From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from metis.ext.pengutronix.de ([2001:67c:670:201:290:27ff:fe1d:cc33]) by bombadil.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1aQcG1-0002Pu-KM for barebox@lists.infradead.org; Tue, 02 Feb 2016 14:49:01 +0000 From: Sascha Hauer Date: Tue, 2 Feb 2016 15:48:01 +0100 Message-Id: <1454424497-7157-19-git-send-email-s.hauer@pengutronix.de> In-Reply-To: <1454424497-7157-1-git-send-email-s.hauer@pengutronix.de> References: <1454424497-7157-1-git-send-email-s.hauer@pengutronix.de> List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "barebox" Errors-To: barebox-bounces+u.kleine-koenig=pengutronix.de@lists.infradead.org Subject: [PATCH 18/34] scripts: imx: move config file parser to separate file To: Barebox List To make the config parser usable by imx-usb-loader also move it to a separate file. Signed-off-by: Sascha Hauer --- scripts/imx/Makefile | 4 +- scripts/imx/imx-image.c | 326 ---------------------------------------------- scripts/imx/imx.c | 338 ++++++++++++++++++++++++++++++++++++++++++++++++ scripts/imx/imx.h | 13 +- 4 files changed, 352 insertions(+), 329 deletions(-) create mode 100644 scripts/imx/imx.c diff --git a/scripts/imx/Makefile b/scripts/imx/Makefile index ee0acc1..6883659 100644 --- a/scripts/imx/Makefile +++ b/scripts/imx/Makefile @@ -8,5 +8,5 @@ HOSTLOADLIBES_imx-usb-loader = `pkg-config --libs libusb-1.0` HOSTCFLAGS_imx-image.o = -I$(srctree) -imx-usb-loader-objs := imx-usb-loader.o -imx-image-objs := imx-image.o +imx-usb-loader-objs := imx-usb-loader.o imx.o +imx-image-objs := imx-image.o imx.o diff --git a/scripts/imx/imx-image.c b/scripts/imx/imx-image.c index ae7d3c8..090d5c4 100644 --- a/scripts/imx/imx-image.c +++ b/scripts/imx/imx-image.c @@ -36,15 +36,6 @@ #define HEADER_LEN 0x1000 /* length of the blank area + IVT + DCD */ #define CSF_LEN 0x2000 /* length of the CSF (needed for HAB) */ -struct config_data { - uint32_t image_load_addr; - uint32_t image_dcd_offset; - int header_version; - int cpu_type; - int (*check)(struct config_data *data, uint32_t cmd, uint32_t addr, uint32_t mask); - int (*write_mem)(struct config_data *data, uint32_t addr, uint32_t val, int width); -}; - static uint32_t dcdtable[MAX_DCD]; static int curdcd; static int add_barebox_header; @@ -193,50 +184,6 @@ static void usage(const char *prgname) exit(1); } -#define MAXARGS 5 - -static int parse_line(char *line, char *argv[]) -{ - int nargs = 0; - - while (nargs < MAXARGS) { - - /* skip any white space */ - while ((*line == ' ') || (*line == '\t')) - ++line; - - if (*line == '\0') /* end of line, no more args */ - argv[nargs] = NULL; - - if (*line == '\0') { /* end of line, no more args */ - argv[nargs] = NULL; - return nargs; - } - - argv[nargs++] = line; /* begin of argument string */ - - /* find end of string */ - while (*line && (*line != ' ') && (*line != '\t')) - ++line; - - if (*line == '\0') { /* end of line, no more args */ - argv[nargs] = NULL; - return nargs; - } - - *line++ = '\0'; /* terminate current arg */ - } - - printf("** Too many args (max. %d) **\n", MAXARGS); - - return nargs; -} - -struct command { - const char *name; - int (*parse)(struct config_data *data, int argc, char *argv[]); -}; - static uint32_t last_write_cmd; static int last_cmd_len; static uint32_t *last_dcd; @@ -282,279 +229,6 @@ static int write_mem_v2(uint32_t addr, uint32_t val, int width) return 0; } -static const char *check_cmds[] = { - "while_all_bits_clear", /* while ((*address & mask) == 0); */ - "while_all_bits_set" , /* while ((*address & mask) == mask); */ - "while_any_bit_clear", /* while ((*address & mask) != mask); */ - "while_any_bit_set", /* while ((*address & mask) != 0); */ -}; - -static void do_cmd_check_usage(void) -{ - fprintf(stderr, - "usage: check \n" - " access width in bytes [1|2|4]\n" - "with one of:\n" - "while_all_bits_clear: while ((*addr & mask) == 0)\n" - "while_all_bits_set: while ((*addr & mask) == mask)\n" - "while_any_bit_clear: while ((*addr & mask) != mask)\n" - "while_any_bit_set: while ((*addr & mask) != 0)\n"); -} - -static int do_cmd_check(struct config_data *data, int argc, char *argv[]) -{ - uint32_t addr, mask, cmd; - int i, width; - const char *scmd; - - if (argc < 5) { - do_cmd_check_usage(); - return -EINVAL; - } - - if (!data->check) - return -ENOSYS; - - width = strtoul(argv[1], NULL, 0) >> 3; - scmd = argv[2]; - addr = strtoul(argv[3], NULL, 0); - mask = strtoul(argv[4], NULL, 0); - - switch (width) { - case 1: - case 2: - case 4: - break; - default: - fprintf(stderr, "illegal width %d\n", width); - return -EINVAL; - }; - - if (curdcd > MAX_DCD - 3) { - fprintf(stderr, "At maximum %d dcd entried are allowed\n", MAX_DCD); - return -ENOMEM; - } - - for (i = 0; i < ARRAY_SIZE(check_cmds); i++) { - if (!strcmp(scmd, check_cmds[i])) - break; - } - - if (i == ARRAY_SIZE(check_cmds)) { - do_cmd_check_usage(); - return -EINVAL; - } - - cmd = (TAG_CHECK << 24) | (i << 3) | width | ((sizeof(uint32_t) * 3) << 8); - - return data->check(data, cmd, addr, mask); -} - -static int do_cmd_write_mem(struct config_data *data, int argc, char *argv[]) -{ - uint32_t addr, val, width; - char *end; - - if (argc != 4) { - fprintf(stderr, "usage: wm [8|16|32] \n"); - return -EINVAL; - } - - width = strtoul(argv[1], &end, 0); - if (*end != '\0') { - fprintf(stderr, "illegal width token \"%s\"\n", argv[1]); - return -EINVAL; - } - - addr = strtoul(argv[2], &end, 0); - if (*end != '\0') { - fprintf(stderr, "illegal address token \"%s\"\n", argv[2]); - return -EINVAL; - } - - val = strtoul(argv[3], &end, 0); - if (*end != '\0') { - fprintf(stderr, "illegal value token \"%s\"\n", argv[3]); - return -EINVAL; - } - - width >>= 3; - - switch (width) { - case 1: - case 2: - case 4: - break; - default: - fprintf(stderr, "illegal width %d\n", width); - return -EINVAL; - }; - - return data->write_mem(data, addr, val, width); -} - -static int do_loadaddr(struct config_data *data, int argc, char *argv[]) -{ - if (argc < 2) - return -EINVAL; - - data->image_load_addr = strtoul(argv[1], NULL, 0); - - return 0; -} - -static int do_dcd_offset(struct config_data *data, int argc, char *argv[]) -{ - if (argc < 2) - return -EINVAL; - - data->image_dcd_offset = strtoul(argv[1], NULL, 0); - - return 0; -} - -struct soc_type { - char *name; - int header_version; - int cpu_type; -}; - -static struct soc_type socs[] = { - { .name = "imx25", .header_version = 1, .cpu_type = 25}, - { .name = "imx35", .header_version = 1, .cpu_type = 35 }, - { .name = "imx51", .header_version = 1, .cpu_type = 51 }, - { .name = "imx53", .header_version = 2, .cpu_type = 53 }, - { .name = "imx6", .header_version = 2, .cpu_type = 6 }, -}; - -static int do_soc(struct config_data *data, int argc, char *argv[]) -{ - char *soc; - int i; - - if (argc < 2) - return -EINVAL; - - soc = argv[1]; - - for (i = 0; i < ARRAY_SIZE(socs); i++) { - if (!strcmp(socs[i].name, soc)) { - data->header_version = socs[i].header_version; - data->cpu_type = socs[i].cpu_type; - return 0; - } - } - - fprintf(stderr, "unkown SoC type \"%s\". Known SoCs are:\n", soc); - for (i = 0; i < ARRAY_SIZE(socs); i++) - fprintf(stderr, "%s ", socs[i].name); - fprintf(stderr, "\n"); - - return -EINVAL; -} - -struct command cmds[] = { - { - .name = "wm", - .parse = do_cmd_write_mem, - }, { - .name = "check", - .parse = do_cmd_check, - }, { - .name = "loadaddr", - .parse = do_loadaddr, - }, { - .name = "dcdofs", - .parse = do_dcd_offset, - }, { - .name = "soc", - .parse = do_soc, - }, -}; - -static char *readcmd(struct config_data *data, FILE *f) -{ - static char *buf; - char *str; - ssize_t ret; - - if (!buf) { - buf = malloc(4096); - if (!buf) - return NULL; - } - - str = buf; - *str = 0; - - while (1) { - ret = fread(str, 1, 1, f); - if (!ret) - return strlen(buf) ? buf : NULL; - - if (*str == '\n' || *str == ';') { - *str = 0; - return buf; - } - - str++; - } -} - -static int parse_config(struct config_data *data, const char *filename) -{ - FILE *f; - int lineno = 0; - char *line = NULL, *tmp; - char *argv[MAXARGS]; - int nargs, i, ret = 0; - - f = fopen(filename, "r"); - if (!f) { - fprintf(stderr, "Error: %s - Can't open DCD file\n", filename); - exit(1); - } - - while (1) { - line = readcmd(data, f); - if (!line) - break; - - lineno++; - - tmp = strchr(line, '#'); - if (tmp) - *tmp = 0; - - nargs = parse_line(line, argv); - if (!nargs) - continue; - - ret = -ENOENT; - - for (i = 0; i < ARRAY_SIZE(cmds); i++) { - if (!strcmp(cmds[i].name, argv[0])) { - ret = cmds[i].parse(data, nargs, argv); - if (ret) { - fprintf(stderr, "error in line %d: %s\n", - lineno, strerror(-ret)); - goto cleanup; - } - break; - } - } - - if (ret == -ENOENT) { - fprintf(stderr, "no such command: %s\n", argv[0]); - goto cleanup; - } - } - -cleanup: - fclose(f); - return ret; -} - static int xread(int fd, void *buf, int len) { int ret; diff --git a/scripts/imx/imx.c b/scripts/imx/imx.c new file mode 100644 index 0000000..53f2bd1 --- /dev/null +++ b/scripts/imx/imx.c @@ -0,0 +1,338 @@ +/* + * (C) Copyright 2016 Sascha Hauer, Pengutronix + * + * See file CREDITS for list of people who contributed to this + * project. + * + * 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. + * + */ + +#include +#include +#include +#include +#include +#include + +#include "imx.h" + +#define MAXARGS 5 + +static int parse_line(char *line, char *argv[]) +{ + int nargs = 0; + + while (nargs < MAXARGS) { + + /* skip any white space */ + while ((*line == ' ') || (*line == '\t')) + ++line; + + if (*line == '\0') /* end of line, no more args */ + argv[nargs] = NULL; + + if (*line == '\0') { /* end of line, no more args */ + argv[nargs] = NULL; + return nargs; + } + + argv[nargs++] = line; /* begin of argument string */ + + /* find end of string */ + while (*line && (*line != ' ') && (*line != '\t')) + ++line; + + if (*line == '\0') { /* end of line, no more args */ + argv[nargs] = NULL; + return nargs; + } + + *line++ = '\0'; /* terminate current arg */ + } + + printf("** Too many args (max. %d) **\n", MAXARGS); + + return nargs; +} + +struct command { + const char *name; + int (*parse)(struct config_data *data, int argc, char *argv[]); +}; + +static const char *check_cmds[] = { + "while_all_bits_clear", /* while ((*address & mask) == 0); */ + "while_all_bits_set" , /* while ((*address & mask) == mask); */ + "while_any_bit_clear", /* while ((*address & mask) != mask); */ + "while_any_bit_set", /* while ((*address & mask) != 0); */ +}; + +static void do_cmd_check_usage(void) +{ + fprintf(stderr, + "usage: check \n" + " access width in bytes [1|2|4]\n" + "with one of:\n" + "while_all_bits_clear: while ((*addr & mask) == 0)\n" + "while_all_bits_set: while ((*addr & mask) == mask)\n" + "while_any_bit_clear: while ((*addr & mask) != mask)\n" + "while_any_bit_set: while ((*addr & mask) != 0)\n"); +} + +static int do_cmd_check(struct config_data *data, int argc, char *argv[]) +{ + uint32_t addr, mask, cmd; + int i, width; + const char *scmd; + + if (argc < 5) { + do_cmd_check_usage(); + return -EINVAL; + } + + if (!data->check) + return -ENOSYS; + + width = strtoul(argv[1], NULL, 0) >> 3; + scmd = argv[2]; + addr = strtoul(argv[3], NULL, 0); + mask = strtoul(argv[4], NULL, 0); + + switch (width) { + case 1: + case 2: + case 4: + break; + default: + fprintf(stderr, "illegal width %d\n", width); + return -EINVAL; + }; + + for (i = 0; i < ARRAY_SIZE(check_cmds); i++) { + if (!strcmp(scmd, check_cmds[i])) + break; + } + + if (i == ARRAY_SIZE(check_cmds)) { + do_cmd_check_usage(); + return -EINVAL; + } + + cmd = (TAG_CHECK << 24) | (i << 3) | width | ((sizeof(uint32_t) * 3) << 8); + + return data->check(data, cmd, addr, mask); +} + +static int do_cmd_write_mem(struct config_data *data, int argc, char *argv[]) +{ + uint32_t addr, val, width; + char *end; + + if (argc != 4) { + fprintf(stderr, "usage: wm [8|16|32] \n"); + return -EINVAL; + } + + width = strtoul(argv[1], &end, 0); + if (*end != '\0') { + fprintf(stderr, "illegal width token \"%s\"\n", argv[1]); + return -EINVAL; + } + + addr = strtoul(argv[2], &end, 0); + if (*end != '\0') { + fprintf(stderr, "illegal address token \"%s\"\n", argv[2]); + return -EINVAL; + } + + val = strtoul(argv[3], &end, 0); + if (*end != '\0') { + fprintf(stderr, "illegal value token \"%s\"\n", argv[3]); + return -EINVAL; + } + + width >>= 3; + + switch (width) { + case 1: + case 2: + case 4: + break; + default: + fprintf(stderr, "illegal width %d\n", width); + return -EINVAL; + }; + + return data->write_mem(data, addr, val, width); +} + +static int do_loadaddr(struct config_data *data, int argc, char *argv[]) +{ + if (argc < 2) + return -EINVAL; + + data->image_load_addr = strtoul(argv[1], NULL, 0); + + return 0; +} + +static int do_dcd_offset(struct config_data *data, int argc, char *argv[]) +{ + if (argc < 2) + return -EINVAL; + + data->image_dcd_offset = strtoul(argv[1], NULL, 0); + + return 0; +} + +struct soc_type { + char *name; + int header_version; + int cpu_type; +}; + +static struct soc_type socs[] = { + { .name = "imx25", .header_version = 1, .cpu_type = 25}, + { .name = "imx35", .header_version = 1, .cpu_type = 35 }, + { .name = "imx51", .header_version = 1, .cpu_type = 51 }, + { .name = "imx53", .header_version = 2, .cpu_type = 53 }, + { .name = "imx6", .header_version = 2, .cpu_type = 6 }, +}; + +static int do_soc(struct config_data *data, int argc, char *argv[]) +{ + char *soc; + int i; + + if (argc < 2) + return -EINVAL; + + soc = argv[1]; + + for (i = 0; i < ARRAY_SIZE(socs); i++) { + if (!strcmp(socs[i].name, soc)) { + data->header_version = socs[i].header_version; + data->cpu_type = socs[i].cpu_type; + return 0; + } + } + + fprintf(stderr, "unkown SoC type \"%s\". Known SoCs are:\n", soc); + for (i = 0; i < ARRAY_SIZE(socs); i++) + fprintf(stderr, "%s ", socs[i].name); + fprintf(stderr, "\n"); + + return -EINVAL; +} + +struct command cmds[] = { + { + .name = "wm", + .parse = do_cmd_write_mem, + }, { + .name = "check", + .parse = do_cmd_check, + }, { + .name = "loadaddr", + .parse = do_loadaddr, + }, { + .name = "dcdofs", + .parse = do_dcd_offset, + }, { + .name = "soc", + .parse = do_soc, + }, +}; + +static char *readcmd(struct config_data *data, FILE *f) +{ + static char *buf; + char *str; + ssize_t ret; + + if (!buf) { + buf = malloc(4096); + if (!buf) + return NULL; + } + + str = buf; + *str = 0; + + while (1) { + ret = fread(str, 1, 1, f); + if (!ret) + return strlen(buf) ? buf : NULL; + + if (*str == '\n' || *str == ';') { + *str = 0; + return buf; + } + + str++; + } +} + +int parse_config(struct config_data *data, const char *filename) +{ + FILE *f; + int lineno = 0; + char *line = NULL, *tmp; + char *argv[MAXARGS]; + int nargs, i, ret = 0; + + f = fopen(filename, "r"); + if (!f) { + fprintf(stderr, "Error: %s - Can't open DCD file\n", filename); + exit(1); + } + + while (1) { + line = readcmd(data, f); + if (!line) + break; + + lineno++; + + tmp = strchr(line, '#'); + if (tmp) + *tmp = 0; + + nargs = parse_line(line, argv); + if (!nargs) + continue; + + ret = -ENOENT; + + for (i = 0; i < ARRAY_SIZE(cmds); i++) { + if (!strcmp(cmds[i].name, argv[0])) { + ret = cmds[i].parse(data, nargs, argv); + if (ret) { + fprintf(stderr, "error in line %d: %s\n", + lineno, strerror(-ret)); + goto cleanup; + } + break; + } + } + + if (ret == -ENOENT) { + fprintf(stderr, "no such command: %s\n", argv[0]); + goto cleanup; + } + } + +cleanup: + fclose(f); + return ret; +} diff --git a/scripts/imx/imx.h b/scripts/imx/imx.h index e986545..bb4fdf7 100644 --- a/scripts/imx/imx.h +++ b/scripts/imx/imx.h @@ -49,4 +49,15 @@ struct imx_flash_header_v2 { struct imx_boot_data boot_data; struct imx_ivt_header dcd_header; -} __attribute__((packed)); \ No newline at end of file +} __attribute__((packed)); + +struct config_data { + uint32_t image_load_addr; + uint32_t image_dcd_offset; + int header_version; + int cpu_type; + int (*check)(struct config_data *data, uint32_t cmd, uint32_t addr, uint32_t mask); + int (*write_mem)(struct config_data *data, uint32_t addr, uint32_t val, int width); +}; + +int parse_config(struct config_data *data, const char *filename); -- 2.7.0.rc3 _______________________________________________ barebox mailing list barebox@lists.infradead.org http://lists.infradead.org/mailman/listinfo/barebox