kern: implement page group unmapping

2020-02-18 01:04:44 -08:00
parent 25b0baae59
commit 154422562a
11 changed files with 654 additions and 12 deletions
--- a/libraries/libmesosphere/include/mesosphere/arch/arm64/kern_cpu.hpp
+++ b/libraries/libmesosphere/include/mesosphere/arch/arm64/kern_cpu.hpp
@@ -192,6 +192,12 @@ namespace ams::kern::arch::arm64::cpu {
        DataSynchronizationBarrier();
    }

+    ALWAYS_INLINE void InvalidateTlbByVaDataOnly(KProcessAddress virt_addr) {
+        const u64 value = ((GetInteger(virt_addr) >> 12) & 0xFFFFFFFFFFFul);
+        __asm__ __volatile__("tlbi vaae1is, %[value]" :: [value]"r"(value) : "memory");
+        DataSynchronizationBarrier();
+    }
+
    ALWAYS_INLINE uintptr_t GetCoreLocalRegionAddress() {
        register uintptr_t x18 asm("x18");
        __asm__ __volatile__("" : [x18]"=r"(x18));