kern: begin skeletoning page table types

2020-02-09 03:45:45 -08:00
parent 3284656aad
commit 50b8189e7f
17 changed files with 599 additions and 2 deletions
--- a/libraries/libmesosphere/include/mesosphere/arch/arm64/kern_cpu.hpp
+++ b/libraries/libmesosphere/include/mesosphere/arch/arm64/kern_cpu.hpp
@@ -108,9 +108,16 @@ namespace ams::kern::arm64::cpu {
    NOINLINE void SynchronizeAllCores();

    /* Cache management helpers. */
+    void ClearPageToZeroImpl(void *);
    void FlushEntireDataCacheShared();
    void FlushEntireDataCacheLocal();

+    ALWAYS_INLINE void ClearPageToZero(void *page) {
+        MESOSPHERE_ASSERT(util::IsAligned(reinterpret_cast<uintptr_t>(page), PageSize));
+        MESOSPHERE_ASSERT(page != nullptr);
+        ClearPageToZeroImpl(page);
+    }
+
    ALWAYS_INLINE void InvalidateEntireTlb() {
        __asm__ __volatile__("tlbi vmalle1is" ::: "memory");
        EnsureInstructionConsistency();