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/*- * Copyright (c) 2003-2004 Juli Mallett. All rights reserved. * * 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. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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. * * $FreeBSD: release/9.1.0/sys/mips/include/hwfunc.h 222813 2011-06-07 08:46:13Z attilio $ */ #ifndef _MACHINE_HWFUNC_H_ #define _MACHINE_HWFUNC_H_ #include <sys/_cpuset.h> struct trapframe; struct timecounter; /* * Hooks downward into hardware functionality. */ void platform_halt(void); void platform_intr(struct trapframe *); void platform_reset(void); void platform_start(__register_t, __register_t, __register_t, __register_t); /* For clocks and ticks and such */ void platform_initclocks(void); uint64_t platform_get_frequency(void); unsigned platform_get_timecount(struct timecounter *); /* For hardware specific CPU initialization */ void platform_cpu_init(void); void platform_secondary_init(void); #ifdef SMP /* * Spin up the AP so that it starts executing MP bootstrap entry point: mpentry * * Returns 0 on sucess and non-zero on failure. */ int platform_start_ap(int processor_id); /* * Platform-specific initialization that needs to be done when an AP starts * running. This function is called from the MP bootstrap code in mpboot.S */ void platform_init_ap(int processor_id); /* * Return a plaform-specific interrrupt number that is used to deliver IPIs. * * This hardware interrupt is used to deliver IPIs exclusively and must * not be used for any other interrupt source. */ int platform_ipi_intrnum(void); /* * Trigger a IPI interrupt on 'cpuid'. */ void platform_ipi_send(int cpuid); /* * Quiesce the IPI interrupt source on the current cpu. */ void platform_ipi_clear(void); /* * Return the processor id. * * Note that this function is called in early boot when stack is not available. */ extern int platform_processor_id(void); /* * Return the cpumask of available processors. */ extern void platform_cpu_mask(cpuset_t *mask); /* * Return the topology of processors on this platform */ struct cpu_group *platform_smp_topo(void); #endif /* SMP */ #endif /* !_MACHINE_HWFUNC_H_ */