mirror of
https://github.com/Atmosphere-NX/Atmosphere.git
synced 2024-09-19 23:38:52 -04:00
kern: implement kmemoryblock/kmemoryinfo merge disable
This commit is contained in:
Michael Scire
SciresM
parent
3383509da6
commit
3bce008170
4 changed files with 286 additions and 170 deletions
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@ -176,15 +176,31 @@ namespace ams::kern {
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KMemoryAttribute_SetMask = KMemoryAttribute_Uncached,
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};
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enum KMemoryBlockDisableMergeAttribute : u8 {
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KMemoryBlockDisableMergeAttribute_None = 0,
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KMemoryBlockDisableMergeAttribute_Normal = (1u << 0),
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KMemoryBlockDisableMergeAttribute_DeviceLeft = (1u << 1),
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KMemoryBlockDisableMergeAttribute_IpcLeft = (1u << 2),
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KMemoryBlockDisableMergeAttribute_Locked = (1u << 3),
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KMemoryBlockDisableMergeAttribute_DeviceRight = (1u << 4),
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KMemoryBlockDisableMergeAttribute_AllLeft = KMemoryBlockDisableMergeAttribute_Normal | KMemoryBlockDisableMergeAttribute_DeviceLeft | KMemoryBlockDisableMergeAttribute_IpcLeft | KMemoryBlockDisableMergeAttribute_Locked,
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KMemoryBlockDisableMergeAttribute_AllRight = KMemoryBlockDisableMergeAttribute_DeviceRight,
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};
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struct KMemoryInfo {
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uintptr_t address;
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size_t size;
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KMemoryState state;
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u16 device_disable_merge_left_count;
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u16 device_disable_merge_right_count;
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u16 ipc_lock_count;
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u16 device_use_count;
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u16 ipc_disable_merge_count;
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KMemoryPermission perm;
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KMemoryAttribute attribute;
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KMemoryPermission original_perm;
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u16 ipc_lock_count;
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u16 device_use_count;
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KMemoryBlockDisableMergeAttribute disable_merge_attribute;
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constexpr ams::svc::MemoryInfo GetSvcMemoryInfo() const {
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return {
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@ -223,6 +239,10 @@ namespace ams::kern {
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return this->ipc_lock_count;
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}
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constexpr u16 GetIpcDisableMergeCount() const {
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return this->ipc_disable_merge_count;
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}
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constexpr KMemoryState GetState() const {
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return this->state;
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}
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@ -238,18 +258,26 @@ namespace ams::kern {
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constexpr KMemoryAttribute GetAttribute() const {
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return this->attribute;
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}
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constexpr KMemoryBlockDisableMergeAttribute GetDisableMergeAttribute() const {
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return this->disable_merge_attribute;
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}
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};
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class KMemoryBlock : public util::IntrusiveRedBlackTreeBaseNode<KMemoryBlock> {
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private:
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u16 device_disable_merge_left_count;
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u16 device_disable_merge_right_count;
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KProcessAddress address;
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size_t num_pages;
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KMemoryState memory_state;
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u16 ipc_lock_count;
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u16 device_use_count;
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u16 ipc_disable_merge_count;
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KMemoryPermission perm;
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KMemoryPermission original_perm;
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KMemoryAttribute attribute;
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KMemoryBlockDisableMergeAttribute disable_merge_attribute;
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public:
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static constexpr ALWAYS_INLINE int Compare(const KMemoryBlock &lhs, const KMemoryBlock &rhs) {
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if (lhs.GetAddress() < rhs.GetAddress()) {
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@ -285,6 +313,10 @@ namespace ams::kern {
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return this->ipc_lock_count;
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}
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constexpr u16 GetIpcDisableMergeCount() const {
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return this->ipc_disable_merge_count;
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}
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constexpr KMemoryPermission GetPermission() const {
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return this->perm;
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}
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@ -299,25 +331,29 @@ namespace ams::kern {
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constexpr KMemoryInfo GetMemoryInfo() const {
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return {
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.address = GetInteger(this->GetAddress()),
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.size = this->GetSize(),
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.state = this->memory_state,
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.perm = this->perm,
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.attribute = this->attribute,
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.original_perm = this->original_perm,
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.ipc_lock_count = this->ipc_lock_count,
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.device_use_count = this->device_use_count,
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.address = GetInteger(this->GetAddress()),
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.size = this->GetSize(),
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.state = this->memory_state,
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.device_disable_merge_left_count = this->device_disable_merge_left_count,
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.device_disable_merge_right_count = this->device_disable_merge_right_count,
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.ipc_lock_count = this->ipc_lock_count,
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.device_use_count = this->device_use_count,
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.ipc_disable_merge_count = this->ipc_disable_merge_count,
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.perm = this->perm,
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.attribute = this->attribute,
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.original_perm = this->original_perm,
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.disable_merge_attribute = this->disable_merge_attribute,
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};
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}
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public:
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constexpr KMemoryBlock()
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: address(), num_pages(), memory_state(KMemoryState_None), ipc_lock_count(), device_use_count(), perm(), original_perm(), attribute()
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: device_disable_merge_left_count(), device_disable_merge_right_count(), address(), num_pages(), memory_state(KMemoryState_None), ipc_lock_count(), device_use_count(), ipc_disable_merge_count(), perm(), original_perm(), attribute(), disable_merge_attribute()
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{
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/* ... */
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}
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constexpr KMemoryBlock(KProcessAddress addr, size_t np, KMemoryState ms, KMemoryPermission p, KMemoryAttribute attr)
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: address(addr), num_pages(np), memory_state(ms), ipc_lock_count(0), device_use_count(0), perm(p), original_perm(KMemoryPermission_None), attribute(attr)
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: device_disable_merge_left_count(), device_disable_merge_right_count(), address(addr), num_pages(np), memory_state(ms), ipc_lock_count(0), device_use_count(0), perm(p), ipc_disable_merge_count(), original_perm(KMemoryPermission_None), attribute(attr), disable_merge_attribute()
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{
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/* ... */
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}
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@ -351,21 +387,29 @@ namespace ams::kern {
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this->device_use_count == rhs.device_use_count;
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}
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constexpr bool CanMergeWith(const KMemoryBlock &rhs) const {
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return this->HasSameProperties(rhs) &&
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(this->disable_merge_attribute & KMemoryBlockDisableMergeAttribute_AllRight) == 0 &&
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(rhs.disable_merge_attribute & KMemoryBlockDisableMergeAttribute_AllLeft) == 0;
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}
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constexpr bool Contains(KProcessAddress addr) const {
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MESOSPHERE_ASSERT_THIS();
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return this->GetAddress() <= addr && addr <= this->GetEndAddress();
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}
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constexpr void Add(size_t np) {
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constexpr void Add(const KMemoryBlock &added_block) {
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MESOSPHERE_ASSERT_THIS();
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MESOSPHERE_ASSERT(np > 0);
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MESOSPHERE_ASSERT(this->GetAddress() + np * PageSize - 1 < this->GetEndAddress() + np * PageSize - 1);
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MESOSPHERE_ASSERT(added_block.GetNumPages() > 0);
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MESOSPHERE_ASSERT(this->GetAddress() + added_block.GetSize() - 1 < this->GetEndAddress() + added_block.GetSize() - 1);
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this->num_pages += np;
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this->num_pages += added_block.GetNumPages();
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this->disable_merge_attribute = static_cast<KMemoryBlockDisableMergeAttribute>(this->disable_merge_attribute | added_block.disable_merge_attribute);
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this->device_disable_merge_right_count = added_block.device_disable_merge_right_count;
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}
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constexpr void Update(KMemoryState s, KMemoryPermission p, KMemoryAttribute a) {
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constexpr void Update(KMemoryState s, KMemoryPermission p, KMemoryAttribute a, bool set_disable_merge_attr, u8 set_mask, u8 clear_mask) {
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MESOSPHERE_ASSERT_THIS();
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MESOSPHERE_ASSERT(this->original_perm == KMemoryPermission_None);
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MESOSPHERE_ASSERT((this->attribute & KMemoryAttribute_IpcLocked) == 0);
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@ -373,6 +417,13 @@ namespace ams::kern {
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this->memory_state = s;
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this->perm = p;
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this->attribute = static_cast<KMemoryAttribute>(a | (this->attribute & (KMemoryAttribute_IpcLocked | KMemoryAttribute_DeviceShared)));
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if (set_disable_merge_attr && set_mask != 0) {
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this->disable_merge_attribute = static_cast<KMemoryBlockDisableMergeAttribute>(this->disable_merge_attribute | set_mask);
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}
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if (clear_mask != 0) {
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this->disable_merge_attribute = static_cast<KMemoryBlockDisableMergeAttribute>(this->disable_merge_attribute & ~clear_mask);
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}
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}
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constexpr void Split(KMemoryBlock *block, KProcessAddress addr) {
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@ -381,20 +432,55 @@ namespace ams::kern {
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MESOSPHERE_ASSERT(this->Contains(addr));
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MESOSPHERE_ASSERT(util::IsAligned(GetInteger(addr), PageSize));
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block->address = this->address;
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block->num_pages = (addr - this->GetAddress()) / PageSize;
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block->memory_state = this->memory_state;
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block->ipc_lock_count = this->ipc_lock_count;
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block->device_use_count = this->device_use_count;
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block->perm = this->perm;
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block->original_perm = this->original_perm;
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block->attribute = this->attribute;
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block->address = this->address;
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block->num_pages = (addr - this->GetAddress()) / PageSize;
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block->memory_state = this->memory_state;
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block->ipc_lock_count = this->ipc_lock_count;
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block->device_use_count = this->device_use_count;
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block->perm = this->perm;
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block->original_perm = this->original_perm;
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block->attribute = this->attribute;
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block->disable_merge_attribute = static_cast<KMemoryBlockDisableMergeAttribute>(this->disable_merge_attribute & KMemoryBlockDisableMergeAttribute_AllLeft);
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block->ipc_disable_merge_count = this->ipc_disable_merge_count;
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block->device_disable_merge_left_count = this->device_disable_merge_left_count;
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block->device_disable_merge_right_count = 0;
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this->address = addr;
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this->num_pages -= block->num_pages;
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this->ipc_disable_merge_count = 0;
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this->device_disable_merge_left_count = 0;
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this->disable_merge_attribute = static_cast<KMemoryBlockDisableMergeAttribute>(this->disable_merge_attribute & KMemoryBlockDisableMergeAttribute_AllRight);
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}
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constexpr void ShareToDevice(KMemoryPermission new_perm) {
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constexpr void UpdateDeviceDisableMergeStateForShareLeft(KMemoryPermission new_perm, bool left, bool right) {
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/* New permission/right aren't used. */
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MESOSPHERE_UNUSED(new_perm, right);
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if (left) {
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this->disable_merge_attribute = static_cast<KMemoryBlockDisableMergeAttribute>(this->disable_merge_attribute | KMemoryBlockDisableMergeAttribute_DeviceLeft);
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const u16 new_device_disable_merge_left_count = ++this->device_disable_merge_left_count;
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MESOSPHERE_ABORT_UNLESS(device_disable_merge_left_count > 0);
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}
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}
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constexpr void UpdateDeviceDisableMergeStateForShareRight(KMemoryPermission new_perm, bool left, bool right) {
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/* New permission/left aren't used. */
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MESOSPHERE_UNUSED(new_perm, left);
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if (right) {
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this->disable_merge_attribute = static_cast<KMemoryBlockDisableMergeAttribute>(this->disable_merge_attribute | KMemoryBlockDisableMergeAttribute_DeviceRight);
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const u16 new_device_disable_merge_right_count = ++this->device_disable_merge_right_count;
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MESOSPHERE_ABORT_UNLESS(new_device_disable_merge_right_count > 0);
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}
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}
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constexpr void UpdateDeviceDisableMergeStateForShare(KMemoryPermission new_perm, bool left, bool right) {
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this->UpdateDeviceDisableMergeStateForShareLeft(new_perm, left, right);
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this->UpdateDeviceDisableMergeStateForShareRight(new_perm, left, right);
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}
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constexpr void ShareToDevice(KMemoryPermission new_perm, bool left, bool right) {
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/* New permission isn't used. */
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MESOSPHERE_UNUSED(new_perm);
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@ -406,9 +492,47 @@ namespace ams::kern {
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MESOSPHERE_ABORT_UNLESS(new_count > 0);
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this->attribute = static_cast<KMemoryAttribute>(this->attribute | KMemoryAttribute_DeviceShared);
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this->UpdateDeviceDisableMergeStateForShare(new_perm, left, right);
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}
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constexpr void UnshareToDevice(KMemoryPermission new_perm) {
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constexpr void UpdateDeviceDisableMergeStateForUnshareLeft(KMemoryPermission new_perm, bool left, bool right) {
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/* New permission/right aren't used. */
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MESOSPHERE_UNUSED(new_perm, right);
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if (left) {
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if (!this->device_disable_merge_left_count) {
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return;
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}
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--this->device_disable_merge_left_count;
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}
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this->device_disable_merge_left_count = std::min(this->device_disable_merge_left_count, this->device_use_count);
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if (this->device_disable_merge_left_count == 0) {
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this->disable_merge_attribute = static_cast<KMemoryBlockDisableMergeAttribute>(this->disable_merge_attribute & ~KMemoryBlockDisableMergeAttribute_DeviceLeft);
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}
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}
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constexpr void UpdateDeviceDisableMergeStateForUnshareRight(KMemoryPermission new_perm, bool left, bool right) {
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/* New permission/left aren't used. */
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MESOSPHERE_UNUSED(new_perm, left);
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if (right) {
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const u16 old_device_disable_merge_right_count = this->device_disable_merge_right_count--;
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MESOSPHERE_ASSERT(old_device_disable_merge_right_count > 0);
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if (old_device_disable_merge_right_count == 1) {
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this->disable_merge_attribute = static_cast<KMemoryBlockDisableMergeAttribute>(this->disable_merge_attribute & ~KMemoryBlockDisableMergeAttribute_DeviceRight);
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}
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}
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}
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constexpr void UpdateDeviceDisableMergeStateForUnshare(KMemoryPermission new_perm, bool left, bool right) {
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this->UpdateDeviceDisableMergeStateForUnshareLeft(new_perm, left, right);
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this->UpdateDeviceDisableMergeStateForUnshareRight(new_perm, left, right);
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}
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constexpr void UnshareToDevice(KMemoryPermission new_perm, bool left, bool right) {
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/* New permission isn't used. */
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MESOSPHERE_UNUSED(new_perm);
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@ -422,9 +546,29 @@ namespace ams::kern {
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if (old_count == 1) {
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this->attribute = static_cast<KMemoryAttribute>(this->attribute & ~KMemoryAttribute_DeviceShared);
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}
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this->UpdateDeviceDisableMergeStateForUnshare(new_perm, left, right);
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}
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constexpr void LockForIpc(KMemoryPermission new_perm) {
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constexpr void UnshareToDeviceRight(KMemoryPermission new_perm, bool left, bool right) {
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/* New permission isn't used. */
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MESOSPHERE_UNUSED(new_perm);
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/* We must be shared. */
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MESOSPHERE_ASSERT((this->attribute & KMemoryAttribute_DeviceShared) == KMemoryAttribute_DeviceShared);
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/* Unhare. */
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const u16 old_count = this->device_use_count--;
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MESOSPHERE_ABORT_UNLESS(old_count > 0);
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if (old_count == 1) {
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this->attribute = static_cast<KMemoryAttribute>(this->attribute & ~KMemoryAttribute_DeviceShared);
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}
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this->UpdateDeviceDisableMergeStateForUnshareRight(new_perm, left, right);
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}
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constexpr void LockForIpc(KMemoryPermission new_perm, bool left, bool right) {
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/* We must either be locked or have a zero lock count. */
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MESOSPHERE_ASSERT((this->attribute & KMemoryAttribute_IpcLocked) == KMemoryAttribute_IpcLocked || this->ipc_lock_count == 0);
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@ -441,9 +585,16 @@ namespace ams::kern {
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this->perm = static_cast<KMemoryPermission>((new_perm & KMemoryPermission_IpcLockChangeMask) | (this->original_perm & ~KMemoryPermission_IpcLockChangeMask));
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}
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this->attribute = static_cast<KMemoryAttribute>(this->attribute | KMemoryAttribute_IpcLocked);
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if (left) {
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this->disable_merge_attribute = static_cast<KMemoryBlockDisableMergeAttribute>(this->disable_merge_attribute | KMemoryBlockDisableMergeAttribute_IpcLeft);
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const u16 new_ipc_disable_merge_count = ++this->ipc_disable_merge_count;
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MESOSPHERE_ABORT_UNLESS(new_ipc_disable_merge_count > 0);
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}
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MESOSPHERE_UNUSED(right);
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}
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constexpr void UnlockForIpc(KMemoryPermission new_perm) {
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constexpr void UnlockForIpc(KMemoryPermission new_perm, bool left, bool right) {
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/* New permission isn't used. */
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MESOSPHERE_UNUSED(new_perm);
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@ -461,6 +612,19 @@ namespace ams::kern {
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this->original_perm = KMemoryPermission_None;
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this->attribute = static_cast<KMemoryAttribute>(this->attribute & ~KMemoryAttribute_IpcLocked);
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}
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if (left) {
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const u16 old_ipc_disable_merge_count = this->ipc_disable_merge_count--;
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MESOSPHERE_ASSERT(old_ipc_disable_merge_count > 0);
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if (old_ipc_disable_merge_count == 1) {
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this->disable_merge_attribute = static_cast<KMemoryBlockDisableMergeAttribute>(this->disable_merge_attribute & ~KMemoryBlockDisableMergeAttribute_IpcLeft);
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}
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}
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MESOSPHERE_UNUSED(right);
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}
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constexpr KMemoryBlockDisableMergeAttribute GetDisableMergeAttribute() const {
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return this->disable_merge_attribute;
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}
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};
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static_assert(std::is_trivially_destructible<KMemoryBlock>::value);
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@ -82,6 +82,8 @@ namespace ams::kern {
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MemoryBlockTree memory_block_tree;
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KProcessAddress start_address;
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KProcessAddress end_address;
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private:
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void CoalesceForUpdate(KMemoryBlockManagerUpdateAllocator *allocator, KProcessAddress address, size_t num_pages);
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public:
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constexpr KMemoryBlockManager() : memory_block_tree(), start_address(), end_address() { /* ... */ }
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@ -94,8 +96,8 @@ namespace ams::kern {
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KProcessAddress FindFreeArea(KProcessAddress region_start, size_t region_num_pages, size_t num_pages, size_t alignment, size_t offset, size_t guard_pages) const;
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void Update(KMemoryBlockManagerUpdateAllocator *allocator, KProcessAddress address, size_t num_pages, KMemoryState state, KMemoryPermission perm, KMemoryAttribute attr);
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void UpdateLock(KMemoryBlockManagerUpdateAllocator *allocator, KProcessAddress address, size_t num_pages, void (KMemoryBlock::*lock_func)(KMemoryPermission new_perm), KMemoryPermission perm);
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void Update(KMemoryBlockManagerUpdateAllocator *allocator, KProcessAddress address, size_t num_pages, KMemoryState state, KMemoryPermission perm, KMemoryAttribute attr, KMemoryBlockDisableMergeAttribute set_disable_attr, KMemoryBlockDisableMergeAttribute clear_disable_attr);
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void UpdateLock(KMemoryBlockManagerUpdateAllocator *allocator, KProcessAddress address, size_t num_pages, void (KMemoryBlock::*lock_func)(KMemoryPermission new_perm, bool left, bool right), KMemoryPermission perm);
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void UpdateIfMatch(KMemoryBlockManagerUpdateAllocator *allocator, KProcessAddress address, size_t num_pages, KMemoryState test_state, KMemoryPermission test_perm, KMemoryAttribute test_attr, KMemoryState state, KMemoryPermission perm, KMemoryAttribute attr);
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@ -147,7 +147,35 @@ namespace ams::kern {
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return Null<KProcessAddress>;
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}
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|
||||
void KMemoryBlockManager::Update(KMemoryBlockManagerUpdateAllocator *allocator, KProcessAddress address, size_t num_pages, KMemoryState state, KMemoryPermission perm, KMemoryAttribute attr) {
|
||||
void KMemoryBlockManager::CoalesceForUpdate(KMemoryBlockManagerUpdateAllocator *allocator, KProcessAddress address, size_t num_pages) {
|
||||
/* Find the iterator now that we've updated. */
|
||||
iterator it = this->FindIterator(address);
|
||||
if (address != this->start_address) {
|
||||
it--;
|
||||
}
|
||||
|
||||
/* Coalesce blocks that we can. */
|
||||
while (true) {
|
||||
iterator prev = it++;
|
||||
if (it == this->memory_block_tree.end()) {
|
||||
break;
|
||||
}
|
||||
|
||||
if (prev->CanMergeWith(*it)) {
|
||||
KMemoryBlock *block = std::addressof(*it);
|
||||
this->memory_block_tree.erase(it);
|
||||
prev->Add(*block);
|
||||
allocator->Free(block);
|
||||
it = prev;
|
||||
}
|
||||
|
||||
if (address + num_pages * PageSize < it->GetMemoryInfo().GetEndAddress()) {
|
||||
break;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
void KMemoryBlockManager::Update(KMemoryBlockManagerUpdateAllocator *allocator, KProcessAddress address, size_t num_pages, KMemoryState state, KMemoryPermission perm, KMemoryAttribute attr, KMemoryBlockDisableMergeAttribute set_disable_attr, KMemoryBlockDisableMergeAttribute clear_disable_attr) {
|
||||
/* Ensure for auditing that we never end up with an invalid tree. */
|
||||
KScopedMemoryBlockManagerAuditor auditor(this);
|
||||
MESOSPHERE_ASSERT(util::IsAligned(GetInteger(address), PageSize));
|
||||
|
|
@ -193,39 +221,14 @@ namespace ams::kern {
|
|||
}
|
||||
|
||||
/* Update block state. */
|
||||
it->Update(state, perm, attr);
|
||||
it->Update(state, perm, attr, cur_address == address, set_disable_attr, clear_disable_attr);
|
||||
cur_address += cur_info.GetSize();
|
||||
remaining_pages -= cur_info.GetNumPages();
|
||||
}
|
||||
it++;
|
||||
}
|
||||
|
||||
/* Find the iterator now that we've updated. */
|
||||
it = this->FindIterator(address);
|
||||
if (address != this->start_address) {
|
||||
it--;
|
||||
}
|
||||
|
||||
/* Coalesce blocks that we can. */
|
||||
while (true) {
|
||||
iterator prev = it++;
|
||||
if (it == this->memory_block_tree.end()) {
|
||||
break;
|
||||
}
|
||||
|
||||
if (prev->HasSameProperties(*it)) {
|
||||
KMemoryBlock *block = std::addressof(*it);
|
||||
const size_t pages = it->GetNumPages();
|
||||
this->memory_block_tree.erase(it);
|
||||
allocator->Free(block);
|
||||
prev->Add(pages);
|
||||
it = prev;
|
||||
}
|
||||
|
||||
if (address + num_pages * PageSize < it->GetMemoryInfo().GetEndAddress()) {
|
||||
break;
|
||||
}
|
||||
}
|
||||
this->CoalesceForUpdate(allocator, address, num_pages);
|
||||
}
|
||||
|
||||
void KMemoryBlockManager::UpdateIfMatch(KMemoryBlockManagerUpdateAllocator *allocator, KProcessAddress address, size_t num_pages, KMemoryState test_state, KMemoryPermission test_perm, KMemoryAttribute test_attr, KMemoryState state, KMemoryPermission perm, KMemoryAttribute attr) {
|
||||
|
|
@ -265,7 +268,7 @@ namespace ams::kern {
|
|||
}
|
||||
|
||||
/* Update block state. */
|
||||
it->Update(state, perm, attr);
|
||||
it->Update(state, perm, attr, false, KMemoryBlockDisableMergeAttribute_None, KMemoryBlockDisableMergeAttribute_None);
|
||||
cur_address += cur_info.GetSize();
|
||||
remaining_pages -= cur_info.GetNumPages();
|
||||
} else {
|
||||
|
|
@ -281,35 +284,10 @@ namespace ams::kern {
|
|||
it++;
|
||||
}
|
||||
|
||||
/* Find the iterator now that we've updated. */
|
||||
it = this->FindIterator(address);
|
||||
if (address != this->start_address) {
|
||||
it--;
|
||||
}
|
||||
|
||||
/* Coalesce blocks that we can. */
|
||||
while (true) {
|
||||
iterator prev = it++;
|
||||
if (it == this->memory_block_tree.end()) {
|
||||
break;
|
||||
}
|
||||
|
||||
if (prev->HasSameProperties(*it)) {
|
||||
KMemoryBlock *block = std::addressof(*it);
|
||||
const size_t pages = it->GetNumPages();
|
||||
this->memory_block_tree.erase(it);
|
||||
allocator->Free(block);
|
||||
prev->Add(pages);
|
||||
it = prev;
|
||||
}
|
||||
|
||||
if (address + num_pages * PageSize < it->GetMemoryInfo().GetEndAddress()) {
|
||||
break;
|
||||
}
|
||||
}
|
||||
this->CoalesceForUpdate(allocator, address, num_pages);
|
||||
}
|
||||
|
||||
void KMemoryBlockManager::UpdateLock(KMemoryBlockManagerUpdateAllocator *allocator, KProcessAddress address, size_t num_pages, void (KMemoryBlock::*lock_func)(KMemoryPermission new_perm), KMemoryPermission perm) {
|
||||
void KMemoryBlockManager::UpdateLock(KMemoryBlockManagerUpdateAllocator *allocator, KProcessAddress address, size_t num_pages, void (KMemoryBlock::*lock_func)(KMemoryPermission new_perm, bool left, bool right), KMemoryPermission perm) {
|
||||
/* Ensure for auditing that we never end up with an invalid tree. */
|
||||
KScopedMemoryBlockManagerAuditor auditor(this);
|
||||
MESOSPHERE_ASSERT(util::IsAligned(GetInteger(address), PageSize));
|
||||
|
|
@ -317,8 +295,8 @@ namespace ams::kern {
|
|||
KProcessAddress cur_address = address;
|
||||
size_t remaining_pages = num_pages;
|
||||
iterator it = this->FindIterator(address);
|
||||
iterator prev = it, next = it;
|
||||
bool check_coalesce_prev = false, check_coalesce_next = false;
|
||||
|
||||
const KProcessAddress end_address = address + (num_pages * PageSize);
|
||||
|
||||
while (remaining_pages > 0) {
|
||||
const size_t remaining_size = remaining_pages * PageSize;
|
||||
|
|
@ -334,10 +312,6 @@ namespace ams::kern {
|
|||
|
||||
cur_info = it->GetMemoryInfo();
|
||||
cur_address = cur_info.GetAddress();
|
||||
} else if (cur_address == address && cur_address != this->start_address) {
|
||||
/* If there's a previous, we should check for coalescing. */
|
||||
check_coalesce_prev = true;
|
||||
prev--;
|
||||
}
|
||||
|
||||
if (cur_info.GetSize() > remaining_size) {
|
||||
|
|
@ -348,47 +322,16 @@ namespace ams::kern {
|
|||
it = this->memory_block_tree.insert(*new_block);
|
||||
|
||||
cur_info = it->GetMemoryInfo();
|
||||
} else if (cur_info.GetSize() == remaining_size) {
|
||||
/* Otherwise if we can map precisely, we may need to check for coalescing against next block. */
|
||||
next = it;
|
||||
++next;
|
||||
if (next != this->memory_block_tree.end()) {
|
||||
check_coalesce_next = true;
|
||||
}
|
||||
}
|
||||
|
||||
/* Call the locked update function. */
|
||||
(std::addressof(*it)->*lock_func)(perm);
|
||||
(std::addressof(*it)->*lock_func)(perm, cur_info.GetAddress() == address, cur_info.GetEndAddress() == end_address);
|
||||
cur_address += cur_info.GetSize();
|
||||
remaining_pages -= cur_info.GetNumPages();
|
||||
it++;
|
||||
}
|
||||
|
||||
/* If we should try to coalesce prev, do so. */
|
||||
if (check_coalesce_prev) {
|
||||
it = prev;
|
||||
it++;
|
||||
if (prev->HasSameProperties(*it)) {
|
||||
KMemoryBlock *block = std::addressof(*it);
|
||||
const size_t pages = it->GetNumPages();
|
||||
this->memory_block_tree.erase(it);
|
||||
allocator->Free(block);
|
||||
prev->Add(pages);
|
||||
}
|
||||
}
|
||||
|
||||
/* If we should try to coalesce next, do so. */
|
||||
if (check_coalesce_next) {
|
||||
it = next;
|
||||
it--;
|
||||
if (it->HasSameProperties(*next)) {
|
||||
KMemoryBlock *block = std::addressof(*next);
|
||||
const size_t pages = next->GetNumPages();
|
||||
this->memory_block_tree.erase(next);
|
||||
allocator->Free(block);
|
||||
it->Add(pages);
|
||||
}
|
||||
}
|
||||
this->CoalesceForUpdate(allocator, address, num_pages);
|
||||
}
|
||||
|
||||
/* Debug. */
|
||||
|
|
@ -403,8 +346,8 @@ namespace ams::kern {
|
|||
const KMemoryInfo prev_info = prev->GetMemoryInfo();
|
||||
const KMemoryInfo cur_info = it->GetMemoryInfo();
|
||||
|
||||
/* Sequential blocks with same properties should be coalesced. */
|
||||
if (prev->HasSameProperties(*it)) {
|
||||
/* Sequential blocks which can be merged should be merged. */
|
||||
if (prev->CanMergeWith(*it)) {
|
||||
return false;
|
||||
}
|
||||
|
||||
|
|
|
|||
|
|
@ -544,7 +544,7 @@ namespace ams::kern {
|
|||
}
|
||||
|
||||
/* Apply the memory block updates. */
|
||||
this->memory_block_manager.Update(std::addressof(allocator), addr, num_pages, old_state, new_perm, new_attr);
|
||||
this->memory_block_manager.Update(std::addressof(allocator), addr, num_pages, old_state, new_perm, new_attr, KMemoryBlockDisableMergeAttribute_Locked, KMemoryBlockDisableMergeAttribute_None);
|
||||
|
||||
/* If we have an output group, open. */
|
||||
if (out_pg) {
|
||||
|
|
@ -598,7 +598,7 @@ namespace ams::kern {
|
|||
}
|
||||
|
||||
/* Apply the memory block updates. */
|
||||
this->memory_block_manager.Update(std::addressof(allocator), addr, num_pages, old_state, new_perm, new_attr);
|
||||
this->memory_block_manager.Update(std::addressof(allocator), addr, num_pages, old_state, new_perm, new_attr, KMemoryBlockDisableMergeAttribute_None, KMemoryBlockDisableMergeAttribute_Locked);
|
||||
|
||||
return ResultSuccess();
|
||||
}
|
||||
|
|
@ -741,8 +741,8 @@ namespace ams::kern {
|
|||
unprot_guard.Cancel();
|
||||
|
||||
/* Apply the memory block updates. */
|
||||
this->memory_block_manager.Update(std::addressof(src_allocator), src_address, num_pages, src_state, new_src_perm, new_src_attr);
|
||||
this->memory_block_manager.Update(std::addressof(dst_allocator), dst_address, num_pages, KMemoryState_Stack, KMemoryPermission_UserReadWrite, KMemoryAttribute_None);
|
||||
this->memory_block_manager.Update(std::addressof(src_allocator), src_address, num_pages, src_state, new_src_perm, new_src_attr, KMemoryBlockDisableMergeAttribute_Locked, KMemoryBlockDisableMergeAttribute_None);
|
||||
this->memory_block_manager.Update(std::addressof(dst_allocator), dst_address, num_pages, KMemoryState_Stack, KMemoryPermission_UserReadWrite, KMemoryAttribute_None, KMemoryBlockDisableMergeAttribute_Normal, KMemoryBlockDisableMergeAttribute_None);
|
||||
}
|
||||
|
||||
return ResultSuccess();
|
||||
|
|
@ -804,8 +804,8 @@ namespace ams::kern {
|
|||
remap_guard.Cancel();
|
||||
|
||||
/* Apply the memory block updates. */
|
||||
this->memory_block_manager.Update(std::addressof(src_allocator), src_address, num_pages, src_state, KMemoryPermission_UserReadWrite, KMemoryAttribute_None);
|
||||
this->memory_block_manager.Update(std::addressof(dst_allocator), dst_address, num_pages, KMemoryState_None, KMemoryPermission_None, KMemoryAttribute_None);
|
||||
this->memory_block_manager.Update(std::addressof(src_allocator), src_address, num_pages, src_state, KMemoryPermission_UserReadWrite, KMemoryAttribute_None, KMemoryBlockDisableMergeAttribute_None, KMemoryBlockDisableMergeAttribute_Locked);
|
||||
this->memory_block_manager.Update(std::addressof(dst_allocator), dst_address, num_pages, KMemoryState_None, KMemoryPermission_None, KMemoryAttribute_None, KMemoryBlockDisableMergeAttribute_None, KMemoryBlockDisableMergeAttribute_Normal);
|
||||
}
|
||||
|
||||
return ResultSuccess();
|
||||
|
|
@ -869,8 +869,8 @@ namespace ams::kern {
|
|||
unprot_guard.Cancel();
|
||||
|
||||
/* Apply the memory block updates. */
|
||||
this->memory_block_manager.Update(std::addressof(src_allocator), src_address, num_pages, src_state, new_perm, KMemoryAttribute_Locked);
|
||||
this->memory_block_manager.Update(std::addressof(dst_allocator), dst_address, num_pages, KMemoryState_AliasCode, new_perm, KMemoryAttribute_None);
|
||||
this->memory_block_manager.Update(std::addressof(src_allocator), src_address, num_pages, src_state, new_perm, KMemoryAttribute_Locked, KMemoryBlockDisableMergeAttribute_Locked, KMemoryBlockDisableMergeAttribute_None);
|
||||
this->memory_block_manager.Update(std::addressof(dst_allocator), dst_address, num_pages, KMemoryState_AliasCode, new_perm, KMemoryAttribute_None, KMemoryBlockDisableMergeAttribute_Normal, KMemoryBlockDisableMergeAttribute_None);
|
||||
}
|
||||
|
||||
return ResultSuccess();
|
||||
|
|
@ -965,8 +965,8 @@ namespace ams::kern {
|
|||
remap_guard.Cancel();
|
||||
|
||||
/* Apply the memory block updates. */
|
||||
this->memory_block_manager.Update(std::addressof(src_allocator), src_address, num_pages, KMemoryState_Normal, KMemoryPermission_UserReadWrite, KMemoryAttribute_None);
|
||||
this->memory_block_manager.Update(std::addressof(dst_allocator), dst_address, num_pages, KMemoryState_None, KMemoryPermission_None, KMemoryAttribute_None);
|
||||
this->memory_block_manager.Update(std::addressof(dst_allocator), dst_address, num_pages, KMemoryState_None, KMemoryPermission_None, KMemoryAttribute_None, KMemoryBlockDisableMergeAttribute_None, KMemoryBlockDisableMergeAttribute_Normal);
|
||||
this->memory_block_manager.Update(std::addressof(src_allocator), src_address, num_pages, KMemoryState_Normal, KMemoryPermission_UserReadWrite, KMemoryAttribute_None, KMemoryBlockDisableMergeAttribute_None, KMemoryBlockDisableMergeAttribute_Locked);
|
||||
|
||||
/* Note that we reprotected pages. */
|
||||
reprotected_pages = true;
|
||||
|
|
@ -1100,7 +1100,7 @@ namespace ams::kern {
|
|||
MESOSPHERE_ABORT_UNLESS(map_end_address != map_address);
|
||||
|
||||
/* Determine if we should disable head merge. */
|
||||
const bool disable_head_merge = info.GetAddress() >= GetInteger(start_address) /* TODO */;
|
||||
const bool disable_head_merge = info.GetAddress() >= GetInteger(start_address) && (info.GetDisableMergeAttribute() & KMemoryBlockDisableMergeAttribute_Normal) != 0;
|
||||
const KPageProperties map_properties = { info.GetPermission(), false, false, disable_head_merge ? DisableMergeAttribute_DisableHead : DisableMergeAttribute_None };
|
||||
|
||||
/* While we have pages to map, map them. */
|
||||
|
|
@ -1311,7 +1311,7 @@ namespace ams::kern {
|
|||
R_TRY(this->Operate(updater.GetPageList(), addr, num_pages, Null<KPhysicalAddress>, false, properties, OperationType_ChangePermissions, false));
|
||||
|
||||
/* Update the blocks. */
|
||||
this->memory_block_manager.Update(&allocator, addr, num_pages, old_state, new_perm, KMemoryAttribute_None);
|
||||
this->memory_block_manager.Update(&allocator, addr, num_pages, old_state, new_perm, KMemoryAttribute_None, KMemoryBlockDisableMergeAttribute_None, KMemoryBlockDisableMergeAttribute_None);
|
||||
|
||||
return ResultSuccess();
|
||||
}
|
||||
|
|
@ -1368,7 +1368,7 @@ namespace ams::kern {
|
|||
R_TRY(this->Operate(updater.GetPageList(), addr, num_pages, Null<KPhysicalAddress>, false, properties, operation, false));
|
||||
|
||||
/* Update the blocks. */
|
||||
this->memory_block_manager.Update(&allocator, addr, num_pages, new_state, new_perm, KMemoryAttribute_None);
|
||||
this->memory_block_manager.Update(&allocator, addr, num_pages, new_state, new_perm, KMemoryAttribute_None, KMemoryBlockDisableMergeAttribute_None, KMemoryBlockDisableMergeAttribute_None);
|
||||
|
||||
/* Ensure cache coherency, if we're setting pages as executable. */
|
||||
if (is_x) {
|
||||
|
|
@ -1415,7 +1415,7 @@ namespace ams::kern {
|
|||
R_TRY(this->Operate(updater.GetPageList(), addr, num_pages, Null<KPhysicalAddress>, false, properties, OperationType_ChangePermissionsAndRefresh, false));
|
||||
|
||||
/* Update the blocks. */
|
||||
this->memory_block_manager.Update(&allocator, addr, num_pages, old_state, old_perm, new_attr);
|
||||
this->memory_block_manager.Update(&allocator, addr, num_pages, old_state, old_perm, new_attr, KMemoryBlockDisableMergeAttribute_None, KMemoryBlockDisableMergeAttribute_None);
|
||||
|
||||
return ResultSuccess();
|
||||
}
|
||||
|
|
@ -1463,7 +1463,7 @@ namespace ams::kern {
|
|||
GetCurrentProcess().ReleaseResource(ams::svc::LimitableResource_PhysicalMemoryMax, num_pages * PageSize);
|
||||
|
||||
/* Apply the memory block update. */
|
||||
this->memory_block_manager.Update(std::addressof(allocator), this->heap_region_start + size, num_pages, KMemoryState_Free, KMemoryPermission_None, KMemoryAttribute_None);
|
||||
this->memory_block_manager.Update(std::addressof(allocator), this->heap_region_start + size, num_pages, KMemoryState_Free, KMemoryPermission_None, KMemoryAttribute_None, KMemoryBlockDisableMergeAttribute_None, size == 0 ? KMemoryBlockDisableMergeAttribute_Normal : KMemoryBlockDisableMergeAttribute_None);
|
||||
|
||||
/* Update the current heap end. */
|
||||
this->current_heap_end = this->heap_region_start + size;
|
||||
|
|
@ -1528,7 +1528,7 @@ namespace ams::kern {
|
|||
memory_reservation.Commit();
|
||||
|
||||
/* Apply the memory block update. */
|
||||
this->memory_block_manager.Update(std::addressof(allocator), this->current_heap_end, num_pages, KMemoryState_Normal, KMemoryPermission_UserReadWrite, KMemoryAttribute_None);
|
||||
this->memory_block_manager.Update(std::addressof(allocator), this->current_heap_end, num_pages, KMemoryState_Normal, KMemoryPermission_UserReadWrite, KMemoryAttribute_None, this->heap_region_start == this->current_heap_end ? KMemoryBlockDisableMergeAttribute_Normal : KMemoryBlockDisableMergeAttribute_None, KMemoryBlockDisableMergeAttribute_None);
|
||||
|
||||
/* Update the current heap end. */
|
||||
this->current_heap_end = this->heap_region_start + size;
|
||||
|
|
@ -1555,14 +1555,18 @@ namespace ams::kern {
|
|||
/* If the address is invalid, create a fake block. */
|
||||
if (!this->Contains(addr, 1)) {
|
||||
*out_info = {
|
||||
.address = GetInteger(this->address_space_end),
|
||||
.size = 0 - GetInteger(this->address_space_end),
|
||||
.state = static_cast<KMemoryState>(ams::svc::MemoryState_Inaccessible),
|
||||
.perm = KMemoryPermission_None,
|
||||
.attribute = KMemoryAttribute_None,
|
||||
.original_perm = KMemoryPermission_None,
|
||||
.ipc_lock_count = 0,
|
||||
.device_use_count = 0,
|
||||
.address = GetInteger(this->address_space_end),
|
||||
.size = 0 - GetInteger(this->address_space_end),
|
||||
.state = static_cast<KMemoryState>(ams::svc::MemoryState_Inaccessible),
|
||||
.device_disable_merge_left_count = 0,
|
||||
.device_disable_merge_right_count = 0,
|
||||
.ipc_lock_count = 0,
|
||||
.device_use_count = 0,
|
||||
.ipc_disable_merge_count = 0,
|
||||
.perm = KMemoryPermission_None,
|
||||
.attribute = KMemoryAttribute_None,
|
||||
.original_perm = KMemoryPermission_None,
|
||||
.disable_merge_attribute = KMemoryBlockDisableMergeAttribute_None,
|
||||
};
|
||||
out_page_info->flags = 0;
|
||||
|
||||
|
|
@ -1724,7 +1728,7 @@ namespace ams::kern {
|
|||
R_TRY(this->Operate(updater.GetPageList(), addr, num_pages, phys_addr, true, properties, OperationType_Map, false));
|
||||
|
||||
/* Update the blocks. */
|
||||
this->memory_block_manager.Update(&allocator, addr, num_pages, KMemoryState_Io, perm, KMemoryAttribute_None);
|
||||
this->memory_block_manager.Update(&allocator, addr, num_pages, KMemoryState_Io, perm, KMemoryAttribute_None, KMemoryBlockDisableMergeAttribute_Normal, KMemoryBlockDisableMergeAttribute_None);
|
||||
|
||||
/* We successfully mapped the pages. */
|
||||
return ResultSuccess();
|
||||
|
|
@ -1791,7 +1795,7 @@ namespace ams::kern {
|
|||
R_TRY(this->Operate(updater.GetPageList(), addr, num_pages, phys_addr, true, properties, OperationType_Map, false));
|
||||
|
||||
/* Update the blocks. */
|
||||
this->memory_block_manager.Update(&allocator, addr, num_pages, KMemoryState_Static, perm, KMemoryAttribute_None);
|
||||
this->memory_block_manager.Update(&allocator, addr, num_pages, KMemoryState_Static, perm, KMemoryAttribute_None, KMemoryBlockDisableMergeAttribute_Normal, KMemoryBlockDisableMergeAttribute_None);
|
||||
|
||||
/* We successfully mapped the pages. */
|
||||
return ResultSuccess();
|
||||
|
|
@ -1843,7 +1847,7 @@ namespace ams::kern {
|
|||
}
|
||||
|
||||
/* Update the blocks. */
|
||||
this->memory_block_manager.Update(std::addressof(allocator), addr, num_pages, state, perm, KMemoryAttribute_None);
|
||||
this->memory_block_manager.Update(std::addressof(allocator), addr, num_pages, state, perm, KMemoryAttribute_None, KMemoryBlockDisableMergeAttribute_Normal, KMemoryBlockDisableMergeAttribute_None);
|
||||
|
||||
/* We successfully mapped the pages. */
|
||||
*out_addr = addr;
|
||||
|
|
@ -1873,7 +1877,7 @@ namespace ams::kern {
|
|||
R_TRY(this->AllocateAndMapPagesImpl(updater.GetPageList(), address, num_pages, perm));
|
||||
|
||||
/* Update the blocks. */
|
||||
this->memory_block_manager.Update(std::addressof(allocator), address, num_pages, state, perm, KMemoryAttribute_None);
|
||||
this->memory_block_manager.Update(std::addressof(allocator), address, num_pages, state, perm, KMemoryAttribute_None, KMemoryBlockDisableMergeAttribute_Normal, KMemoryBlockDisableMergeAttribute_None);
|
||||
|
||||
return ResultSuccess();
|
||||
}
|
||||
|
|
@ -1902,7 +1906,7 @@ namespace ams::kern {
|
|||
R_TRY(this->Operate(updater.GetPageList(), address, num_pages, Null<KPhysicalAddress>, false, unmap_properties, OperationType_Unmap, false));
|
||||
|
||||
/* Update the blocks. */
|
||||
this->memory_block_manager.Update(&allocator, address, num_pages, KMemoryState_Free, KMemoryPermission_None, KMemoryAttribute_None);
|
||||
this->memory_block_manager.Update(&allocator, address, num_pages, KMemoryState_Free, KMemoryPermission_None, KMemoryAttribute_None, KMemoryBlockDisableMergeAttribute_None, KMemoryBlockDisableMergeAttribute_Normal);
|
||||
|
||||
return ResultSuccess();
|
||||
}
|
||||
|
|
@ -1936,7 +1940,7 @@ namespace ams::kern {
|
|||
R_TRY(this->MapPageGroupImpl(updater.GetPageList(), addr, pg, properties, false));
|
||||
|
||||
/* Update the blocks. */
|
||||
this->memory_block_manager.Update(&allocator, addr, num_pages, state, perm, KMemoryAttribute_None);
|
||||
this->memory_block_manager.Update(&allocator, addr, num_pages, state, perm, KMemoryAttribute_None, KMemoryBlockDisableMergeAttribute_Normal, KMemoryBlockDisableMergeAttribute_None);
|
||||
|
||||
/* We successfully mapped the pages. */
|
||||
*out_addr = addr;
|
||||
|
|
@ -1970,7 +1974,7 @@ namespace ams::kern {
|
|||
R_TRY(this->MapPageGroupImpl(updater.GetPageList(), addr, pg, properties, false));
|
||||
|
||||
/* Update the blocks. */
|
||||
this->memory_block_manager.Update(&allocator, addr, num_pages, state, perm, KMemoryAttribute_None);
|
||||
this->memory_block_manager.Update(&allocator, addr, num_pages, state, perm, KMemoryAttribute_None, KMemoryBlockDisableMergeAttribute_Normal, KMemoryBlockDisableMergeAttribute_None);
|
||||
|
||||
/* We successfully mapped the pages. */
|
||||
return ResultSuccess();
|
||||
|
|
@ -2006,7 +2010,7 @@ namespace ams::kern {
|
|||
R_TRY(this->Operate(updater.GetPageList(), address, num_pages, Null<KPhysicalAddress>, false, properties, OperationType_Unmap, false));
|
||||
|
||||
/* Update the blocks. */
|
||||
this->memory_block_manager.Update(&allocator, address, num_pages, KMemoryState_Free, KMemoryPermission_None, KMemoryAttribute_None);
|
||||
this->memory_block_manager.Update(&allocator, address, num_pages, KMemoryState_Free, KMemoryPermission_None, KMemoryAttribute_None, KMemoryBlockDisableMergeAttribute_None, KMemoryBlockDisableMergeAttribute_Normal);
|
||||
|
||||
return ResultSuccess();
|
||||
}
|
||||
|
|
@ -3261,7 +3265,7 @@ namespace ams::kern {
|
|||
}
|
||||
|
||||
/* Update memory blocks to reflect our changes */
|
||||
this->memory_block_manager.Update(std::addressof(allocator), dst_addr, aligned_src_size / PageSize, dst_state, test_perm, KMemoryAttribute_None);
|
||||
this->memory_block_manager.Update(std::addressof(allocator), dst_addr, aligned_src_size / PageSize, dst_state, test_perm, KMemoryAttribute_None, KMemoryBlockDisableMergeAttribute_Normal, KMemoryBlockDisableMergeAttribute_None);
|
||||
|
||||
/* Set the output address. */
|
||||
*out_addr = dst_addr + (src_start - aligned_src_start);
|
||||
|
|
@ -3357,7 +3361,7 @@ namespace ams::kern {
|
|||
R_TRY(this->Operate(updater.GetPageList(), aligned_start, aligned_num_pages, Null<KPhysicalAddress>, false, unmap_properties, OperationType_Unmap, false));
|
||||
|
||||
/* Update memory blocks. */
|
||||
this->memory_block_manager.Update(std::addressof(allocator), aligned_start, aligned_num_pages, KMemoryState_None, KMemoryPermission_None, KMemoryAttribute_None);
|
||||
this->memory_block_manager.Update(std::addressof(allocator), aligned_start, aligned_num_pages, KMemoryState_None, KMemoryPermission_None, KMemoryAttribute_None, KMemoryBlockDisableMergeAttribute_None, KMemoryBlockDisableMergeAttribute_Normal);
|
||||
|
||||
/* Release from the resource limit as relevant. */
|
||||
if (auto *resource_limit = server_process->GetResourceLimit(); resource_limit != nullptr) {
|
||||
|
|
@ -3431,7 +3435,7 @@ namespace ams::kern {
|
|||
size_t cur_size = cur_info.GetSize();
|
||||
bool cur_perm_eq = cur_info.GetPermission() == cur_info.GetOriginalPermission();
|
||||
bool cur_needs_set_perm = !cur_perm_eq && cur_info.GetIpcLockCount() == 1;
|
||||
bool first = false /* TODO */;
|
||||
bool first = cur_info.GetIpcDisableMergeCount() == 1 && (cur_info.GetDisableMergeAttribute() & KMemoryBlockDisableMergeAttribute_Locked) == 0;
|
||||
|
||||
while ((GetInteger(cur_address) + cur_size - 1) < mapped_last) {
|
||||
/* Check that we have a next block. */
|
||||
|
|
@ -3490,7 +3494,7 @@ namespace ams::kern {
|
|||
size_t cur_size = cur_info.GetSize();
|
||||
bool cur_perm_eq = cur_info.GetPermission() == cur_info.GetOriginalPermission();
|
||||
bool cur_needs_set_perm = !cur_perm_eq && cur_info.GetIpcLockCount() == 1;
|
||||
bool first = false /* TODO */;
|
||||
bool first = cur_info.GetIpcDisableMergeCount() == 1 && (cur_info.GetDisableMergeAttribute() & KMemoryBlockDisableMergeAttribute_Locked) == 0;
|
||||
|
||||
while ((cur_address + cur_size - 1) < mapping_last) {
|
||||
/* Check that we have a next block. */
|
||||
|
|
@ -3532,7 +3536,7 @@ namespace ams::kern {
|
|||
}
|
||||
|
||||
/* Process the last block. */
|
||||
const auto lock_count = cur_info.GetIpcLockCount() /* TODO */;
|
||||
const auto lock_count = cur_info.GetIpcLockCount() + (next_it != this->memory_block_manager.end() ? (next_it->GetIpcDisableMergeCount() - next_it->GetIpcLockCount()) : 0);
|
||||
if ((first || cur_needs_set_perm || (lock_count == 1)) && !cur_perm_eq) {
|
||||
const DisableMergeAttribute head_body_attr = first ? DisableMergeAttribute_EnableHeadAndBody : DisableMergeAttribute_None;
|
||||
const DisableMergeAttribute tail_attr = lock_count == 1 ? DisableMergeAttribute_EnableTail : DisableMergeAttribute_None;
|
||||
|
|
@ -3582,12 +3586,15 @@ namespace ams::kern {
|
|||
{
|
||||
/* Check if we actually need to fix the protections on the block. */
|
||||
if (cur_end == src_map_end || info.GetAddress() <= GetInteger(src_map_start) || (info.GetPermission() & KMemoryPermission_IpcLockChangeMask) != prot_perm) {
|
||||
const bool start_nc = (info.GetAddress() == GetInteger(src_map_start)) ? (/* TODO */ true) : info.GetAddress() <= GetInteger(src_map_start);
|
||||
const bool start_nc = (info.GetAddress() == GetInteger(src_map_start)) ? ((info.GetDisableMergeAttribute() & (KMemoryBlockDisableMergeAttribute_Locked | KMemoryBlockDisableMergeAttribute_IpcLeft)) == 0) : info.GetAddress() <= GetInteger(src_map_start);
|
||||
|
||||
const DisableMergeAttribute head_body_attr = start_nc ? DisableMergeAttribute_EnableHeadAndBody : DisableMergeAttribute_None;
|
||||
DisableMergeAttribute tail_attr;
|
||||
if (cur_end == src_map_end && info.GetEndAddress() == src_map_end) {
|
||||
const auto lock_count = info.GetIpcLockCount() /* TODO */;
|
||||
auto next_it = it;
|
||||
++next_it;
|
||||
|
||||
const auto lock_count = info.GetIpcLockCount() + (next_it != this->memory_block_manager.end() ? (next_it->GetIpcDisableMergeCount() - next_it->GetIpcLockCount()) : 0);
|
||||
tail_attr = lock_count == 0 ? DisableMergeAttribute_EnableTail : DisableMergeAttribute_None;
|
||||
} else {
|
||||
tail_attr = DisableMergeAttribute_None;
|
||||
|
|
@ -4074,7 +4081,7 @@ namespace ams::kern {
|
|||
GetCurrentProcess().ReleaseResource(ams::svc::LimitableResource_PhysicalMemoryMax, mapped_size);
|
||||
|
||||
/* Update memory blocks. */
|
||||
this->memory_block_manager.Update(std::addressof(allocator), address, size / PageSize, KMemoryState_Free, KMemoryPermission_None, KMemoryAttribute_None);
|
||||
this->memory_block_manager.Update(std::addressof(allocator), address, size / PageSize, KMemoryState_Free, KMemoryPermission_None, KMemoryAttribute_None, KMemoryBlockDisableMergeAttribute_None, KMemoryBlockDisableMergeAttribute_None);
|
||||
|
||||
/* We succeeded. */
|
||||
remap_guard.Cancel();
|
||||
|
|
@ -4125,7 +4132,7 @@ namespace ams::kern {
|
|||
R_TRY(this->Operate(updater.GetPageList(), address, num_pages, pg, map_properties, OperationType_MapGroup, false));
|
||||
|
||||
/* Apply the memory block update. */
|
||||
this->memory_block_manager.Update(std::addressof(allocator), address, num_pages, KMemoryState_Normal, KMemoryPermission_UserReadWrite, KMemoryAttribute_None);
|
||||
this->memory_block_manager.Update(std::addressof(allocator), address, num_pages, KMemoryState_Normal, KMemoryPermission_UserReadWrite, KMemoryAttribute_None, KMemoryBlockDisableMergeAttribute_Normal, KMemoryBlockDisableMergeAttribute_None);
|
||||
|
||||
/* Update our mapped unsafe size. */
|
||||
this->mapped_unsafe_physical_memory += size;
|
||||
|
|
@ -4160,7 +4167,7 @@ namespace ams::kern {
|
|||
R_TRY(this->Operate(updater.GetPageList(), address, num_pages, Null<KPhysicalAddress>, false, unmap_properties, OperationType_Unmap, false));
|
||||
|
||||
/* Apply the memory block update. */
|
||||
this->memory_block_manager.Update(std::addressof(allocator), address, num_pages, KMemoryState_Free, KMemoryPermission_None, KMemoryAttribute_None);
|
||||
this->memory_block_manager.Update(std::addressof(allocator), address, num_pages, KMemoryState_Free, KMemoryPermission_None, KMemoryAttribute_None, KMemoryBlockDisableMergeAttribute_None, KMemoryBlockDisableMergeAttribute_Normal);
|
||||
|
||||
/* Release the unsafe memory from the limit. */
|
||||
Kernel::GetUnsafeMemory().Release(size);
|
||||
|
|
|
|||
Loading…
Reference in a new issue