1 files changed, 102 insertions, 0 deletions
diff --git a/StdLib/LibC/Main/Main.c b/StdLib/LibC/Main/Main.c
new file mode 100644
index 0000000000..0336d8b36a
--- /dev/null
+++ b/StdLib/LibC/Main/Main.c
@@ -0,0 +1,102 @@
+/** @file
+  Establish the program environment and the "main" entry point.
+
+  All of the global data in the gMD structure is initialized to 0, NULL, or
+  SIG_DFL; as appropriate.
+
+  Copyright (c) 2010, Intel Corporation. All rights reserved.<BR>
+  This program and the accompanying materials are licensed and made available under
+  the terms and conditions of the BSD License that accompanies this distribution.
+  The full text of the license may be found at
+  http://opensource.org/licenses/bsd-license.php.
+
+  THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+  WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+**/
+#include  <Uefi.h>
+#include  <Library/UefiLib.h>
+
+#include  <Library/ShellCEntryLib.h>
+#include  <Library/MemoryAllocationLib.h>
+#include  <Library/TimerLib.h>
+
+#include  <LibConfig.h>
+
+#include  <errno.h>
+#include  <stdio.h>
+#include  <string.h>
+#include  <MainData.h>
+
+extern int main( int, wchar_t**);
+extern int __sse2_available;
+
+struct  __MainData  *gMD;
+
+/* Worker function to keep GCC happy. */
+void __main()
+{
+  ;
+}
+
+INTN
+EFIAPI
+ShellAppMain (
+  IN UINTN Argc,
+  IN CHAR16 **Argv
+  )
+{
+  INTN   ExitVal;
+  INTN   i;
+  struct __filedes *mfd;
+  FILE  *fp;
+
+  ExitVal = (INTN)RETURN_SUCCESS;
+  gMD = AllocateZeroPool(sizeof(struct __MainData));
+  if( gMD == NULL ) {
+    ExitVal = (INTN)RETURN_OUT_OF_RESOURCES;
+  }
+  else {
+    /* Initialize data */
+    __sse2_available      = 0;
+    _fltused              = 1;
+    errno                 = 0;
+    EFIerrno              = 0;
+
+#ifdef NT32dvm
+    gMD->ClocksPerSecond  = 0;  // For NT32 only
+    gMD->AppStartTime     = 0;  // For NT32 only
+#else
+    gMD->ClocksPerSecond = (clock_t)GetPerformanceCounterProperties( NULL, NULL);
+    gMD->AppStartTime = (clock_t)GetPerformanceCounter();
+#endif  /* NT32 dvm */
+
+    // Initialize file descriptors
+    mfd = gMD->fdarray;
+    for(i = 0; i < (FOPEN_MAX); ++i) {
+      mfd[i].MyFD = (UINT16)i;
+    }
+
+    // Open stdin, stdout, stderr
+    fp = freopen("stdin:", "r", stdin);
+    if(fp != NULL) {
+      fp = freopen("stdout:", "w", stdout);
+      if(fp != NULL) {
+        fp = freopen("stderr:", "w", stderr);
+      }
+    }
+    if(fp == NULL) {
+      Print(L"ERROR Initializing Standard IO: %a.\n    %r\n",
+            strerror(errno), EFIerrno);
+    }
+
+    ExitVal = (INTN)main( (int)Argc, (wchar_t **)Argv);
+
+    if (gMD->cleanup != NULL) {
+      gMD->cleanup();
+    }
+  }
+  if(gMD != NULL) {
+    FreePool( gMD );
+  }
+  return ExitVal;
+}