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/*
* Copyright (c) 2001 Benno Rice
* 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 Benno Rice ``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 REGENTS 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.
*
* $FreeBSD$
*/
#include <sys/param.h>
#include <sys/types.h>
#include <stand.h>
#include "libofw.h"
#include "openfirm.h"
static void *heap_base = 0;
static unsigned int heap_size = 0;
struct ofw_mapping {
vm_offset_t va;
int len;
vm_offset_t pa;
int mode;
};
void
ofw_memmap(void)
{
phandle_t mmup;
int nmapping, i;
struct ofw_mapping mappings[256];
mmup = OF_instance_to_package(mmu);
bzero(mappings, sizeof(mappings));
nmapping = OF_getprop(mmup, "translations", mappings, sizeof(mappings));
if (nmapping == -1) {
printf("Could not get memory map (%d)\n",
nmapping);
return;
}
nmapping /= sizeof(struct ofw_mapping);
printf("%17s %17s %8s %6s\n", "Virtual Range", "Physical Range",
"#Pages", "Mode");
for (i = 0; i < nmapping; i++) {
printf("%08x-%08x %08x-%08x %8d %6x\n", mappings[i].pa,
mappings[i].pa + mappings[i].len, mappings[i].va,
mappings[i].va + mappings[i].len, mappings[i].len / 0x1000,
mappings[i].mode);
}
}
void *
ofw_alloc_heap(unsigned int size)
{
phandle_t memoryp;
struct ofw_reg available;
void *base;
memoryp = OF_instance_to_package(memory);
OF_getprop(memoryp, "available", &available, sizeof(available));
heap_base = OF_claim((void *)available.base, size, sizeof(register_t));
if (heap_base != (void *)-1) {
heap_size = size;
}
return (heap_base);
}
void
ofw_release_heap(void)
{
OF_release(heap_base, heap_size);
}
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