[Skiboot] [PATCH] external/gard: Print an error if run on an FSP system
Cyril Bur
cyril.bur at au1.ibm.com
Fri Mar 24 11:31:52 AEDT 2017
Signed-off-by: Cyril Bur <cyril.bur at au1.ibm.com>
---
external/gard/gard.c | 15 ++++++++++++++-
1 file changed, 14 insertions(+), 1 deletion(-)
diff --git a/external/gard/gard.c b/external/gard/gard.c
index 4b26a3b8..1b3775c3 100644
--- a/external/gard/gard.c
+++ b/external/gard/gard.c
@@ -43,7 +43,9 @@
#define CLEARED_RECORD_ID 0xFFFFFFFF
-#define FDT_ACTIVE_FLASH_PATH "/proc/device-tree/chosen/ibm,system-flash"
+#define FDT_PATH "/proc/device-tree"
+#define FDT_FSP_NODE FDT_PATH"/fsps"
+#define FDT_ACTIVE_FLASH_PATH FDT_PATH"/chosen/ibm,system-flash"
#define SYSFS_MTD_PATH "/sys/class/mtd/"
#define FLASH_GARD_PART "GUARD"
@@ -563,6 +565,11 @@ static void usage(const char *progname)
}
}
+static bool is_fsp(void)
+{
+ return access(FDT_FSP_NODE, F_OK) == 0;
+}
+
static struct option global_options[] = {
{ "file", required_argument, 0, 'f' },
{ "part", no_argument, 0, 'p' },
@@ -586,6 +593,12 @@ int main(int argc, char **argv)
ctx = &_ctx;
memset(ctx, 0, sizeof(*ctx));
+ if (is_fsp()) {
+ fprintf(stderr, "ERROR: This tool is not compatible with FSP systems\n\n");
+ usage(progname);
+ return EXIT_FAILURE;
+ }
+
/* process global options */
for (;;) {
int c;
--
2.12.1
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