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