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940f6b48a1
In particular as-is it's not suited for multicore and mutiprocessors systems where there is on guarantee that the counter are synchronized or running from the same clock at all. This broke Sibyte and probably others since the "[MIPS] Handle R4000/R4400 mfc0 from count register." commit. Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
68 lines
1.4 KiB
C
68 lines
1.4 KiB
C
/*
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* This file is subject to the terms and conditions of the GNU General Public
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* License. See the file "COPYING" in the main directory of this archive
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* for more details.
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*
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* Copyright (C) 2006, 07 by Ralf Baechle (ralf@linux-mips.org)
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*
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* Symmetric Uniprocessor (TM) Support
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*/
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#include <linux/kernel.h>
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#include <linux/sched.h>
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/*
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* Send inter-processor interrupt
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*/
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void up_send_ipi_single(int cpu, unsigned int action)
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{
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panic(KERN_ERR "%s called", __func__);
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}
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static inline void up_send_ipi_mask(cpumask_t mask, unsigned int action)
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{
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panic(KERN_ERR "%s called", __func__);
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}
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/*
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* After we've done initial boot, this function is called to allow the
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* board code to clean up state, if needed
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*/
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void __cpuinit up_init_secondary(void)
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{
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}
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void __cpuinit up_smp_finish(void)
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{
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}
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/* Hook for after all CPUs are online */
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void up_cpus_done(void)
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{
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}
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/*
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* Firmware CPU startup hook
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*/
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void __cpuinit up_boot_secondary(int cpu, struct task_struct *idle)
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{
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}
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void __init up_smp_setup(void)
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{
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}
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void __init up_prepare_cpus(unsigned int max_cpus)
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{
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}
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struct plat_smp_ops up_smp_ops = {
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.send_ipi_single = up_send_ipi_single,
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.send_ipi_mask = up_send_ipi_mask,
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.init_secondary = up_init_secondary,
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.smp_finish = up_smp_finish,
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.cpus_done = up_cpus_done,
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.boot_secondary = up_boot_secondary,
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.smp_setup = up_smp_setup,
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.prepare_cpus = up_prepare_cpus,
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};
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