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kern: simplify size calculations in KPageTableBase::Read/WriteDebugIoMemory
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1 changed files with 2 additions and 2 deletions
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@ -2994,7 +2994,7 @@ namespace ams::kern {
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MESOSPHERE_ABORT_UNLESS(src_page_table.GetPhysicalAddressLocked(std::addressof(phys_addr), address));
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/* Determine the current read size. */
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const size_t cur_size = std::min<size_t>(last_address - address + 1, util::AlignDown(GetInteger(address) + PageSize, PageSize) - GetInteger(address));
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const size_t cur_size = std::min<size_t>(last_address - address + 1, PageSize - (GetInteger(address) & (PageSize - 1)));
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/* Read. */
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R_TRY(dst_page_table.ReadIoMemoryImpl(dst, phys_addr, cur_size, state));
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@ -3030,7 +3030,7 @@ namespace ams::kern {
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MESOSPHERE_ABORT_UNLESS(src_page_table.GetPhysicalAddressLocked(std::addressof(phys_addr), address));
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/* Determine the current read size. */
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const size_t cur_size = std::min<size_t>(last_address - address + 1, util::AlignDown(GetInteger(address) + PageSize, PageSize) - GetInteger(address));
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const size_t cur_size = std::min<size_t>(last_address - address + 1, PageSize - (GetInteger(address) & (PageSize - 1)));
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/* Read. */
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R_TRY(dst_page_table.WriteIoMemoryImpl(phys_addr, src, cur_size, state));
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