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Kernel/IPC: Add tests for HLERequestContext buffer translation

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This commit is contained in:
Yuri Kunde Schlesner 2017-06-18 16:05:58 -07:00
parent 0dfafdbe59
commit 60a882cd50
2 changed files with 196 additions and 2 deletions
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5
src/tests/CMakeLists.txt
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@ -1,8 +1,9 @@
set(SRCS set(SRCS
glad.cpp
tests.cpp
common/param_package.cpp common/param_package.cpp
core/file_sys/path_parser.cpp core/file_sys/path_parser.cpp
core/hle/kernel/hle_ipc.cpp
glad.cpp
tests.cpp
) )
set(HEADERS set(HEADERS

193
src/tests/core/hle/kernel/hle_ipc.cpp Normal file
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// Copyright 2017 Citra Emulator Project
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#include <catch.hpp>
#include "core/hle/ipc.h"
#include "core/hle/kernel/client_port.h"
#include "core/hle/kernel/client_session.h"
#include "core/hle/kernel/event.h"
#include "core/hle/kernel/handle_table.h"
#include "core/hle/kernel/hle_ipc.h"
#include "core/hle/kernel/process.h"
#include "core/hle/kernel/server_session.h"
namespace Kernel {
static SharedPtr<Object> MakeObject() {
return Event::Create(ResetType::OneShot);
}
TEST_CASE("HLERequestContext::PopoulateFromIncomingCommandBuffer", "[core][kernel]") {
auto session = std::get<SharedPtr<ServerSession>>(ServerSession::CreateSessionPair());
HLERequestContext context(std::move(session));
auto process = Process::Create(CodeSet::Create("", 0));
HandleTable handle_table;
SECTION("works with empty cmdbuf") {
const u32_le input[]{
IPC::MakeHeader(0x1234, 0, 0),
};
context.PopulateFromIncomingCommandBuffer(input, *process, handle_table);
REQUIRE(context.CommandBuffer()[0] == 0x12340000);
}
SECTION("translates regular params") {
const u32_le input[]{
IPC::MakeHeader(0, 3, 0), 0x12345678, 0x21122112, 0xAABBCCDD,
};
context.PopulateFromIncomingCommandBuffer(input, *process, handle_table);
auto* output = context.CommandBuffer();
REQUIRE(output[1] == 0x12345678);
REQUIRE(output[2] == 0x21122112);
REQUIRE(output[3] == 0xAABBCCDD);
}
SECTION("translates move handles") {
auto a = MakeObject();
Handle a_handle = handle_table.Create(a).Unwrap();
const u32_le input[]{
IPC::MakeHeader(0, 0, 2), IPC::MoveHandleDesc(1), a_handle,
};
context.PopulateFromIncomingCommandBuffer(input, *process, handle_table);
auto* output = context.CommandBuffer();
REQUIRE(context.GetIncomingHandle(output[2]) == a);
REQUIRE(handle_table.GetGeneric(a_handle) == nullptr);
}
SECTION("translates copy handles") {
auto a = MakeObject();
Handle a_handle = handle_table.Create(a).Unwrap();
const u32_le input[]{
IPC::MakeHeader(0, 0, 2), IPC::CopyHandleDesc(1), a_handle,
};
context.PopulateFromIncomingCommandBuffer(input, *process, handle_table);
auto* output = context.CommandBuffer();
REQUIRE(context.GetIncomingHandle(output[2]) == a);
REQUIRE(handle_table.GetGeneric(a_handle) == a);
}
SECTION("translates multi-handle descriptors") {
auto a = MakeObject();
auto b = MakeObject();
auto c = MakeObject();
const u32_le input[]{
IPC::MakeHeader(0, 0, 5), IPC::MoveHandleDesc(2),
handle_table.Create(a).Unwrap(), handle_table.Create(b).Unwrap(),
IPC::MoveHandleDesc(1), handle_table.Create(c).Unwrap(),
};
context.PopulateFromIncomingCommandBuffer(input, *process, handle_table);
auto* output = context.CommandBuffer();
REQUIRE(context.GetIncomingHandle(output[2]) == a);
REQUIRE(context.GetIncomingHandle(output[3]) == b);
REQUIRE(context.GetIncomingHandle(output[5]) == c);
}
SECTION("translates CallingPid descriptors") {
const u32_le input[]{
IPC::MakeHeader(0, 0, 2), IPC::CallingPidDesc(), 0x98989898,
};
context.PopulateFromIncomingCommandBuffer(input, *process, handle_table);
REQUIRE(context.CommandBuffer()[2] == process->process_id);
}
SECTION("translates mixed params") {
auto a = MakeObject();
const u32_le input[]{
IPC::MakeHeader(0, 2, 4),
0x12345678,
0xABCDEF00,
IPC::MoveHandleDesc(1),
handle_table.Create(a).Unwrap(),
IPC::CallingPidDesc(),
0,
};
context.PopulateFromIncomingCommandBuffer(input, *process, handle_table);
auto* output = context.CommandBuffer();
REQUIRE(output[1] == 0x12345678);
REQUIRE(output[2] == 0xABCDEF00);
REQUIRE(context.GetIncomingHandle(output[4]) == a);
REQUIRE(output[6] == process->process_id);
}
}
TEST_CASE("HLERequestContext::WriteToOutgoingCommandBuffer", "[core][kernel]") {
auto session = std::get<SharedPtr<ServerSession>>(ServerSession::CreateSessionPair());
HLERequestContext context(std::move(session));
auto process = Process::Create(CodeSet::Create("", 0));
HandleTable handle_table;
auto* input = context.CommandBuffer();
u32_le output[IPC::COMMAND_BUFFER_LENGTH];
SECTION("works with empty cmdbuf") {
input[0] = IPC::MakeHeader(0x1234, 0, 0);
context.WriteToOutgoingCommandBuffer(output, *process, handle_table);
REQUIRE(output[0] == 0x12340000);
}
SECTION("translates regular params") {
input[0] = IPC::MakeHeader(0, 3, 0);
input[1] = 0x12345678;
input[2] = 0x21122112;
input[3] = 0xAABBCCDD;
context.WriteToOutgoingCommandBuffer(output, *process, handle_table);
REQUIRE(output[1] == 0x12345678);
REQUIRE(output[2] == 0x21122112);
REQUIRE(output[3] == 0xAABBCCDD);
}
SECTION("translates move/copy handles") {
auto a = MakeObject();
auto b = MakeObject();
input[0] = IPC::MakeHeader(0, 0, 4);
input[1] = IPC::MoveHandleDesc(1);
input[2] = context.AddOutgoingHandle(a);
input[3] = IPC::CopyHandleDesc(1);
input[4] = context.AddOutgoingHandle(b);
context.WriteToOutgoingCommandBuffer(output, *process, handle_table);
REQUIRE(handle_table.GetGeneric(output[2]) == a);
REQUIRE(handle_table.GetGeneric(output[4]) == b);
}
SECTION("translates multi-handle descriptors") {
auto a = MakeObject();
auto b = MakeObject();
auto c = MakeObject();
input[0] = IPC::MakeHeader(0, 0, 5);
input[1] = IPC::MoveHandleDesc(2);
input[2] = context.AddOutgoingHandle(a);
input[3] = context.AddOutgoingHandle(b);
input[4] = IPC::CopyHandleDesc(1);
input[5] = context.AddOutgoingHandle(c);
context.WriteToOutgoingCommandBuffer(output, *process, handle_table);
REQUIRE(handle_table.GetGeneric(output[2]) == a);
REQUIRE(handle_table.GetGeneric(output[3]) == b);
REQUIRE(handle_table.GetGeneric(output[5]) == c);
}
}
} // namespace Kernel