67 lines
2.1 KiB
Diff
67 lines
2.1 KiB
Diff
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From 249491af07c735d93fc743e413a5304057e43a75 Mon Sep 17 00:00:00 2001
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From: doupengda <doupengda@loongson.cn>
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Date: Tue, 7 Mar 2023 11:08:46 +0800
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Subject: [PATCH] Add loongarch64 support
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---
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utils/uds/atomicDefs.h | 8 +++++++-
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utils/uds/cpu.h | 2 +-
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2 files changed, 8 insertions(+), 2 deletions(-)
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diff --git a/utils/uds/atomicDefs.h b/utils/uds/atomicDefs.h
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index 0aad609..f468369 100644
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--- a/utils/uds/atomicDefs.h
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+++ b/utils/uds/atomicDefs.h
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@@ -96,6 +96,8 @@ static INLINE void smp_mb(void)
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__asm__ __volatile__("bcr 14,0" : : : "memory");
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#elif defined __PPC__
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__asm__ __volatile__("sync" : : : "memory");
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+#elif defined __loongarch64
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+ __asm__ __volatile__("dbar 0" : : : "memory");
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#else
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#error "no fence defined"
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#endif
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@@ -121,6 +123,8 @@ static INLINE void smp_rmb(void)
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__asm__ __volatile__("bcr 14,0" : : : "memory");
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#elif defined __PPC__
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__asm__ __volatile__("lwsync" : : : "memory");
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+#elif defined __loongarch64
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+ __asm__ __volatile__("dbar 0" : : : "memory");
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#else
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#error "no fence defined"
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#endif
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@@ -146,6 +150,8 @@ static INLINE void smp_wmb(void)
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__asm__ __volatile__("bcr 14,0" : : : "memory");
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#elif defined __PPC__
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__asm__ __volatile__("lwsync" : : : "memory");
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+#elif defined __loongarch64
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+ __asm__ __volatile__("dbar 0" : : : "memory");
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#else
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#error "no fence defined"
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#endif
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@@ -172,7 +178,7 @@ static INLINE void smp_mb__before_atomic(void)
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static INLINE void smp_read_barrier_depends(void)
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{
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#if defined(__x86_64__) || defined(__PPC__) || defined(__s390__) \
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- || defined(__aarch64__)
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+ || defined(__aarch64__) || defined(__loongarch64)
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// Nothing needed for these architectures.
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#else
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// Default to playing it safe.
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diff --git a/utils/uds/cpu.h b/utils/uds/cpu.h
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index 6549f6e..e26d653 100644
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--- a/utils/uds/cpu.h
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+++ b/utils/uds/cpu.h
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@@ -36,7 +36,7 @@
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#define CACHE_LINE_BYTES 128
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#elif defined(__s390x__)
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#define CACHE_LINE_BYTES 256
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-#elif defined(__x86_64__) || defined(__aarch64__)
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+#elif defined(__x86_64__) || defined(__aarch64__) || defined(__loongarch64)
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#define CACHE_LINE_BYTES 64
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#else
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#error "unknown cache line size"
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--
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2.33.0
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