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/* $Id: gen_fw.c,v 1.4 2003/12/27 00:03:35 jal2 Exp $ */
/* This file includes the old style firmwares and outputs new, binary files. */
#include <stdio.h>
#include <assert.h>
typedef unsigned char u8;
typedef unsigned int u32;
#define BOARDTYPE_503_INTERSIL_3861 1
#define BOARDTYPE_503_INTERSIL_3863 2
#define BOARDTYPE_503_RFMD 3
#define BOARDTYPE_503_RFMD_ACC 4
#define BOARDTYPE_505_RFMD 5
#define BOARDTYPE_505_RFMD_2958 6
#include "fw-rfmd-0.90.2-140.h"
u8 intfw_503rfmd_0_90_2[] = FW_503RFMD_INTERNAL;
u8 extfw_503rfmd_0_90_2[] = FW_503RFMD_EXTERNAL;
#undef FW_503RFMD_INTERNAL
#undef FW_503RFMD_EXTERNAL
#include "fw-rfmd-1.101.0-84.h"
#include "fw-rfmd-acc-1.101.0-84.h"
#include "fw-i3861.h"
#include "fw-i3863.h"
#include "fw-r505.h"
#include "fw-505rfmd2958-1.101.0-86.h"
/* The struct of the firmware header: */
typedef struct {
u32 crc; // CRC32 of the whole image (seed ~0, no post-process)
u32 board_id; // BOARDTYPE_xxx
u32 version; // firmware version code
u32 str_offset; // printable string offset (copyright)
u32 internal_offset; // internal firmware image offset
u32 internal_len; // internal firmawre image len
u32 external_offset; // external firmware image offset
u32 external_len; // external firmware image len
} at76c50x_fw_t __attribute__((packed));
#define cpu_to_le32(x) (x)
// round to next multiple of four
#define QUAD(x) ((x) % 4 ? (x) + (4 - ((x)%4)) : (x))
u8 intfw_503rfmd[] = FW_503RFMD_INTERNAL;
u8 extfw_503rfmd[] = FW_503RFMD_EXTERNAL;
u8 intfw_503rfmd_acc[] = FW_503RFMD_ACC_INTERNAL;
u8 extfw_503rfmd_acc[] = FW_503RFMD_ACC_EXTERNAL;
u8 intfw_i3861[] = FW_I3861_INTERNAL;
u8 extfw_i3861[] = FW_I3861_EXTERNAL;
u8 intfw_i3863[] = FW_I3863_INTERNAL;
u8 extfw_i3863[] = FW_I3863_EXTERNAL;
u8 intfw_505rfmd[] = FW_505RFMD_INTERNAL;
u8 extfw_505rfmd[] = FW_505RFMD_EXTERNAL;
u8 intfw_505rfmd2958[] = FW_505RFMD2958_INTERNAL;
u8 extfw_505rfmd2958[] = FW_505RFMD2958_EXTERNAL;
struct fw {
const char *filename;
u32 board_id;
u32 version;
const char *str_id;
u8 *intfw;
u32 intfw_sz;
u8 *extfw;
u32 extfw_sz;
} fws[] = {
{ "at76c503-rfmd-0.90.2-140-fw", BOARDTYPE_503_RFMD,
0x01650054, "0.90.2-140 503 RFMD "
"Copyright (c) 1999-2000 by Atmel Corporation",
intfw_503rfmd_0_90_2, sizeof(intfw_503rfmd_0_90_2),
extfw_503rfmd_0_90_2, sizeof(extfw_503rfmd_0_90_2)},
{ "at76c503-rfmd-fw", BOARDTYPE_503_RFMD,
0x01650054, "1.101.0-84 503 RFMD "
"Copyright (c) 1999-2000 by Atmel Corporation",
intfw_503rfmd, sizeof(intfw_503rfmd),
extfw_503rfmd, sizeof(extfw_503rfmd)},
{ "at76c503-rfmd-acc-fw", BOARDTYPE_503_RFMD_ACC,
0x01650054, "1.101.0-84 503 RFMD Accton design "
"Copyright (c) 1999-2000 by Atmel Corporation",
intfw_503rfmd_acc, sizeof(intfw_503rfmd_acc),
extfw_503rfmd_acc, sizeof(extfw_503rfmd_acc)},
{ "at76c503-i3861-fw", BOARDTYPE_503_INTERSIL_3861,
0x005a002c, "0.90.0-44 Intersil 3861 "
"Copyright (c) 1999-2000 by Atmel Corporation",
intfw_i3861, sizeof(intfw_i3861),
extfw_i3861, sizeof(extfw_i3861)},
{ "at76c503-i3863-fw", BOARDTYPE_503_INTERSIL_3863,
0x005a002c, "0.90.0-44 Intersil 3863 "
"Copyright (c) 1999-2000 by Atmel Corporation",
intfw_i3863, sizeof(intfw_i3863),
extfw_i3863, sizeof(extfw_i3863)},
{ "at76c505-rfmd-fw", BOARDTYPE_505_RFMD,
0x005b0004, "0.91.0-4 505 RFMD "
"Copyright (c) 1999-2000 by Atmel Corporation",
intfw_505rfmd, sizeof(intfw_505rfmd),
extfw_505rfmd, sizeof(extfw_505rfmd)},
{ "at76c505-rfmd2958-fw", BOARDTYPE_505_RFMD_2958,
0x01650056, "1.101.0-86 505 RFMD2958 "
"Copyright (c) 1999-2000 by Atmel Corporation",
intfw_505rfmd2958, sizeof(intfw_505rfmd2958),
extfw_505rfmd2958, sizeof(extfw_505rfmd2958)},
};
int nr_fws = sizeof(fws) / sizeof(struct fw);
const u8 zeros[] = {0,0,0};
#define _CRCPOLY_LE 0xedb88320
static u32 crc32 (u32 crc, u8 const *p, size_t len)
{
int i;
while (len--) {
crc ^= *p++;
for (i = 0; i < 8; i++)
crc = (crc >> 1) ^ ((crc & 1) ? _CRCPOLY_LE : 0);
}
return crc;
}
int main(void)
{
int i;
u32 val, offs;
FILE *f;
struct fw *fw;
at76c50x_fw_t hd;
for(i=0,fw=fws; i < nr_fws; fw++,i++) {
if ((f=fopen(fw->filename, "w")) == NULL) {
fprintf(stderr,"#ERR cannot open %s for writing (errno %m)\n",
fw->filename);
continue;
}
hd.crc = ~0; /* the initial seed */
hd.board_id = cpu_to_le32(fw->board_id);
hd.version = cpu_to_le32(fw->version);
// string area starts after header
hd.str_offset = cpu_to_le32(sizeof(at76c50x_fw_t));
hd.internal_offset = hd.str_offset + strlen(fw->str_id) + 1;
hd.internal_offset = QUAD(hd.internal_offset);
hd.internal_len = fw->intfw_sz;
hd.external_offset = hd.internal_offset + hd.internal_len;
hd.external_offset = QUAD(hd.external_offset);
hd.external_len = fw->extfw_sz;
/* calc crc */
/* the header */
hd.crc = crc32(hd.crc, (u8 *)&hd.board_id, 0x20-0x4);
/* the string */
hd.crc = crc32(hd.crc, fw->str_id, strlen(fw->str_id) +1);
/* zeros in gap */
hd.crc = crc32(hd.crc, zeros, hd.internal_offset -
(hd.str_offset + strlen(fw->str_id) + 1));
/* internal fw */
hd.crc = crc32(hd.crc, fw->intfw, fw->intfw_sz);
/* zeros in gap */
hd.crc = crc32(hd.crc, zeros, hd.external_offset -
(hd.internal_offset + fw->intfw_sz));
/* external fw */
hd.crc = crc32(hd.crc, fw->extfw, fw->extfw_sz);
#define FWRITE(ptr,len,fp) \
if (len > 0) {\
if (fwrite(ptr,len,1,fp) < 1) {\
fprintf(stderr,"#ERR failed to write %d bytes, errno %m\n", len);\
fclose(fp);\
continue;\
}\
}
FWRITE((u8 *)&hd, sizeof(hd),f);
FWRITE(fw->str_id, strlen(fw->str_id)+1, f);
FWRITE(zeros, hd.internal_offset -
(hd.str_offset + strlen(fw->str_id) + 1), f);
FWRITE(fw->intfw, fw->intfw_sz, f);
FWRITE(zeros, hd.external_offset -
(hd.internal_offset + fw->intfw_sz), f);
FWRITE(fw->extfw, fw->extfw_sz, f);
fclose(f);
}
return 0;
}
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