Il 29/12/23 15:09, Samuel Thibault ha scritto:
Luca Dariz, le jeu. 28 déc. 2023 20:42:54 +0100, a ecrit:
+ // this emulates maptime()
+ struct mapped_time_value *mtime;
+ mach_port_t device, memobj;
+ int err = device_open (device_priv(), 0, "time", &device);
+ ASSERT_RET(err, "device_open");
+ err = device_map (device, VM_PROT_READ, 0, sizeof(*mtime), &memobj, 0);
+ ASSERT_RET(err, "device_map");
+ err = mach_port_deallocate (mach_task_self (), device);
+ ASSERT_RET(err, "mach_port_deallocate");
+ mtime = 0;
+ err =
+ vm_map (mach_task_self (), (vm_address_t *)&mtime, sizeof *mtime, 0, 1,
+ memobj, 0, 0, VM_PROT_READ, VM_PROT_READ, VM_INHERIT_NONE);
+ ASSERT_RET(err, "vm_map");
+ err = mach_port_deallocate (mach_task_self (), memobj);
+ ASSERT_RET(err, "mach_port_deallocate");
I'd say try to print the content, so as to check that this did return a
pointer that is readable?
ok
Luca
