diff options
Diffstat (limited to 'sys/arch/hppa/dev')
-rw-r--r-- | sys/arch/hppa/dev/pdcall.c | 72 |
1 files changed, 72 insertions, 0 deletions
diff --git a/sys/arch/hppa/dev/pdcall.c b/sys/arch/hppa/dev/pdcall.c new file mode 100644 index 00000000000..2b78632ff44 --- /dev/null +++ b/sys/arch/hppa/dev/pdcall.c @@ -0,0 +1,72 @@ +/* $OpenBSD: pdcall.c,v 1.1 1998/09/12 02:53:25 mickey Exp $ */ + +/* + * Copyright (c) 1998 Michael Shalayeff + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by Michael Shalayeff. + * 4. The name of the author may not be used to endorse or promote products + * derived from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES + * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. + * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT + * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF + * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#include <sys/param.h> + +#include <machine/stdarg.h> +#include <machine/cpufunc.h> +#include <machine/pdc.h> +#include <machine/psl.h> +#include <machine/reg.h> + +int +pdc_call(func, pdc_flag) + iodcio_t func; + int pdc_flag; +{ + register register_t ret, psw; + va_list va; + int args[11], i; + + va_start(va, pdc_flag); + for (i = 0; i < sizeof(args)/sizeof(args[0]); i++) + args[i] = va_arg(va, int); + va_end(va); + + if (kernelmapped) { + psw = PSW_Q; + + if (!pdc_flag && args[0] == PDC_PIM) + psw |= PSW_M; + + set_psw(psw); + } + + ret = (func)((void *)args[0], args[1], args[2], args[3], args[4], + args[5], args[6], args[7], args[8], args[9], args[10]); + + if (kernelmapped) { + set_psw(KERNEL_PSW); + } + + return ret; +} |