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kern: improve resource region size definitions/calculations

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This commit is contained in:
Michael Scire 2020-08-17 16:45:41 -07:00 • committed by SciresM
parent 79201428b0
commit 1a262c1063
7 changed files with 52 additions and 47 deletions
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4
libraries/libmesosphere/include/mesosphere/arch/arm64/init/kern_k_init_page_table.hpp
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@ -74,6 +74,10 @@ namespace ams::kern::arch::arm64::init {
static ALWAYS_INLINE void ClearNewPageTable(KPhysicalAddress address) {
ClearPhysicalMemory(address, PageSize);
}
public:
static consteval size_t GetMaximumOverheadSize(size_t size) {
return (util::DivideUp(size, L1BlockSize) + util::DivideUp(size, L2BlockSize)) * PageSize;
}
private:
size_t NOINLINE GetBlockCount(KVirtualAddress virt_addr, size_t size, size_t block_size) {
const KVirtualAddress end_virt_addr = virt_addr + size;