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From ed05d50b808df2bb0d11456515896a40e620389b Mon Sep 17 00:00:00 2001
From: mahailiang <mahailiang@uniontech.com>
Date: Sat, 15 Mar 2025 11:46:26 +0800
Subject: [PATCH] add sw_64 support
---
contrib/pgcrypto/crypt-blowfish.c | 2 +-
src/include/storage/s_lock.h | 43 +++++++++++++++++++++++++++++++
2 files changed, 44 insertions(+), 1 deletion(-)
diff --git a/contrib/pgcrypto/crypt-blowfish.c b/contrib/pgcrypto/crypt-blowfish.c
index a663852..e6d72b2 100644
--- a/contrib/pgcrypto/crypt-blowfish.c
+++ b/contrib/pgcrypto/crypt-blowfish.c
@@ -41,7 +41,7 @@
#ifdef __i386__
#define BF_ASM 0 /* 1 */
#define BF_SCALE 1
-#elif defined(__x86_64__) || defined(__alpha__) || defined(__hppa__)
+#elif defined(__x86_64__) || defined(__alpha__) || defined(__hppa__) || defined(__sw_64__)
#define BF_ASM 0
#define BF_SCALE 1
#else
diff --git a/src/include/storage/s_lock.h b/src/include/storage/s_lock.h
index 1ada0a8..3afd20e 100644
--- a/src/include/storage/s_lock.h
+++ b/src/include/storage/s_lock.h
@@ -771,6 +771,49 @@ tas(volatile slock_t *lock)
#endif /* __sh__ */
+#if defined(__sw_64) || defined(__sw_64__) /* sw_64 */
+#define HAS_TEST_AND_SET
+
+typedef unsigned long slock_t;
+
+#define TAS(lock) tas(lock)
+
+static __inline__ int
+tas(volatile slock_t *lock)
+{
+ register slock_t _res;
+ unsigned long tmp;
+ __asm__ __volatile__(
+ " ldl $0, %1 \n"
+ " bne $0, 2f \n"
+ " ldi %2, %1\n"
+ " lldl %0, 0(%2) \n"
+ " mov 1, $0 \n"
+ " wr_f $0 \n"
+ " memb \n"
+ " lstl $0, 0(%2) \n"
+ " rd_f $0 \n"
+ " bne %0, 2f \n"
+ " beq $0, 2f \n"
+ " memb \n"
+ " br 3f \n"
+ "2: mov 1, %0 \n"
+ "3: \n"
+: "=&r"(_res), "+m"(*lock),"=r" (tmp)
+:
+: "memory", "0");
+ return (int) _res;
+}
+
+#define S_UNLOCK(lock) \
+do \
+{\
+ __asm__ __volatile__ (" memb \n"); \
+ *((volatile slock_t *) (lock)) = 0; \
+} while (0)
+
+#endif /* __sw_64 || __sw_64__ */
+
/* These live in s_lock.c, but only for gcc */
--
2.43.5
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