diff options
Diffstat (limited to 'qemu/tests/tcg/mips/mips32-dsp/extpdp.c')
-rw-r--r-- | qemu/tests/tcg/mips/mips32-dsp/extpdp.c | 64 |
1 files changed, 64 insertions, 0 deletions
diff --git a/qemu/tests/tcg/mips/mips32-dsp/extpdp.c b/qemu/tests/tcg/mips/mips32-dsp/extpdp.c new file mode 100644 index 000000000..79ee16e8b --- /dev/null +++ b/qemu/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; +} |