
} // namespace Kernel::Svc
|
||||
|
|
|
|||
58
src/core/hle/kernel/svc_version.h
Normal file
58
src/core/hle/kernel/svc_version.h
Normal file
|
|
@ -0,0 +1,58 @@
|
|||
// SPDX-FileCopyrightText: Copyright 2023 yuzu Emulator Project
|
||||
// SPDX-License-Identifier: GPL-2.0-or-later
|
||||
|
||||
#pragma once
|
||||
|
||||
#include "common/bit_field.h"
|
||||
#include "common/common_types.h"
|
||||
#include "common/literals.h"
|
||||
|
||||
namespace Kernel::Svc {
|
||||
|
||||
constexpr inline u32 ConvertToSvcMajorVersion(u32 sdk) {
|
||||
return sdk + 4;
|
||||
}
|
||||
constexpr inline u32 ConvertToSdkMajorVersion(u32 svc) {
|
||||
return svc - 4;
|
||||
}
|
||||
|
||||
constexpr inline u32 ConvertToSvcMinorVersion(u32 sdk) {
|
||||
return sdk;
|
||||
}
|
||||
constexpr inline u32 ConvertToSdkMinorVersion(u32 svc) {
|
||||
return svc;
|
||||
}
|
||||
|
||||
union KernelVersion {
|
||||
u32 value;
|
||||
BitField<0, 4, u32> minor_version;
|
||||
BitField<4, 13, u32> major_version;
|
||||
};
|
||||
|
||||
constexpr inline u32 EncodeKernelVersion(u32 major, u32 minor) {
|
||||
return decltype(KernelVersion::minor_version)::FormatValue(minor) |
|
||||
decltype(KernelVersion::major_version)::FormatValue(major);
|
||||
}
|
||||
|
||||
constexpr inline u32 GetKernelMajorVersion(u32 encoded) {
|
||||
return std::bit_cast<decltype(KernelVersion::major_version)>(encoded).Value();
|
||||
}
|
||||
|
||||
constexpr inline u32 GetKernelMinorVersion(u32 encoded) {
|
||||
return std::bit_cast<decltype(KernelVersion::minor_version)>(encoded).Value();
|
||||
}
|
||||
|
||||
// Nintendo doesn't support programs targeting SVC versions < 3.0.
|
||||
constexpr inline u32 RequiredKernelMajorVersion = 3;
|
||||
constexpr inline u32 RequiredKernelMinorVersion = 0;
|
||||
constexpr inline u32 RequiredKernelVersion =
|
||||
EncodeKernelVersion(RequiredKernelMajorVersion, RequiredKernelMinorVersion);
|
||||
|
||||
// This is the highest SVC version supported, to be updated on new kernel releases.
|
||||
// NOTE: Official kernel versions have SVC major = SDK major + 4, SVC minor = SDK minor.
|
||||
constexpr inline u32 SupportedKernelMajorVersion = ConvertToSvcMajorVersion(15);
|
||||
constexpr inline u32 SupportedKernelMinorVersion = ConvertToSvcMinorVersion(3);
|
||||
constexpr inline u32 SupportedKernelVersion =
|
||||
EncodeKernelVersion(SupportedKernelMajorVersion, SupportedKernelMinorVersion);
|
||||
|
||||
} // namespace Kernel::Svc
|
||||
Loading…
Reference in a new issue