mirrors/Atmosphere
1
0
Fork 0
mirror of https://github.com/Atmosphere-NX/Atmosphere.git synced 2025-06-04 08:29:44 -04:00
Code Issues Projects Releases Packages Wiki Activity

kern: implement init through InterruptTaskManager.Initialize()

Browse source
This commit is contained in:
Michael Scire 2020-02-10 02:26:00 -08:00
parent 3c78bc4dbf
commit 3bcc4adb5c
8 changed files with 87 additions and 6 deletions
Download patch file Download diff file Expand all files Collapse all files

6
libraries/libmesosphere/include/mesosphere/arch/arm64/kern_cpu.hpp
View file

@ -59,6 +59,12 @@ namespace ams::kern::arm64::cpu {
EnsureInstructionConsistency();
}
ALWAYS_INLINE void SwitchProcess(u64 ttbr, u32 proc_id) {
SetTtbr0El1(ttbr);
ContextIdRegisterAccessor(0).SetProcId(proc_id).Store();
InstructionMemoryBarrier();
}
/* Helper for address access. */
ALWAYS_INLINE bool GetPhysicalAddressWritable(KPhysicalAddress *out, KVirtualAddress addr, bool privileged = false) {
const uintptr_t va = GetInteger(addr);

5
libraries/libmesosphere/include/mesosphere/arch/arm64/kern_k_page_table.hpp
View file

@ -34,6 +34,11 @@ namespace ams::kern::arm64 {
static NOINLINE void Initialize(s32 core_id);
ALWAYS_INLINE void Activate(u32 proc_id) {
cpu::DataSynchronizationBarrier();
cpu::SwitchProcess(this->ttbr, proc_id);
}
NOINLINE Result InitializeForKernel(void *table, KVirtualAddress start, KVirtualAddress end);
Result Finalize();
};

1
libraries/libmesosphere/include/mesosphere/arch/arm64/kern_k_supervisor_page_table.hpp
View file

@ -28,6 +28,7 @@ namespace ams::kern::arm64 {
constexpr KSupervisorPageTable() : page_table(), ttbr0() { /* ... */ }
NOINLINE void Initialize(s32 core_id);
NOINLINE void Activate();
void Finalize(s32 core_id);
};