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Diffstat (limited to 'qemu/tests/tcg/mips/mips32-dsp/wrdsp.c')
-rw-r--r--qemu/tests/tcg/mips/mips32-dsp/wrdsp.c46
1 files changed, 46 insertions, 0 deletions
diff --git a/qemu/tests/tcg/mips/mips32-dsp/wrdsp.c b/qemu/tests/tcg/mips/mips32-dsp/wrdsp.c
new file mode 100644
index 000000000..dc54943a9
--- /dev/null
+++ b/qemu/tests/tcg/mips/mips32-dsp/wrdsp.c
@@ -0,0 +1,46 @@
+#include<stdio.h>
+#include<assert.h>
+
+int main()
+{
+ int dsp_i, dsp_o;
+ int ccond_i, outflag_i, efi_i, c_i, scount_i, pos_i;
+ int ccond_o, outflag_o, efi_o, c_o, scount_o, pos_o;
+
+ 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;
+
+ __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;
+
+ assert(ccond_o == (ccond_i & 0x0F));
+ assert(outflag_o == outflag_i);
+ assert(efi_o == efi_i);
+ assert(c_o == c_i);
+ assert(scount_o == scount_i);
+ assert(pos_o == pos_i);
+
+ return 0;
+}