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📄 bcopyinout_xscale.S(19.19 KB)
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📄 bus_space_asm_generic.S(5.43 KB)
📄 bus_space_base.c(4.8 KB)
📄 bus_space_generic.c(4.1 KB)
📄 busdma_machdep.c(50.91 KB)
📄 copystr.S(3.29 KB)
📄 cpu_asm-v6.S(7.88 KB)
📄 cpufunc.c(8.69 KB)
📄 cpufunc_asm.S(2.53 KB)
📄 cpufunc_asm_arm11x6.S(3.5 KB)
📄 cpufunc_asm_armv7.S(1.82 KB)
📄 cpufunc_asm_pj4b.S(3.47 KB)
📄 cpuinfo.c(14.82 KB)
📄 db_disasm.c(2.58 KB)
📄 db_interface.c(7.03 KB)
📄 db_trace.c(4.69 KB)
📄 debug_monitor.c(24 KB)
📄 disassem.c(20.16 KB)
📄 dump_machdep.c(2.95 KB)
📄 elf_machdep.c(8.8 KB)
📄 elf_note.S(1.56 KB)
📄 exception.S(14.21 KB)
📄 fiq.c(4.69 KB)
📄 fiq_subr.S(2.77 KB)
📄 fusu.S(5.61 KB)
📄 gdb_machdep.c(3.62 KB)
📄 genassym.c(5.29 KB)
📄 generic_timer.c(13.62 KB)
📄 gic.c(32.64 KB)
📄 gic.h(2.64 KB)
📄 gic_acpi.c(9.14 KB)
📄 gic_common.h(4.19 KB)
📄 gic_fdt.c(9.69 KB)
📄 hypervisor-stub.S(2.61 KB)
📄 identcpu-v6.c(10.16 KB)
📄 in_cksum.c(4.23 KB)
📄 in_cksum_arm.S(6.87 KB)
📄 locore-v6.S(14.28 KB)
📄 locore.S(1.63 KB)
📄 machdep.c(23.79 KB)
📄 machdep_boot.c(12.48 KB)
📄 machdep_intr.c(7.63 KB)
📄 machdep_kdb.c(3.77 KB)
📄 machdep_ptrace.c(8.1 KB)
📄 mem.c(5.03 KB)
📄 minidump_machdep.c(8.77 KB)
📄 mp_machdep.c(8.58 KB)
📄 mpcore_timer.c(15.71 KB)
📄 mpcore_timervar.h(2.03 KB)
📄 nexus.c(11.33 KB)
📄 nexusvar.h(1.54 KB)
📄 ofw_machdep.c(2.28 KB)
📄 pl190.c(7.63 KB)
📄 pl310.c(16.9 KB)
📄 platform.c(5.31 KB)
📄 platform_if.m(4.14 KB)
📄 platform_pl310_if.m(2.44 KB)
📄 pmap-v6.c(187.97 KB)
📄 pmu.c(3.98 KB)
📄 pmu.h(1.8 KB)
📄 pmu_fdt.c(5.87 KB)
📄 ptrace_machdep.c(1.89 KB)
📄 sc_machdep.c(2.21 KB)
📄 setcpsr.S(2.52 KB)
📄 setstack.s(3.16 KB)
📄 stack_machdep.c(2.65 KB)
📄 stdatomic.c(13.88 KB)
📄 support.S(51.78 KB)
📄 swtch-v6.S(13.07 KB)
📄 swtch.S(4.68 KB)
📄 sys_machdep.c(5.24 KB)
📄 syscall.c(5.54 KB)
📄 trap-v6.c(19.14 KB)
📄 uio_machdep.c(3.95 KB)
📄 undefined.c(9.07 KB)
📄 unwind.c(16.62 KB)
📄 vfp.c(9.1 KB)
📄 vm_machdep.c(8.38 KB)

Editing: platform.c

/*-
 * Copyright (c) 2005 Peter Grehan
 * Copyright (c) 2009 Nathan Whitehorn
 * 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.
 *
 */

#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");

/*
 * Dispatch platform calls to the appropriate platform implementation
 * through a previously registered kernel object.
 */

#include <sys/param.h>
#include <sys/bus.h>
#include <sys/kernel.h>
#include <sys/lock.h>
#include <sys/ktr.h>
#include <sys/mutex.h>
#include <sys/rman.h>
#include <sys/systm.h>
#include <sys/smp.h>
#include <sys/sysctl.h>
#include <sys/types.h>

#include <vm/vm.h>
#include <vm/vm_page.h>

#include <machine/bus_dma.h>
#include <machine/cpu.h>
#include <machine/intr.h>
#include <machine/machdep.h>
#include <machine/md_var.h>
#include <machine/platform.h>
#include <machine/platformvar.h>
#include <machine/smp.h>

#include "platform_if.h"

static platform_def_t	*plat_def_impl;
static platform_t	plat_obj;
static struct kobj_ops	plat_kernel_kops;
static struct platform_kobj	plat_kernel_obj;

static char plat_name[64];
SYSCTL_STRING(_hw, OID_AUTO, platform, CTLFLAG_RDTUN | CTLFLAG_NOFETCH, plat_name, 0,
    "Platform currently in use");

/*
 * Platform install routines. Highest priority wins, using the same
 * algorithm as bus attachment.
 */
SET_DECLARE(platform_set, platform_def_t);

static delay_func platform_delay;

platform_t
platform_obj(void)
{

return (plat_obj);
}

void
platform_probe_and_attach(void)
{
	platform_def_t	**platpp, *platp;
	int		prio, best_prio;

plat_obj = &plat_kernel_obj;
	best_prio = 0;

/*
	 * We are unable to use TUNABLE_STR as the read will happen
	 * well after this function has returned.
	 */
	TUNABLE_STR_FETCH("hw.platform", plat_name, sizeof(plat_name));

/*
	 * Try to locate the best platform kobj
	 */
	SET_FOREACH(platpp, platform_set) {
		platp = *platpp;

/*
		 * Take care of compiling the selected class, and
		 * then statically initialise the MMU object
		 */
		kobj_class_compile_static((kobj_class_t)platp,
		    &plat_kernel_kops);
		kobj_init_static((kobj_t)plat_obj, (kobj_class_t)platp);

plat_obj->cls = platp;

prio = PLATFORM_PROBE(plat_obj);

/* Check for errors */
		if (prio > 0)
			continue;

/*
		 * Check if this module was specifically requested through
		 * the loader tunable we provide.
		 */
		if (strcmp(platp->name,plat_name) == 0) {
			plat_def_impl = platp;
			break;
		}

/* Otherwise, see if it is better than our current best */
		if (plat_def_impl == NULL || prio > best_prio) {
			best_prio = prio;
			plat_def_impl = platp;
		}

/*
		 * We can't free the KOBJ, since it is static. Reset the ops
		 * member of this class so that we can come back later.
		 */
		platp->ops = NULL;
	}

if (plat_def_impl == NULL)
		panic("No platform module found!");

/*
	 * Recompile to make sure we ended with the
	 * correct one, and then attach.
	 */

kobj_class_compile_static((kobj_class_t)plat_def_impl,
	    &plat_kernel_kops);
	kobj_init_static((kobj_t)plat_obj, (kobj_class_t)plat_def_impl);

strlcpy(plat_name, plat_def_impl->name, sizeof(plat_name));

/* Set a default delay function */
	arm_set_delay(platform_delay, NULL);

PLATFORM_ATTACH(plat_obj);
}

int
platform_devmap_init(void)
{

return PLATFORM_DEVMAP_INIT(plat_obj);
}

vm_offset_t
platform_lastaddr(void)
{

return PLATFORM_LASTADDR(plat_obj);
}

void
platform_gpio_init(void)
{

PLATFORM_GPIO_INIT(plat_obj);
}

void
platform_late_init(void)
{

PLATFORM_LATE_INIT(plat_obj);
}

void
cpu_reset(void)
{

PLATFORM_CPU_RESET(plat_obj);

printf("cpu_reset failed");

intr_disable();
	while(1) {
		cpu_sleep(0);
	}
}

static void
platform_delay(int usec, void *arg __unused)
{
	int counts;

for (; usec > 0; usec--)
		for (counts = plat_obj->cls->delay_count; counts > 0; counts--)
			/*
			 * Prevent the compiler from optimizing
			 * out the loop
			 */
			cpufunc_nullop();
}

#if defined(SMP)
void
platform_mp_setmaxid(void)
{
	int ncpu;

PLATFORM_MP_SETMAXID(plat_obj);

if (TUNABLE_INT_FETCH("hw.ncpu", &ncpu)) {
		if (ncpu >= 1 && ncpu <= mp_ncpus) {
			mp_ncpus = ncpu;
			mp_maxid = ncpu - 1;
		}
	}
}

void
platform_mp_start_ap(void)
{

PLATFORM_MP_START_AP(plat_obj);
}
#endif

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Editing: platform.c

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