diff options
-rw-r--r-- | src/core/hle/kernel/vm_manager.cpp | 3 | ||||
-rw-r--r-- | src/core/hle/kernel/vm_manager.h | 83 |
2 files changed, 85 insertions, 1 deletions
diff --git a/src/core/hle/kernel/vm_manager.cpp b/src/core/hle/kernel/vm_manager.cpp index d3b55a51e..ea3f59935 100644 --- a/src/core/hle/kernel/vm_manager.cpp +++ b/src/core/hle/kernel/vm_manager.cpp @@ -38,7 +38,7 @@ static const char* GetMemoryStateName(MemoryState state) { bool VirtualMemoryArea::CanBeMergedWith(const VirtualMemoryArea& next) const { ASSERT(base + size == next.base); if (permissions != next.permissions || meminfo_state != next.meminfo_state || - type != next.type) { + attribute != next.attribute || type != next.type) { return false; } if (type == VMAType::AllocatedMemoryBlock && @@ -308,6 +308,7 @@ MemoryInfo VMManager::QueryMemory(VAddr address) const { if (IsValidHandle(vma)) { memory_info.base_address = vma->second.base; + memory_info.attributes = ToSvcMemoryAttribute(vma->second.attribute); memory_info.permission = static_cast<u32>(vma->second.permissions); memory_info.size = vma->second.size; memory_info.state = ToSvcMemoryState(vma->second.meminfo_state); diff --git a/src/core/hle/kernel/vm_manager.h b/src/core/hle/kernel/vm_manager.h index 10bacac3e..99eeeffaa 100644 --- a/src/core/hle/kernel/vm_manager.h +++ b/src/core/hle/kernel/vm_manager.h @@ -43,6 +43,88 @@ enum class VMAPermission : u8 { ReadWriteExecute = Read | Write | Execute, }; +constexpr VMAPermission operator|(VMAPermission lhs, VMAPermission rhs) { + return static_cast<VMAPermission>(u32(lhs) | u32(rhs)); +} + +constexpr VMAPermission operator&(VMAPermission lhs, VMAPermission rhs) { + return static_cast<VMAPermission>(u32(lhs) & u32(rhs)); +} + +constexpr VMAPermission operator^(VMAPermission lhs, VMAPermission rhs) { + return static_cast<VMAPermission>(u32(lhs) ^ u32(rhs)); +} + +constexpr VMAPermission operator~(VMAPermission permission) { + return static_cast<VMAPermission>(~u32(permission)); +} + +constexpr VMAPermission& operator|=(VMAPermission& lhs, VMAPermission rhs) { + lhs = lhs | rhs; + return lhs; +} + +constexpr VMAPermission& operator&=(VMAPermission& lhs, VMAPermission rhs) { + lhs = lhs & rhs; + return lhs; +} + +constexpr VMAPermission& operator^=(VMAPermission& lhs, VMAPermission rhs) { + lhs = lhs ^ rhs; + return lhs; +} + +/// Attribute flags that can be applied to a VMA +enum class MemoryAttribute : u32 { + Mask = 0xFF, + + /// No particular qualities + None = 0, + /// Memory locked/borrowed for use. e.g. This would be used by transfer memory. + Locked = 1, + /// Memory locked for use by IPC-related internals. + LockedForIPC = 2, + /// Mapped as part of the device address space. + DeviceMapped = 4, + /// Uncached memory + Uncached = 8, +}; + +constexpr MemoryAttribute operator|(MemoryAttribute lhs, MemoryAttribute rhs) { + return static_cast<MemoryAttribute>(u32(lhs) | u32(rhs)); +} + +constexpr MemoryAttribute operator&(MemoryAttribute lhs, MemoryAttribute rhs) { + return static_cast<MemoryAttribute>(u32(lhs) & u32(rhs)); +} + +constexpr MemoryAttribute operator^(MemoryAttribute lhs, MemoryAttribute rhs) { + return static_cast<MemoryAttribute>(u32(lhs) ^ u32(rhs)); +} + +constexpr MemoryAttribute operator~(MemoryAttribute attribute) { + return static_cast<MemoryAttribute>(~u32(attribute)); +} + +constexpr MemoryAttribute& operator|=(MemoryAttribute& lhs, MemoryAttribute rhs) { + lhs = lhs | rhs; + return lhs; +} + +constexpr MemoryAttribute& operator&=(MemoryAttribute& lhs, MemoryAttribute rhs) { + lhs = lhs & rhs; + return lhs; +} + +constexpr MemoryAttribute& operator^=(MemoryAttribute& lhs, MemoryAttribute rhs) { + lhs = lhs ^ rhs; + return lhs; +} + +constexpr u32 ToSvcMemoryAttribute(MemoryAttribute attribute) { + return static_cast<u32>(attribute & MemoryAttribute::Mask); +} + // clang-format off /// Represents memory states and any relevant flags, as used by the kernel. /// svcQueryMemory interprets these by masking away all but the first eight @@ -183,6 +265,7 @@ struct VirtualMemoryArea { VMAPermission permissions = VMAPermission::None; /// Tag returned by svcQueryMemory. Not otherwise used. MemoryState meminfo_state = MemoryState::Unmapped; + MemoryAttribute attribute = MemoryAttribute::None; // Settings for type = AllocatedMemoryBlock /// Memory block backing this VMA. |