ASR_BASE
Change-Id: Icf3719cc0afe3eeb3edc7fa80a2eb5199ca9dda1
diff --git a/marvell/linux/tools/perf/util/parse-regs-options.c b/marvell/linux/tools/perf/util/parse-regs-options.c
new file mode 100644
index 0000000..869ef7e
--- /dev/null
+++ b/marvell/linux/tools/perf/util/parse-regs-options.c
@@ -0,0 +1,95 @@
+// SPDX-License-Identifier: GPL-2.0
+#include <stdbool.h>
+#include <stdlib.h>
+#include <stdint.h>
+#include <string.h>
+#include <stdio.h>
+#include "util/debug.h"
+#include <subcmd/parse-options.h>
+#include "util/perf_regs.h"
+#include "util/parse-regs-options.h"
+
+static int
+__parse_regs(const struct option *opt, const char *str, int unset, bool intr)
+{
+ uint64_t *mode = (uint64_t *)opt->value;
+ const struct sample_reg *r;
+ char *s, *os = NULL, *p;
+ int ret = -1;
+ uint64_t mask;
+
+ if (unset)
+ return 0;
+
+ /*
+ * cannot set it twice
+ */
+ if (*mode)
+ return -1;
+
+ if (intr)
+ mask = arch__intr_reg_mask();
+ else
+ mask = arch__user_reg_mask();
+
+ /* str may be NULL in case no arg is passed to -I */
+ if (str) {
+ /* because str is read-only */
+ s = os = strdup(str);
+ if (!s)
+ return -1;
+
+ for (;;) {
+ p = strchr(s, ',');
+ if (p)
+ *p = '\0';
+
+ if (!strcmp(s, "?")) {
+ fprintf(stderr, "available registers: ");
+ for (r = sample_reg_masks; r->name; r++) {
+ if (r->mask & mask)
+ fprintf(stderr, "%s ", r->name);
+ }
+ fputc('\n', stderr);
+ /* just printing available regs */
+ goto error;
+ }
+ for (r = sample_reg_masks; r->name; r++) {
+ if ((r->mask & mask) && !strcasecmp(s, r->name))
+ break;
+ }
+ if (!r->name) {
+ ui__warning("Unknown register \"%s\", check man page or run \"perf record %s?\"\n",
+ s, intr ? "-I" : "--user-regs=");
+ goto error;
+ }
+
+ *mode |= r->mask;
+
+ if (!p)
+ break;
+
+ s = p + 1;
+ }
+ }
+ ret = 0;
+
+ /* default to all possible regs */
+ if (*mode == 0)
+ *mode = mask;
+error:
+ free(os);
+ return ret;
+}
+
+int
+parse_user_regs(const struct option *opt, const char *str, int unset)
+{
+ return __parse_regs(opt, str, unset, false);
+}
+
+int
+parse_intr_regs(const struct option *opt, const char *str, int unset)
+{
+ return __parse_regs(opt, str, unset, true);
+}