/*
 * Miscellaneous flash commands (fc-loadtool) are implemented here
 */

#include <sys/types.h>
#include <stdio.h>
#include <stdint.h>
#include <string.h>
#include <strings.h>
#include <stdlib.h>
#include "flash.h"

extern struct flash_bank_info flash_bank_info[2];

flashcmd_blankchk(argc, argv, bank)
	char **argv;
{
	struct flash_bank_info *bi;
	u_long offset, len;
	char *strtoul_endp;
	char *targv[4], targ_start[10], targ_len[10];

	if (argc != 4) {
inv:		fprintf(stderr, "usage: %s %s hex-start-offset hex-length\n",
			argv[0], argv[1]);
		return(-1);
	}
	offset = strtoul(argv[2], &strtoul_endp, 16);
	if (*strtoul_endp)
		goto inv;
	if (flash_detect(bank, 0) < 0)
		return(-1);
	bi = flash_bank_info + bank;
	if (offset >= bi->geom->total_size) {
		fprintf(stderr,
		"error: specified offset exceeds flash bank size (0x%lx)\n",
			(u_long) bi->geom->total_size);
		return(-1);
	}
	len = strtoul(argv[3], &strtoul_endp, 16);
	if (*strtoul_endp)
		goto inv;
	if (len > bi->geom->total_size - offset) {
		fprintf(stderr,
	"error: specified offset+length exceed flash bank size (0x%lx)\n",
			(u_long) bi->geom->total_size);
		return(-1);
	}
	/* reset flash to read mode */
	if (bi->ops->reset_cmd(bi) < 0)
		return(-1);
	sprintf(targ_start, "%lx", (u_long) bi->base_addr + offset);
	sprintf(targ_len, "%lx", len);
	targv[0] = "blankchk";
	targv[1] = targ_start;
	targv[2] = targ_len;
	targv[3] = 0;
	tpinterf_make_cmd(targv);
	if (tpinterf_send_cmd() < 0)
		return(-1);
	return tpinterf_pass_output(10);	/* 10 s timeout */
}

flashcmd_dump2file(argc, argv, bank)
	char **argv;
{
	struct flash_bank_info *bi;
	u_long offset, dumplen, maxlen;
	char *strtoul_endp;
	int format;

	if (argc < 3 || argc > 5) {
inv:		fprintf(stderr, "usage: %s %s outfile [offset [length]]\n",
			argv[0], argv[1]);
		return(-1);
	}
	if (flash_detect(bank, 0) < 0)
		return(-1);
	bi = flash_bank_info + bank;
	if (argc >= 4) {
		offset = strtoul(argv[3], &strtoul_endp, 16);
		if (*strtoul_endp)
			goto inv;
		if (offset >= bi->geom->total_size) {
			fprintf(stderr,
		"error: specified offset exceeds flash bank size (0x%lx)\n",
				(u_long) bi->geom->total_size);
			return(-1);
		}
	} else
		offset = 0;
	maxlen = bi->geom->total_size - offset;
	if (argc >= 5) {
		dumplen = strtoul(argv[4], &strtoul_endp, 16);
		if (*strtoul_endp)
			goto inv;
		if (dumplen > maxlen) {
			fprintf(stderr,
	"error: specified offset+length exceed flash bank size (0x%lx)\n",
				(u_long) bi->geom->total_size);
			return(-1);
		}
	} else
		dumplen = maxlen;
	switch (argv[1][5]) {
	case 'b':
		format = 0;
		break;
	case 's':
		format = 1;
		break;
	default:
		fprintf(stderr,
			"internal bug: bad format in flashcmd_dump2file()\n");
		return(-1);
	}
	/* reset flash to read mode */
	if (bi->ops->reset_cmd(bi) < 0)
		return(-1);
	return loadtool_memdump(bi->base_addr + offset, dumplen, argv[2],
				format);
}

flashcmd_erase(argc, argv, bank)
	char **argv;
{
	struct flash_bank_info *bi;
	u_long offset, len;
	char *strtoul_endp;
	struct sector_info *startsec, *endsec, *sp;
	int stat;

	if (argc != 4) {
inv:		fprintf(stderr, "usage: %s %s hex-start-offset hex-length\n",
			argv[0], argv[1]);
		return(-1);
	}
	offset = strtoul(argv[2], &strtoul_endp, 16);
	if (*strtoul_endp)
		goto inv;
	if (flash_detect(bank, 0) < 0)
		return(-1);
	bi = flash_bank_info + bank;
	if (offset >= bi->geom->total_size) {
		fprintf(stderr,
		"error: specified offset exceeds flash bank size (0x%lx)\n",
			(u_long) bi->geom->total_size);
		return(-1);
	}
	len = strtoul(argv[3], &strtoul_endp, 16);
	if (*strtoul_endp)
		goto inv;
	if (len > bi->geom->total_size - offset) {
		fprintf(stderr,
	"error: specified offset+length exceed flash bank size (0x%lx)\n",
			(u_long) bi->geom->total_size);
		return(-1);
	}
	if (!len) {
		printf("Zero length specified - nothing to do!\n");
		return(0);
	}
	/* now enforce sector alignment for both offset and length */
	if (get_flash_sector_table(bank) < 0)
		return(-1);
	if (get_flash_sector_range(bi, offset, len, &startsec, &endsec) < 0)
		return(-1);
	printf("Erasing %d sector(s)\n", endsec - startsec);
	for (sp = startsec; sp < endsec; sp++) {
		stat = bi->ops->erase_sector(bi, sp);
		if (stat)
			return(stat);
		putchar('.');
		fflush(stdout);
	}
	putchar('\n');
	return(0);
}

flashcmd_quickprog(argc, argv, bank)
	char **argv;
{
	struct flash_bank_info *bi;
	char *targv[4], targ_base[10];
	int stat;

	if (argc != 4) {
		fprintf(stderr, "usage: %s %s hex-offset hex-data-string\n",
			argv[0], argv[1]);
		return(-1);
	}
	if (flash_detect(bank, 0) < 0)
		return(-1);
	bi = flash_bank_info + bank;
	sprintf(targ_base, "%lx", (u_long) bi->base_addr);
	targv[0] = bi->ops->loadagent_setbase_cmd;
	targv[1] = targ_base;
	targv[2] = 0;
	tpinterf_make_cmd(targv);
	if (tpinterf_send_cmd() < 0)
		return(-1);
	stat = tpinterf_pass_output(1);
	if (stat)
		return(stat);
	targv[0] = bi->ops->loadagent_program_cmd;
	targv[1] = argv[2];
	targv[2] = argv[3];
	targv[3] = 0;
	if (tpinterf_make_cmd(targv) < 0) {
		fprintf(stderr,
			"error: unable to form AMFW/INFW target command\n");
		return(-1);
	}
	if (tpinterf_send_cmd() < 0)
		return(-1);
	return tpinterf_pass_output(1);
}

flashcmd_reset(argc, argv, bank)
	char **argv;
{
	struct flash_bank_info *bi;

	if (argc > 2) {
		fprintf(stderr, "error: too many arguments\n");
		return(-1);
	}
	if (flash_detect(bank, 0) < 0)
		return(-1);
	bi = flash_bank_info + bank;
	return bi->ops->reset_cmd(bi);
}

flashcmd_status(argc, argv, bank)
	char **argv;
{
	struct flash_bank_info *bi;

	if (argc > 2) {
		fprintf(stderr, "error: too many arguments\n");
		return(-1);
	}
	if (flash_detect(bank, 0) < 0)
		return(-1);
	bi = flash_bank_info + bank;
	return bi->ops->status_cmd(bi);
}

flashcmd_unlock(argc, argv, bank)
	char **argv;
{
	struct flash_bank_info *bi;
	u_long offset, len;
	char *strtoul_endp;
	struct sector_info *startsec, *endsec, *sp;
	int stat;

	if (flash_detect(bank, 0) < 0)
		return(-1);
	bi = flash_bank_info + bank;
	if (!bi->ops->needs_unlock) {
		fprintf(stderr,
		      "This operation is not applicable to AMD-style flash\n");
		return(-1);
	}
	if (argc != 4) {
inv:		fprintf(stderr, "usage: %s %s hex-start-offset hex-length\n",
			argv[0], argv[1]);
		return(-1);
	}
	offset = strtoul(argv[2], &strtoul_endp, 16);
	if (*strtoul_endp)
		goto inv;
	if (offset >= bi->geom->total_size) {
		fprintf(stderr,
		"error: specified offset exceeds flash bank size (0x%lx)\n",
			(u_long) bi->geom->total_size);
		return(-1);
	}
	len = strtoul(argv[3], &strtoul_endp, 16);
	if (*strtoul_endp)
		goto inv;
	if (len > bi->geom->total_size - offset) {
		fprintf(stderr,
	"error: specified offset+length exceed flash bank size (0x%lx)\n",
			(u_long) bi->geom->total_size);
		return(-1);
	}
	if (!len) {
		printf("Zero length specified - nothing to do!\n");
		return(0);
	}
	/* now enforce sector alignment for both offset and length */
	if (get_flash_sector_table(bank) < 0)
		return(-1);
	if (get_flash_sector_range(bi, offset, len, &startsec, &endsec) < 0)
		return(-1);
	printf("Unlocking %d sector(s)\n", endsec - startsec);
	for (sp = startsec; sp < endsec; sp++) {
		stat = bi->ops->unlock_sector(bi, sp);
		if (stat)
			return(stat);
		putchar('.');
		fflush(stdout);
	}
	putchar('\n');
	return(0);
}