diff options
Diffstat (limited to 'arch/mips/mips-boards/generic/amon.c')
-rw-r--r-- | arch/mips/mips-boards/generic/amon.c | 80 |
1 files changed, 0 insertions, 80 deletions
diff --git a/arch/mips/mips-boards/generic/amon.c b/arch/mips/mips-boards/generic/amon.c deleted file mode 100644 index 96236bf33838..000000000000 --- a/arch/mips/mips-boards/generic/amon.c +++ /dev/null @@ -1,80 +0,0 @@ -/* - * Copyright (C) 2007 MIPS Technologies, Inc. - * All rights reserved. - - * This program is free software; you can distribute it and/or modify it - * under the terms of the GNU General Public License (Version 2) as - * published by the Free Software Foundation. - * - * This program is distributed in the hope it will be useful, but WITHOUT - * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License - * for more details. - * - * You should have received a copy of the GNU General Public License along - * with this program; if not, write to the Free Software Foundation, Inc., - * 59 Temple Place - Suite 330, Boston MA 02111-1307, USA. - * - * Arbitrary Monitor interface - */ - -#include <linux/kernel.h> -#include <linux/init.h> -#include <linux/smp.h> - -#include <asm-mips/addrspace.h> -#include <asm-mips/mips-boards/launch.h> -#include <asm-mips/mipsmtregs.h> - -int amon_cpu_avail(int cpu) -{ - struct cpulaunch *launch = (struct cpulaunch *)CKSEG0ADDR(CPULAUNCH); - - if (cpu < 0 || cpu >= NCPULAUNCH) { - pr_debug("avail: cpu%d is out of range\n", cpu); - return 0; - } - - launch += cpu; - if (!(launch->flags & LAUNCH_FREADY)) { - pr_debug("avail: cpu%d is not ready\n", cpu); - return 0; - } - if (launch->flags & (LAUNCH_FGO|LAUNCH_FGONE)) { - pr_debug("avail: too late.. cpu%d is already gone\n", cpu); - return 0; - } - - return 1; -} - -void amon_cpu_start(int cpu, - unsigned long pc, unsigned long sp, - unsigned long gp, unsigned long a0) -{ - volatile struct cpulaunch *launch = - (struct cpulaunch *)CKSEG0ADDR(CPULAUNCH); - - if (!amon_cpu_avail(cpu)) - return; - if (cpu == smp_processor_id()) { - pr_debug("launch: I am cpu%d!\n", cpu); - return; - } - launch += cpu; - - pr_debug("launch: starting cpu%d\n", cpu); - - launch->pc = pc; - launch->gp = gp; - launch->sp = sp; - launch->a0 = a0; - - /* Make sure target sees parameters before the go bit */ - smp_mb(); - - launch->flags |= LAUNCH_FGO; - while ((launch->flags & LAUNCH_FGONE) == 0) - ; - pr_debug("launch: cpu%d gone!\n", cpu); -} |