rseq/selftests: add s390 support

[linux-2.6-microblaze.git] / tools / testing / selftests / rseq / param_test.c

diff --git a/tools/testing/selftests/rseq/param_test.c b/tools/testing/selftests/rseq/param_test.c
index 6152523..91cf50b 100644 (file)
--- a/tools/testing/selftests/rseq/param_test.c
+++ b/tools/testing/selftests/rseq/param_test.c
@@ -90,6 +90,30 @@ unsigned int yield_mod_cnt, nr_abort;
 #error "Unsupported architecture"
 #endif
 
+#elif defined(__s390__)
+
+#define RSEQ_INJECT_INPUT \
+       , [loop_cnt_1]"m"(loop_cnt[1]) \
+       , [loop_cnt_2]"m"(loop_cnt[2]) \
+       , [loop_cnt_3]"m"(loop_cnt[3]) \
+       , [loop_cnt_4]"m"(loop_cnt[4]) \
+       , [loop_cnt_5]"m"(loop_cnt[5]) \
+       , [loop_cnt_6]"m"(loop_cnt[6])
+
+#define INJECT_ASM_REG "r12"
+
+#define RSEQ_INJECT_CLOBBER \
+       , INJECT_ASM_REG
+
+#define RSEQ_INJECT_ASM(n) \
+       "l %%" INJECT_ASM_REG ", %[loop_cnt_" #n "]\n\t" \
+       "ltr %%" INJECT_ASM_REG ", %%" INJECT_ASM_REG "\n\t" \
+       "je 333f\n\t" \
+       "222:\n\t" \
+       "ahi %%" INJECT_ASM_REG ", -1\n\t" \
+       "jnz 222b\n\t" \
+       "333:\n\t"
+
 #elif defined(__ARMEL__)
 
 #define RSEQ_INJECT_INPUT \