+// SPDX-License-Identifier: BSD-3-Clause
/*
* This file is part of the libpayload project.
*
* Copyright (C) 2008 Advanced Micro Devices, Inc.
* Copyright (C) 2009 coresystems GmbH
- *
- * 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.
- * 3. The name of the author may not be used to endorse or promote products
- * derived from this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 <common.h>
-#include <asm/arch-coreboot/ipchecksum.h>
-#include <asm/arch-coreboot/sysinfo.h>
-#include <asm/arch-coreboot/tables.h>
+#include <net.h>
+#include <asm/arch/sysinfo.h>
/*
* This needs to be in the .data section so that it's copied over during
*info = (char *)((struct cb_string *)ptr)->string;
}
+__weak void cb_parse_unhandled(u32 tag, unsigned char *ptr)
+{
+}
+
static int cb_parse_header(void *addr, int len, struct sysinfo_t *info)
{
+ unsigned char *ptr = addr;
struct cb_header *header;
- unsigned char *ptr = (unsigned char *)addr;
int i;
- for (i = 0; i < len; i += 16, ptr += 16) {
- header = (struct cb_header *)ptr;
- if (!strncmp((const char *)header->signature, "LBIO", 4))
- break;
- }
-
- /* We walked the entire space and didn't find anything. */
- if (i >= len)
- return -1;
-
+ header = (struct cb_header *)ptr;
if (!header->table_bytes)
return 0;
/* Make sure the checksums match. */
- if (ipchksum((u16 *) header, sizeof(*header)) != 0)
+ if (!ip_checksum_ok(header, sizeof(*header)))
return -1;
- if (ipchksum((u16 *) (ptr + sizeof(*header)),
- header->table_bytes) != header->table_checksum)
+ if (compute_ip_checksum(ptr + sizeof(*header), header->table_bytes) !=
+ header->table_checksum)
return -1;
/* Now, walk the tables. */
case CB_TAG_VBNV:
cb_parse_vbnv(ptr, info);
break;
+ default:
+ cb_parse_unhandled(rec->tag, ptr);
+ break;
}
ptr += rec->size;
int get_coreboot_info(struct sysinfo_t *info)
{
- int ret = cb_parse_header((void *)0x00000000, 0x1000, info);
+ long addr;
+ int ret;
- if (ret != 1)
- ret = cb_parse_header((void *)0x000f0000, 0x1000, info);
+ addr = locate_coreboot_table();
+ if (addr < 0)
+ return addr;
+ ret = cb_parse_header((void *)addr, 0x1000, info);
- return (ret == 1) ? 0 : -1;
+ return ret == 1 ? 0 : -ENOENT;
}