| 48 | } // extern "C" |
| 49 | |
| 50 | void InitTaskContext(cpu_io::CalleeSavedContext* task_context, |
| 51 | void (*entry)(void*), void* arg, uint64_t stack_top) { |
| 52 | // 清零上下文 |
| 53 | std::memset(task_context, 0, sizeof(cpu_io::CalleeSavedContext)); |
| 54 | |
| 55 | task_context->ReturnAddress() = |
| 56 | reinterpret_cast<uint64_t>(kernel_thread_entry); |
| 57 | task_context->EntryFunction() = reinterpret_cast<uint64_t>(entry); |
| 58 | task_context->EntryArgument() = reinterpret_cast<uint64_t>(arg); |
| 59 | task_context->StackPointer() = stack_top; |
| 60 | } |
| 61 | |
| 62 | void InitTaskContext(cpu_io::CalleeSavedContext* task_context, |
| 63 | cpu_io::TrapContext* trap_context_ptr, |