199767f8919635c4928607450d9e0abb932109ceToomas Soome/*-
199767f8919635c4928607450d9e0abb932109ceToomas Soome * Copyright (c) 2001 Benno Rice
199767f8919635c4928607450d9e0abb932109ceToomas Soome * All rights reserved.
199767f8919635c4928607450d9e0abb932109ceToomas Soome *
199767f8919635c4928607450d9e0abb932109ceToomas Soome * Redistribution and use in source and binary forms, with or without
199767f8919635c4928607450d9e0abb932109ceToomas Soome * modification, are permitted provided that the following conditions
199767f8919635c4928607450d9e0abb932109ceToomas Soome * are met:
199767f8919635c4928607450d9e0abb932109ceToomas Soome * 1. Redistributions of source code must retain the above copyright
199767f8919635c4928607450d9e0abb932109ceToomas Soome * notice, this list of conditions and the following disclaimer.
199767f8919635c4928607450d9e0abb932109ceToomas Soome * 2. Redistributions in binary form must reproduce the above copyright
199767f8919635c4928607450d9e0abb932109ceToomas Soome * notice, this list of conditions and the following disclaimer in the
199767f8919635c4928607450d9e0abb932109ceToomas Soome * documentation and/or other materials provided with the distribution.
199767f8919635c4928607450d9e0abb932109ceToomas Soome *
199767f8919635c4928607450d9e0abb932109ceToomas Soome * THIS SOFTWARE IS PROVIDED BY Benno Rice ``AS IS'' AND
199767f8919635c4928607450d9e0abb932109ceToomas Soome * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
199767f8919635c4928607450d9e0abb932109ceToomas Soome * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
199767f8919635c4928607450d9e0abb932109ceToomas Soome * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
199767f8919635c4928607450d9e0abb932109ceToomas Soome * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
199767f8919635c4928607450d9e0abb932109ceToomas Soome * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
199767f8919635c4928607450d9e0abb932109ceToomas Soome * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
199767f8919635c4928607450d9e0abb932109ceToomas Soome * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
199767f8919635c4928607450d9e0abb932109ceToomas Soome * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
199767f8919635c4928607450d9e0abb932109ceToomas Soome * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
199767f8919635c4928607450d9e0abb932109ceToomas Soome * SUCH DAMAGE.
199767f8919635c4928607450d9e0abb932109ceToomas Soome */
199767f8919635c4928607450d9e0abb932109ceToomas Soome
199767f8919635c4928607450d9e0abb932109ceToomas Soome#include <sys/cdefs.h>
199767f8919635c4928607450d9e0abb932109ceToomas Soome__FBSDID("$FreeBSD$");
199767f8919635c4928607450d9e0abb932109ceToomas Soome
199767f8919635c4928607450d9e0abb932109ceToomas Soome#include <sys/param.h>
199767f8919635c4928607450d9e0abb932109ceToomas Soome#include <sys/types.h>
199767f8919635c4928607450d9e0abb932109ceToomas Soome
199767f8919635c4928607450d9e0abb932109ceToomas Soome#include <stand.h>
199767f8919635c4928607450d9e0abb932109ceToomas Soome
199767f8919635c4928607450d9e0abb932109ceToomas Soome#include "libofw.h"
199767f8919635c4928607450d9e0abb932109ceToomas Soome#include "openfirm.h"
199767f8919635c4928607450d9e0abb932109ceToomas Soome
199767f8919635c4928607450d9e0abb932109ceToomas Soomestatic void *heap_base = 0;
199767f8919635c4928607450d9e0abb932109ceToomas Soomestatic unsigned int heap_size = 0;
199767f8919635c4928607450d9e0abb932109ceToomas Soome
199767f8919635c4928607450d9e0abb932109ceToomas Soomestruct ofw_mapping {
199767f8919635c4928607450d9e0abb932109ceToomas Soome vm_offset_t va;
199767f8919635c4928607450d9e0abb932109ceToomas Soome int len;
199767f8919635c4928607450d9e0abb932109ceToomas Soome vm_offset_t pa;
199767f8919635c4928607450d9e0abb932109ceToomas Soome int mode;
199767f8919635c4928607450d9e0abb932109ceToomas Soome};
199767f8919635c4928607450d9e0abb932109ceToomas Soome
199767f8919635c4928607450d9e0abb932109ceToomas Soomestruct ofw_mapping2 {
199767f8919635c4928607450d9e0abb932109ceToomas Soome vm_offset_t va;
199767f8919635c4928607450d9e0abb932109ceToomas Soome int len;
199767f8919635c4928607450d9e0abb932109ceToomas Soome vm_offset_t pa_hi;
199767f8919635c4928607450d9e0abb932109ceToomas Soome vm_offset_t pa_lo;
199767f8919635c4928607450d9e0abb932109ceToomas Soome int mode;
199767f8919635c4928607450d9e0abb932109ceToomas Soome};
199767f8919635c4928607450d9e0abb932109ceToomas Soome
199767f8919635c4928607450d9e0abb932109ceToomas Soomevoid
199767f8919635c4928607450d9e0abb932109ceToomas Soomeofw_memmap(int acells)
199767f8919635c4928607450d9e0abb932109ceToomas Soome{
199767f8919635c4928607450d9e0abb932109ceToomas Soome struct ofw_mapping *mapptr;
199767f8919635c4928607450d9e0abb932109ceToomas Soome struct ofw_mapping2 *mapptr2;
199767f8919635c4928607450d9e0abb932109ceToomas Soome phandle_t mmup;
199767f8919635c4928607450d9e0abb932109ceToomas Soome int nmapping, i;
199767f8919635c4928607450d9e0abb932109ceToomas Soome u_char mappings[256 * sizeof(struct ofw_mapping2)];
199767f8919635c4928607450d9e0abb932109ceToomas Soome char lbuf[80];
199767f8919635c4928607450d9e0abb932109ceToomas Soome
199767f8919635c4928607450d9e0abb932109ceToomas Soome mmup = OF_instance_to_package(mmu);
199767f8919635c4928607450d9e0abb932109ceToomas Soome
199767f8919635c4928607450d9e0abb932109ceToomas Soome bzero(mappings, sizeof(mappings));
199767f8919635c4928607450d9e0abb932109ceToomas Soome
199767f8919635c4928607450d9e0abb932109ceToomas Soome nmapping = OF_getprop(mmup, "translations", mappings, sizeof(mappings));
199767f8919635c4928607450d9e0abb932109ceToomas Soome if (nmapping == -1) {
199767f8919635c4928607450d9e0abb932109ceToomas Soome printf("Could not get memory map (%d)\n",
199767f8919635c4928607450d9e0abb932109ceToomas Soome nmapping);
199767f8919635c4928607450d9e0abb932109ceToomas Soome return;
199767f8919635c4928607450d9e0abb932109ceToomas Soome }
199767f8919635c4928607450d9e0abb932109ceToomas Soome
199767f8919635c4928607450d9e0abb932109ceToomas Soome pager_open();
199767f8919635c4928607450d9e0abb932109ceToomas Soome if (acells == 1) {
199767f8919635c4928607450d9e0abb932109ceToomas Soome nmapping /= sizeof(struct ofw_mapping);
199767f8919635c4928607450d9e0abb932109ceToomas Soome mapptr = (struct ofw_mapping *) mappings;
199767f8919635c4928607450d9e0abb932109ceToomas Soome
199767f8919635c4928607450d9e0abb932109ceToomas Soome printf("%17s\t%17s\t%8s\t%6s\n", "Virtual Range",
199767f8919635c4928607450d9e0abb932109ceToomas Soome "Physical Range", "#Pages", "Mode");
199767f8919635c4928607450d9e0abb932109ceToomas Soome
199767f8919635c4928607450d9e0abb932109ceToomas Soome for (i = 0; i < nmapping; i++) {
199767f8919635c4928607450d9e0abb932109ceToomas Soome sprintf(lbuf, "%08x-%08x\t%08x-%08x\t%8d\t%6x\n",
199767f8919635c4928607450d9e0abb932109ceToomas Soome mapptr[i].va,
199767f8919635c4928607450d9e0abb932109ceToomas Soome mapptr[i].va + mapptr[i].len,
199767f8919635c4928607450d9e0abb932109ceToomas Soome mapptr[i].pa,
199767f8919635c4928607450d9e0abb932109ceToomas Soome mapptr[i].pa + mapptr[i].len,
199767f8919635c4928607450d9e0abb932109ceToomas Soome mapptr[i].len / 0x1000,
199767f8919635c4928607450d9e0abb932109ceToomas Soome mapptr[i].mode);
199767f8919635c4928607450d9e0abb932109ceToomas Soome if (pager_output(lbuf))
199767f8919635c4928607450d9e0abb932109ceToomas Soome break;
199767f8919635c4928607450d9e0abb932109ceToomas Soome }
199767f8919635c4928607450d9e0abb932109ceToomas Soome } else {
199767f8919635c4928607450d9e0abb932109ceToomas Soome nmapping /= sizeof(struct ofw_mapping2);
199767f8919635c4928607450d9e0abb932109ceToomas Soome mapptr2 = (struct ofw_mapping2 *) mappings;
199767f8919635c4928607450d9e0abb932109ceToomas Soome
199767f8919635c4928607450d9e0abb932109ceToomas Soome printf("%17s\t%17s\t%8s\t%6s\n", "Virtual Range",
199767f8919635c4928607450d9e0abb932109ceToomas Soome "Physical Range", "#Pages", "Mode");
199767f8919635c4928607450d9e0abb932109ceToomas Soome
199767f8919635c4928607450d9e0abb932109ceToomas Soome for (i = 0; i < nmapping; i++) {
199767f8919635c4928607450d9e0abb932109ceToomas Soome sprintf(lbuf, "%08x-%08x\t%08x-%08x\t%8d\t%6x\n",
199767f8919635c4928607450d9e0abb932109ceToomas Soome mapptr2[i].va,
199767f8919635c4928607450d9e0abb932109ceToomas Soome mapptr2[i].va + mapptr2[i].len,
199767f8919635c4928607450d9e0abb932109ceToomas Soome mapptr2[i].pa_lo,
199767f8919635c4928607450d9e0abb932109ceToomas Soome mapptr2[i].pa_lo + mapptr2[i].len,
199767f8919635c4928607450d9e0abb932109ceToomas Soome mapptr2[i].len / 0x1000,
199767f8919635c4928607450d9e0abb932109ceToomas Soome mapptr2[i].mode);
199767f8919635c4928607450d9e0abb932109ceToomas Soome if (pager_output(lbuf))
199767f8919635c4928607450d9e0abb932109ceToomas Soome break;
199767f8919635c4928607450d9e0abb932109ceToomas Soome }
199767f8919635c4928607450d9e0abb932109ceToomas Soome }
199767f8919635c4928607450d9e0abb932109ceToomas Soome pager_close();
199767f8919635c4928607450d9e0abb932109ceToomas Soome}
199767f8919635c4928607450d9e0abb932109ceToomas Soome
199767f8919635c4928607450d9e0abb932109ceToomas Soomevoid *
199767f8919635c4928607450d9e0abb932109ceToomas Soomeofw_alloc_heap(unsigned int size)
199767f8919635c4928607450d9e0abb932109ceToomas Soome{
199767f8919635c4928607450d9e0abb932109ceToomas Soome phandle_t memoryp, root;
199767f8919635c4928607450d9e0abb932109ceToomas Soome cell_t available[4];
199767f8919635c4928607450d9e0abb932109ceToomas Soome cell_t acells;
199767f8919635c4928607450d9e0abb932109ceToomas Soome
199767f8919635c4928607450d9e0abb932109ceToomas Soome root = OF_finddevice("/");
199767f8919635c4928607450d9e0abb932109ceToomas Soome acells = 1;
199767f8919635c4928607450d9e0abb932109ceToomas Soome OF_getprop(root, "#address-cells", &acells, sizeof(acells));
199767f8919635c4928607450d9e0abb932109ceToomas Soome
199767f8919635c4928607450d9e0abb932109ceToomas Soome memoryp = OF_instance_to_package(memory);
199767f8919635c4928607450d9e0abb932109ceToomas Soome OF_getprop(memoryp, "available", available, sizeof(available));
199767f8919635c4928607450d9e0abb932109ceToomas Soome
199767f8919635c4928607450d9e0abb932109ceToomas Soome heap_base = OF_claim((void *)available[acells-1], size,
199767f8919635c4928607450d9e0abb932109ceToomas Soome sizeof(register_t));
199767f8919635c4928607450d9e0abb932109ceToomas Soome
199767f8919635c4928607450d9e0abb932109ceToomas Soome if (heap_base != (void *)-1) {
199767f8919635c4928607450d9e0abb932109ceToomas Soome heap_size = size;
199767f8919635c4928607450d9e0abb932109ceToomas Soome }
199767f8919635c4928607450d9e0abb932109ceToomas Soome
199767f8919635c4928607450d9e0abb932109ceToomas Soome return (heap_base);
199767f8919635c4928607450d9e0abb932109ceToomas Soome}
199767f8919635c4928607450d9e0abb932109ceToomas Soome
199767f8919635c4928607450d9e0abb932109ceToomas Soomevoid
199767f8919635c4928607450d9e0abb932109ceToomas Soomeofw_release_heap(void)
199767f8919635c4928607450d9e0abb932109ceToomas Soome{
199767f8919635c4928607450d9e0abb932109ceToomas Soome OF_release(heap_base, heap_size);
199767f8919635c4928607450d9e0abb932109ceToomas Soome}