mirror of
https://github.com/Atmosphere-NX/Atmosphere-libs.git
synced 2025-06-21 19:12:42 +02:00
86 lines
2.8 KiB
C++
86 lines
2.8 KiB
C++
/*
|
|
* 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>
|
|
#include <mesosphere/kern_k_typed_address.hpp>
|
|
|
|
namespace ams::kern {
|
|
|
|
class KThread;
|
|
|
|
}
|
|
|
|
namespace ams::kern::arch::arm64 {
|
|
|
|
class KThreadContext {
|
|
public:
|
|
static constexpr size_t NumCalleeSavedRegisters = (29 - 19) + 1;
|
|
static constexpr size_t NumFpuRegisters = 32;
|
|
private:
|
|
union {
|
|
u64 registers[NumCalleeSavedRegisters];
|
|
struct {
|
|
u64 x19;
|
|
u64 x20;
|
|
u64 x21;
|
|
u64 x22;
|
|
u64 x23;
|
|
u64 x24;
|
|
u64 x25;
|
|
u64 x26;
|
|
u64 x27;
|
|
u64 x28;
|
|
u64 x29;
|
|
};
|
|
} m_callee_saved;
|
|
u64 m_lr;
|
|
u64 m_sp;
|
|
u64 m_cpacr;
|
|
u64 m_fpcr;
|
|
u64 m_fpsr;
|
|
alignas(0x10) u128 m_fpu_registers[NumFpuRegisters];
|
|
bool m_locked;
|
|
private:
|
|
static void RestoreFpuRegisters64(const KThreadContext &);
|
|
static void RestoreFpuRegisters32(const KThreadContext &);
|
|
public:
|
|
constexpr explicit KThreadContext() : m_callee_saved(), m_lr(), m_sp(), m_cpacr(), m_fpcr(), m_fpsr(), m_fpu_registers(), m_locked() { /* ... */ }
|
|
|
|
Result Initialize(KVirtualAddress u_pc, KVirtualAddress k_sp, KVirtualAddress u_sp, uintptr_t arg, bool is_user, bool is_64_bit, bool is_main);
|
|
Result Finalize();
|
|
|
|
void SetArguments(uintptr_t arg0, uintptr_t arg1);
|
|
|
|
static void FpuContextSwitchHandler(KThread *thread);
|
|
|
|
u32 GetFpcr() const { return m_fpcr; }
|
|
u32 GetFpsr() const { return m_fpsr; }
|
|
|
|
void SetFpcr(u32 v) { m_fpcr = v; }
|
|
void SetFpsr(u32 v) { m_fpsr = v; }
|
|
|
|
void CloneFpuStatus();
|
|
|
|
void SetFpuRegisters(const u128 *v, bool is_64_bit);
|
|
|
|
const u128 *GetFpuRegisters() const { return m_fpu_registers; }
|
|
public:
|
|
static void OnThreadTerminating(const KThread *thread);
|
|
};
|
|
|
|
void GetUserContext(ams::svc::ThreadContext *out, const KThread *thread);
|
|
|
|
} |