X-Git-Url: https://gerrit.opnfv.org/gerrit/gitweb?a=blobdiff_plain;f=qemu%2Ftests%2Ftcg%2Fmips%2Fmips64-dsp%2Frddsp.c;fp=qemu%2Ftests%2Ftcg%2Fmips%2Fmips64-dsp%2Frddsp.c;h=71655724350d47016d178f6aacb920a291453e5f;hb=e44e3482bdb4d0ebde2d8b41830ac2cdb07948fb;hp=0000000000000000000000000000000000000000;hpb=9ca8dbcc65cfc63d6f5ef3312a33184e1d726e00;p=kvmfornfv.git

diff --git a/qemu/tests/tcg/mips/mips64-dsp/rddsp.c b/qemu/tests/tcg/mips/mips64-dsp/rddsp.c
new file mode 100644
index 000000000..716557243
--- /dev/null
+++ b/qemu/tests/tcg/mips/mips64-dsp/rddsp.c
@@ -0,0 +1,53 @@
+#include "io.h"
+
+int main(void)
+{
+    long long dsp_i, dsp_o;
+    long long ccond_i, outflag_i, efi_i, c_i, scount_i, pos_i;
+    long long ccond_o, outflag_o, efi_o, c_o, scount_o, pos_o;
+    long long ccond_r, outflag_r, efi_r, c_r, scount_r, pos_r;
+
+    ccond_i   = 0x000000BC;/* 4 */
+    outflag_i = 0x0000001B;/* 3 */
+    efi_i     = 0x00000001;/* 5 */
+    c_i       = 0x00000001;/* 2 */
+    scount_i  = 0x0000000F;/* 1 */
+    pos_i     = 0x0000000C;/* 0 */
+
+    dsp_i = (ccond_i   << 24) | \
+            (outflag_i << 16) | \
+            (efi_i     << 14) | \
+            (c_i       << 13) | \
+            (scount_i  <<  7) | \
+            pos_i;
+
+    ccond_r   = ccond_i;
+    outflag_r = outflag_i;
+    efi_r     = efi_i;
+    c_r       = c_i;
+    scount_r  = scount_i;
+    pos_r     = pos_i;
+
+    __asm
+        ("wrdsp %1, 0x3F\n\t"
+         "rddsp %0, 0x3F\n\t"
+         : "=r"(dsp_o)
+         : "r"(dsp_i)
+        );
+
+    ccond_o   = (dsp_o >> 24) & 0xFF;
+    outflag_o = (dsp_o >> 16) & 0xFF;
+    efi_o     = (dsp_o >> 14) & 0x01;
+    c_o       = (dsp_o >> 14) & 0x01;
+    scount_o  = (dsp_o >>  7) & 0x3F;
+    pos_o     =  dsp_o & 0x1F;
+
+    if ((ccond_o != ccond_r) || (outflag_o != outflag_r) || (efi_o != efi_r) \
+            || (c_o != c_r) || (scount_o != scount_r) || (pos_o != pos_r)) {
+        printf("rddsp wrong\n");
+
+        return -1;
+    }
+
+    return 0;
+}