[src/nathanw_sa]: src/sys/arch/alpha/alpha No need to have code we don't use ...

[thorpej <thorpej%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/69a60cdffdb2
branches:  nathanw_sa
changeset: 504656:69a60cdffdb2
user:      thorpej <thorpej%NetBSD.org@localhost>
date:      Sat May 05 02:20:54 2001 +0000

description:
No need to have code we don't use anymore.

diffstat:

 sys/arch/alpha/alpha/multiproc.s |  95 ++++++++++++++++++++++++++++++++++++++++
 1 files changed, 95 insertions(+), 0 deletions(-)

diffs (99 lines):

diff -r 9895f7369b8d -r 69a60cdffdb2 sys/arch/alpha/alpha/multiproc.s
--- /dev/null   Thu Jan 01 00:00:00 1970 +0000
+++ b/sys/arch/alpha/alpha/multiproc.s  Sat May 05 02:20:54 2001 +0000
@@ -0,0 +1,95 @@
+/* $NetBSD: multiproc.s,v 1.9.4.2 2001/05/05 02:20:54 thorpej Exp $ */
+
+/*-
+ * Copyright (c) 1998, 2000 The NetBSD Foundation, Inc.
+ * All rights reserved.
+ *
+ * This code is derived from software contributed to The NetBSD Foundation
+ * by Jason R. Thorpe of the Numerical Aerospace Simulation Facility,
+ * NASA Ames Research Center.
+ *
+ * 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 the NetBSD
+ *     Foundation, Inc. and its contributors.
+ * 4. Neither the name of The NetBSD Foundation nor the names of its
+ *    contributors may be used to endorse or promote products derived
+ *    from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
+ * ``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 FOUNDATION OR CONTRIBUTORS
+ * 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.
+ */
+
+__KERNEL_RCSID(5, "$NetBSD: multiproc.s,v 1.9.4.2 2001/05/05 02:20:54 thorpej Exp $")
+
+/*
+ * Multiprocessor glue code.
+ */
+
+       .text
+inc5:  .stabs  __FILE__,132,0,0,inc5; .loc     1 __LINE__
+
+/*
+ * cpu_spinup_trampoline:
+ *
+ * We come here via the secondary processor's console.  We simply
+ * make the function call look right, and call cpu_hatch() to finish
+ * starting up the processor.
+ *
+ * We are provided an argument in $27 (pv).  It will be a pointer to
+ * our cpu_info.
+ */
+NESTED_NOPROFILE(cpu_spinup_trampoline,0,0,ra,0,0)
+       mov     pv, s0                  /* squirrel away argument */
+
+       br      pv, 1f                  /* compute new GP */
+1:     LDGP(pv)
+
+       /* Write new KGP. */
+       mov     gp, a0
+       call_pal PAL_OSF1_wrkgp
+
+       /* Store our CPU info in SysValue. */
+       mov     s0, a0
+       call_pal PAL_OSF1_wrval
+
+       /* Switch to this CPU's idle thread. */
+       ldq     a0, CPU_INFO_IDLE_PCB_PADDR(s0)
+       SWITCH_CONTEXT
+
+       /* Invalidate TLB and I-stream. */
+       ldiq    a0, -2                  /* TBIA */
+       call_pal PAL_OSF1_tbi
+       call_pal PAL_imb
+
+       /* Make sure the FPU is turned off. */
+       mov     zero, a0
+       call_pal PAL_OSF1_wrfen
+
+       /* Restore argument and call cpu_hatch() */
+       mov     s0, a0
+       CALL(cpu_hatch)
+
+       /* Acquire the scheduler lock, and then jump into the idle loop! */
+       CALL(sched_lock_idle)
+       mov     zero, s0                /* no outgoing proc */
+       jmp     zero, idle
+
+       END(cpu_spinup_trampoline)