From 3f2546b2ef55b661fd8dd69682b38992225e86f6 Mon Sep 17 00:00:00 2001
From: fishsoupisgood <github@madingley.org>
Date: Mon, 29 Apr 2019 01:17:54 +0100
Subject: Initial import of qemu-2.4.1

---
 tests/tcg/mips/mips32-dsp/extpdp.c | 64 ++++++++++++++++++++++++++++++++++++++
 1 file changed, 64 insertions(+)
 create mode 100644 tests/tcg/mips/mips32-dsp/extpdp.c

(limited to 'tests/tcg/mips/mips32-dsp/extpdp.c')

diff --git a/tests/tcg/mips/mips32-dsp/extpdp.c b/tests/tcg/mips/mips32-dsp/extpdp.c
new file mode 100644
index 00000000..79ee16e8
--- /dev/null
+++ b/tests/tcg/mips/mips32-dsp/extpdp.c
@@ -0,0 +1,64 @@
+#include<stdio.h>
+#include<assert.h>
+
+int main()
+{
+    int rt, ach, acl, dsp, pos, efi;
+    int result;
+
+    ach = 0x05;
+    acl = 0xB4CB;
+    dsp = 0x07;
+    result = 0x000C;
+
+    __asm
+        ("wrdsp %1, 0x01\n\t"
+         "mthi %2, $ac1\n\t"
+         "mtlo %3, $ac1\n\t"
+         "extpdp %0, $ac1, 0x03\n\t"
+         "rddsp %1\n\t"
+         : "=r"(rt), "+r"(dsp)
+         : "r"(ach), "r"(acl)
+        );
+    pos =  dsp & 0x3F;
+    efi = (dsp >> 14) & 0x01;
+    assert(pos == 3);
+    assert(efi == 0);
+    assert(result == rt);
+
+    ach = 0x05;
+    acl = 0xB4CB;
+    dsp = 0x01;
+
+    __asm
+        ("wrdsp %1, 0x01\n\t"
+         "mthi %2, $ac1\n\t"
+         "mtlo %3, $ac1\n\t"
+         "extpdp %0, $ac1, 0x03\n\t"
+         "rddsp %1\n\t"
+         : "=r"(rt), "+r"(dsp)
+         : "r"(ach), "r"(acl)
+        );
+    efi = (dsp >> 14) & 0x01;
+    assert(efi == 1);
+
+
+    ach = 0;
+    acl = 0;
+    dsp = 0;
+    result = 0;
+
+    __asm
+        ("wrdsp %1\n\t"
+         "mthi %2, $ac1\n\t"
+         "mtlo %3, $ac1\n\t"
+         "extpdp %0, $ac1, 0x00\n\t"
+         "rddsp %1\n\t"
+         : "=r"(rt), "+r"(dsp)
+         : "r"(ach), "r"(acl)
+        );
+    assert(dsp == 0x3F);
+    assert(result == rt);
+
+    return 0;
+}
-- 
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