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Code Issues Releases Activity

core: hle: kernel: k_page_table: Manually open/close pages for IPC methods.

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bunnei 2022-10-29 16:40:29 -07:00
parent 661fe06d9d
commit 119315af08
1 changed files with 18 additions and 0 deletions
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18
src/core/hle/kernel/k_page_table.cpp
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@ -947,6 +947,9 @@ Result KPageTable::SetupForIpcServer(VAddr* out_addr, size_t size, VAddr src_add
ON_RESULT_FAILURE { ON_RESULT_FAILURE {
if (cur_mapped_addr != dst_addr) { if (cur_mapped_addr != dst_addr) {
// HACK: Manually close the pages.
HACK_ClosePages(dst_addr, (cur_mapped_addr - dst_addr) / PageSize);
ASSERT(Operate(dst_addr, (cur_mapped_addr - dst_addr) / PageSize, ASSERT(Operate(dst_addr, (cur_mapped_addr - dst_addr) / PageSize,
KMemoryPermission::None, OperationType::Unmap) KMemoryPermission::None, OperationType::Unmap)
.IsSuccess()); .IsSuccess());
@ -1022,6 +1025,9 @@ Result KPageTable::SetupForIpcServer(VAddr* out_addr, size_t size, VAddr src_add
// Map the page. // Map the page.
R_TRY(Operate(cur_mapped_addr, 1, test_perm, OperationType::Map, start_partial_page)); R_TRY(Operate(cur_mapped_addr, 1, test_perm, OperationType::Map, start_partial_page));
// HACK: Manually open the pages.
HACK_OpenPages(start_partial_page, 1);
// Update tracking extents. // Update tracking extents.
cur_mapped_addr += PageSize; cur_mapped_addr += PageSize;
cur_block_addr += PageSize; cur_block_addr += PageSize;
@ -1050,6 +1056,9 @@ Result KPageTable::SetupForIpcServer(VAddr* out_addr, size_t size, VAddr src_add
R_TRY(Operate(cur_mapped_addr, cur_block_size / PageSize, test_perm, OperationType::Map, R_TRY(Operate(cur_mapped_addr, cur_block_size / PageSize, test_perm, OperationType::Map,
cur_block_addr)); cur_block_addr));
// HACK: Manually open the pages.
HACK_OpenPages(cur_block_addr, cur_block_size / PageSize);
// Update tracking extents. // Update tracking extents.
cur_mapped_addr += cur_block_size; cur_mapped_addr += cur_block_size;
cur_block_addr = next_entry.phys_addr; cur_block_addr = next_entry.phys_addr;
@ -1069,6 +1078,9 @@ Result KPageTable::SetupForIpcServer(VAddr* out_addr, size_t size, VAddr src_add
R_TRY(Operate(cur_mapped_addr, last_block_size / PageSize, test_perm, OperationType::Map, R_TRY(Operate(cur_mapped_addr, last_block_size / PageSize, test_perm, OperationType::Map,
cur_block_addr)); cur_block_addr));
// HACK: Manually open the pages.
HACK_OpenPages(cur_block_addr, last_block_size / PageSize);
// Update tracking extents. // Update tracking extents.
cur_mapped_addr += last_block_size; cur_mapped_addr += last_block_size;
cur_block_addr += last_block_size; cur_block_addr += last_block_size;
@ -1100,6 +1112,9 @@ Result KPageTable::SetupForIpcServer(VAddr* out_addr, size_t size, VAddr src_add
// Map the page. // Map the page.
R_TRY(Operate(cur_mapped_addr, 1, test_perm, OperationType::Map, end_partial_page)); R_TRY(Operate(cur_mapped_addr, 1, test_perm, OperationType::Map, end_partial_page));
// HACK: Manually open the pages.
HACK_OpenPages(end_partial_page, 1);
} }
// Update memory blocks to reflect our changes // Update memory blocks to reflect our changes
@ -1202,6 +1217,9 @@ Result KPageTable::CleanupForIpcServer(VAddr address, size_t size, KMemoryState
const size_t aligned_size = aligned_end - aligned_start; const size_t aligned_size = aligned_end - aligned_start;
const size_t aligned_num_pages = aligned_size / PageSize; const size_t aligned_num_pages = aligned_size / PageSize;
// HACK: Manually close the pages.
HACK_ClosePages(aligned_start, aligned_num_pages);
// Unmap the pages. // Unmap the pages.
R_TRY(Operate(aligned_start, aligned_num_pages, KMemoryPermission::None, OperationType::Unmap)); R_TRY(Operate(aligned_start, aligned_num_pages, KMemoryPermission::None, OperationType::Unmap));