Core/Memory: Give every emulated thread it's own TLS area.
The TLS area for thread T with id Ti is located at TLS_AREA_VADDR + (Ti - 1) * 0x200. This allows some games like Mario Kart 7 to continue further.
This commit is contained in:
parent
ba0bfe7d82
commit
000876858d
8 changed files with 31 additions and 11 deletions
|
@ -99,8 +99,9 @@ public:
|
||||||
* @param stack_top Pointer to the top of the stack
|
* @param stack_top Pointer to the top of the stack
|
||||||
* @param entry_point Entry point for execution
|
* @param entry_point Entry point for execution
|
||||||
* @param arg User argument for thread
|
* @param arg User argument for thread
|
||||||
|
* @param tls_address Address of the Thread Local Storage for the thread
|
||||||
*/
|
*/
|
||||||
virtual void ResetContext(Core::ThreadContext& context, u32 stack_top, u32 entry_point, u32 arg) = 0;
|
virtual void ResetContext(Core::ThreadContext& context, u32 stack_top, u32 entry_point, u32 arg, u32 tls_address) = 0;
|
||||||
|
|
||||||
/**
|
/**
|
||||||
* Saves the current CPU context
|
* Saves the current CPU context
|
||||||
|
|
|
@ -90,13 +90,14 @@ void ARM_DynCom::ExecuteInstructions(int num_instructions) {
|
||||||
AddTicks(ticks_executed);
|
AddTicks(ticks_executed);
|
||||||
}
|
}
|
||||||
|
|
||||||
void ARM_DynCom::ResetContext(Core::ThreadContext& context, u32 stack_top, u32 entry_point, u32 arg) {
|
void ARM_DynCom::ResetContext(Core::ThreadContext& context, u32 stack_top, u32 entry_point, u32 arg, u32 tls_address) {
|
||||||
memset(&context, 0, sizeof(Core::ThreadContext));
|
memset(&context, 0, sizeof(Core::ThreadContext));
|
||||||
|
|
||||||
context.cpu_registers[0] = arg;
|
context.cpu_registers[0] = arg;
|
||||||
context.pc = entry_point;
|
context.pc = entry_point;
|
||||||
context.sp = stack_top;
|
context.sp = stack_top;
|
||||||
context.cpsr = 0x1F; // Usermode
|
context.cpsr = 0x1F; // Usermode
|
||||||
|
context.tls = tls_address;
|
||||||
}
|
}
|
||||||
|
|
||||||
void ARM_DynCom::SaveContext(Core::ThreadContext& ctx) {
|
void ARM_DynCom::SaveContext(Core::ThreadContext& ctx) {
|
||||||
|
@ -123,6 +124,8 @@ void ARM_DynCom::LoadContext(const Core::ThreadContext& ctx) {
|
||||||
|
|
||||||
state->VFP[1] = ctx.fpscr;
|
state->VFP[1] = ctx.fpscr;
|
||||||
state->VFP[2] = ctx.fpexc;
|
state->VFP[2] = ctx.fpexc;
|
||||||
|
|
||||||
|
SetCP15Register(CP15_THREAD_URO, ctx.tls);
|
||||||
}
|
}
|
||||||
|
|
||||||
void ARM_DynCom::PrepareReschedule() {
|
void ARM_DynCom::PrepareReschedule() {
|
||||||
|
|
|
@ -27,7 +27,7 @@ public:
|
||||||
|
|
||||||
void AddTicks(u64 ticks) override;
|
void AddTicks(u64 ticks) override;
|
||||||
|
|
||||||
void ResetContext(Core::ThreadContext& context, u32 stack_top, u32 entry_point, u32 arg) override;
|
void ResetContext(Core::ThreadContext& context, u32 stack_top, u32 entry_point, u32 arg, u32 tls_address) override;
|
||||||
void SaveContext(Core::ThreadContext& ctx) override;
|
void SaveContext(Core::ThreadContext& ctx) override;
|
||||||
void LoadContext(const Core::ThreadContext& ctx) override;
|
void LoadContext(const Core::ThreadContext& ctx) override;
|
||||||
|
|
||||||
|
|
|
@ -61,10 +61,6 @@ int Init() {
|
||||||
g_sys_core = new ARM_DynCom(USER32MODE);
|
g_sys_core = new ARM_DynCom(USER32MODE);
|
||||||
g_app_core = new ARM_DynCom(USER32MODE);
|
g_app_core = new ARM_DynCom(USER32MODE);
|
||||||
|
|
||||||
// TODO: Whenever TLS is implemented, this should contain
|
|
||||||
// the address of the 0x200-byte TLS
|
|
||||||
g_app_core->SetCP15Register(CP15_THREAD_URO, Memory::TLS_AREA_VADDR);
|
|
||||||
|
|
||||||
LOG_DEBUG(Core, "Initialized OK");
|
LOG_DEBUG(Core, "Initialized OK");
|
||||||
return 0;
|
return 0;
|
||||||
}
|
}
|
||||||
|
|
|
@ -21,6 +21,8 @@ struct ThreadContext {
|
||||||
u32 fpu_registers[32];
|
u32 fpu_registers[32];
|
||||||
u32 fpscr;
|
u32 fpscr;
|
||||||
u32 fpexc;
|
u32 fpexc;
|
||||||
|
|
||||||
|
u32 tls;
|
||||||
};
|
};
|
||||||
|
|
||||||
extern ARM_Interface* g_app_core; ///< ARM11 application core
|
extern ARM_Interface* g_app_core; ///< ARM11 application core
|
||||||
|
|
|
@ -5,6 +5,7 @@
|
||||||
#pragma once
|
#pragma once
|
||||||
|
|
||||||
#include "core/hle/kernel/kernel.h"
|
#include "core/hle/kernel/kernel.h"
|
||||||
|
#include "core/hle/kernel/thread.h"
|
||||||
#include "core/mem_map.h"
|
#include "core/mem_map.h"
|
||||||
|
|
||||||
namespace Kernel {
|
namespace Kernel {
|
||||||
|
@ -12,12 +13,15 @@ namespace Kernel {
|
||||||
static const int kCommandHeaderOffset = 0x80; ///< Offset into command buffer of header
|
static const int kCommandHeaderOffset = 0x80; ///< Offset into command buffer of header
|
||||||
|
|
||||||
/**
|
/**
|
||||||
* Returns a pointer to the command buffer in kernel memory
|
* Returns a pointer to the command buffer in the current thread's TLS
|
||||||
|
* TODO(Subv): This is not entirely correct, the command buffer should be copied from
|
||||||
|
* the thread's TLS to an intermediate buffer in kernel memory, and then copied again to
|
||||||
|
* the service handler process' memory.
|
||||||
* @param offset Optional offset into command buffer
|
* @param offset Optional offset into command buffer
|
||||||
* @return Pointer to command buffer
|
* @return Pointer to command buffer
|
||||||
*/
|
*/
|
||||||
inline static u32* GetCommandBuffer(const int offset=0) {
|
inline static u32* GetCommandBuffer(const int offset = 0) {
|
||||||
return (u32*)Memory::GetPointer(Memory::TLS_AREA_VADDR + kCommandHeaderOffset + offset);
|
return (u32*)Memory::GetPointer(GetCurrentThread()->GetTLSAddress() + kCommandHeaderOffset + offset);
|
||||||
}
|
}
|
||||||
|
|
||||||
/**
|
/**
|
||||||
|
|
|
@ -402,9 +402,13 @@ ResultVal<SharedPtr<Thread>> Thread::Create(std::string name, VAddr entry_point,
|
||||||
thread->name = std::move(name);
|
thread->name = std::move(name);
|
||||||
thread->callback_handle = wakeup_callback_handle_table.Create(thread).MoveFrom();
|
thread->callback_handle = wakeup_callback_handle_table.Create(thread).MoveFrom();
|
||||||
|
|
||||||
|
VAddr tls_address = Memory::TLS_AREA_VADDR + (thread->thread_id - 1) * 0x200;
|
||||||
|
|
||||||
|
ASSERT_MSG(tls_address < Memory::TLS_AREA_VADDR_END, "Too many threads");
|
||||||
|
|
||||||
// TODO(peachum): move to ScheduleThread() when scheduler is added so selected core is used
|
// TODO(peachum): move to ScheduleThread() when scheduler is added so selected core is used
|
||||||
// to initialize the context
|
// to initialize the context
|
||||||
Core::g_app_core->ResetContext(thread->context, stack_top, entry_point, arg);
|
Core::g_app_core->ResetContext(thread->context, stack_top, entry_point, arg, tls_address);
|
||||||
|
|
||||||
ready_queue.push_back(thread->current_priority, thread.get());
|
ready_queue.push_back(thread->current_priority, thread.get());
|
||||||
thread->status = THREADSTATUS_READY;
|
thread->status = THREADSTATUS_READY;
|
||||||
|
@ -495,6 +499,10 @@ void Thread::SetWaitSynchronizationOutput(s32 output) {
|
||||||
context.cpu_registers[1] = output;
|
context.cpu_registers[1] = output;
|
||||||
}
|
}
|
||||||
|
|
||||||
|
VAddr Thread::GetTLSAddress() const {
|
||||||
|
return context.tls;
|
||||||
|
}
|
||||||
|
|
||||||
////////////////////////////////////////////////////////////////////////////////////////////////////
|
////////////////////////////////////////////////////////////////////////////////////////////////////
|
||||||
|
|
||||||
void ThreadingInit() {
|
void ThreadingInit() {
|
||||||
|
|
|
@ -135,6 +135,12 @@ public:
|
||||||
*/
|
*/
|
||||||
void Stop();
|
void Stop();
|
||||||
|
|
||||||
|
/*
|
||||||
|
* Returns the Thread Local Storage address of the current thread
|
||||||
|
* @returns VAddr of the thread's TLS
|
||||||
|
*/
|
||||||
|
VAddr GetTLSAddress() const;
|
||||||
|
|
||||||
Core::ThreadContext context;
|
Core::ThreadContext context;
|
||||||
|
|
||||||
u32 thread_id;
|
u32 thread_id;
|
||||||
|
|
Loading…
Reference in a new issue