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Diffstat (limited to 'sys/boot/alpha/libalpha/prom_disp.S')
| -rw-r--r-- | sys/boot/alpha/libalpha/prom_disp.S | 118 |
1 files changed, 0 insertions, 118 deletions
diff --git a/sys/boot/alpha/libalpha/prom_disp.S b/sys/boot/alpha/libalpha/prom_disp.S deleted file mode 100644 index 184f1d3..0000000 --- a/sys/boot/alpha/libalpha/prom_disp.S +++ /dev/null @@ -1,118 +0,0 @@ -/* - * $FreeBSD$ - * From: $NetBSD: prom_disp.S,v 1.2 1997/04/06 08:41:00 cgd Exp $ - */ - -/* - * Copyright (c) 1994, 1995, 1996 Carnegie-Mellon University. - * All rights reserved. - * - * Author: Chris G. Demetriou - * - * Permission to use, copy, modify and distribute this software and - * its documentation is hereby granted, provided that both the copyright - * notice and this permission notice appear in all copies of the - * software, derivative works or modified versions, and any portions - * thereof, and that both notices appear in supporting documentation. - * - * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS" - * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND - * FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE. - * - * Carnegie Mellon requests users of this software to return to - * - * Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU - * School of Computer Science - * Carnegie Mellon University - * Pittsburgh PA 15213-3890 - * - * any improvements or extensions that they make and grant Carnegie the - * rights to redistribute these changes. - */ - -#ifndef _LOCORE -#define ASSEMBLER -#include <machine/asm.h> -#include <machine/prom.h> -#include <machine/rpb.h> -#endif - - .globl prom_dispatch_v - .comm prom_dispatch_v,16 - - .text - .align 4 - -/* - * Dispatcher routine. Implements prom's calling machinery, saves our - * callee-saved registers as required by C. - */ -#define D_RA (7*8) -#define D_S0 (8*8) -#define D_S1 (9*8) -#define D_S2 (10*8) -#define D_S3 (11*8) -#define D_S4 (12*8) -#define D_S5 (13*8) -#define D_S6 (14*8) -#define DISPATCH_FRAME_SIZE (15*8) -#define DISPATCH_REGS IM_RA|IM_S0|IM_S1|IM_S2|IM_S3|IM_S4|IM_S5|IM_S6 - -NESTED(prom_dispatch, 5, DISPATCH_FRAME_SIZE, ra, DISPATCH_REGS, 0) - LDGP(pv) - - lda sp, -DISPATCH_FRAME_SIZE(sp) - stq ra, D_RA(sp) - stq s0, D_S0(sp) - stq s1, D_S1(sp) - stq s2, D_S2(sp) - stq s3, D_S3(sp) - stq s4, D_S4(sp) - stq s5, D_S5(sp) - stq s6, D_S6(sp) - - /* Lord have mercy because.. I would not. */ -/* #define STUPID_PROM_IS_32_BITS */ -#ifdef STUPID_PROM_IS_32_BITS - ldah s0, 0x2000(zero) /* hack for hack */ - lda s0, (0x2000-8)(s0) - - stq sp, 0(s0) - or s0, zero, sp -#endif /* STUPID_PROM_IS_32_BITS */ - - lda pv, prom_dispatch_v - ldq v0, 0(pv) /* routine */ - ldq pv, 8(pv) /* routine_arg */ - - jsr ra, (v0) - -#ifdef STUPID_PROM_IS_32_BITS - ldah s0, 0x2000(zero) /* hack for hack */ - lda s0, (0x2000-8)(s0) - - ldq sp, 0(s0) -#endif /* STUPID_PROM_IS_32_BITS */ - - ldq ra, D_RA(sp) - ldq s0, D_S0(sp) - ldq s1, D_S1(sp) - ldq s2, D_S2(sp) - ldq s3, D_S3(sp) - ldq s4, D_S4(sp) - ldq s5, D_S5(sp) - ldq s6, D_S6(sp) - lda sp, DISPATCH_FRAME_SIZE(sp) - RET -END(prom_dispatch) - -#undef D_RA -#undef D_S0 -#undef D_S1 -#undef D_S2 -#undef D_S3 -#undef D_S4 -#undef D_S5 -#undef D_S6 -#undef DISPATCH_FRAME_SIZE -#undef DISPATCH_REGS |
