summaryrefslogtreecommitdiffstats
path: root/qemu/tests/tcg/mips/mips64-dsp/extpv.c
diff options
context:
space:
mode:
Diffstat (limited to 'qemu/tests/tcg/mips/mips64-dsp/extpv.c')
-rw-r--r--qemu/tests/tcg/mips/mips64-dsp/extpv.c51
1 files changed, 51 insertions, 0 deletions
diff --git a/qemu/tests/tcg/mips/mips64-dsp/extpv.c b/qemu/tests/tcg/mips/mips64-dsp/extpv.c
new file mode 100644
index 000000000..158472bf9
--- /dev/null
+++ b/qemu/tests/tcg/mips/mips64-dsp/extpv.c
@@ -0,0 +1,51 @@
+#include "io.h"
+
+int main(void)
+{
+ long long rt, ac, ach, acl, dsp;
+ long long result;
+
+ ach = 0x05;
+ acl = 0xB4CB;
+ dsp = 0x07;
+ ac = 0x03;
+ result = 0x000C;
+
+ __asm
+ ("wrdsp %1, 0x01\n\t"
+ "mthi %2, $ac1\n\t"
+ "mtlo %3, $ac1\n\t"
+ "extpv %0, $ac1, %4\n\t"
+ "rddsp %1\n\t"
+ : "=r"(rt), "+r"(dsp)
+ : "r"(ach), "r"(acl), "r"(ac)
+ );
+ dsp = (dsp >> 14) & 0x01;
+ if ((dsp != 0) || (result != rt)) {
+ printf("extpv wrong\n");
+
+ return -1;
+ }
+
+ ach = 0x05;
+ acl = 0xB4CB;
+ dsp = 0x01;
+
+ __asm
+ ("wrdsp %1, 0x01\n\t"
+ "mthi %2, $ac1\n\t"
+ "mtlo %3, $ac1\n\t"
+ "extpv %0, $ac1, %4\n\t"
+ "rddsp %1\n\t"
+ : "=r"(rt), "+r"(dsp)
+ : "r"(ach), "r"(acl), "r"(ac)
+ );
+ dsp = (dsp >> 14) & 0x01;
+ if (dsp != 1) {
+ printf("extpv wrong\n");
+
+ return -1;
+ }
+
+ return 0;
+}