diff options
Diffstat (limited to 'src/core/hle/kernel/k_page_table_base.cpp')
| -rw-r--r-- | src/core/hle/kernel/k_page_table_base.cpp | 32 |
1 files changed, 29 insertions, 3 deletions
diff --git a/src/core/hle/kernel/k_page_table_base.cpp b/src/core/hle/kernel/k_page_table_base.cpp index 47dc8fd35..dc6524146 100644 --- a/src/core/hle/kernel/k_page_table_base.cpp +++ b/src/core/hle/kernel/k_page_table_base.cpp @@ -88,6 +88,20 @@ Result FlushDataCache(AddressType addr, u64 size) { R_SUCCEED(); } +constexpr Common::MemoryPermission ConvertToMemoryPermission(KMemoryPermission perm) { + Common::MemoryPermission perms{}; + if (True(perm & KMemoryPermission::UserRead)) { + perms |= Common::MemoryPermission::Read; + } + if (True(perm & KMemoryPermission::UserWrite)) { + perms |= Common::MemoryPermission::Write; + } + if (True(perm & KMemoryPermission::UserExecute)) { + perms |= Common::MemoryPermission::Execute; + } + return perms; +} + } // namespace void KPageTableBase::MemoryRange::Open() { @@ -5643,7 +5657,8 @@ Result KPageTableBase::Operate(PageLinkedList* page_list, KProcessAddress virt_a case OperationType::Map: { ASSERT(virt_addr != 0); ASSERT(Common::IsAligned(GetInteger(virt_addr), PageSize)); - m_memory->MapMemoryRegion(*m_impl, virt_addr, num_pages * PageSize, phys_addr); + m_memory->MapMemoryRegion(*m_impl, virt_addr, num_pages * PageSize, phys_addr, + ConvertToMemoryPermission(properties.perm)); // Open references to pages, if we should. if (this->IsHeapPhysicalAddress(phys_addr)) { @@ -5658,8 +5673,18 @@ Result KPageTableBase::Operate(PageLinkedList* page_list, KProcessAddress virt_a } case OperationType::ChangePermissions: case OperationType::ChangePermissionsAndRefresh: - case OperationType::ChangePermissionsAndRefreshAndFlush: + case OperationType::ChangePermissionsAndRefreshAndFlush: { + const bool read = True(properties.perm & Kernel::KMemoryPermission::UserRead); + const bool write = True(properties.perm & Kernel::KMemoryPermission::UserWrite); + // todo: this doesn't really belong here and should go into m_memory to handle rasterizer + // access todo: ignore exec on non-direct-mapped case + const bool exec = True(properties.perm & Kernel::KMemoryPermission::UserExecute); + if (Settings::IsFastmemEnabled()) { + m_system.DeviceMemory().buffer.Protect(GetInteger(virt_addr), num_pages * PageSize, + read, write, exec); + } R_SUCCEED(); + } default: UNREACHABLE(); } @@ -5687,7 +5712,8 @@ Result KPageTableBase::Operate(PageLinkedList* page_list, KProcessAddress virt_a const size_t size{node.GetNumPages() * PageSize}; // Map the pages. - m_memory->MapMemoryRegion(*m_impl, virt_addr, size, node.GetAddress()); + m_memory->MapMemoryRegion(*m_impl, virt_addr, size, node.GetAddress(), + ConvertToMemoryPermission(properties.perm)); virt_addr += size; } |