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59 lines
1.5 KiB
C
59 lines
1.5 KiB
C
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/*
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* Dummy Virtual Machine - does what it says on the tin.
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*
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* Copyright (C) 2012 ARM Ltd
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* Author: Will Deacon <will.deacon@arm.com>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <linux/init.h>
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#include <linux/smp.h>
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#include <linux/of.h>
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#include <linux/irqchip/arm-gic.h>
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#include <asm/psci.h>
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#include <asm/smp_plat.h>
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extern void secondary_startup(void);
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static void __init virt_smp_init_cpus(void)
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{
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}
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static void __init virt_smp_prepare_cpus(unsigned int max_cpus)
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{
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}
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static int __cpuinit virt_boot_secondary(unsigned int cpu,
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struct task_struct *idle)
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{
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if (psci_ops.cpu_on)
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return psci_ops.cpu_on(cpu_logical_map(cpu),
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__pa(secondary_startup));
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return -ENODEV;
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}
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static void __cpuinit virt_secondary_init(unsigned int cpu)
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{
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gic_secondary_init(0);
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}
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struct smp_operations __initdata virt_smp_ops = {
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.smp_init_cpus = virt_smp_init_cpus,
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.smp_prepare_cpus = virt_smp_prepare_cpus,
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.smp_secondary_init = virt_secondary_init,
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.smp_boot_secondary = virt_boot_secondary,
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};
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