261 lines
6.4 KiB
C
261 lines
6.4 KiB
C
/*-
|
|
* Copyright (c) 2000 Benno Rice <benno@jeamland.net>
|
|
* Copyright (c) 2000 Stephane Potvin <sepotvin@videotron.ca>
|
|
* Copyright (c) 2007-2008 Semihalf, Rafal Jaworowski <raj@semihalf.com>
|
|
* 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.
|
|
*/
|
|
|
|
#include <sys/cdefs.h>
|
|
__FBSDID("$FreeBSD$");
|
|
|
|
#include <stand.h>
|
|
|
|
#include "api_public.h"
|
|
#include "bootstrap.h"
|
|
#include "glue.h"
|
|
#include "libuboot.h"
|
|
|
|
struct uboot_devdesc currdev;
|
|
struct arch_switch archsw; /* MI/MD interface boundary */
|
|
int devs_no;
|
|
|
|
extern char end[];
|
|
extern char bootprog_name[];
|
|
extern char bootprog_rev[];
|
|
extern char bootprog_date[];
|
|
extern char bootprog_maker[];
|
|
|
|
extern unsigned char _etext[];
|
|
extern unsigned char _edata[];
|
|
extern unsigned char __bss_start[];
|
|
extern unsigned char __sbss_start[];
|
|
extern unsigned char __sbss_end[];
|
|
extern unsigned char _end[];
|
|
|
|
static void
|
|
dump_sig(struct api_signature *sig)
|
|
{
|
|
#ifdef DEBUG
|
|
printf("signature:\n");
|
|
printf(" version\t= %d\n", sig->version);
|
|
printf(" checksum\t= 0x%08x\n", sig->checksum);
|
|
printf(" sc entry\t= 0x%08x\n", sig->syscall);
|
|
#endif
|
|
}
|
|
|
|
static void
|
|
dump_addr_info(void)
|
|
{
|
|
#ifdef DEBUG
|
|
printf("\naddresses info:\n");
|
|
printf(" _etext (sdata) = 0x%08x\n", (uint32_t)_etext);
|
|
printf(" _edata = 0x%08x\n", (uint32_t)_edata);
|
|
printf(" __sbss_start = 0x%08x\n", (uint32_t)__sbss_start);
|
|
printf(" __sbss_end = 0x%08x\n", (uint32_t)__sbss_end);
|
|
printf(" __sbss_start = 0x%08x\n", (uint32_t)__bss_start);
|
|
printf(" _end = 0x%08x\n", (uint32_t)_end);
|
|
printf(" syscall entry = 0x%08x\n", (uint32_t)syscall_ptr);
|
|
#endif
|
|
}
|
|
|
|
static uint64_t
|
|
memsize(struct sys_info *si, int flags)
|
|
{
|
|
uint64_t size;
|
|
int i;
|
|
|
|
size = 0;
|
|
for (i = 0; i < si->mr_no; i++)
|
|
if (si->mr[i].flags == flags && si->mr[i].size)
|
|
size += (si->mr[i].size);
|
|
|
|
return (size);
|
|
}
|
|
|
|
static void
|
|
meminfo(void)
|
|
{
|
|
uint64_t size;
|
|
struct sys_info *si;
|
|
int t[3] = { MR_ATTR_DRAM, MR_ATTR_FLASH, MR_ATTR_SRAM };
|
|
int i;
|
|
|
|
if ((si = ub_get_sys_info()) == NULL)
|
|
panic("could not retrieve system info");
|
|
|
|
for (i = 0; i < 3; i++) {
|
|
size = memsize(si, t[i]);
|
|
if (size > 0)
|
|
printf("%s:\t %lldMB\n", ub_mem_type(t[i]),
|
|
size / 1024 / 1024);
|
|
}
|
|
}
|
|
|
|
int
|
|
main(void)
|
|
{
|
|
struct api_signature *sig = NULL;
|
|
int i;
|
|
|
|
if (!api_search_sig(&sig))
|
|
return (-1);
|
|
|
|
syscall_ptr = sig->syscall;
|
|
if (syscall_ptr == NULL)
|
|
return (-2);
|
|
|
|
if (sig->version > API_SIG_VERSION)
|
|
return (-3);
|
|
|
|
/* Clear BSS sections */
|
|
bzero(__sbss_start, __sbss_end - __sbss_start);
|
|
bzero(__bss_start, _end - __bss_start);
|
|
|
|
/*
|
|
* Set up console.
|
|
*/
|
|
cons_probe();
|
|
|
|
printf("Compatible API signature found @%x\n", (uint32_t)sig);
|
|
|
|
dump_sig(sig);
|
|
dump_addr_info();
|
|
|
|
/*
|
|
* Initialise the heap as early as possible. Once this is done,
|
|
* alloc() is usable. The stack is buried inside us, so this is
|
|
* safe.
|
|
*/
|
|
setheap((void *)end, (void *)(end + 512 * 1024));
|
|
|
|
/*
|
|
* Enumerate U-Boot devices
|
|
*/
|
|
if ((devs_no = ub_dev_enum()) == 0)
|
|
panic("no U-Boot devices found");
|
|
printf("Number of U-Boot devices: %d\n", devs_no);
|
|
|
|
/*
|
|
* 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);
|
|
meminfo();
|
|
|
|
/* XXX only support netbooting for now */
|
|
for (i = 0; devsw[i] != NULL; i++)
|
|
if (strncmp(devsw[i]->dv_name, "net",
|
|
strlen(devsw[i]->dv_name)) == 0)
|
|
break;
|
|
|
|
if (devsw[i] == NULL)
|
|
panic("no network devices?!");
|
|
|
|
currdev.d_dev = devsw[i];
|
|
currdev.d_type = currdev.d_dev->dv_type;
|
|
currdev.d_unit = 0;
|
|
|
|
env_setenv("currdev", EV_VOLATILE, uboot_fmtdev(&currdev),
|
|
uboot_setcurrdev, env_nounset);
|
|
env_setenv("loaddev", EV_VOLATILE, uboot_fmtdev(&currdev),
|
|
env_noset, env_nounset);
|
|
|
|
setenv("LINES", "24", 1); /* optional */
|
|
setenv("prompt", "loader>", 1);
|
|
|
|
archsw.arch_getdev = uboot_getdev;
|
|
archsw.arch_copyin = uboot_copyin;
|
|
archsw.arch_copyout = uboot_copyout;
|
|
archsw.arch_readin = uboot_readin;
|
|
archsw.arch_autoload = uboot_autoload;
|
|
|
|
interact(); /* doesn't return */
|
|
|
|
return (0);
|
|
}
|
|
|
|
|
|
COMMAND_SET(heap, "heap", "show heap usage", command_heap);
|
|
static int
|
|
command_heap(int argc, char *argv[])
|
|
{
|
|
|
|
printf("heap base at %p, top at %p, used %d\n", end, sbrk(0),
|
|
sbrk(0) - end);
|
|
|
|
return (CMD_OK);
|
|
}
|
|
|
|
COMMAND_SET(reboot, "reboot", "reboot the system", command_reboot);
|
|
static int
|
|
command_reboot(int argc, char *argv[])
|
|
{
|
|
|
|
printf("Resetting...\n");
|
|
ub_reset();
|
|
|
|
printf("Reset failed!\n");
|
|
while(1);
|
|
}
|
|
|
|
COMMAND_SET(devinfo, "devinfo", "show U-Boot devices", command_devinfo);
|
|
static int
|
|
command_devinfo(int argc, char *argv[])
|
|
{
|
|
int i;
|
|
|
|
if ((devs_no = ub_dev_enum()) == 0) {
|
|
command_errmsg = "no U-Boot devices found!?";
|
|
return (CMD_ERROR);
|
|
}
|
|
|
|
printf("U-Boot devices:\n");
|
|
for (i = 0; i < devs_no; i++) {
|
|
ub_dump_di(i);
|
|
printf("\n");
|
|
}
|
|
return (CMD_OK);
|
|
}
|
|
|
|
COMMAND_SET(sysinfo, "sysinfo", "show U-Boot system info", command_sysinfo);
|
|
static int
|
|
command_sysinfo(int argc, char *argv[])
|
|
{
|
|
struct sys_info *si;
|
|
|
|
if ((si = ub_get_sys_info()) == NULL) {
|
|
command_errmsg = "could not retrieve U-Boot sys info!?";
|
|
return (CMD_ERROR);
|
|
}
|
|
|
|
printf("U-Boot system info:\n");
|
|
ub_dump_si(si);
|
|
return (CMD_OK);
|
|
}
|