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Code Issues Releases Activity

kern: fix handling of is_aligned parameter in DevicePageTable

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This commit is contained in:
Michael Scire 2021-07-04 10:45:14 -07:00
parent 846cde52e0
commit 2088c5a34a
3 changed files with 4 additions and 4 deletions
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2
libraries/libmesosphere/include/mesosphere/board/nintendo/nx/kern_k_device_page_table.hpp
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@ -69,7 +69,7 @@ namespace ams::kern::board::nintendo::nx {
Result Attach(ams::svc::DeviceName device_name, u64 space_address, u64 space_size);
Result Detach(ams::svc::DeviceName device_name);
Result Map(size_t *out_mapped_size, KProcessPageTable *page_table, KProcessAddress process_address, size_t size, KDeviceVirtualAddress device_address, ams::svc::MemoryPermission device_perm, bool refresh_mappings);
Result Map(size_t *out_mapped_size, KProcessPageTable *page_table, KProcessAddress process_address, size_t size, KDeviceVirtualAddress device_address, ams::svc::MemoryPermission device_perm, bool is_aligned, bool refresh_mappings);
Result Unmap(KProcessPageTable *page_table, KProcessAddress process_address, size_t size, KDeviceVirtualAddress device_address);
void Unmap(KDeviceVirtualAddress device_address, size_t size) {

4
libraries/libmesosphere/source/board/nintendo/nx/kern_k_device_page_table.cpp
View file

@ -1437,13 +1437,13 @@ namespace ams::kern::board::nintendo::nx {
return true;
}
Result KDevicePageTable::Map(size_t *out_mapped_size, KProcessPageTable *page_table, KProcessAddress process_address, size_t size, KDeviceVirtualAddress device_address, ams::svc::MemoryPermission device_perm, bool refresh_mappings) {
Result KDevicePageTable::Map(size_t *out_mapped_size, KProcessPageTable *page_table, KProcessAddress process_address, size_t size, KDeviceVirtualAddress device_address, ams::svc::MemoryPermission device_perm, bool is_aligned, bool refresh_mappings) {
/* Clear the output size. */
*out_mapped_size = 0;
/* Map the pages. */
s32 num_pt = 0;
return this->MapImpl(out_mapped_size, num_pt, refresh_mappings ? 1 : std::numeric_limits<s32>::max(), page_table, process_address, size, device_address, device_perm, refresh_mappings);
return this->MapImpl(out_mapped_size, num_pt, refresh_mappings ? 1 : std::numeric_limits<s32>::max(), page_table, process_address, size, device_address, device_perm, is_aligned);
}
Result KDevicePageTable::Unmap(KProcessPageTable *page_table, KProcessAddress process_address, size_t size, KDeviceVirtualAddress device_address) {

2
libraries/libmesosphere/source/kern_k_device_address_space.cpp
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@ -86,7 +86,7 @@ namespace ams::kern {
auto mapped_size_guard = SCOPE_GUARD { *out_mapped_size = 0; };
/* Perform the mapping. */
R_TRY(m_table.Map(out_mapped_size, page_table, process_address, size, device_address, device_perm, refresh_mappings));
R_TRY(m_table.Map(out_mapped_size, page_table, process_address, size, device_address, device_perm, is_aligned, refresh_mappings));
/* Ensure that we unmap the pages if we fail to update the protections. */
/* NOTE: Nintendo does not check the result of this unmap call. */