summaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
authorbunnei <bunneidev@gmail.com>2022-09-10 06:17:52 +0200
committerbunnei <bunneidev@gmail.com>2022-10-19 04:13:34 +0200
commit58eb6953d1417d667af36461ac8391e005f49457 (patch)
tree3d21d4c4029e8d1e5087fbc11c8fe132f98d16db
parentcore: hle: kernel: k_memory_block_manager: Update. (diff)
downloadyuzu-58eb6953d1417d667af36461ac8391e005f49457.tar
yuzu-58eb6953d1417d667af36461ac8391e005f49457.tar.gz
yuzu-58eb6953d1417d667af36461ac8391e005f49457.tar.bz2
yuzu-58eb6953d1417d667af36461ac8391e005f49457.tar.lz
yuzu-58eb6953d1417d667af36461ac8391e005f49457.tar.xz
yuzu-58eb6953d1417d667af36461ac8391e005f49457.tar.zst
yuzu-58eb6953d1417d667af36461ac8391e005f49457.zip
Diffstat (limited to '')
-rw-r--r--src/core/hle/kernel/k_memory_block.h506
-rw-r--r--src/core/hle/service/ldr/ldr.cpp4
2 files changed, 391 insertions, 119 deletions
diff --git a/src/core/hle/kernel/k_memory_block.h b/src/core/hle/kernel/k_memory_block.h
index 18df1f836..9444f6bd2 100644
--- a/src/core/hle/kernel/k_memory_block.h
+++ b/src/core/hle/kernel/k_memory_block.h
@@ -6,6 +6,7 @@
#include "common/alignment.h"
#include "common/assert.h"
#include "common/common_types.h"
+#include "common/intrusive_red_black_tree.h"
#include "core/hle/kernel/memory_types.h"
#include "core/hle/kernel/svc_types.h"
@@ -168,9 +169,8 @@ constexpr KMemoryPermission ConvertToKMemoryPermission(Svc::MemoryPermission per
enum class KMemoryAttribute : u8 {
None = 0x00,
- Mask = 0x7F,
- All = Mask,
- DontCareMask = 0x80,
+ All = 0xFF,
+ UserMask = All,
Locked = static_cast<u8>(Svc::MemoryAttribute::Locked),
IpcLocked = static_cast<u8>(Svc::MemoryAttribute::IpcLocked),
@@ -178,76 +178,112 @@ enum class KMemoryAttribute : u8 {
Uncached = static_cast<u8>(Svc::MemoryAttribute::Uncached),
SetMask = Uncached,
-
- IpcAndDeviceMapped = IpcLocked | DeviceShared,
- LockedAndIpcLocked = Locked | IpcLocked,
- DeviceSharedAndUncached = DeviceShared | Uncached
};
DECLARE_ENUM_FLAG_OPERATORS(KMemoryAttribute);
-static_assert((static_cast<u8>(KMemoryAttribute::Mask) &
- static_cast<u8>(KMemoryAttribute::DontCareMask)) == 0);
+enum class KMemoryBlockDisableMergeAttribute : u8 {
+ None = 0,
+ Normal = (1u << 0),
+ DeviceLeft = (1u << 1),
+ IpcLeft = (1u << 2),
+ Locked = (1u << 3),
+ DeviceRight = (1u << 4),
+
+ AllLeft = Normal | DeviceLeft | IpcLeft | Locked,
+ AllRight = DeviceRight,
+};
+DECLARE_ENUM_FLAG_OPERATORS(KMemoryBlockDisableMergeAttribute);
struct KMemoryInfo {
- VAddr addr{};
- std::size_t size{};
- KMemoryState state{};
- KMemoryPermission perm{};
- KMemoryAttribute attribute{};
- KMemoryPermission original_perm{};
- u16 ipc_lock_count{};
- u16 device_use_count{};
+ uintptr_t m_address;
+ size_t m_size;
+ KMemoryState m_state;
+ u16 m_device_disable_merge_left_count;
+ u16 m_device_disable_merge_right_count;
+ u16 m_ipc_lock_count;
+ u16 m_device_use_count;
+ u16 m_ipc_disable_merge_count;
+ KMemoryPermission m_permission;
+ KMemoryAttribute m_attribute;
+ KMemoryPermission m_original_permission;
+ KMemoryBlockDisableMergeAttribute m_disable_merge_attribute;
constexpr Svc::MemoryInfo GetSvcMemoryInfo() const {
return {
- addr,
- size,
- static_cast<Svc::MemoryState>(state & KMemoryState::Mask),
- static_cast<Svc::MemoryAttribute>(attribute & KMemoryAttribute::Mask),
- static_cast<Svc::MemoryPermission>(perm & KMemoryPermission::UserMask),
- ipc_lock_count,
- device_use_count,
+ .addr = m_address,
+ .size = m_size,
+ .state = static_cast<Svc::MemoryState>(m_state & KMemoryState::Mask),
+ .attr = static_cast<Svc::MemoryAttribute>(m_attribute & KMemoryAttribute::UserMask),
+ .perm = static_cast<Svc::MemoryPermission>(m_permission & KMemoryPermission::UserMask),
+ .ipc_refcount = m_ipc_lock_count,
+ .device_refcount = m_device_use_count,
+ .padding = {},
};
}
- constexpr VAddr GetAddress() const {
- return addr;
+ constexpr uintptr_t GetAddress() const {
+ return m_address;
+ }
+
+ constexpr size_t GetSize() const {
+ return m_size;
}
- constexpr std::size_t GetSize() const {
- return size;
+
+ constexpr size_t GetNumPages() const {
+ return this->GetSize() / PageSize;
}
- constexpr std::size_t GetNumPages() const {
- return GetSize() / PageSize;
+
+ constexpr uintptr_t GetEndAddress() const {
+ return this->GetAddress() + this->GetSize();
}
- constexpr VAddr GetEndAddress() const {
- return GetAddress() + GetSize();
+
+ constexpr uintptr_t GetLastAddress() const {
+ return this->GetEndAddress() - 1;
}
- constexpr VAddr GetLastAddress() const {
- return GetEndAddress() - 1;
+
+ constexpr u16 GetIpcLockCount() const {
+ return m_ipc_lock_count;
}
+
+ constexpr u16 GetIpcDisableMergeCount() const {
+ return m_ipc_disable_merge_count;
+ }
+
constexpr KMemoryState GetState() const {
- return state;
+ return m_state;
+ }
+
+ constexpr KMemoryPermission GetPermission() const {
+ return m_permission;
}
+
+ constexpr KMemoryPermission GetOriginalPermission() const {
+ return m_original_permission;
+ }
+
constexpr KMemoryAttribute GetAttribute() const {
- return attribute;
+ return m_attribute;
}
- constexpr KMemoryPermission GetPermission() const {
- return perm;
+
+ constexpr KMemoryBlockDisableMergeAttribute GetDisableMergeAttribute() const {
+ return m_disable_merge_attribute;
}
};
-class KMemoryBlock final {
- friend class KMemoryBlockManager;
-
+class KMemoryBlock : public Common::IntrusiveRedBlackTreeBaseNode<KMemoryBlock> {
private:
- VAddr addr{};
- std::size_t num_pages{};
- KMemoryState state{KMemoryState::None};
- u16 ipc_lock_count{};
- u16 device_use_count{};
- KMemoryPermission perm{KMemoryPermission::None};
- KMemoryPermission original_perm{KMemoryPermission::None};
- KMemoryAttribute attribute{KMemoryAttribute::None};
+ u16 m_device_disable_merge_left_count;
+ u16 m_device_disable_merge_right_count;
+ VAddr m_address;
+ size_t m_num_pages;
+ KMemoryState m_memory_state;
+ u16 m_ipc_lock_count;
+ u16 m_device_use_count;
+ u16 m_ipc_disable_merge_count;
+ KMemoryPermission m_permission;
+ KMemoryPermission m_original_permission;
+ KMemoryAttribute m_attribute;
+ KMemoryBlockDisableMergeAttribute m_disable_merge_attribute;
public:
static constexpr int Compare(const KMemoryBlock& lhs, const KMemoryBlock& rhs) {
@@ -261,113 +297,349 @@ public:
}
public:
- constexpr KMemoryBlock() = default;
- constexpr KMemoryBlock(VAddr addr_, std::size_t num_pages_, KMemoryState state_,
- KMemoryPermission perm_, KMemoryAttribute attribute_)
- : addr{addr_}, num_pages(num_pages_), state{state_}, perm{perm_}, attribute{attribute_} {}
-
constexpr VAddr GetAddress() const {
- return addr;
+ return m_address;
}
- constexpr std::size_t GetNumPages() const {
- return num_pages;
+ constexpr size_t GetNumPages() const {
+ return m_num_pages;
}
- constexpr std::size_t GetSize() const {
- return GetNumPages() * PageSize;
+ constexpr size_t GetSize() const {
+ return this->GetNumPages() * PageSize;
}
constexpr VAddr GetEndAddress() const {
- return GetAddress() + GetSize();
+ return this->GetAddress() + this->GetSize();
}
constexpr VAddr GetLastAddress() const {
- return GetEndAddress() - 1;
+ return this->GetEndAddress() - 1;
+ }
+
+ constexpr u16 GetIpcLockCount() const {
+ return m_ipc_lock_count;
+ }
+
+ constexpr u16 GetIpcDisableMergeCount() const {
+ return m_ipc_disable_merge_count;
+ }
+
+ constexpr KMemoryPermission GetPermission() const {
+ return m_permission;
+ }
+
+ constexpr KMemoryPermission GetOriginalPermission() const {
+ return m_original_permission;
+ }
+
+ constexpr KMemoryAttribute GetAttribute() const {
+ return m_attribute;
}
constexpr KMemoryInfo GetMemoryInfo() const {
return {
- GetAddress(), GetSize(), state, perm,
- attribute, original_perm, ipc_lock_count, device_use_count,
+ .m_address = this->GetAddress(),
+ .m_size = this->GetSize(),
+ .m_state = m_memory_state,
+ .m_device_disable_merge_left_count = m_device_disable_merge_left_count,
+ .m_device_disable_merge_right_count = m_device_disable_merge_right_count,
+ .m_ipc_lock_count = m_ipc_lock_count,
+ .m_device_use_count = m_device_use_count,
+ .m_ipc_disable_merge_count = m_ipc_disable_merge_count,
+ .m_permission = m_permission,
+ .m_attribute = m_attribute,
+ .m_original_permission = m_original_permission,
+ .m_disable_merge_attribute = m_disable_merge_attribute,
};
}
- void ShareToDevice(KMemoryPermission /*new_perm*/) {
- ASSERT((attribute & KMemoryAttribute::DeviceShared) == KMemoryAttribute::DeviceShared ||
- device_use_count == 0);
- attribute |= KMemoryAttribute::DeviceShared;
- const u16 new_use_count{++device_use_count};
- ASSERT(new_use_count > 0);
+public:
+ explicit KMemoryBlock() = default;
+
+ constexpr KMemoryBlock(VAddr addr, size_t np, KMemoryState ms, KMemoryPermission p,
+ KMemoryAttribute attr)
+ : Common::IntrusiveRedBlackTreeBaseNode<KMemoryBlock>(),
+ m_device_disable_merge_left_count(), m_device_disable_merge_right_count(),
+ m_address(addr), m_num_pages(np), m_memory_state(ms), m_ipc_lock_count(0),
+ m_device_use_count(0), m_ipc_disable_merge_count(), m_permission(p),
+ m_original_permission(KMemoryPermission::None), m_attribute(attr),
+ m_disable_merge_attribute() {}
+
+ constexpr void Initialize(VAddr addr, size_t np, KMemoryState ms, KMemoryPermission p,
+ KMemoryAttribute attr) {
+ m_device_disable_merge_left_count = 0;
+ m_device_disable_merge_right_count = 0;
+ m_address = addr;
+ m_num_pages = np;
+ m_memory_state = ms;
+ m_ipc_lock_count = 0;
+ m_device_use_count = 0;
+ m_permission = p;
+ m_original_permission = KMemoryPermission::None;
+ m_attribute = attr;
+ m_disable_merge_attribute = KMemoryBlockDisableMergeAttribute::None;
+ }
+
+ constexpr bool HasProperties(KMemoryState s, KMemoryPermission p, KMemoryAttribute a) const {
+ constexpr auto AttributeIgnoreMask =
+ KMemoryAttribute::IpcLocked | KMemoryAttribute::DeviceShared;
+ return m_memory_state == s && m_permission == p &&
+ (m_attribute | AttributeIgnoreMask) == (a | AttributeIgnoreMask);
+ }
+
+ constexpr bool HasSameProperties(const KMemoryBlock& rhs) const {
+ return m_memory_state == rhs.m_memory_state && m_permission == rhs.m_permission &&
+ m_original_permission == rhs.m_original_permission &&
+ m_attribute == rhs.m_attribute && m_ipc_lock_count == rhs.m_ipc_lock_count &&
+ m_device_use_count == rhs.m_device_use_count;
+ }
+
+ constexpr bool CanMergeWith(const KMemoryBlock& rhs) const {
+ return this->HasSameProperties(rhs) &&
+ (m_disable_merge_attribute & KMemoryBlockDisableMergeAttribute::AllRight) ==
+ KMemoryBlockDisableMergeAttribute::None &&
+ (rhs.m_disable_merge_attribute & KMemoryBlockDisableMergeAttribute::AllLeft) ==
+ KMemoryBlockDisableMergeAttribute::None;
}
- void UnshareToDevice(KMemoryPermission /*new_perm*/) {
- ASSERT((attribute & KMemoryAttribute::DeviceShared) == KMemoryAttribute::DeviceShared);
- const u16 prev_use_count{device_use_count--};
- ASSERT(prev_use_count > 0);
- if (prev_use_count == 1) {
- attribute &= ~KMemoryAttribute::DeviceShared;
+ constexpr bool Contains(VAddr addr) const {
+ return this->GetAddress() <= addr && addr <= this->GetEndAddress();
+ }
+
+ constexpr void Add(const KMemoryBlock& added_block) {
+ ASSERT(added_block.GetNumPages() > 0);
+ ASSERT(this->GetAddress() + added_block.GetSize() - 1 <
+ this->GetEndAddress() + added_block.GetSize() - 1);
+
+ m_num_pages += added_block.GetNumPages();
+ m_disable_merge_attribute = static_cast<KMemoryBlockDisableMergeAttribute>(
+ m_disable_merge_attribute | added_block.m_disable_merge_attribute);
+ m_device_disable_merge_right_count = added_block.m_device_disable_merge_right_count;
+ }
+
+ constexpr void Update(KMemoryState s, KMemoryPermission p, KMemoryAttribute a,
+ bool set_disable_merge_attr, u8 set_mask, u8 clear_mask) {
+ ASSERT(m_original_permission == KMemoryPermission::None);
+ ASSERT((m_attribute & KMemoryAttribute::IpcLocked) == KMemoryAttribute::None);
+
+ m_memory_state = s;
+ m_permission = p;
+ m_attribute = static_cast<KMemoryAttribute>(
+ a | (m_attribute & (KMemoryAttribute::IpcLocked | KMemoryAttribute::DeviceShared)));
+
+ if (set_disable_merge_attr && set_mask != 0) {
+ m_disable_merge_attribute = m_disable_merge_attribute |
+ static_cast<KMemoryBlockDisableMergeAttribute>(set_mask);
+ }
+ if (clear_mask != 0) {
+ m_disable_merge_attribute = m_disable_merge_attribute &
+ static_cast<KMemoryBlockDisableMergeAttribute>(~clear_mask);
}
}
-private:
- constexpr bool HasProperties(KMemoryState s, KMemoryPermission p, KMemoryAttribute a) const {
- constexpr KMemoryAttribute AttributeIgnoreMask{KMemoryAttribute::DontCareMask |
- KMemoryAttribute::IpcLocked |
- KMemoryAttribute::DeviceShared};
- return state == s && perm == p &&
- (attribute | AttributeIgnoreMask) == (a | AttributeIgnoreMask);
+ constexpr void Split(KMemoryBlock* block, VAddr addr) {
+ ASSERT(this->GetAddress() < addr);
+ ASSERT(this->Contains(addr));
+ ASSERT(Common::IsAligned(addr, PageSize));
+
+ block->m_address = m_address;
+ block->m_num_pages = (addr - this->GetAddress()) / PageSize;
+ block->m_memory_state = m_memory_state;
+ block->m_ipc_lock_count = m_ipc_lock_count;
+ block->m_device_use_count = m_device_use_count;
+ block->m_permission = m_permission;
+ block->m_original_permission = m_original_permission;
+ block->m_attribute = m_attribute;
+ block->m_disable_merge_attribute = static_cast<KMemoryBlockDisableMergeAttribute>(
+ m_disable_merge_attribute & KMemoryBlockDisableMergeAttribute::AllLeft);
+ block->m_ipc_disable_merge_count = m_ipc_disable_merge_count;
+ block->m_device_disable_merge_left_count = m_device_disable_merge_left_count;
+ block->m_device_disable_merge_right_count = 0;
+
+ m_address = addr;
+ m_num_pages -= block->m_num_pages;
+
+ m_ipc_disable_merge_count = 0;
+ m_device_disable_merge_left_count = 0;
+ m_disable_merge_attribute = static_cast<KMemoryBlockDisableMergeAttribute>(
+ m_disable_merge_attribute & KMemoryBlockDisableMergeAttribute::AllRight);
}
- constexpr bool HasSameProperties(const KMemoryBlock& rhs) const {
- return state == rhs.state && perm == rhs.perm && original_perm == rhs.original_perm &&
- attribute == rhs.attribute && ipc_lock_count == rhs.ipc_lock_count &&
- device_use_count == rhs.device_use_count;
+ constexpr void UpdateDeviceDisableMergeStateForShareLeft(
+ [[maybe_unused]] KMemoryPermission new_perm, bool left, [[maybe_unused]] bool right) {
+ if (left) {
+ m_disable_merge_attribute = static_cast<KMemoryBlockDisableMergeAttribute>(
+ m_disable_merge_attribute | KMemoryBlockDisableMergeAttribute::DeviceLeft);
+ const u16 new_device_disable_merge_left_count = ++m_device_disable_merge_left_count;
+ ASSERT(new_device_disable_merge_left_count > 0);
+ }
}
- constexpr bool Contains(VAddr start) const {
- return GetAddress() <= start && start <= GetEndAddress();
+ constexpr void UpdateDeviceDisableMergeStateForShareRight(
+ [[maybe_unused]] KMemoryPermission new_perm, [[maybe_unused]] bool left, bool right) {
+ if (right) {
+ m_disable_merge_attribute = static_cast<KMemoryBlockDisableMergeAttribute>(
+ m_disable_merge_attribute | KMemoryBlockDisableMergeAttribute::DeviceRight);
+ const u16 new_device_disable_merge_right_count = ++m_device_disable_merge_right_count;
+ ASSERT(new_device_disable_merge_right_count > 0);
+ }
+ }
+
+ constexpr void UpdateDeviceDisableMergeStateForShare(KMemoryPermission new_perm, bool left,
+ bool right) {
+ this->UpdateDeviceDisableMergeStateForShareLeft(new_perm, left, right);
+ this->UpdateDeviceDisableMergeStateForShareRight(new_perm, left, right);
}
- constexpr void Add(std::size_t count) {
- ASSERT(count > 0);
- ASSERT(GetAddress() + count * PageSize - 1 < GetEndAddress() + count * PageSize - 1);
+ constexpr void ShareToDevice([[maybe_unused]] KMemoryPermission new_perm, bool left,
+ bool right) {
+ // We must either be shared or have a zero lock count.
+ ASSERT((m_attribute & KMemoryAttribute::DeviceShared) == KMemoryAttribute::DeviceShared ||
+ m_device_use_count == 0);
- num_pages += count;
+ // Share.
+ const u16 new_count = ++m_device_use_count;
+ ASSERT(new_count > 0);
+
+ m_attribute = static_cast<KMemoryAttribute>(m_attribute | KMemoryAttribute::DeviceShared);
+
+ this->UpdateDeviceDisableMergeStateForShare(new_perm, left, right);
}
- constexpr void Update(KMemoryState new_state, KMemoryPermission new_perm,
- KMemoryAttribute new_attribute) {
- ASSERT(original_perm == KMemoryPermission::None);
- ASSERT((attribute & KMemoryAttribute::IpcLocked) == KMemoryAttribute::None);
+ constexpr void UpdateDeviceDisableMergeStateForUnshareLeft(
+ [[maybe_unused]] KMemoryPermission new_perm, bool left, [[maybe_unused]] bool right) {
- state = new_state;
- perm = new_perm;
+ if (left) {
+ if (!m_device_disable_merge_left_count) {
+ return;
+ }
+ --m_device_disable_merge_left_count;
+ }
- attribute = static_cast<KMemoryAttribute>(
- new_attribute |
- (attribute & (KMemoryAttribute::IpcLocked | KMemoryAttribute::DeviceShared)));
+ m_device_disable_merge_left_count =
+ std::min(m_device_disable_merge_left_count, m_device_use_count);
+
+ if (m_device_disable_merge_left_count == 0) {
+ m_disable_merge_attribute = static_cast<KMemoryBlockDisableMergeAttribute>(
+ m_disable_merge_attribute & ~KMemoryBlockDisableMergeAttribute::DeviceLeft);
+ }
}
- constexpr KMemoryBlock Split(VAddr split_addr) {
- ASSERT(GetAddress() < split_addr);
- ASSERT(Contains(split_addr));
- ASSERT(Common::IsAligned(split_addr, PageSize));
+ constexpr void UpdateDeviceDisableMergeStateForUnshareRight(
+ [[maybe_unused]] KMemoryPermission new_perm, [[maybe_unused]] bool left, bool right) {
+ if (right) {
+ const u16 old_device_disable_merge_right_count = m_device_disable_merge_right_count--;
+ ASSERT(old_device_disable_merge_right_count > 0);
+ if (old_device_disable_merge_right_count == 1) {
+ m_disable_merge_attribute = static_cast<KMemoryBlockDisableMergeAttribute>(
+ m_disable_merge_attribute & ~KMemoryBlockDisableMergeAttribute::DeviceRight);
+ }
+ }
+ }
- KMemoryBlock block;
- block.addr = addr;
- block.num_pages = (split_addr - GetAddress()) / PageSize;
- block.state = state;
- block.ipc_lock_count = ipc_lock_count;
- block.device_use_count = device_use_count;
- block.perm = perm;
- block.original_perm = original_perm;
- block.attribute = attribute;
+ constexpr void UpdateDeviceDisableMergeStateForUnshare(KMemoryPermission new_perm, bool left,
+ bool right) {
+ this->UpdateDeviceDisableMergeStateForUnshareLeft(new_perm, left, right);
+ this->UpdateDeviceDisableMergeStateForUnshareRight(new_perm, left, right);
+ }
- addr = split_addr;
- num_pages -= block.num_pages;
+ constexpr void UnshareToDevice([[maybe_unused]] KMemoryPermission new_perm, bool left,
+ bool right) {
+ // We must be shared.
+ ASSERT((m_attribute & KMemoryAttribute::DeviceShared) == KMemoryAttribute::DeviceShared);
+
+ // Unhare.
+ const u16 old_count = m_device_use_count--;
+ ASSERT(old_count > 0);
+
+ if (old_count == 1) {
+ m_attribute =
+ static_cast<KMemoryAttribute>(m_attribute & ~KMemoryAttribute::DeviceShared);
+ }
+
+ this->UpdateDeviceDisableMergeStateForUnshare(new_perm, left, right);
+ }
+
+ constexpr void UnshareToDeviceRight([[maybe_unused]] KMemoryPermission new_perm, bool left,
+ bool right) {
+
+ // We must be shared.
+ ASSERT((m_attribute & KMemoryAttribute::DeviceShared) == KMemoryAttribute::DeviceShared);
+
+ // Unhare.
+ const u16 old_count = m_device_use_count--;
+ ASSERT(old_count > 0);
+
+ if (old_count == 1) {
+ m_attribute =
+ static_cast<KMemoryAttribute>(m_attribute & ~KMemoryAttribute::DeviceShared);
+ }
+
+ this->UpdateDeviceDisableMergeStateForUnshareRight(new_perm, left, right);
+ }
+
+ constexpr void LockForIpc(KMemoryPermission new_perm, bool left, [[maybe_unused]] bool right) {
+ // We must either be locked or have a zero lock count.
+ ASSERT((m_attribute & KMemoryAttribute::IpcLocked) == KMemoryAttribute::IpcLocked ||
+ m_ipc_lock_count == 0);
+
+ // Lock.
+ const u16 new_lock_count = ++m_ipc_lock_count;
+ ASSERT(new_lock_count > 0);
+
+ // If this is our first lock, update our permissions.
+ if (new_lock_count == 1) {
+ ASSERT(m_original_permission == KMemoryPermission::None);
+ ASSERT((m_permission | new_perm | KMemoryPermission::NotMapped) ==
+ (m_permission | KMemoryPermission::NotMapped));
+ ASSERT((m_permission & KMemoryPermission::UserExecute) !=
+ KMemoryPermission::UserExecute ||
+ (new_perm == KMemoryPermission::UserRead));
+ m_original_permission = m_permission;
+ m_permission = static_cast<KMemoryPermission>(
+ (new_perm & KMemoryPermission::IpcLockChangeMask) |
+ (m_original_permission & ~KMemoryPermission::IpcLockChangeMask));
+ }
+ m_attribute = static_cast<KMemoryAttribute>(m_attribute | KMemoryAttribute::IpcLocked);
+
+ if (left) {
+ m_disable_merge_attribute = static_cast<KMemoryBlockDisableMergeAttribute>(
+ m_disable_merge_attribute | KMemoryBlockDisableMergeAttribute::IpcLeft);
+ const u16 new_ipc_disable_merge_count = ++m_ipc_disable_merge_count;
+ ASSERT(new_ipc_disable_merge_count > 0);
+ }
+ }
+
+ constexpr void UnlockForIpc([[maybe_unused]] KMemoryPermission new_perm, bool left,
+ [[maybe_unused]] bool right) {
+ // We must be locked.
+ ASSERT((m_attribute & KMemoryAttribute::IpcLocked) == KMemoryAttribute::IpcLocked);
+
+ // Unlock.
+ const u16 old_lock_count = m_ipc_lock_count--;
+ ASSERT(old_lock_count > 0);
+
+ // If this is our last unlock, update our permissions.
+ if (old_lock_count == 1) {
+ ASSERT(m_original_permission != KMemoryPermission::None);
+ m_permission = m_original_permission;
+ m_original_permission = KMemoryPermission::None;
+ m_attribute = static_cast<KMemoryAttribute>(m_attribute & ~KMemoryAttribute::IpcLocked);
+ }
+
+ if (left) {
+ const u16 old_ipc_disable_merge_count = m_ipc_disable_merge_count--;
+ ASSERT(old_ipc_disable_merge_count > 0);
+ if (old_ipc_disable_merge_count == 1) {
+ m_disable_merge_attribute = static_cast<KMemoryBlockDisableMergeAttribute>(
+ m_disable_merge_attribute & ~KMemoryBlockDisableMergeAttribute::IpcLeft);
+ }
+ }
+ }
- return block;
+ constexpr KMemoryBlockDisableMergeAttribute GetDisableMergeAttribute() const {
+ return m_disable_merge_attribute;
}
};
static_assert(std::is_trivially_destructible<KMemoryBlock>::value);
diff --git a/src/core/hle/service/ldr/ldr.cpp b/src/core/hle/service/ldr/ldr.cpp
index becd6d1b9..652441bc2 100644
--- a/src/core/hle/service/ldr/ldr.cpp
+++ b/src/core/hle/service/ldr/ldr.cpp
@@ -290,7 +290,7 @@ public:
const std::size_t padding_size{page_table.GetNumGuardPages() * Kernel::PageSize};
const auto start_info{page_table.QueryInfo(start - 1)};
- if (start_info.state != Kernel::KMemoryState::Free) {
+ if (start_info.GetState() != Kernel::KMemoryState::Free) {
return {};
}
@@ -300,7 +300,7 @@ public:
const auto end_info{page_table.QueryInfo(start + size)};
- if (end_info.state != Kernel::KMemoryState::Free) {
+ if (end_info.GetState() != Kernel::KMemoryState::Free) {
return {};
}