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-rw-r--r--src/core/hle/kernel/k_page_group.h11
-rw-r--r--src/core/hle/kernel/k_page_table.cpp68
-rw-r--r--src/core/hle/kernel/k_page_table.h4
3 files changed, 49 insertions, 34 deletions
diff --git a/src/core/hle/kernel/k_page_group.h b/src/core/hle/kernel/k_page_group.h
index b32909f05..de9d63a8d 100644
--- a/src/core/hle/kernel/k_page_group.h
+++ b/src/core/hle/kernel/k_page_group.h
@@ -183,12 +183,17 @@ private:
class KScopedPageGroup {
public:
- explicit KScopedPageGroup(const KPageGroup* gp) : m_pg(gp) {
+ explicit KScopedPageGroup(const KPageGroup* gp, bool not_first = true) : m_pg(gp) {
if (m_pg) {
- m_pg->Open();
+ if (not_first) {
+ m_pg->Open();
+ } else {
+ m_pg->OpenFirst();
+ }
}
}
- explicit KScopedPageGroup(const KPageGroup& gp) : KScopedPageGroup(std::addressof(gp)) {}
+ explicit KScopedPageGroup(const KPageGroup& gp, bool not_first = true)
+ : KScopedPageGroup(std::addressof(gp), not_first) {}
~KScopedPageGroup() {
if (m_pg) {
m_pg->Close();
diff --git a/src/core/hle/kernel/k_page_table.cpp b/src/core/hle/kernel/k_page_table.cpp
index 387f2c962..217ccbae3 100644
--- a/src/core/hle/kernel/k_page_table.cpp
+++ b/src/core/hle/kernel/k_page_table.cpp
@@ -1724,29 +1724,43 @@ Result KPageTable::MapPhysicalMemory(KProcessAddress address, size_t size) {
PageSize;
// While we have pages to map, map them.
- while (map_pages > 0) {
- // Check if we're at the end of the physical block.
- if (pg_pages == 0) {
- // Ensure there are more pages to map.
- ASSERT(pg_it != pg.end());
-
- // Advance our physical block.
- ++pg_it;
- pg_phys_addr = pg_it->GetAddress();
- pg_pages = pg_it->GetNumPages();
+ {
+ // Create a page group for the current mapping range.
+ KPageGroup cur_pg(m_kernel, m_block_info_manager);
+ {
+ ON_RESULT_FAILURE_2 {
+ cur_pg.OpenFirst();
+ cur_pg.Close();
+ };
+
+ size_t remain_pages = map_pages;
+ while (remain_pages > 0) {
+ // Check if we're at the end of the physical block.
+ if (pg_pages == 0) {
+ // Ensure there are more pages to map.
+ ASSERT(pg_it != pg.end());
+
+ // Advance our physical block.
+ ++pg_it;
+ pg_phys_addr = pg_it->GetAddress();
+ pg_pages = pg_it->GetNumPages();
+ }
+
+ // Add whatever we can to the current block.
+ const size_t cur_pages = std::min(pg_pages, remain_pages);
+ R_TRY(cur_pg.AddBlock(pg_phys_addr +
+ ((pg_pages - cur_pages) * PageSize),
+ cur_pages));
+
+ // Advance.
+ remain_pages -= cur_pages;
+ pg_pages -= cur_pages;
+ }
}
- // Map whatever we can.
- const size_t cur_pages = std::min(pg_pages, map_pages);
- R_TRY(Operate(cur_address, cur_pages, KMemoryPermission::UserReadWrite,
- OperationType::MapFirst, pg_phys_addr));
-
- // Advance.
- cur_address += cur_pages * PageSize;
- map_pages -= cur_pages;
-
- pg_phys_addr += cur_pages * PageSize;
- pg_pages -= cur_pages;
+ // Map the pages.
+ R_TRY(this->Operate(cur_address, map_pages, cur_pg,
+ OperationType::MapFirstGroup));
}
}
@@ -3037,9 +3051,10 @@ Result KPageTable::Operate(KProcessAddress addr, size_t num_pages, const KPageGr
ASSERT(num_pages == page_group.GetNumPages());
switch (operation) {
- case OperationType::MapGroup: {
+ case OperationType::MapGroup:
+ case OperationType::MapFirstGroup: {
// We want to maintain a new reference to every page in the group.
- KScopedPageGroup spg(page_group);
+ KScopedPageGroup spg(page_group, operation != OperationType::MapFirstGroup);
for (const auto& node : page_group) {
const size_t size{node.GetNumPages() * PageSize};
@@ -3081,7 +3096,6 @@ Result KPageTable::Operate(KProcessAddress addr, size_t num_pages, KMemoryPermis
m_memory->UnmapRegion(*m_page_table_impl, addr, num_pages * PageSize);
break;
}
- case OperationType::MapFirst:
case OperationType::Map: {
ASSERT(map_addr);
ASSERT(Common::IsAligned(GetInteger(map_addr), PageSize));
@@ -3089,11 +3103,7 @@ Result KPageTable::Operate(KProcessAddress addr, size_t num_pages, KMemoryPermis
// Open references to pages, if we should.
if (IsHeapPhysicalAddress(m_kernel.MemoryLayout(), map_addr)) {
- if (operation == OperationType::MapFirst) {
- m_kernel.MemoryManager().OpenFirst(map_addr, num_pages);
- } else {
- m_kernel.MemoryManager().Open(map_addr, num_pages);
- }
+ m_kernel.MemoryManager().Open(map_addr, num_pages);
}
break;
}
diff --git a/src/core/hle/kernel/k_page_table.h b/src/core/hle/kernel/k_page_table.h
index cbcbb6f62..3d64b6fb0 100644
--- a/src/core/hle/kernel/k_page_table.h
+++ b/src/core/hle/kernel/k_page_table.h
@@ -217,8 +217,8 @@ protected:
private:
enum class OperationType : u32 {
Map = 0,
- MapFirst = 1,
- MapGroup = 2,
+ MapGroup = 1,
+ MapFirstGroup = 2,
Unmap = 3,
ChangePermissions = 4,
ChangePermissionsAndRefresh = 5,