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https://github.com/linux-msm/qdl.git
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5f2f82a526
The typical ramdump covers the entire DDR, which on modern devices can be huge. But sometimes one is only interested in one or more specific segments. Parse the optional, comma-separated, argument to qdl-ramdump, and use this to skip not requested segments. Signed-off-by: Bjorn Andersson <quic_bjorande@quicinc.com>
118 lines
2.4 KiB
C
118 lines
2.4 KiB
C
#include <sys/types.h>
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#include <assert.h>
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#include <ctype.h>
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#include <dirent.h>
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#include <err.h>
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#include <errno.h>
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#include <fcntl.h>
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#include <getopt.h>
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#include <poll.h>
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#include <stdbool.h>
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#include <stdint.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <termios.h>
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#include <unistd.h>
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#include "qdl.h"
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static struct qdl_device qdl;
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bool qdl_debug;
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int qdl_read(struct qdl_device *qdl, void *buf, size_t len, unsigned int timeout)
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{
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return read(qdl->fd, buf, len);
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}
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int qdl_write(struct qdl_device *qdl, const void *buf, size_t len)
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{
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return write(qdl->fd, buf, len);
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}
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static void print_usage(void)
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{
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extern const char *__progname;
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fprintf(stderr,
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"%s -p <sahara dev_node> -s <id:file path> ...\n",
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__progname);
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fprintf(stderr,
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" -p --port Sahara device node to use\n"
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" -s <id:file path> --sahara <id:file path> Sahara protocol file mapping\n"
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"\n"
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"One -p instance is required. One or more -s instances are required.\n"
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"\n"
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"Example: \n"
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"ks -p /dev/mhi0_QAIC_SAHARA -s 1:/opt/qti-aic/firmware/fw1.bin -s 2:/opt/qti-aic/firmware/fw2.bin\n");
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}
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int main(int argc, char **argv)
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{
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bool found_mapping = false;
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char *dev_node = NULL;
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long file_id;
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char *colon;
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int opt;
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int ret;
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static struct option options[] = {
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{"port", required_argument, 0, 'p'},
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{"sahara", required_argument, 0, 's'},
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{0, 0, 0, 0}
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};
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while ((opt = getopt_long(argc, argv, "p:s:", options, NULL )) != -1) {
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switch (opt) {
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case 'p':
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dev_node = optarg;
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printf("Using port - %s\n", dev_node);
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break;
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case 's':
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found_mapping = true;
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file_id = strtol(optarg, NULL, 10);
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if (file_id < 0) {
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print_usage();
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return 1;
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}
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if (file_id >= MAPPING_SZ) {
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fprintf(stderr,
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"ID:%ld exceeds the max value of %d\n",
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file_id,
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MAPPING_SZ - 1);
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return 1;
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}
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colon = strchr(optarg, ':');
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if (!colon) {
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print_usage();
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return 1;
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}
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qdl.mappings[file_id] = &optarg[colon - optarg + 1];
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printf("Created mapping ID:%ld File:%s\n", file_id, qdl.mappings[file_id]);
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break;
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default:
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print_usage();
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return 1;
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}
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}
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// -p and -s is required
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if (!dev_node || !found_mapping) {
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print_usage();
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return 1;
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}
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qdl.fd = open(dev_node, O_RDWR);
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if (qdl.fd < 0) {
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fprintf(stderr, "Unable to open %s\n", dev_node);
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return 1;
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}
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ret = sahara_run(&qdl, qdl.mappings, false, NULL, NULL);
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if (ret < 0)
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return 1;
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return 0;
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}
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