diff options
Diffstat (limited to 'tests')
| -rw-r--r-- | tests/tcg/s390x/Makefile.target | 1 | ||||
| -rw-r--r-- | tests/tcg/s390x/csst.c | 43 |
2 files changed, 44 insertions, 0 deletions
diff --git a/tests/tcg/s390x/Makefile.target b/tests/tcg/s390x/Makefile.target index 9f4076901f..f62f950d8e 100644 --- a/tests/tcg/s390x/Makefile.target +++ b/tests/tcg/s390x/Makefile.target @@ -1,3 +1,4 @@ VPATH+=$(SRC_PATH)/tests/tcg/s390x CFLAGS+=-march=zEC12 -m64 TESTS+=hello-s390x +TESTS+=csst diff --git a/tests/tcg/s390x/csst.c b/tests/tcg/s390x/csst.c new file mode 100644 index 0000000000..1dae9071fb --- /dev/null +++ b/tests/tcg/s390x/csst.c @@ -0,0 +1,43 @@ +#include <stdint.h> +#include <unistd.h> + +int main(void) +{ + uint64_t parmlist[] = { + 0xfedcba9876543210ull, + 0, + 0x7777777777777777ull, + 0, + }; + uint64_t op1 = 0x0123456789abcdefull; + uint64_t op2 = 0; + uint64_t op3 = op1; + uint64_t cc; + + asm volatile( + " lghi %%r0,%[flags]\n" + " la %%r1,%[parmlist]\n" + " csst %[op1],%[op2],%[op3]\n" + " ipm %[cc]\n" + : [op1] "+m" (op1), + [op2] "+m" (op2), + [op3] "+r" (op3), + [cc] "=r" (cc) + : [flags] "K" (0x0301), + [parmlist] "m" (parmlist) + : "r0", "r1", "cc", "memory"); + cc = (cc >> 28) & 3; + if (cc) { + write(1, "bad cc\n", 7); + return 1; + } + if (op1 != parmlist[0]) { + write(1, "bad op1\n", 8); + return 1; + } + if (op2 != parmlist[2]) { + write(1, "bad op2\n", 8); + return 1; + } + return 0; +} |