34 lines
686 B
Plaintext
34 lines
686 B
Plaintext
Index: src/include/storage/s_lock.h
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--- src/include/storage/s_lock.h.orig
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+++ src/include/storage/s_lock.h
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@@ -802,6 +802,29 @@ tas(volatile slock_t *lock)
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do { __asm__ __volatile__("" : : : "memory"); *(lock) = 0; } while (0)
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#endif
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+#if defined(__m88k__) /* Motorola 88k */
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+#define HAS_TEST_AND_SET
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+
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+typedef unsigned int slock_t;
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+
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+#define TAS(lock) tas(lock)
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+
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+static __inline__ int
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+tas(volatile slock_t *lock)
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+{
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+ register slock_t _res = 1;
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+
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+ __asm__ __volatile__(
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+ " xmem %0, %2, %%r0\n"
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+: "=r"(_res)
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+: "0" (_res), "r"(lock)
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+: "memory");
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+ return (int) _res;
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+}
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+
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+#endif /* __m88k__ */
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+
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+
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#endif /* defined(__GNUC__) || defined(__INTEL_COMPILER) */
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