--- a/libgo/go/internal/cpu/cpu_gccgo.c
+++ b/libgo/go/internal/cpu/cpu_gccgo.c
@@ -200,3 +200,29 @@ struct queryResult kdsaQuery() {
}
#endif /* defined(__s390x__) */
+
+#ifdef __aarch64__
+
+uint64_t getisar0(void)
+ __asm__(GOSYM_PREFIX "internal_1cpu.getisar0")
+ __attribute__((no_split_stack));
+
+uint64_t getisar0() {
+ uint64_t isar0;
+
+ __asm__("mrs %0,id_aa64isar0_el1" : "=r"(isar0));
+ return isar0;
+}
+
+uint64_t getMIDR(void)
+ __asm__(GOSYM_PREFIX "internal_1cpu.getMIDR")
+ __attribute__((no_split_stack));
+
+uint64_t getMIDR() {
+ uint64_t MIDR;
+
+ __asm__("mrs %0,midr_el1" : "=r"(MIDR));
+ return MIDR;
+}
+
+#endif /* defined(__aarch64__) */
--
Andreas Schwab, sch...@linux-m68k.org
GPG Key fingerprint = 7578 EB47 D4E5 4D69 2510 2552 DF73 E780 A9DA AEC1
"And now for something completely different."
