2008-02-16 22:13:11 +00:00
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/*-
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* Copyright (c) 2000 Benno Rice <benno@jeamland.net>
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* Copyright (c) 2000 Stephane Potvin <sepotvin@videotron.ca>
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2008-09-03 17:48:41 +00:00
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* Copyright (c) 2007-2008 Semihalf, Rafal Jaworowski <raj@semihalf.com>
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2008-02-16 22:13:11 +00:00
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHORS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#include <sys/cdefs.h>
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__FBSDID("$FreeBSD$");
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#include <stand.h>
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#include "api_public.h"
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2008-02-23 17:58:12 +00:00
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#include "bootstrap.h"
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#include "glue.h"
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#include "libuboot.h"
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2008-02-16 22:13:11 +00:00
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2014-03-11 22:02:49 +00:00
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#ifndef nitems
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#define nitems(x) (sizeof((x)) / sizeof((x)[0]))
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#endif
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2008-09-03 17:48:41 +00:00
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struct uboot_devdesc currdev;
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struct arch_switch archsw; /* MI/MD interface boundary */
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int devs_no;
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2008-02-16 22:13:11 +00:00
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2014-03-11 22:02:49 +00:00
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struct device_type {
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const char *name;
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int type;
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} device_types[] = {
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{ "disk", DEV_TYP_STOR },
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{ "ide", DEV_TYP_STOR | DT_STOR_IDE },
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{ "mmc", DEV_TYP_STOR | DT_STOR_MMC },
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{ "sata", DEV_TYP_STOR | DT_STOR_SATA },
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{ "scsi", DEV_TYP_STOR | DT_STOR_SCSI },
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{ "usb", DEV_TYP_STOR | DT_STOR_USB },
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{ "net", DEV_TYP_NET }
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};
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2008-02-16 22:13:11 +00:00
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extern char end[];
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extern char bootprog_name[];
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extern char bootprog_rev[];
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extern char bootprog_date[];
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extern char bootprog_maker[];
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extern unsigned char _etext[];
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extern unsigned char _edata[];
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extern unsigned char __bss_start[];
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extern unsigned char __sbss_start[];
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extern unsigned char __sbss_end[];
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extern unsigned char _end[];
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2010-05-25 15:21:39 +00:00
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#ifdef LOADER_FDT_SUPPORT
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extern int command_fdt_internal(int argc, char *argv[]);
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#endif
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2008-09-03 17:48:41 +00:00
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static void
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dump_sig(struct api_signature *sig)
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2008-02-16 22:13:11 +00:00
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{
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#ifdef DEBUG
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printf("signature:\n");
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printf(" version\t= %d\n", sig->version);
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printf(" checksum\t= 0x%08x\n", sig->checksum);
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printf(" sc entry\t= 0x%08x\n", sig->syscall);
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#endif
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}
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2008-09-03 17:48:41 +00:00
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2008-02-16 22:13:11 +00:00
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static void
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dump_addr_info(void)
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{
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#ifdef DEBUG
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printf("\naddresses info:\n");
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2008-09-03 17:48:41 +00:00
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printf(" _etext (sdata) = 0x%08x\n", (uint32_t)_etext);
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printf(" _edata = 0x%08x\n", (uint32_t)_edata);
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printf(" __sbss_start = 0x%08x\n", (uint32_t)__sbss_start);
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printf(" __sbss_end = 0x%08x\n", (uint32_t)__sbss_end);
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printf(" __sbss_start = 0x%08x\n", (uint32_t)__bss_start);
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printf(" _end = 0x%08x\n", (uint32_t)_end);
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printf(" syscall entry = 0x%08x\n", (uint32_t)syscall_ptr);
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2008-02-16 22:13:11 +00:00
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#endif
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}
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static uint64_t
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2008-09-03 17:48:41 +00:00
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memsize(struct sys_info *si, int flags)
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2008-02-16 22:13:11 +00:00
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{
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2008-09-03 17:48:41 +00:00
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uint64_t size;
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int i;
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2008-02-23 17:58:12 +00:00
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size = 0;
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2008-02-16 22:13:11 +00:00
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for (i = 0; i < si->mr_no; i++)
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if (si->mr[i].flags == flags && si->mr[i].size)
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2008-02-23 17:58:12 +00:00
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size += (si->mr[i].size);
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2008-02-16 22:13:11 +00:00
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2008-02-23 17:58:12 +00:00
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return (size);
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2008-02-16 22:13:11 +00:00
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}
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2008-09-03 17:48:41 +00:00
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static void
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meminfo(void)
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{
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uint64_t size;
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struct sys_info *si;
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int t[3] = { MR_ATTR_DRAM, MR_ATTR_FLASH, MR_ATTR_SRAM };
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int i;
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if ((si = ub_get_sys_info()) == NULL)
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panic("could not retrieve system info");
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for (i = 0; i < 3; i++) {
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size = memsize(si, t[i]);
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if (size > 0)
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printf("%s:\t %lldMB\n", ub_mem_type(t[i]),
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size / 1024 / 1024);
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}
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}
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2014-03-11 22:02:49 +00:00
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static const char *
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get_device_type(const char *devstr, int *devtype)
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{
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int i;
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int namelen;
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struct device_type *dt;
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if (devstr) {
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for (i = 0; i < nitems(device_types); i++) {
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dt = &device_types[i];
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namelen = strlen(dt->name);
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if (strncmp(dt->name, devstr, namelen) == 0) {
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*devtype = dt->type;
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return (devstr + namelen);
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}
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}
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printf("Unknown device type '%s'\n", devstr);
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}
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*devtype = -1;
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return (NULL);
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}
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static const char *
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device_typename(int type)
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{
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int i;
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for (i = 0; i < nitems(device_types); i++)
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if (device_types[i].type == type)
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return (device_types[i].name);
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return ("<unknown>");
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}
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/*
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* Parse a device string into type, unit, slice and partition numbers. A
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* returned value of -1 for type indicates a search should be done for the
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* first loadable device, otherwise a returned value of -1 for unit
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* indicates a search should be done for the first loadable device of the
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* given type.
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*
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* The returned values for slice and partition are interpreted by
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* disk_open().
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*
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* Valid device strings: For device types:
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*
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* <type_name> DEV_TYP_STOR, DEV_TYP_NET
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* <type_name><unit> DEV_TYP_STOR, DEV_TYP_NET
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* <type_name><unit>: DEV_TYP_STOR, DEV_TYP_NET
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* <type_name><unit>:<slice> DEV_TYP_STOR
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* <type_name><unit>:<slice>. DEV_TYP_STOR
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* <type_name><unit>:<slice>.<partition> DEV_TYP_STOR
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*
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* For valid type names, see the device_types array, above.
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*
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* Slice numbers are 1-based. 0 is a wildcard.
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*/
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static void
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get_load_device(int *type, int *unit, int *slice, int *partition)
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{
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char *devstr;
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const char *p;
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char *endp;
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devstr = ub_env_get("loaderdev");
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if (devstr == NULL)
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devstr = "";
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else
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printf("U-Boot setting: loaderdev=%s\n", devstr);
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p = get_device_type(devstr, type);
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*unit = -1;
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*slice = 0;
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*partition = -1;
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/*
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* Empty device string, or unknown device name, or a bare, known
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* device name.
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*/
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if ((*type == -1) || (*p == '\0')) {
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return;
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}
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/* Malformed unit number. */
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if (!isdigit(*p)) {
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*type = -1;
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return;
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}
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/* Guaranteed to extract a number from the string, as *p is a digit. */
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*unit = strtol(p, &endp, 10);
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p = endp;
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/* Known device name with unit number and nothing else. */
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if (*p == '\0') {
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return;
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}
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/* Device string is malformed beyond unit number. */
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if (*p != ':') {
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*type = -1;
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*unit = -1;
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return;
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}
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p++;
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/* No slice and partition specification. */
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if ('\0' == *p )
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return;
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/* Only DEV_TYP_STOR devices can have a slice specification. */
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if (!(*type & DEV_TYP_STOR)) {
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*type = -1;
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*unit = -1;
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return;
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}
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*slice = strtoul(p, &endp, 10);
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/* Malformed slice number. */
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if (p == endp) {
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*type = -1;
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*unit = -1;
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*slice = 0;
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return;
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}
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p = endp;
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/* No partition specification. */
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if (*p == '\0')
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return;
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/* Device string is malformed beyond slice number. */
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if (*p != '.') {
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*type = -1;
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*unit = -1;
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*slice = 0;
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return;
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}
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p++;
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/* No partition specification. */
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if (*p == '\0')
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return;
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*partition = strtol(p, &endp, 10);
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p = endp;
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/* Full, valid device string. */
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if (*endp == '\0')
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return;
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/* Junk beyond partition number. */
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*type = -1;
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*unit = -1;
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*slice = 0;
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*partition = -1;
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}
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static int
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probe_disks(int load_type, int load_unit, int load_slice, int load_partition)
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{
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int i, open_result, unit;
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struct open_file f;
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currdev.d_disk.slice = load_slice;
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currdev.d_disk.partition = load_partition;
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f.f_devdata = &currdev;
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open_result = -1;
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if (load_type == -1) {
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printf("Probing all storage devices...\n");
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/* Try each disk in succession until one works. */
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for (currdev.d_unit = 0; currdev.d_unit < UB_MAX_DEV;
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currdev.d_unit++) {
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printf("Checking unit=%d slice=%d partition=%d...",
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currdev.d_unit, currdev.d_disk.slice,
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currdev.d_disk.partition);
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open_result = devsw[i]->dv_open(&f, &currdev);
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if (open_result == 0) {
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printf(" good.\n");
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return (0);
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}
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printf("\n");
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}
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return (-1);
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}
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if (load_unit == -1) {
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printf("Probing all %s devices...\n", device_typename(load_type));
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/* Try each disk of given type in succession until one works. */
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for (unit = 0; unit < UB_MAX_DEV; unit++) {
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currdev.d_unit = uboot_diskgetunit(load_type, unit);
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if (currdev.d_unit == -1)
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break;
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printf("Checking unit=%d slice=%d partition=%d...",
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currdev.d_unit, currdev.d_disk.slice,
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currdev.d_disk.partition);
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open_result = devsw[i]->dv_open(&f, &currdev);
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if (open_result == 0) {
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printf(" good.\n");
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return (0);
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}
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printf("\n");
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}
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return (-1);
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}
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if ((currdev.d_unit = uboot_diskgetunit(load_type, load_unit)) != -1) {
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printf("Checking unit=%d slice=%d partition=%d...",
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currdev.d_unit, currdev.d_disk.slice,
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currdev.d_disk.partition);
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open_result = devsw[i]->dv_open(&f,&currdev);
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if (open_result == 0) {
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printf("good.\n");
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return (0);
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}
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printf("\n");
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}
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printf("Requested disk type/unit not found\n");
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return (-1);
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|
|
|
}
|
|
|
|
|
2008-02-16 22:13:11 +00:00
|
|
|
int
|
|
|
|
main(void)
|
|
|
|
{
|
|
|
|
struct api_signature *sig = NULL;
|
2014-03-11 22:02:49 +00:00
|
|
|
int load_type, load_unit, load_slice, load_partition;
|
|
|
|
int i;
|
2014-02-22 17:51:10 +00:00
|
|
|
const char * loaderdev;
|
2008-02-16 22:13:11 +00:00
|
|
|
|
2014-03-01 19:25:23 +00:00
|
|
|
/*
|
|
|
|
* If we can't find the magic signature and related info, exit with a
|
|
|
|
* unique error code that U-Boot reports as "## Application terminated,
|
|
|
|
* rc = 0xnnbadab1". Hopefully 'badab1' looks enough like "bad api" to
|
|
|
|
* provide a clue. It's better than 0xffffffff anyway.
|
|
|
|
*/
|
2008-02-16 22:13:11 +00:00
|
|
|
if (!api_search_sig(&sig))
|
2014-03-01 19:25:23 +00:00
|
|
|
return (0x01badab1);
|
2008-02-16 22:13:11 +00:00
|
|
|
|
|
|
|
syscall_ptr = sig->syscall;
|
|
|
|
if (syscall_ptr == NULL)
|
2014-03-01 19:25:23 +00:00
|
|
|
return (0x02badab1);
|
2008-02-16 22:13:11 +00:00
|
|
|
|
|
|
|
if (sig->version > API_SIG_VERSION)
|
2014-03-01 19:25:23 +00:00
|
|
|
return (0x03badab1);
|
2008-02-16 22:13:11 +00:00
|
|
|
|
|
|
|
/* Clear BSS sections */
|
|
|
|
bzero(__sbss_start, __sbss_end - __sbss_start);
|
|
|
|
bzero(__bss_start, _end - __bss_start);
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Set up console.
|
|
|
|
*/
|
|
|
|
cons_probe();
|
|
|
|
|
2008-09-03 15:39:50 +00:00
|
|
|
printf("Compatible API signature found @%x\n", (uint32_t)sig);
|
2008-02-16 22:13:11 +00:00
|
|
|
|
|
|
|
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)
|
2008-09-03 17:48:41 +00:00
|
|
|
panic("no U-Boot devices found");
|
|
|
|
printf("Number of U-Boot devices: %d\n", devs_no);
|
2008-02-16 22:13:11 +00:00
|
|
|
|
|
|
|
printf("\n");
|
|
|
|
printf("%s, Revision %s\n", bootprog_name, bootprog_rev);
|
|
|
|
printf("(%s, %s)\n", bootprog_maker, bootprog_date);
|
2008-09-03 17:48:41 +00:00
|
|
|
meminfo();
|
2008-02-16 22:13:11 +00:00
|
|
|
|
2014-03-11 22:02:49 +00:00
|
|
|
get_load_device(&load_type, &load_unit, &load_slice, &load_partition);
|
|
|
|
|
2010-05-25 09:59:53 +00:00
|
|
|
/*
|
2014-03-11 22:02:49 +00:00
|
|
|
* March through the device switch probing for things.
|
2010-05-25 09:59:53 +00:00
|
|
|
*/
|
2010-02-25 15:27:13 +00:00
|
|
|
for (i = 0; devsw[i] != NULL; i++) {
|
2010-05-25 09:59:53 +00:00
|
|
|
|
|
|
|
if (devsw[i]->dv_init == NULL)
|
|
|
|
continue;
|
|
|
|
if ((devsw[i]->dv_init)() != 0)
|
|
|
|
continue;
|
|
|
|
|
2014-03-11 22:02:49 +00:00
|
|
|
printf("Found U-Boot device: %s\n", devsw[i]->dv_name);
|
2008-02-16 22:13:11 +00:00
|
|
|
|
2014-03-11 22:02:49 +00:00
|
|
|
currdev.d_dev = devsw[i];
|
|
|
|
currdev.d_type = currdev.d_dev->dv_type;
|
|
|
|
currdev.d_unit = 0;
|
2014-02-22 17:51:10 +00:00
|
|
|
|
2014-03-11 22:02:49 +00:00
|
|
|
if ((load_type == -1 || (load_type & DEV_TYP_STOR)) &&
|
|
|
|
strcmp(devsw[i]->dv_name, "disk") == 0) {
|
|
|
|
if (probe_disks(load_type, load_unit, load_slice,
|
|
|
|
load_partition) == 0)
|
|
|
|
break;
|
|
|
|
}
|
2014-02-22 17:51:10 +00:00
|
|
|
|
2014-03-11 22:02:49 +00:00
|
|
|
if (load_type == -1 || ((load_type & DEV_TYP_NET) &&
|
|
|
|
strcmp(devsw[i]->dv_name, "net") == 0))
|
|
|
|
break;
|
|
|
|
}
|
2014-02-22 17:51:10 +00:00
|
|
|
|
2014-03-11 22:02:49 +00:00
|
|
|
/*
|
|
|
|
* If we couldn't find a boot device, return an error to u-boot.
|
|
|
|
* U-boot may be running a boot script that can try something different
|
|
|
|
* so returning an error is better than forcing a reboot.
|
|
|
|
*/
|
|
|
|
if (devsw[i] == NULL) {
|
|
|
|
printf("No boot device found!\n");
|
|
|
|
return (0xbadef1ce);
|
|
|
|
}
|
2008-02-16 22:13:11 +00:00
|
|
|
|
|
|
|
env_setenv("currdev", EV_VOLATILE, uboot_fmtdev(&currdev),
|
2008-03-13 17:54:21 +00:00
|
|
|
uboot_setcurrdev, env_nounset);
|
2008-02-16 22:13:11 +00:00
|
|
|
env_setenv("loaddev", EV_VOLATILE, uboot_fmtdev(&currdev),
|
2008-03-13 17:54:21 +00:00
|
|
|
env_noset, env_nounset);
|
2008-02-16 22:13:11 +00:00
|
|
|
|
|
|
|
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 */
|
|
|
|
|
2008-09-03 17:48:41 +00:00
|
|
|
return (0);
|
2008-02-16 22:13:11 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
COMMAND_SET(heap, "heap", "show heap usage", command_heap);
|
|
|
|
static int
|
|
|
|
command_heap(int argc, char *argv[])
|
|
|
|
{
|
2008-09-03 15:39:50 +00:00
|
|
|
|
|
|
|
printf("heap base at %p, top at %p, used %d\n", end, sbrk(0),
|
2008-03-13 17:54:21 +00:00
|
|
|
sbrk(0) - end);
|
2008-02-16 22:13:11 +00:00
|
|
|
|
2008-09-03 17:48:41 +00:00
|
|
|
return (CMD_OK);
|
2008-02-16 22:13:11 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
COMMAND_SET(reboot, "reboot", "reboot the system", command_reboot);
|
|
|
|
static int
|
|
|
|
command_reboot(int argc, char *argv[])
|
|
|
|
{
|
2008-12-17 15:58:07 +00:00
|
|
|
|
2008-02-16 22:13:11 +00:00
|
|
|
printf("Resetting...\n");
|
|
|
|
ub_reset();
|
|
|
|
|
|
|
|
printf("Reset failed!\n");
|
|
|
|
while(1);
|
|
|
|
}
|
2008-09-03 17:48:41 +00:00
|
|
|
|
|
|
|
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);
|
|
|
|
}
|
2010-05-25 15:21:39 +00:00
|
|
|
|
|
|
|
#ifdef LOADER_FDT_SUPPORT
|
|
|
|
/*
|
|
|
|
* Since proper fdt command handling function is defined in fdt_loader_cmd.c,
|
|
|
|
* and declaring it as extern is in contradiction with COMMAND_SET() macro
|
|
|
|
* (which uses static pointer), we're defining wrapper function, which
|
|
|
|
* calls the proper fdt handling routine.
|
|
|
|
*/
|
|
|
|
static int
|
|
|
|
command_fdt(int argc, char *argv[])
|
|
|
|
{
|
|
|
|
|
|
|
|
return (command_fdt_internal(argc, argv));
|
|
|
|
}
|
|
|
|
|
|
|
|
COMMAND_SET(fdt, "fdt", "flattened device tree handling", command_fdt);
|
|
|
|
#endif
|