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kern: implement 64-virtual-core interface

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Michael Scire 2020-12-01 15:54:31 -08:00 • committed by SciresM
parent 3fd59b61bc
commit 28f9b534b6
8 changed files with 224 additions and 96 deletions
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33
libraries/libmesosphere/include/mesosphere/board/nintendo/nx/kern_cpu_map.hpp Normal file
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@ -0,0 +1,33 @@
/*
* Copyright (c) 2018-2020 Atmosphère-NX
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
* version 2, as published by the Free Software Foundation.
*
* This program is distributed in the hope it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#pragma once
#include <mesosphere/kern_common.hpp>
namespace ams::kern::board::nintendo::nx::impl::cpu {
/* Virtual to Physical core map. */
constexpr inline const s32 VirtualToPhysicalCoreMap[BITSIZEOF(u64)] = {
0, 1, 2, 3, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 3,
};
}

32
libraries/libmesosphere/include/mesosphere/kern_k_thread.hpp
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@ -152,7 +152,8 @@ namespace ams::kern {
ConditionVariableThreadTree *condvar_tree{};
uintptr_t condvar_key{};
KAffinityMask affinity_mask{};
u64 virtual_affinity_mask{};
KAffinityMask physical_affinity_mask{};
u64 thread_id{};
std::atomic<s64> cpu_time{};
KSynchronizationObject *synced_object{};
@ -181,12 +182,13 @@ namespace ams::kern {
Result wait_result;
Result debug_exception_result;
s32 base_priority{};
s32 ideal_core_id{};
s32 physical_ideal_core_id{};
s32 virtual_ideal_core_id{};
s32 num_kernel_waiters{};
s32 current_core_id{};
s32 core_id{};
KAffinityMask original_affinity_mask{};
s32 original_ideal_core_id{};
KAffinityMask original_physical_affinity_mask{};
s32 original_physical_ideal_core_id{};
s32 num_core_migration_disables{};
ThreadState thread_state{};
std::atomic<bool> termination_requested{};
@ -202,21 +204,21 @@ namespace ams::kern {
virtual ~KThread() { /* ... */ }
Result Initialize(KThreadFunction func, uintptr_t arg, void *kern_stack_top, KProcessAddress user_stack_top, s32 prio, s32 core, KProcess *owner, ThreadType type);
Result Initialize(KThreadFunction func, uintptr_t arg, void *kern_stack_top, KProcessAddress user_stack_top, s32 prio, s32 virt_core, KProcess *owner, ThreadType type);
private:
static Result InitializeThread(KThread *thread, KThreadFunction func, uintptr_t arg, KProcessAddress user_stack_top, s32 prio, s32 core, KProcess *owner, ThreadType type);
static Result InitializeThread(KThread *thread, KThreadFunction func, uintptr_t arg, KProcessAddress user_stack_top, s32 prio, s32 virt_core, KProcess *owner, ThreadType type);
public:
static Result InitializeKernelThread(KThread *thread, KThreadFunction func, uintptr_t arg, s32 prio, s32 core) {
return InitializeThread(thread, func, arg, Null<KProcessAddress>, prio, core, nullptr, ThreadType_Kernel);
static Result InitializeKernelThread(KThread *thread, KThreadFunction func, uintptr_t arg, s32 prio, s32 virt_core) {
return InitializeThread(thread, func, arg, Null<KProcessAddress>, prio, virt_core, nullptr, ThreadType_Kernel);
}
static Result InitializeHighPriorityThread(KThread *thread, KThreadFunction func, uintptr_t arg) {
return InitializeThread(thread, func, arg, Null<KProcessAddress>, 0, GetCurrentCoreId(), nullptr, ThreadType_HighPriority);
}
static Result InitializeUserThread(KThread *thread, KThreadFunction func, uintptr_t arg, KProcessAddress user_stack_top, s32 prio, s32 core, KProcess *owner) {
return InitializeThread(thread, func, arg, user_stack_top, prio, core, owner, ThreadType_User);
static Result InitializeUserThread(KThread *thread, KThreadFunction func, uintptr_t arg, KProcessAddress user_stack_top, s32 prio, s32 virt_core, KProcess *owner) {
return InitializeThread(thread, func, arg, user_stack_top, prio, virt_core, owner, ThreadType_User);
}
static void ResumeThreadsSuspendedForInit();
@ -323,10 +325,14 @@ namespace ams::kern {
constexpr KThreadContext &GetContext() { return this->thread_context; }
constexpr const KThreadContext &GetContext() const { return this->thread_context; }
constexpr const KAffinityMask &GetAffinityMask() const { return this->affinity_mask; }
constexpr const u64 GetVirtualAffinityMask() const { return this->virtual_affinity_mask; }
constexpr const KAffinityMask &GetAffinityMask() const { return this->physical_affinity_mask; }
Result GetCoreMask(int32_t *out_ideal_core, u64 *out_affinity_mask);
Result SetCoreMask(int32_t ideal_core, u64 affinity_mask);
Result GetPhysicalCoreMask(int32_t *out_ideal_core, u64 *out_affinity_mask);
constexpr ThreadState GetState() const { return static_cast<ThreadState>(this->thread_state & ThreadState_Mask); }
constexpr ThreadState GetRawState() const { return this->thread_state; }
NOINLINE void SetState(ThreadState state);
@ -374,7 +380,9 @@ namespace ams::kern {
return this->condvar_tree != nullptr;
}
constexpr s32 GetIdealCore() const { return this->ideal_core_id; }
constexpr s32 GetIdealVirtualCore() const { return this->virtual_ideal_core_id; }
constexpr s32 GetIdealPhysicalCore() const { return this->physical_ideal_core_id; }
constexpr s32 GetActiveCore() const { return this->core_id; }
constexpr void SetActiveCore(s32 core) { this->core_id = core; }

21
libraries/libmesosphere/include/mesosphere/kern_select_cpu.hpp
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@ -28,3 +28,24 @@
#else
#error "Unknown architecture for CPU"
#endif
#ifdef ATMOSPHERE_BOARD_NINTENDO_NX
#include <mesosphere/board/nintendo/nx/kern_cpu_map.hpp>
namespace ams::kern::cpu {
using namespace ams::kern::board::nintendo::nx::impl::cpu;
}
#else
#error "Unknown board for CPU Map"
#endif
namespace ams::kern {
static_assert(cpu::NumCores <= static_cast<s32>(BITSIZEOF(u64)));
static_assert(util::size(cpu::VirtualToPhysicalCoreMap) == BITSIZEOF(u64));
}