+static int diag8_noresponse(int cmdlen)
+{
+ register unsigned long reg2 asm ("2") = (addr_t) cpcmd_buf;
+ register unsigned long reg3 asm ("3") = cmdlen;
+
+ asm volatile(
+#ifndef CONFIG_64BIT
+ " diag %1,%0,0x8\n"
+#else /* CONFIG_64BIT */
+ " sam31\n"
+ " diag %1,%0,0x8\n"
+ " sam64\n"
+#endif /* CONFIG_64BIT */
+ : "+d" (reg3) : "d" (reg2) : "cc");
+ return reg3;
+}
+
+static int diag8_response(int cmdlen, char *response, int *rlen)
+{
+ register unsigned long reg2 asm ("2") = (addr_t) cpcmd_buf;
+ register unsigned long reg3 asm ("3") = (addr_t) response;
+ register unsigned long reg4 asm ("4") = cmdlen | 0x40000000L;
+ register unsigned long reg5 asm ("5") = *rlen;
+
+ asm volatile(
+#ifndef CONFIG_64BIT
+ " diag %2,%0,0x8\n"
+ " brc 8,1f\n"
+ " ar %1,%4\n"
+#else /* CONFIG_64BIT */
+ " sam31\n"
+ " diag %2,%0,0x8\n"
+ " sam64\n"
+ " brc 8,1f\n"
+ " agr %1,%4\n"
+#endif /* CONFIG_64BIT */
+ "1:\n"
+ : "+d" (reg4), "+d" (reg5)
+ : "d" (reg2), "d" (reg3), "d" (*rlen) : "cc");
+ *rlen = reg5;
+ return reg4;
+}
+