| 38,6 → 38,7 |
|---|
| #include <syscall/syscall.h> |
| #include <proc/thread.h> |
| #include <proc/task.h> |
| #include <proc/program.h> |
| #include <mm/as.h> |
| #include <print.h> |
| #include <putchar.h> |
| 46,19 → 47,19 |
|---|
| #include <debug.h> |
| #include <ipc/sysipc.h> |
| #include <synch/futex.h> |
| #include <synch/smc.h> |
| #include <ddi/ddi.h> |
| #include <security/cap.h> |
| #include <syscall/copy.h> |
| #include <sysinfo/sysinfo.h> |
| #include <console/console.h> |
| #include <console/klog.h> |
| |
| /** Print using kernel facility |
| * |
| * Some simulators can print only through kernel. Userspace can use |
| * this syscall to facilitate it. |
| * Print to kernel log. |
| * |
| */ |
| static unative_t sys_io(int fd, const void * buf, size_t count) |
| static unative_t sys_klog(int fd, const void * buf, size_t count) |
| { |
| size_t i; |
| char *data; |
| 66,20 → 67,23 |
|---|
| |
| if (count > PAGE_SIZE) |
| return ELIMIT; |
| |
| data = (char *) malloc(count, 0); |
| if (!data) |
| return ENOMEM; |
| |
| rc = copy_from_uspace(data, buf, count); |
| if (rc) { |
| if (count > 0) { |
| data = (char *) malloc(count, 0); |
| if (!data) |
| return ENOMEM; |
| |
| rc = copy_from_uspace(data, buf, count); |
| if (rc) { |
| free(data); |
| return rc; |
| } |
| |
| for (i = 0; i < count; i++) |
| putchar(data[i]); |
| free(data); |
| return rc; |
| } |
| |
| for (i = 0; i < count; i++) |
| putchar(data[i]); |
| free(data); |
| } else |
| klog_update(); |
| |
| return count; |
| } |
| 100,8 → 104,7 |
|---|
| if (id < SYSCALL_END) |
| rc = syscall_table[id](a1, a2, a3, a4, a5, a6); |
| else { |
| klog_printf("TASK %llu: Unknown syscall id %llx", TASK->taskid, |
| id); |
| printf("Task %" PRIu64": Unknown syscall %#" PRIxn, TASK->taskid, id); |
| task_kill(TASK->taskid); |
| thread_exit(); |
| } |
| 113,7 → 116,7 |
|---|
| } |
| |
| syshandler_t syscall_table[SYSCALL_END] = { |
| (syshandler_t) sys_io, |
| (syshandler_t) sys_klog, |
| (syshandler_t) sys_tls_set, |
| |
| /* Thread and task related syscalls. */ |
| 120,15 → 123,19 |
|---|
| (syshandler_t) sys_thread_create, |
| (syshandler_t) sys_thread_exit, |
| (syshandler_t) sys_thread_get_id, |
| |
| (syshandler_t) sys_task_get_id, |
| (syshandler_t) sys_program_spawn_loader, |
| |
| /* Synchronization related syscalls. */ |
| (syshandler_t) sys_futex_sleep_timeout, |
| (syshandler_t) sys_futex_wakeup, |
| (syshandler_t) sys_smc_coherence, |
| |
| /* Address space related syscalls. */ |
| (syshandler_t) sys_as_area_create, |
| (syshandler_t) sys_as_area_resize, |
| (syshandler_t) sys_as_area_change_flags, |
| (syshandler_t) sys_as_area_destroy, |
| |
| /* IPC related syscalls. */ |