| 8 | #include "kernel_log.hpp" |
| 9 | |
| 10 | auto Syscall(uint64_t, cpu_io::TrapContext* context_ptr) -> void { |
| 11 | // 获取系统调用号和参数 |
| 12 | uint64_t syscall_id = 0; |
| 13 | uint64_t args[6] = {0}; |
| 14 | |
| 15 | syscall_id = context_ptr->a7; |
| 16 | args[0] = context_ptr->a0; |
| 17 | args[1] = context_ptr->a1; |
| 18 | args[2] = context_ptr->a2; |
| 19 | args[3] = context_ptr->a3; |
| 20 | args[4] = context_ptr->a4; |
| 21 | args[5] = context_ptr->a5; |
| 22 | |
| 23 | // 执行处理函数 |
| 24 | auto ret = syscall_dispatcher(syscall_id, args); |
| 25 | |
| 26 | // 设置返回值 |
| 27 | context_ptr->a0 = static_cast<uint64_t>(ret); |
| 28 | // 跳过 ecall 指令 |
| 29 | context_ptr->sepc += 4; |
| 30 | } |
no test coverage detected