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authorMary Ruthven <mruthven@google.com>2018-05-15 19:07:18 -0700
committerchrome-bot <chrome-bot@chromium.org>2018-06-07 16:52:17 -0700
commita8f4ad9f26a35a786e17498fa4d0a513b9412856 (patch)
treeba7f07cbf083f7169710934221290d964dd54b8c /extra
parentb67ef05de08f036c22b3aab049ecf36bc28c681c (diff)
downloadchrome-ec-a8f4ad9f26a35a786e17498fa4d0a513b9412856.tar.gz
gsctool: add support for wp vendor command
Add gsctool support for getting the full wp setting from cr50. BUG=b:77543904 BRANCH=cr50 TEST=change wp and verify gsctool shows the correct setting Change-Id: I192b9f23651076cc30e3156223cc3fd0f43b0621 Signed-off-by: Mary Ruthven <mruthven@google.com> Reviewed-on: https://chromium-review.googlesource.com/1060642 Commit-Ready: ChromeOS CL Exonerator Bot <chromiumos-cl-exonerator@appspot.gserviceaccount.com> Tested-by: Mary Ruthven <mruthven@chromium.org> Reviewed-by: Vadim Bendebury <vbendeb@chromium.org>
Diffstat (limited to 'extra')
-rw-r--r--extra/usb_updater/gsctool.c51
1 files changed, 47 insertions, 4 deletions
diff --git a/extra/usb_updater/gsctool.c b/extra/usb_updater/gsctool.c
index 0f06f79ca1..082b1556bc 100644
--- a/extra/usb_updater/gsctool.c
+++ b/extra/usb_updater/gsctool.c
@@ -196,7 +196,7 @@ struct upgrade_pkt {
static int verbose_mode;
static uint32_t protocol_version;
static char *progname;
-static char *short_opts = "abcd:F:fhIikO:oPprstUuVv";
+static char *short_opts = "abcd:F:fhIikO:oPprstUuVvw";
static const struct option long_opts[] = {
/* name hasarg *flag val */
{"any", 0, NULL, 'a'},
@@ -219,6 +219,7 @@ static const struct option long_opts[] = {
{"trunks_send", 0, NULL, 't'},
{"verbose", 0, NULL, 'V'},
{"version", 0, NULL, 'v'},
+ {"wp", 0, NULL, 'w'},
{"upstart", 0, NULL, 'u'},
{},
};
@@ -543,6 +544,7 @@ static void usage(int errs)
"Upstart mode (strict header checks)\n"
" -V,--verbose Enable debug messages\n"
" -v,--version Report this utility version\n"
+ " -w,--wp Get the current wp setting\n"
"\n", progname, VID, PID);
exit(errs ? update_error : noop);
@@ -1768,6 +1770,40 @@ static void process_ccd_state(struct transfer_descriptor *td, int ccd_unlock,
poll_for_pp(td, VENDOR_CC_CCD, CCDV_PP_POLL_OPEN);
}
+static void process_wp(struct transfer_descriptor *td)
+{
+ size_t response_size;
+ uint8_t response;
+ int rv = 0;
+
+ response_size = sizeof(response);
+
+ printf("Getting WP\n");
+
+ rv = send_vendor_command(td, VENDOR_CC_WP, NULL, 0,
+ &response, &response_size);
+ if (rv != VENDOR_RC_SUCCESS) {
+ fprintf(stderr, "Error %d getting write protect\n", rv);
+ exit(update_error);
+ }
+ if (response_size != sizeof(response)) {
+ fprintf(stderr, "Unexpected response size %zd while getting "
+ "write protect\n",
+ response_size);
+ exit(update_error);
+ }
+
+ printf("WP: %08x\n", response);
+ printf("Flash WP: %s%s\n",
+ response & WPV_FORCE ? "forced " : "",
+ response & WPV_ENABLE ? "enabled" : "disabled");
+ printf(" at boot: %s\n",
+ !(response & WPV_ATBOOT_SET) ? "follow_batt_pres" :
+ response & WPV_ATBOOT_ENABLE ? "forced enabled" :
+ "forced disabled");
+}
+
+
void process_bid(struct transfer_descriptor *td,
enum board_id_action bid_action,
struct board_id *bid)
@@ -1952,6 +1988,7 @@ int main(int argc, char *argv[])
int ccd_unlock = 0;
int ccd_lock = 0;
int ccd_info = 0;
+ int wp = 0;
int try_all_transfer = 0;
const char *exclusive_opt_error =
"Options -a, -s and -t are mutually exclusive\n";
@@ -2075,6 +2112,9 @@ int main(int argc, char *argv[])
case 'v':
report_version(); /* This will call exit(). */
break;
+ case 'w':
+ wp = 1;
+ break;
case 0: /* auto-handled option */
break;
case '?':
@@ -2111,7 +2151,8 @@ int main(int argc, char *argv[])
!password &&
!rma &&
!show_fw_ver &&
- !openbox_desc_file) {
+ !openbox_desc_file &&
+ !wp) {
if (optind >= argc) {
fprintf(stderr,
"\nERROR: Missing required <binary image>\n\n");
@@ -2138,9 +2179,9 @@ int main(int argc, char *argv[])
if (((bid_action != bid_none) + !!rma + !!password +
!!ccd_open + !!ccd_unlock + !!ccd_lock + !!ccd_info +
- !!openbox_desc_file + !!factory_mode) > 2) {
+ !!openbox_desc_file + !!factory_mode + !!wp) > 2) {
fprintf(stderr, "ERROR: "
- "options -F, -I, -i, -k, -O, -o, -P, -r, and -u "
+ "options -F, -I, -i, -k, -O, -o, -P, -r, -u and -w "
"are mutually exclusive\n");
exit(update_error);
}
@@ -2176,6 +2217,8 @@ int main(int argc, char *argv[])
if (factory_mode)
process_factory_mode(&td, factory_mode_arg);
+ if (wp)
+ process_wp(&td);
if (corrupt_inactive_rw)
invalidate_inactive_rw(&td);