Merge pull request #44 from yomaytk/fix-syscall

Fix clock_gettime for WASI.
yomaytk · May 18, 2024 · 10174a2 · 10174a2
2 parents 17d8e31 + 6c36628
commit 10174a2
Showing 1 changed file with 10 additions and 4 deletions.
diff --git a/runtime/syscalls/SyscallWasi.cpp b/runtime/syscalls/SyscallWasi.cpp
@@ -177,10 +177,16 @@ void __svc_wasi_call(void) {
       errno = _ECV_EACCESS;
       break;
     case AARCH64_SYS_CLOCK_GETTIME: /* clock_gettime (clockid_t which_clock, struct __kernel_timespace *tp) */
-      EMPTY_SYSCALL(AARCH64_SYS_CLOCK_GETTIME);
-      state_gpr.x0.qword = -1;
-      errno = _ECV_EACCESS;
-      break;
+    {
+      struct _ecv__clockid {
+        uint32_t id;
+      } which_clock;
+      which_clock.id = state_gpr.x0.dword;
+      struct timespec emu_tp;
+      int clock_time = clock_gettime((clockid_t) &which_clock, &emu_tp);
+      memcpy(_ecv_translate_ptr(state_gpr.x1.qword), &emu_tp, sizeof(timespec));
+      state_gpr.x0.qword = (_ecv_reg64_t) clock_time;
+    } break;
     case AARCH64_SYS_TGKILL: /* tgkill (pid_t tgid, pid_t pid, int sig) */
       EMPTY_SYSCALL(AARCH64_SYS_TGKILL);
       state_gpr.x0.qword = -1;