From e33cca194088f36f5d5d2ab2d84d18901617e27b Mon Sep 17 00:00:00 2001
From: yomaytk <yoshimura.masashi.frbs@gmail.com>
Date: Mon, 23 Sep 2024 18:14:10 +0900
Subject: [PATCH] Fix clock syscall for browser.

---
 runtime/syscalls/SyscallBrowser.cpp | 21 ++++++++++++++++++---
 scripts/dev.sh                      |  4 ++--
 2 files changed, 20 insertions(+), 5 deletions(-)

diff --git a/runtime/syscalls/SyscallBrowser.cpp b/runtime/syscalls/SyscallBrowser.cpp
index f7c7205..c27c2ad 100644
--- a/runtime/syscalls/SyscallBrowser.cpp
+++ b/runtime/syscalls/SyscallBrowser.cpp
@@ -29,6 +29,14 @@
 #  define NOP_SYSCALL(sysnum) ;
 #endif
 
+#if defined(__wasm32__)
+typedef uint32_t _ecv_long;
+#elif defined(__wasm64__)
+typedef uint64_t _ecv_long;
+#else
+typedef uint32_t _ecv_long;
+#endif
+
 /*
   for ioctl syscall
 */
@@ -199,10 +207,17 @@ void RuntimeManager::SVCBrowserCall(void) {
       break;
     case AARCH64_SYS_CLOCK_GETTIME: /* clock_gettime (clockid_t which_clock, struct __kernel_timespace *tp) */
     {
-      clockid_t which_clock = state_gpr.x0.dword;
       struct timespec emu_tp;
-      int clock_time = clock_gettime(which_clock, &emu_tp);
-      memcpy(TranslateVMA(state_gpr.x1.qword), &emu_tp, sizeof(timespec));
+      int clock_time = clock_gettime(CLOCK_REALTIME, &emu_tp);
+      // int clock_time = clock_gettime(state_gpr.x0.dword, &emu_tp); throw error.
+      struct {
+        uint64_t tv_sec; /* time_t */
+        uint64_t tv_nsec; /* long (assume that the from target architecture is 64bit) */
+      } tp = {
+          .tv_sec = (uint64_t) emu_tp.tv_sec,
+          .tv_nsec = (uint64_t) (_ecv_long) emu_tp.tv_nsec,
+      };
+      memcpy(TranslateVMA(state_gpr.x1.qword), &tp, sizeof(tp));
       state_gpr.x0.qword = (_ecv_reg64_t) clock_time;
     } break;
     case AARCH64_SYS_TGKILL: /* tgkill (pid_t tgid, pid_t pid, int sig) */
diff --git a/scripts/dev.sh b/scripts/dev.sh
index e0ad738..aab596f 100755
--- a/scripts/dev.sh
+++ b/scripts/dev.sh
@@ -111,8 +111,8 @@ main() {
       $WASMCC $WASMCCFLAGS $ELFCONV_MACROS $ELFCONV_DEBUG_MACROS -o VmIntrinsics.wasm.o -c ${RUNTIME_DIR}/VmIntrinsics.cpp && \
       $WASMCC $WASMCCFLAGS $ELFCONV_MACROS $ELFCONV_DEBUG_MACROS -o Util.wasm.o -c ${UTILS_DIR}/Util.cpp && \
       $WASMCC $WASMCCFLAGS $ELFCONV_MACROS $ELFCONV_DEBUG_MACROS -o elfconv.wasm.o -c ${UTILS_DIR}/elfconv.cpp && \
-      $WASMCC -c lift.ll -o lift.wasm.o
-      $WASMCC -o exe.wasm.html -sWASM -sALLOW_MEMORY_GROWTH lift.wasm.o Entry.wasm.o Runtime.wasm.o Memory.wasm.o Syscall.wasm.o \
+      $WASMCC $WASMCCFLAGS -c lift.ll -o lift.wasm.o
+      $WASMCC $WASMCCFLAGS -o exe.wasm.html -sALLOW_MEMORY_GROWTH lift.wasm.o Entry.wasm.o Runtime.wasm.o Memory.wasm.o Syscall.wasm.o \
                               VmIntrinsics.wasm.o Util.wasm.o elfconv.wasm.o
       echo -e "[\033[32mINFO\033[0m] Generate WASM binary."
       # delete obj