fw_info

这是一个用于显示 bnx2 固件文件信息的简单工具（git 固件仓库）。

固件文件名必须包含“rv2p”或“mips”以标识固件类型。

示例：

./fw_info ./bnx2_bnx2-rv2p-06-6.0.15.fw

./fw_info ./bnx2_bnx2-mips-06-6.2.3.fw

代码

/*
 * Copyright (C) 2012 Daniel Wyatt <Daniel.Wyatt@gmail.com>.
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License as
 * published by the Free Software Foundation; either version 2 of the
 * License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful, but
 * WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
 * 02110-1301, USA.
 */
#include <stdio.h>
#include <stdint.h>
#include <utils.h>

typedef uint32_t __be32;

struct bnx2_fw_file_section {
    __be32 addr;
    __be32 len;
    __be32 offset;
} __attribute__ ((__packed__));

struct bnx2_rv2p_fw_file_entry {
    struct bnx2_fw_file_section rv2p;
    __be32 fixup[8];
} __attribute__ ((__packed__));

struct bnx2_rv2p_fw_file {
    struct bnx2_rv2p_fw_file_entry proc1;
    struct bnx2_rv2p_fw_file_entry proc2;
} __attribute__ ((__packed__));

struct bnx2_mips_fw_file_entry {
    __be32 start_addr;
    struct bnx2_fw_file_section text;
    struct bnx2_fw_file_section data;
    struct bnx2_fw_file_section rodata;
} __attribute__ ((__packed__));

struct bnx2_mips_fw_file {
    struct bnx2_mips_fw_file_entry com;
    struct bnx2_mips_fw_file_entry cp;
    struct bnx2_mips_fw_file_entry rxp;
    struct bnx2_mips_fw_file_entry tpat;
    struct bnx2_mips_fw_file_entry txp;
} __attribute__ ((__packed__));

void print_indent ( int indent ) {
    int i;
    for ( i = 0; i < indent; i++ ) {
        printf ( "    " );
    }
}

void section_info ( struct bnx2_fw_file_section *section, int indent ) {
    print_indent ( indent );
    printf ( "addr  : 0x%08X\n", be32_to_cpu ( section->addr ) );
    print_indent ( indent );
    printf ( "len   : 0x%08X\n", be32_to_cpu ( section->len ) );
    print_indent ( indent );
    printf ( "offset: 0x%08X\n", be32_to_cpu ( section->offset ) );
}

void mips_entry_info ( struct bnx2_mips_fw_file_entry *e ) {
    print_indent ( 1 );
    printf ( "start addr: 0x%08X\n", be32_to_cpu ( e->start_addr ) );
    print_indent ( 1 );
    printf ( ".text:\n" );
    section_info ( &e->text, 2 );

    print_indent ( 1 );
    printf ( ".data:\n" );
    section_info ( &e->data, 2 );

    print_indent ( 1 );
    printf ( ".rodata:\n" );
    section_info ( &e->rodata, 2 );
}

void mips_info ( struct bnx2_mips_fw_file *f ) {
    printf ( "MIPS firmware\n" );
    printf ( "COM (Completion Processor):\n");
    mips_entry_info ( &f->com );
    printf ( "CP (Command Processor):\n");
    mips_entry_info ( &f->cp );
    printf ( "RXP (RX Processor):\n");
    mips_entry_info ( &f->rxp );
    printf ( "TPAT (TX Patch-up Processor):\n");
    mips_entry_info ( &f->tpat );
    printf ( "TXP (TX Processor):\n");
    mips_entry_info ( &f->txp );
}

void rv2p_info ( struct bnx2_rv2p_fw_file *f ) {
    printf ( "RV2P firmware\n" );
    printf ( "proc1:\n" );
    section_info ( &f->proc1.rv2p, 1 );

    printf ( "proc2:\n" );
    section_info ( &f->proc2.rv2p, 1 );
}

int main ( int argc, char *argv[] ) {
    FILE *fp;
    struct bnx2_rv2p_fw_file rv2p_fw;
    struct bnx2_mips_fw_file mips_fw;
    if ( argc != 2 ) {
        fprintf ( stderr, "Usage: %s <firmware.fw>\n", argv[0] );
        return 1;
    }
    fp = fopen ( argv[1], "rb" );
    if ( ! fp ) {
        fprintf ( stderr, "Failed to open file '%s'\n", argv[1] );
        return 1;
    }
    if ( strstr ( argv[1], "rv2p" ) ) {
        if ( fread ( &rv2p_fw, sizeof(rv2p_fw), 1, fp ) != 1 ) {
            fprintf ( stderr, "I/O error on file '%s'\n", argv[1]);
            return 1;
        }
        rv2p_info ( &rv2p_fw );
    }
    else if ( strstr ( argv[1], "mips" ) ) {
        if ( fread ( &mips_fw, sizeof(mips_fw), 1, fp ) != 1 ) {
            fprintf ( stderr, "I/O error on file '%s'\n", argv[1]);
            return 1;
        }
        mips_info ( &mips_fw );
    } else {
        fprintf ( stderr, "Filename '%s' unrecognized, should contain 'rv2p' or 'mips'\n", argv[1] );
        return 1;
    }
    return 0;
}