diff options
Diffstat (limited to 'src/pal/tests/palsuite/composite/synchronization/nativecs_interlocked/sparcinterloc.s')
| -rw-r--r-- | src/pal/tests/palsuite/composite/synchronization/nativecs_interlocked/sparcinterloc.s | 73 |
1 files changed, 73 insertions, 0 deletions
diff --git a/src/pal/tests/palsuite/composite/synchronization/nativecs_interlocked/sparcinterloc.s b/src/pal/tests/palsuite/composite/synchronization/nativecs_interlocked/sparcinterloc.s new file mode 100644 index 0000000000..b9708bc770 --- /dev/null +++ b/src/pal/tests/palsuite/composite/synchronization/nativecs_interlocked/sparcinterloc.s @@ -0,0 +1,73 @@ +// Licensed to the .NET Foundation under one or more agreements. +// The .NET Foundation licenses this file to you under the MIT license. +// See the LICENSE file in the project root for more information. + +/*++ + + + + Module Name: + + interlock.s + +Abstract: + + Implementation of Interlocked functions for the SPARC + platform. These functions are processor dependent. + See the i386 implementations for more information. + + --*/ + + // A handy macro for declaring a public function + // The first argument is the function name. + #define ASMFUNC(n,typename); \ + .align 4 ; \ + .global n ; \ + .type n,typename ; \ +n: ; + + .text + ASMFUNC(InterlockedIncrement,#function) + ld [%o0], %o1 +loopI: + mov %o1, %o2 + add %o1, 1, %o1 + cas [%o0], %o2, %o1 + cmp %o2, %o1 + bne loopI + nop + retl + add %o1, 1, %o0 + + + ASMFUNC(InterlockedDecrement,#function) + ld [%o0], %o1 +loopD: + mov %o1, %o2 + sub %o1, 1, %o1 + cas [%o0], %o2, %o1 + cmp %o2, %o1 + bne loopD + nop + retl + sub %o1, 1, %o0 + + + ASMFUNC(InterlockedExchange,#function) + swap [%o0], %o1 + retl + mov %o1, %o0 + + ASMFUNC(InterlockedCompareExchange,#function) + cas [%o0], %o2, %o1 + retl + mov %o1, %o0 + + ASMFUNC(MemoryBarrier,#function) + // ROTORTODO: SPARC + retl + nop + + ASMFUNC(YieldProcessor,#function) + retl + nop |