Kernel: Implement svcGetProcessInfo in a basic way

This also adds some basic memory usage accounting. These two types are
used by Super Smash Bros. during startup.
This commit is contained in:
Yuri Kunde Schlesner 2015-08-05 21:39:53 -03:00
parent 74d4bc0af1
commit 14eca982f4
6 changed files with 73 additions and 3 deletions

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@ -172,6 +172,14 @@ template<ResultCode func(u32, s64, s64)> void Wrap() {
FuncReturn(func(PARAM(0), param1, param2).raw);
}
template<ResultCode func(s64*, Handle, u32)> void Wrap() {
s64 param_1 = 0;
u32 retval = func(&param_1, PARAM(1), PARAM(2)).raw;
Core::g_app_core->SetReg(1, (u32)param_1);
Core::g_app_core->SetReg(2, (u32)(param_1 >> 32));
FuncReturn(retval);
}
////////////////////////////////////////////////////////////////////////////////////////////////////
// Function wrappers that return type u32

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@ -110,6 +110,7 @@ void Process::Run(s32 main_thread_priority, u32 stack_size) {
auto vma = vm_manager.MapMemoryBlock(segment.addr, codeset->memory,
segment.offset, segment.size, memory_state).Unwrap();
vm_manager.Reprotect(vma, permissions);
misc_memory_used += segment.size;
};
// Map CodeSet segments
@ -121,6 +122,7 @@ void Process::Run(s32 main_thread_priority, u32 stack_size) {
vm_manager.MapMemoryBlock(Memory::HEAP_VADDR_END - stack_size,
std::make_shared<std::vector<u8>>(stack_size, 0), 0, stack_size, MemoryState::Locked
).Unwrap();
misc_memory_used += stack_size;
vm_manager.LogLayout(Log::Level::Debug);
Kernel::SetupMainThread(codeset->entrypoint, main_thread_priority);
@ -162,6 +164,8 @@ ResultVal<VAddr> Process::HeapAllocate(VAddr target, u32 size, VMAPermission per
CASCADE_RESULT(auto vma, vm_manager.MapMemoryBlock(target, heap_memory, target - heap_start, size, MemoryState::Private));
vm_manager.Reprotect(vma, perms);
heap_used += size;
return MakeResult<VAddr>(heap_end - size);
}
@ -173,6 +177,8 @@ ResultCode Process::HeapFree(VAddr target, u32 size) {
ResultCode result = vm_manager.UnmapRange(target, size);
if (result.IsError()) return result;
heap_used -= size;
return RESULT_SUCCESS;
}
@ -206,6 +212,8 @@ ResultVal<VAddr> Process::LinearAllocate(VAddr target, u32 size, VMAPermission p
CASCADE_RESULT(auto vma, vm_manager.MapMemoryBlock(target, linheap_memory, offset, size, MemoryState::Continuous));
vm_manager.Reprotect(vma, perms);
linear_heap_used += size;
return MakeResult<VAddr>(target);
}
@ -226,6 +234,8 @@ ResultCode Process::LinearFree(VAddr target, u32 size) {
ResultCode result = vm_manager.UnmapRange(target, size);
if (result.IsError()) return result;
linear_heap_used -= size;
if (target + size == heap_end) {
// End of linear heap has been freed, so check what's the last allocated block in it and
// reduce the size.

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@ -136,6 +136,8 @@ public:
// The left/right bounds of the address space covered by heap_memory.
VAddr heap_start = 0, heap_end = 0;
u32 heap_used = 0, linear_heap_used = 0, misc_memory_used = 0;
MemoryRegionInfo* memory_region = nullptr;
/// Bitmask of the used TLS slots

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@ -117,6 +117,7 @@ void Thread::Stop() {
wait_objects.clear();
Kernel::g_current_process->used_tls_slots[tls_index] = false;
g_current_process->misc_memory_used -= Memory::TLS_ENTRY_SIZE;
HLE::Reschedule(__func__);
}
@ -414,6 +415,7 @@ ResultVal<SharedPtr<Thread>> Thread::Create(std::string name, VAddr entry_point,
}
ASSERT_MSG(thread->tls_index != -1, "Out of TLS space");
g_current_process->misc_memory_used += Memory::TLS_ENTRY_SIZE;
// TODO(peachum): move to ScheduleThread() when scheduler is added so selected core is used
// to initialize the context
@ -504,7 +506,7 @@ void Thread::SetWaitSynchronizationOutput(s32 output) {
}
VAddr Thread::GetTLSAddress() const {
return Memory::TLS_AREA_VADDR + tls_index * 0x200;
return Memory::TLS_AREA_VADDR + tls_index * Memory::TLS_ENTRY_SIZE;
}
////////////////////////////////////////////////////////////////////////////////////////////////////

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@ -774,6 +774,52 @@ static ResultCode CreateMemoryBlock(Handle* out_handle, u32 addr, u32 size, u32
return RESULT_SUCCESS;
}
static ResultCode GetProcessInfo(s64* out, Handle process_handle, u32 type) {
LOG_TRACE(Kernel_SVC, "called process=0x%08X type=%u", process_handle, type);
using Kernel::Process;
Kernel::SharedPtr<Process> process = Kernel::g_handle_table.Get<Process>(process_handle);
if (process == nullptr)
return ERR_INVALID_HANDLE;
switch (type) {
case 0:
case 2:
// TODO(yuriks): Type 0 returns a slightly higher number than type 2, but I'm not sure
// what's the difference between them.
*out = process->heap_used + process->linear_heap_used + process->misc_memory_used;
break;
case 1:
case 3:
case 4:
case 5:
case 6:
case 7:
case 8:
// These are valid, but not implemented yet
LOG_ERROR(Kernel_SVC, "unimplemented GetProcessInfo type=%u", type);
break;
case 20:
*out = Memory::FCRAM_PADDR - process->GetLinearHeapBase();
break;
default:
LOG_ERROR(Kernel_SVC, "unknown GetProcessInfo type=%u", type);
if (type >= 21 && type <= 23) {
return ResultCode( // 0xE0E01BF4
ErrorDescription::NotImplemented, ErrorModule::OS,
ErrorSummary::InvalidArgument, ErrorLevel::Usage);
} else {
return ResultCode( // 0xD8E007ED
ErrorDescription::InvalidEnumValue, ErrorModule::Kernel,
ErrorSummary::InvalidArgument, ErrorLevel::Permanent);
}
break;
}
return RESULT_SUCCESS;
}
namespace {
struct FunctionDef {
using Func = void();
@ -828,7 +874,7 @@ static const FunctionDef SVC_Table[] = {
{0x28, HLE::Wrap<GetSystemTick>, "GetSystemTick"},
{0x29, nullptr, "GetHandleInfo"},
{0x2A, nullptr, "GetSystemInfo"},
{0x2B, nullptr, "GetProcessInfo"},
{0x2B, HLE::Wrap<GetProcessInfo>, "GetProcessInfo"},
{0x2C, nullptr, "GetThreadInfo"},
{0x2D, HLE::Wrap<ConnectToPort>, "ConnectToPort"},
{0x2E, nullptr, "SendSyncRequest1"},

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@ -105,9 +105,11 @@ enum : VAddr {
// hardcoded value.
/// Area where TLS (Thread-Local Storage) buffers are allocated.
TLS_AREA_VADDR = 0x1FF82000,
TLS_AREA_SIZE = 0x00030000, // Each TLS buffer is 0x200 bytes, allows for 300 threads
TLS_ENTRY_SIZE = 0x200,
TLS_AREA_SIZE = 300 * TLS_ENTRY_SIZE, // Allows for up to 300 threads
TLS_AREA_VADDR_END = TLS_AREA_VADDR + TLS_AREA_SIZE,
/// Equivalent to LINEAR_HEAP_VADDR, but expanded to cover the extra memory in the New 3DS.
NEW_LINEAR_HEAP_VADDR = 0x30000000,
NEW_LINEAR_HEAP_SIZE = 0x10000000,