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/*-
* Copyright (c) 2000 Benno Rice <benno@jeamland.net>
* Copyright (c) 2000 Stephane Potvin <sepotvin@videotron.ca>
* 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 AUTHORS 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.
*
* $FreeBSD$
*/
#include <stand.h>
#include "openfirm.h"
#include "libofw.h"
#include "bootstrap.h"
struct arch_switch archsw; /* MI/MD interface boundary */
extern char end[];
extern char bootprog_name[];
extern char bootprog_rev[];
extern char bootprog_date[];
extern char bootprog_maker[];
struct ofw_reg
{
uint32_t base;
uint32_t size;
};
void
init_heap(void)
{
phandle_t chosen, memory;
ihandle_t meminstance;
struct ofw_reg available;
void * aligned_end;
chosen = OF_finddevice("/chosen");
OF_getprop(chosen, "memory", &meminstance, sizeof(meminstance));
memory = OF_instance_to_package(meminstance);
OF_getprop(memory, "available", &available, sizeof(available));
printf("available.base = 0x%08x\n", available.base);
printf("available.size = 0x%08x\n", available.size);
if (OF_claim((void *)available.base, 0x00040000, 0) ==
(void *) 0xffffffff) {
printf("Heap memory claim failed!\n");
OF_enter();
}
aligned_end = (void *)(((int)end + sizeof(int) - 1) &
~(sizeof(int) - 1));
printf("end = 0x%08x, aligned_end = 0x%08x\n", (uint32_t)end,
(uint32_t)aligned_end);
setheap((void *)aligned_end, (void *)(available.base + available.size));
}
uint32_t
memsize(void)
{
phandle_t chosen, memory;
ihandle_t meminstance;
struct ofw_reg reg;
chosen = OF_finddevice("/chosen");
OF_getprop(chosen, "memory", &meminstance, sizeof(meminstance));
memory = OF_instance_to_package(meminstance);
OF_getprop(memory, "reg", ®, sizeof(reg));
return(reg.size);
}
int
main(int (*openfirm)(void *))
{
#if 0
void * test;
#endif
int i;
/*
* Initalise the OpenFirmware routines by giving them the entry point.
*/
OF_init(openfirm);
/*
* Set up console.
*/
cons_probe();
printf(">>> hello?\n");
/*
* Initialise the heap as early as possible. Once this is done,
* alloc() is usable. The stack is buried inside us, so this is
* safe.
*/
init_heap();
/*
* Initialise the block cache
*/
bcache_init(32, 512); /* 16k XXX tune this */
/*
* March through the device switch probing for things.
*/
for(i = 0; devsw[i] != NULL; i++)
if(devsw[i]->dv_init != NULL)
(devsw[i]->dv_init)();
printf("\n");
printf("%s, Revision %s\n", bootprog_name, bootprog_rev);
printf("(%s, %s)\n", bootprog_maker, bootprog_date);
printf("Memory: %dKB\n", memsize() / 1024);
archsw.arch_getdev = ofw_getdev;
interact(); /* doesn't return */
OF_exit();
return 0;
}
COMMAND_SET(halt, "halt", "halt the system", command_halt);
static int
command_halt(int argc, char *argv[])
{
OF_exit();
return(CMD_OK);
}
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