mirrors/Atmosphere
1
0
Fork 0
mirror of https://github.com/Atmosphere-NX/Atmosphere.git synced 2024-11-10 06:01:52 +00:00
Code Issues Releases Activity

kern: simplify size calculations in KPageTableBase::Read/WriteDebugIoMemory

Browse source
This commit is contained in:
Michael Scire 2024-03-28 02:22:19 -07:00
parent 4aac5f0082
commit cfb12deb51
1 changed files with 2 additions and 2 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

4
libraries/libmesosphere/source/kern_k_page_table_base.cpp
View file

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