freebsd-dev/sys/boot/powerpc/ps3/main.c
Nathan Whitehorn 9f2c359f16 Add support for the Blu-Ray drive found in the Sony Playstation 3 and fix
some realted minor bugs in PS3 internal storage support.

Submitted by:	glevand <geoffrey.levand@mail.ru>
Approved by:	re (bz)
2011-08-14 00:20:37 +00:00

254 lines
5.5 KiB
C

/*-
* Copyright (C) 2010 Nathan Whitehorn
* Copyright (C) 2011 glevand (geoffrey.levand@mail.ru)
* 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 ``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 TOOLS GMBH 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("$FreeBSD$");
#include <stand.h>
#include <sys/param.h>
#define _KERNEL
#include <machine/cpufunc.h>
#include "bootstrap.h"
#include "lv1call.h"
#include "ps3.h"
#include "ps3devdesc.h"
struct arch_switch archsw;
extern void *_end;
extern char bootprog_name[];
extern char bootprog_rev[];
extern char bootprog_date[];
extern char bootprog_maker[];
int ps3_getdev(void **vdev, const char *devspec, const char **path);
ssize_t ps3_copyin(const void *src, vm_offset_t dest, const size_t len);
ssize_t ps3_copyout(vm_offset_t src, void *dest, const size_t len);
ssize_t ps3_readin(const int fd, vm_offset_t dest, const size_t len);
int ps3_autoload(void);
int ps3_setcurrdev(struct env_var *ev, int flags, const void *value);
static uint64_t basetb;
int
main(void)
{
uint64_t maxmem = 0;
void *heapbase;
int i, err;
struct ps3_devdesc currdev;
struct open_file f;
lv1_get_physmem(&maxmem);
ps3mmu_init(maxmem);
/*
* Set up console.
*/
cons_probe();
/*
* Set the heap to one page after the end of the loader.
*/
heapbase = (void *)(maxmem - 0x80000);
setheap(heapbase, maxmem);
/*
* March through the device switch probing for things.
*/
for (i = 0; devsw[i] != NULL; i++) {
if (devsw[i]->dv_init != NULL) {
err = (devsw[i]->dv_init)();
if (err) {
printf("\n%s: initialization failed err=%d\n",
devsw[i]->dv_name, err);
continue;
}
}
currdev.d_dev = devsw[i];
currdev.d_type = currdev.d_dev->dv_type;
if (strcmp(devsw[i]->dv_name, "cd") == 0) {
f.f_devdata = &currdev;
currdev.d_unit = 0;
if (devsw[i]->dv_open(&f, &currdev) == 0)
break;
}
if (strcmp(devsw[i]->dv_name, "disk") == 0) {
f.f_devdata = &currdev;
currdev.d_unit = 3;
currdev.d_disk.pnum = 1;
currdev.d_disk.ptype = PTYPE_GPT;
if (devsw[i]->dv_open(&f, &currdev) == 0)
break;
}
if (strcmp(devsw[i]->dv_name, "net") == 0)
break;
}
if (devsw[i] == NULL)
panic("No boot device found!");
else
printf("Boot device: %s\n", devsw[i]->dv_name);
/*
* Get timebase at boot.
*/
basetb = mftb();
archsw.arch_getdev = ps3_getdev;
archsw.arch_copyin = ps3_copyin;
archsw.arch_copyout = ps3_copyout;
archsw.arch_readin = ps3_readin;
archsw.arch_autoload = ps3_autoload;
printf("\n");
printf("%s, Revision %s\n", bootprog_name, bootprog_rev);
printf("(%s, %s)\n", bootprog_maker, bootprog_date);
printf("Memory: %lldKB\n", maxmem / 1024);
env_setenv("currdev", EV_VOLATILE, ps3_fmtdev(&currdev),
ps3_setcurrdev, env_nounset);
env_setenv("loaddev", EV_VOLATILE, ps3_fmtdev(&currdev), env_noset,
env_nounset);
setenv("LINES", "24", 1);
setenv("hw.platform", "ps3", 1);
interact(); /* doesn't return */
return (0);
}
void
ppc_exception(int code, vm_offset_t where, register_t msr)
{
mtmsr(PSL_IR | PSL_DR | PSL_RI);
printf("Exception %x at %#lx!\n", code, where);
printf("Rebooting in 5 seconds...\n");
delay(10000000);
lv1_panic(1);
}
const u_int ns_per_tick = 12;
void
exit(int code)
{
lv1_panic(code);
}
void
delay(int usecs)
{
uint64_t tb,ttb;
tb = mftb();
ttb = tb + (usecs * 1000 + ns_per_tick - 1) / ns_per_tick;
while (tb < ttb)
tb = mftb();
}
int
getsecs()
{
return ((mftb() - basetb)*ns_per_tick/1000000000);
}
time_t
time(time_t *tloc)
{
time_t rv;
rv = getsecs();
if (tloc != NULL)
*tloc = rv;
return (rv);
}
ssize_t
ps3_copyin(const void *src, vm_offset_t dest, const size_t len)
{
bcopy(src, (void *)dest, len);
return (len);
}
ssize_t
ps3_copyout(vm_offset_t src, void *dest, const size_t len)
{
bcopy((void *)src, dest, len);
return (len);
}
ssize_t
ps3_readin(const int fd, vm_offset_t dest, const size_t len)
{
void *buf;
size_t resid, chunk, get;
ssize_t got;
vm_offset_t p;
p = dest;
chunk = min(PAGE_SIZE, len);
buf = malloc(chunk);
if (buf == NULL) {
printf("ps3_readin: buf malloc failed\n");
return(0);
}
for (resid = len; resid > 0; resid -= got, p += got) {
get = min(chunk, resid);
got = read(fd, buf, get);
if (got <= 0) {
if (got < 0)
printf("ps3_readin: read failed\n");
break;
}
bcopy(buf, (void *)p, got);
}
free(buf);
return (len - resid);
}
int
ps3_autoload(void)
{
return (0);
}