Author: manu Date: Tue Aug 16 14:33:25 2016 New Revision: 304222 URL: https://svnweb.freebsd.org/changeset/base/304222
Log: Only use WaitForKeys event if it exists, this is not the case in u-boot efi implementation. Reviewed by: jhb, emaste MFC after: 1 week Differential Revision: https://reviews.freebsd.org/D6781 Modified: head/sys/boot/efi/libefi/efi_console.c Modified: head/sys/boot/efi/libefi/efi_console.c ============================================================================== --- head/sys/boot/efi/libefi/efi_console.c Tue Aug 16 14:23:35 2016 (r304221) +++ head/sys/boot/efi/libefi/efi_console.c Tue Aug 16 14:33:25 2016 (r304222) @@ -438,8 +438,10 @@ efi_cons_getchar() /* Try to read a key stroke. We wait for one if none is pending. */ status = conin->ReadKeyStroke(conin, &key); - if (status == EFI_NOT_READY) { - BS->WaitForEvent(1, &conin->WaitForKey, &junk); + while (status == EFI_NOT_READY) { + /* Some EFI implementation (u-boot for example) do not support WaitForKey */ + if (conin->WaitForKey != NULL) + BS->WaitForEvent(1, &conin->WaitForKey, &junk); status = conin->ReadKeyStroke(conin, &key); } switch (key.ScanCode) { @@ -454,6 +456,9 @@ efi_cons_getchar() int efi_cons_poll() { + + if (conin->WaitForKey == NULL) + return (1); /* This can clear the signaled state. */ return (BS->CheckEvent(conin->WaitForKey) == EFI_SUCCESS); } _______________________________________________ svn-src-all@freebsd.org mailing list https://lists.freebsd.org/mailman/listinfo/svn-src-all To unsubscribe, send any mail to "svn-src-all-unsubscr...@freebsd.org"
