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kernel: pass ref to shared memory

This commit is contained in:
Weiyi Wang 2018-10-13 17:08:37 -04:00
parent 2a411bb501
commit 87426b29ff
14 changed files with 95 additions and 88 deletions

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@ -3,6 +3,7 @@
// Refer to the license.txt file included.
#include "common/string_util.h"
#include "core/core.h"
#include "core/hle/applets/erreula.h"
#include "core/hle/service/apt/apt.h"
@ -30,7 +31,7 @@ ResultCode ErrEula::ReceiveParameter(const Service::APT::MessageParameter& param
// Allocate a heap block of the required size for this applet.
heap_memory = std::make_shared<std::vector<u8>>(capture_info.size);
// Create a SharedMemory that directly points to this heap block.
framebuffer_memory = Kernel::SharedMemory::CreateForApplet(
framebuffer_memory = Core::System::GetInstance().Kernel().CreateSharedMemoryForApplet(
heap_memory, 0, capture_info.size, MemoryPermission::ReadWrite, MemoryPermission::ReadWrite,
"ErrEula Memory");

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@ -7,6 +7,7 @@
#include "common/assert.h"
#include "common/logging/log.h"
#include "common/string_util.h"
#include "core/core.h"
#include "core/hle/applets/mii_selector.h"
#include "core/hle/kernel/kernel.h"
#include "core/hle/kernel/shared_memory.h"
@ -37,7 +38,7 @@ ResultCode MiiSelector::ReceiveParameter(const Service::APT::MessageParameter& p
// Allocate a heap block of the required size for this applet.
heap_memory = std::make_shared<std::vector<u8>>(capture_info.size);
// Create a SharedMemory that directly points to this heap block.
framebuffer_memory = Kernel::SharedMemory::CreateForApplet(
framebuffer_memory = Core::System::GetInstance().Kernel().CreateSharedMemoryForApplet(
heap_memory, 0, capture_info.size, MemoryPermission::ReadWrite, MemoryPermission::ReadWrite,
"MiiSelector Memory");

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@ -3,6 +3,7 @@
// Refer to the license.txt file included.
#include "common/string_util.h"
#include "core/core.h"
#include "core/hle/applets/mint.h"
#include "core/hle/service/apt/apt.h"
@ -30,7 +31,7 @@ ResultCode Mint::ReceiveParameter(const Service::APT::MessageParameter& paramete
// Allocate a heap block of the required size for this applet.
heap_memory = std::make_shared<std::vector<u8>>(capture_info.size);
// Create a SharedMemory that directly points to this heap block.
framebuffer_memory = Kernel::SharedMemory::CreateForApplet(
framebuffer_memory = Core::System::GetInstance().Kernel().CreateSharedMemoryForApplet(
heap_memory, 0, capture_info.size, MemoryPermission::ReadWrite, MemoryPermission::ReadWrite,
"Mint Memory");

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@ -8,6 +8,7 @@
#include "common/assert.h"
#include "common/logging/log.h"
#include "common/string_util.h"
#include "core/core.h"
#include "core/hle/applets/swkbd.h"
#include "core/hle/kernel/kernel.h"
#include "core/hle/kernel/shared_memory.h"
@ -41,7 +42,7 @@ ResultCode SoftwareKeyboard::ReceiveParameter(Service::APT::MessageParameter con
// Allocate a heap block of the required size for this applet.
heap_memory = std::make_shared<std::vector<u8>>(capture_info.size);
// Create a SharedMemory that directly points to this heap block.
framebuffer_memory = Kernel::SharedMemory::CreateForApplet(
framebuffer_memory = Core::System::GetInstance().Kernel().CreateSharedMemoryForApplet(
heap_memory, 0, capture_info.size, MemoryPermission::ReadWrite, MemoryPermission::ReadWrite,
"SoftwareKeyboard Memory");

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@ -25,6 +25,7 @@ class ServerPort;
class ClientSession;
class ServerSession;
class ResourceLimitList;
class SharedMemory;
enum class ResetType {
OneShot,
@ -32,6 +33,25 @@ enum class ResetType {
Pulse,
};
/// Permissions for mapped shared memory blocks
enum class MemoryPermission : u32 {
None = 0,
Read = (1u << 0),
Write = (1u << 1),
ReadWrite = (Read | Write),
Execute = (1u << 2),
ReadExecute = (Read | Execute),
WriteExecute = (Write | Execute),
ReadWriteExecute = (Read | Write | Execute),
DontCare = (1u << 28)
};
enum class MemoryRegion : u16 {
APPLICATION = 1,
SYSTEM = 2,
BASE = 3,
};
template <typename T>
using SharedPtr = boost::intrusive_ptr<T>;
@ -122,6 +142,41 @@ public:
ResourceLimitList& ResourceLimit();
const ResourceLimitList& ResourceLimit() const;
/**
* Creates a shared memory object.
* @param owner_process Process that created this shared memory object.
* @param size Size of the memory block. Must be page-aligned.
* @param permissions Permission restrictions applied to the process which created the block.
* @param other_permissions Permission restrictions applied to other processes mapping the
* block.
* @param address The address from which to map the Shared Memory.
* @param region If the address is 0, the shared memory will be allocated in this region of the
* linear heap.
* @param name Optional object name, used for debugging purposes.
*/
SharedPtr<SharedMemory> CreateSharedMemory(SharedPtr<Process> owner_process, u32 size,
MemoryPermission permissions,
MemoryPermission other_permissions,
VAddr address = 0,
MemoryRegion region = MemoryRegion::BASE,
std::string name = "Unknown");
/**
* Creates a shared memory object from a block of memory managed by an HLE applet.
* @param heap_block Heap block of the HLE applet.
* @param offset The offset into the heap block that the SharedMemory will map.
* @param size Size of the memory block. Must be page-aligned.
* @param permissions Permission restrictions applied to the process which created the block.
* @param other_permissions Permission restrictions applied to other processes mapping the
* block.
* @param name Optional object name, used for debugging purposes.
*/
SharedPtr<SharedMemory> CreateSharedMemoryForApplet(std::shared_ptr<std::vector<u8>> heap_block,
u32 offset, u32 size,
MemoryPermission permissions,
MemoryPermission other_permissions,
std::string name = "Unknown Applet");
private:
std::unique_ptr<ResourceLimitList> resource_limits;
};

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@ -26,12 +26,6 @@ struct AddressMapping {
bool unk_flag;
};
enum class MemoryRegion : u16 {
APPLICATION = 1,
SYSTEM = 2,
BASE = 3,
};
union ProcessFlags {
u16 raw;

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@ -11,14 +11,15 @@
namespace Kernel {
SharedMemory::SharedMemory() {}
SharedMemory::SharedMemory(KernelSystem& system) {}
SharedMemory::~SharedMemory() {}
SharedPtr<SharedMemory> SharedMemory::Create(SharedPtr<Process> owner_process, u32 size,
MemoryPermission permissions,
MemoryPermission other_permissions, VAddr address,
MemoryRegion region, std::string name) {
SharedPtr<SharedMemory> shared_memory(new SharedMemory);
SharedPtr<SharedMemory> KernelSystem::CreateSharedMemory(SharedPtr<Process> owner_process, u32 size,
MemoryPermission permissions,
MemoryPermission other_permissions,
VAddr address, MemoryRegion region,
std::string name) {
SharedPtr<SharedMemory> shared_memory(new SharedMemory(*this));
shared_memory->owner_process = owner_process;
shared_memory->name = std::move(name);
@ -74,12 +75,10 @@ SharedPtr<SharedMemory> SharedMemory::Create(SharedPtr<Process> owner_process, u
return shared_memory;
}
SharedPtr<SharedMemory> SharedMemory::CreateForApplet(std::shared_ptr<std::vector<u8>> heap_block,
u32 offset, u32 size,
MemoryPermission permissions,
MemoryPermission other_permissions,
std::string name) {
SharedPtr<SharedMemory> shared_memory(new SharedMemory);
SharedPtr<SharedMemory> KernelSystem::CreateSharedMemoryForApplet(
std::shared_ptr<std::vector<u8>> heap_block, u32 offset, u32 size, MemoryPermission permissions,
MemoryPermission other_permissions, std::string name) {
SharedPtr<SharedMemory> shared_memory(new SharedMemory(*this));
shared_memory->owner_process = nullptr;
shared_memory->name = std::move(name);

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@ -12,55 +12,8 @@
namespace Kernel {
/// Permissions for mapped shared memory blocks
enum class MemoryPermission : u32 {
None = 0,
Read = (1u << 0),
Write = (1u << 1),
ReadWrite = (Read | Write),
Execute = (1u << 2),
ReadExecute = (Read | Execute),
WriteExecute = (Write | Execute),
ReadWriteExecute = (Read | Write | Execute),
DontCare = (1u << 28)
};
class SharedMemory final : public Object {
public:
/**
* Creates a shared memory object.
* @param owner_process Process that created this shared memory object.
* @param size Size of the memory block. Must be page-aligned.
* @param permissions Permission restrictions applied to the process which created the block.
* @param other_permissions Permission restrictions applied to other processes mapping the
* block.
* @param address The address from which to map the Shared Memory.
* @param region If the address is 0, the shared memory will be allocated in this region of the
* linear heap.
* @param name Optional object name, used for debugging purposes.
*/
static SharedPtr<SharedMemory> Create(SharedPtr<Process> owner_process, u32 size,
MemoryPermission permissions,
MemoryPermission other_permissions, VAddr address = 0,
MemoryRegion region = MemoryRegion::BASE,
std::string name = "Unknown");
/**
* Creates a shared memory object from a block of memory managed by an HLE applet.
* @param heap_block Heap block of the HLE applet.
* @param offset The offset into the heap block that the SharedMemory will map.
* @param size Size of the memory block. Must be page-aligned.
* @param permissions Permission restrictions applied to the process which created the block.
* @param other_permissions Permission restrictions applied to other processes mapping the
* block.
* @param name Optional object name, used for debugging purposes.
*/
static SharedPtr<SharedMemory> CreateForApplet(std::shared_ptr<std::vector<u8>> heap_block,
u32 offset, u32 size,
MemoryPermission permissions,
MemoryPermission other_permissions,
std::string name = "Unknown Applet");
std::string GetTypeName() const override {
return "SharedMemory";
}
@ -125,8 +78,10 @@ public:
std::string name;
private:
SharedMemory();
explicit SharedMemory(KernelSystem& kernel);
~SharedMemory() override;
friend class KernelSystem;
};
} // namespace Kernel

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@ -1105,9 +1105,9 @@ static ResultCode CreateMemoryBlock(Handle* out_handle, u32 addr, u32 size, u32
if (addr == 0 && g_current_process->flags.shared_device_mem)
region = g_current_process->flags.memory_region;
shared_memory =
SharedMemory::Create(g_current_process, size, static_cast<MemoryPermission>(my_permission),
static_cast<MemoryPermission>(other_permission), addr, region);
shared_memory = Core::System::GetInstance().Kernel().CreateSharedMemory(
g_current_process, size, static_cast<MemoryPermission>(my_permission),
static_cast<MemoryPermission>(other_permission), addr, region);
CASCADE_RESULT(*out_handle, g_handle_table.Create(std::move(shared_memory)));
LOG_WARNING(Kernel_SVC, "called addr=0x{:08X}", addr);

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@ -855,9 +855,9 @@ Module::Module(Core::System& system) : system(system) {
using Kernel::MemoryPermission;
shared_font_mem =
Kernel::SharedMemory::Create(nullptr, 0x332000, // 3272 KB
MemoryPermission::ReadWrite, MemoryPermission::Read, 0,
Kernel::MemoryRegion::SYSTEM, "APT:SharedFont");
system.Kernel().CreateSharedMemory(nullptr, 0x332000, // 3272 KB
MemoryPermission::ReadWrite, MemoryPermission::Read, 0,
Kernel::MemoryRegion::SYSTEM, "APT:SharedFont");
lock = system.Kernel().CreateMutex(false, "APT_U:Lock");
}

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@ -20,9 +20,9 @@ void CSND_SND::Initialize(Kernel::HLERequestContext& ctx) {
using Kernel::MemoryPermission;
mutex = system.Kernel().CreateMutex(false, "CSND:mutex");
shared_memory = Kernel::SharedMemory::Create(nullptr, size, MemoryPermission::ReadWrite,
MemoryPermission::ReadWrite, 0,
Kernel::MemoryRegion::BASE, "CSND:SharedMemory");
shared_memory = system.Kernel().CreateSharedMemory(
nullptr, size, MemoryPermission::ReadWrite, MemoryPermission::ReadWrite, 0,
Kernel::MemoryRegion::BASE, "CSND:SharedMemory");
IPC::RequestBuilder rb = rp.MakeBuilder(1, 3);
rb.Push(RESULT_SUCCESS);

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@ -786,9 +786,9 @@ GSP_GPU::GSP_GPU(Core::System& system) : ServiceFramework("gsp::Gpu", 2), system
RegisterHandlers(functions);
using Kernel::MemoryPermission;
shared_memory = Kernel::SharedMemory::Create(nullptr, 0x1000, MemoryPermission::ReadWrite,
MemoryPermission::ReadWrite, 0,
Kernel::MemoryRegion::BASE, "GSP:SharedMemory");
shared_memory = system.Kernel().CreateSharedMemory(
nullptr, 0x1000, MemoryPermission::ReadWrite, MemoryPermission::ReadWrite, 0,
Kernel::MemoryRegion::BASE, "GSP:SharedMemory");
first_initialization = true;
};

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@ -359,9 +359,9 @@ std::shared_ptr<Module> Module::Interface::GetModule() const {
Module::Module(Core::System& system) : system(system) {
using namespace Kernel;
shared_mem =
SharedMemory::Create(nullptr, 0x1000, MemoryPermission::ReadWrite, MemoryPermission::Read,
0, MemoryRegion::BASE, "HID:SharedMemory");
shared_mem = system.Kernel().CreateSharedMemory(nullptr, 0x1000, MemoryPermission::ReadWrite,
MemoryPermission::Read, 0, MemoryRegion::BASE,
"HID:SharedMemory");
// Create event handles
event_pad_or_touch_1 = system.Kernel().CreateEvent(ResetType::OneShot, "HID:EventPadOrTouch1");

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@ -149,9 +149,9 @@ IR_RST::IR_RST(Core::System& system) : ServiceFramework("ir:rst", 1) {
using namespace Kernel;
// Note: these two kernel objects are even available before Initialize service function is
// called.
shared_memory =
SharedMemory::Create(nullptr, 0x1000, MemoryPermission::ReadWrite, MemoryPermission::Read,
0, MemoryRegion::BASE, "IRRST:SharedMemory");
shared_memory = system.Kernel().CreateSharedMemory(nullptr, 0x1000, MemoryPermission::ReadWrite,
MemoryPermission::Read, 0,
MemoryRegion::BASE, "IRRST:SharedMemory");
update_event = system.Kernel().CreateEvent(ResetType::OneShot, "IRRST:UpdateEvent");
update_callback_id =