scl/strato
1
0
Fork 0
mirror of https://github.com/Takiiiiiiii/strato.git synced 2025-07-17 08:46:39 +00:00
Code Issues Packages Projects Releases Wiki Activity

Milestone 1 - Processes & Threads

Browse Source 
Reworks the API a fair bit and adds documentation to almost everything.
This commit is contained in:
◱ PixelyIon
2019-09-05 18:12:19 +05:30
parent 62cb561888
commit 9e1e06c64b
43 changed files with 2029 additions and 688 deletions
Download Patch File Download Diff File Expand all files Collapse all files

102
app/src/main/cpp/switch/kernel/ipc.cpp Normal file
View File

@ -0,0 +1,102 @@
#include <syslog.h>
#include <cstdlib>
#include "ipc.h"
#include "types/KProcess.h"
namespace lightSwitch::kernel::ipc {
IpcRequest::IpcRequest(uint8_t *tls_ptr, device_state &state) : req_info((CommandStruct *) tls_ptr) {
state.logger->Write(Logger::DEBUG, "Enable handle descriptor: {0}", (bool) req_info->handle_desc);
data_offset = 8;
if (req_info->handle_desc) {
HandleDescriptor handledesc = *(HandleDescriptor *) (&tls_ptr[8]);
state.logger->Write(Logger::DEBUG, "Moving {} handles and copying {} handles (0x{:X})", uint8_t(handledesc.move_count), uint8_t(handledesc.copy_count), tls_ptr[2]);
data_offset += 4 + handledesc.copy_count * 4 + handledesc.move_count * 4;
}
if (req_info->x_no || req_info->a_no || req_info->b_no || req_info->w_no)
state.logger->Write(Logger::ERROR, "IPC - Descriptors");
// Align to 16 bytes
data_offset = ((data_offset - 1) & ~(15U)) + 16; // ceil data_offset with multiples 16
data_ptr = &tls_ptr[data_offset + sizeof(req_info)];
state.logger->Write(Logger::DEBUG, "Type: 0x{:X}", (uint8_t) req_info->type);
state.logger->Write(Logger::DEBUG, "X descriptors: {}", (uint8_t) req_info->x_no);
state.logger->Write(Logger::DEBUG, "A descriptors: {}", (uint8_t) req_info->a_no);
state.logger->Write(Logger::DEBUG, "B descriptors: {}", (uint8_t) req_info->b_no);
state.logger->Write(Logger::DEBUG, "W descriptors: {}", (uint8_t) req_info->w_no);
state.logger->Write(Logger::DEBUG, "Raw data offset: 0x{:X}", data_offset);
state.logger->Write(Logger::DEBUG, "Raw data size: {}", (uint16_t) req_info->data_sz);
state.logger->Write(Logger::DEBUG, "Payload Command ID: {0} (0x{0:X})", *((uint32_t *) &tls_ptr[data_offset + 8]));
}
template<typename T>
T IpcRequest::GetValue() {
data_offset += sizeof(T);
return *reinterpret_cast<T *>(&data_ptr[data_offset - sizeof(T)]);
}
IpcResponse::IpcResponse() : resp_info{0} {
tls_ptr = reinterpret_cast<uint32_t *>(new uint8_t[constant::tls_ipc_size]);
}
IpcResponse::~IpcResponse() {
delete[] tls_ptr;
}
void IpcResponse::Generate(device_state &state) {
state.logger->Write(Logger::DEBUG, "Moving {} handles and copying {} handles", moved_handles.size(), copied_handles.size());
resp_info.type = 0;
data_offset = 8;
if (!moved_handles.empty() || !copied_handles.empty()) {
resp_info.handle_desc = true;
HandleDescriptor handledesc{};
handledesc.copy_count = static_cast<uint8_t>(copied_handles.size());
handledesc.move_count = static_cast<uint8_t>(moved_handles.size());
*(HandleDescriptor *) &tls_ptr[2] = handledesc;
uint64_t handle_index = 0;
for (auto& copied_handle : copied_handles) {
state.logger->Write(Logger::DEBUG, "Copying handle to 0x{:X}", 12 + handle_index * 4);
tls_ptr[3 + handle_index] = copied_handle;
handle_index += 1;
}
for (auto& moved_handle : moved_handles) {
state.logger->Write(Logger::DEBUG, "Moving handle to 0x{:X}", 12 + handle_index * 4);
tls_ptr[3 + handle_index] = moved_handle;
handle_index += 1;
}
data_offset += 4 + copied_handles.size() * 4 + moved_handles.size() * 4;
}
state.logger->Write(Logger::DEBUG, "Data offset: 0x{:X}", data_offset);
// Align to 16 bytes
data_offset = ((data_offset - 1) & ~(15U)) + 16; // ceil data_offset with multiples 16
if (is_domain) {
tls_ptr[data_offset >> 2] = static_cast<uint32_t>(moved_handles.size());
data_offset += 0x10;
}
data_offset >>= 2;
// TODO: Calculate data size
resp_info.data_sz = static_cast<uint16_t>(16 + (is_domain ? 4 : 0)); // + data_words;
tls_ptr[data_offset] = constant::ipc_sfco;
tls_ptr[data_offset + 2] = error_code;
}
void IpcResponse::SetError(uint32_t _error_code) { error_code = _error_code; }
template<typename T>
void IpcResponse::WriteValue() {
}
void IpcResponse::CopyHandle(uint32_t handle) { copied_handles.push_back(handle); }
void IpcResponse::MoveHandle(uint32_t handle) { moved_handles.push_back(handle); }
}