Draft: lab 5 failed

kernel/include/process.h

@@ -0,0 +1,53 @@
+#pragma once
+
+#include <stddef.h>
+
+typedef struct {
+  uint64_t x0, x1;
+  uint64_t x2, x3;
+  uint64_t x4, x5;
+  uint64_t x6, x7;
+  uint64_t x8, x9;
+  uint64_t x10, x11;
+  uint64_t x12, x13;
+  uint64_t x14, x15;
+  uint64_t x16, x17;
+  uint64_t x18, x19;
+  uint64_t x20, x21;
+  uint64_t x22, x23;
+  uint64_t x24, x25;
+  uint64_t x26, x27;
+  uint64_t x28, fp;
+  uint64_t lr, spsr_el1;
+  uint64_t elr_el1;
+  uint64_t esr_el1;
+  uint64_t sp_el0;
+} trapframe_t;
+
+struct thread;
+
+typedef struct process {
+  int32_t pid;
+  struct thread *th;
+
+  int32_t exitcode;
+
+  void *stack;
+  size_t stack_size;
+
+  void *mem;
+  size_t mem_size;
+
+  trapframe_t *regs;
+} process_t;
+
+// thread_func_t, cast from
+// void run_process_by_name(const char *filename)
+int32_t run_process_by_name(uint64_t filename);
+
+// void run_process(process_t *)
+int32_t run_process(uint64_t process);
+
+process_t *fork_process(const process_t *from);
+
+extern int32_t global_pid_counter;