1 files changed, 93 insertions, 0 deletions

diff --git a/tools/perf/util/pmu.y b/tools/perf/util/pmu.y
new file mode 100644
index 00000000000..20ea77e9316
--- /dev/null
+++ b/tools/perf/util/pmu.y
@@ -0,0 +1,93 @@
+
+%name-prefix "perf_pmu_"
+%parse-param {struct list_head *format}
+%parse-param {char *name}
+
+%{
+
+#include <linux/compiler.h>
+#include <linux/list.h>
+#include <linux/bitmap.h>
+#include <string.h>
+#include "pmu.h"
+
+extern int perf_pmu_lex (void);
+
+#define ABORT_ON(val) \
+do { \
+        if (val) \
+                YYABORT; \
+} while (0)
+
+%}
+
+%token PP_CONFIG PP_CONFIG1 PP_CONFIG2
+%token PP_VALUE PP_ERROR
+%type <num> PP_VALUE
+%type <bits> bit_term
+%type <bits> bits
+
+%union
+{
+        unsigned long num;
+        DECLARE_BITMAP(bits, PERF_PMU_FORMAT_BITS);
+}
+
+%%
+
+format:
+format format_term
+|
+format_term
+
+format_term:
+PP_CONFIG ':' bits
+{
+        ABORT_ON(perf_pmu__new_format(format, name,
+                                      PERF_PMU_FORMAT_VALUE_CONFIG,
+                                      $3));
+}
+|
+PP_CONFIG1 ':' bits
+{
+        ABORT_ON(perf_pmu__new_format(format, name,
+                                      PERF_PMU_FORMAT_VALUE_CONFIG1,
+                                      $3));
+}
+|
+PP_CONFIG2 ':' bits
+{
+        ABORT_ON(perf_pmu__new_format(format, name,
+                                      PERF_PMU_FORMAT_VALUE_CONFIG2,
+                                      $3));
+}
+
+bits:
+bits ',' bit_term
+{
+        bitmap_or($$, $1, $3, 64);
+}
+|
+bit_term
+{
+        memcpy($$, $1, sizeof($1));
+}
+
+bit_term:
+PP_VALUE '-' PP_VALUE
+{
+        perf_pmu__set_format($$, $1, $3);
+}
+|
+PP_VALUE
+{
+        perf_pmu__set_format($$, $1, 0);
+}
+
+%%
+
+void perf_pmu_error(struct list_head *list __used,
+                    char *name __used,
+                    char const *msg __used)
+{
+}