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Code Issues Releases Wiki Activity

move Pop methods out of class body

merge-requests/60/head
Lectem 2016-12-26 14:42:06 +07:00
parent 8baae9d982
commit f91c51467a
1 changed files with 89 additions and 73 deletions
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162
src/core/hle/ipc_helpers.h
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@ -50,9 +50,9 @@ public:
template <typename T>
void Push(T value);
template <>
void Push(u32);
void Push(u32 value) {
cmdbuf[index++] = value;
}
template <typename First, class... Other>
void Push(First first_value, const Other&... other_values) {
Push(first_value);
@ -86,7 +86,7 @@ public:
void PushCurrentPIDHandle() {
Push(CallingPidDesc());
Push<u32>(0);
Push(u32(0));
}
void PushStaticBuffer(VAddr buffer_vaddr, u32 size, u8 buffer_id) {
@ -100,6 +100,24 @@ public:
}
};
/// Push ///
template <>
inline void RequestBuilder::Push<u32>(u32 value) {
Push(value);
}
template <>
inline void RequestBuilder::Push<u64>(u64 value) {
Push(static_cast<u32>(value));
Push(static_cast<u32>(value >> 32));
}
template <>
inline void RequestBuilder::Push<ResultCode>(ResultCode value) {
Push(value.raw);
}
class RequestParser : public RequestHelperBase {
public:
RequestParser(u32* command_buffer, Header command_header)
@ -123,39 +141,16 @@ public:
template <typename T>
T Pop();
template <>
u32 Pop<u32>();
template <typename T>
void Pop(T& value) {
value = Pop<T>();
}
void Pop(T& value);
template <typename First, class... Other>
void Pop(First& first_value, Other&... other_values) {
first_value = Pop<First>();
Pop(other_values...);
}
void Pop(First& first_value, Other&... other_values);
Kernel::Handle PopHandle() {
const u32 handle_descriptor = Pop<u32>();
DEBUG_ASSERT_MSG(IsHandleDescriptor(handle_descriptor),
"Tried to pop handle(s) but the descriptor is not a handle descriptor");
DEBUG_ASSERT_MSG(HandleNumberFromDesc(handle_descriptor) == 1,
"Descriptor indicates that there isn't exactly one handle");
return Pop<Kernel::Handle>();
}
Kernel::Handle PopHandle();
template <typename... H>
void PopHandles(H&... handles) {
const u32 handle_descriptor = Pop<u32>();
const int handles_number = sizeof...(H);
DEBUG_ASSERT_MSG(IsHandleDescriptor(handle_descriptor),
"Tried to pop handle(s) but the descriptor is not a handle descriptor");
DEBUG_ASSERT_MSG(handles_number == HandleNumberFromDesc(handle_descriptor),
"Number of handles doesn't match the descriptor");
Pop(static_cast<Kernel::Handle&>(handles)...);
}
void PopHandles(H&... handles);
/**
* @brief Pops the static buffer vaddr
@ -171,22 +166,7 @@ public:
* buffer information
* Please note that the setup uses virtual addresses.
*/
VAddr PopStaticBuffer(size_t* data_size = nullptr, bool useStaticBuffersToGetVaddr = false) {
const u32 sbuffer_descriptor = Pop<u32>();
StaticBufferDescInfo bufferInfo{sbuffer_descriptor};
if (data_size != nullptr)
*data_size = bufferInfo.size;
if (!useStaticBuffersToGetVaddr)
return Pop<VAddr>();
else {
ASSERT_MSG(0, "remove the assert if multiprocess/IPC translation are implemented.");
// The buffer has already been copied to the static buffer by the kernel during
// translation
Pop<VAddr>(); // Pop the calling process buffer address
// and get the vaddr from the static buffers
return cmdbuf[(0x100 >> 2) + bufferInfo.buffer_id * 2 + 1];
}
}
VAddr PopStaticBuffer(size_t* data_size = nullptr, bool useStaticBuffersToGetVaddr = false);
/**
* @brief Pops the mapped buffer vaddr
@ -197,26 +177,14 @@ public:
* buffer
*/
VAddr PopMappedBuffer(size_t* data_size = nullptr,
MappedBufferPermissions* buffer_perms = nullptr) {
const u32 sbuffer_descriptor = Pop<u32>();
MappedBufferDescInfo bufferInfo{sbuffer_descriptor};
if (data_size != nullptr)
*data_size = bufferInfo.size;
if (buffer_perms != nullptr)
*buffer_perms = bufferInfo.perms;
return Pop<VAddr>();
}
MappedBufferPermissions* buffer_perms = nullptr);
/**
* @brief Reads the next normal parameters as a struct, by copying it
* @note: The output class must be correctly packed/padded to fit hardware layout.
*/
template <typename T>
void PopRaw(T& value) {
static_assert(std::is_trivially_copyable<T>(), "Raw types should be trivially copyable");
std::memcpy(&value, cmdbuf + index, sizeof(T));
index += (sizeof(T) + 3) / 4; // round up to word length
}
void PopRaw(T& value);
};
/// Pop ///
@ -238,22 +206,70 @@ inline ResultCode RequestParser::Pop<ResultCode>() {
return ResultCode{Pop<u32>()};
}
/// Push ///
template <>
inline void RequestBuilder::Push<u32>(u32 value) {
cmdbuf[index++] = value;
template <typename T>
void RequestParser::Pop(T& value) {
value = Pop<T>();
}
template <>
inline void RequestBuilder::Push<u64>(u64 value) {
Push(static_cast<u32>(value));
Push(static_cast<u32>(value >> 32));
template <typename First, class... Other>
void RequestParser::Pop(First& first_value, Other&... other_values) {
first_value = Pop<First>();
Pop(other_values...);
}
template <>
inline void RequestBuilder::Push<ResultCode>(ResultCode value) {
Push(value.raw);
inline Kernel::Handle RequestParser::PopHandle() {
const u32 handle_descriptor = Pop<u32>();
DEBUG_ASSERT_MSG(IsHandleDescriptor(handle_descriptor),
"Tried to pop handle(s) but the descriptor is not a handle descriptor");
DEBUG_ASSERT_MSG(HandleNumberFromDesc(handle_descriptor) == 1,
"Descriptor indicates that there isn't exactly one handle");
return Pop<Kernel::Handle>();
}
template <typename... H>
void RequestParser::PopHandles(H&... handles) {
const u32 handle_descriptor = Pop<u32>();
const int handles_number = sizeof...(H);
DEBUG_ASSERT_MSG(IsHandleDescriptor(handle_descriptor),
"Tried to pop handle(s) but the descriptor is not a handle descriptor");
DEBUG_ASSERT_MSG(handles_number == HandleNumberFromDesc(handle_descriptor),
"Number of handles doesn't match the descriptor");
Pop(static_cast<Kernel::Handle&>(handles)...);
}
inline VAddr RequestParser::PopStaticBuffer(size_t* data_size, bool useStaticBuffersToGetVaddr) {
const u32 sbuffer_descriptor = Pop<u32>();
StaticBufferDescInfo bufferInfo{sbuffer_descriptor};
if (data_size != nullptr)
*data_size = bufferInfo.size;
if (!useStaticBuffersToGetVaddr)
return Pop<VAddr>();
else {
ASSERT_MSG(0, "remove the assert if multiprocess/IPC translation are implemented.");
// The buffer has already been copied to the static buffer by the kernel during
// translation
Pop<VAddr>(); // Pop the calling process buffer address
// and get the vaddr from the static buffers
return cmdbuf[(0x100 >> 2) + bufferInfo.buffer_id * 2 + 1];
}
}
inline VAddr RequestParser::PopMappedBuffer(size_t* data_size,
MappedBufferPermissions* buffer_perms) {
const u32 sbuffer_descriptor = Pop<u32>();
MappedBufferDescInfo bufferInfo{sbuffer_descriptor};
if (data_size != nullptr)
*data_size = bufferInfo.size;
if (buffer_perms != nullptr)
*buffer_perms = bufferInfo.perms;
return Pop<VAddr>();
}
template <typename T>
void RequestParser::PopRaw(T& value) {
static_assert(std::is_trivially_copyable<T>(), "Raw types should be trivially copyable");
std::memcpy(&value, cmdbuf + index, sizeof(T));
index += (sizeof(T) + 3) / 4; // round up to word length
}
} // namespace IPC