vdo/0003-RISC-V-support.patch

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2023-03-17 16:42:17 +08:00
diff --git a/utils/uds/atomicDefs.h b/utils/uds/atomicDefs.h
index f468369..673f974 100644
--- a/utils/uds/atomicDefs.h
+++ b/utils/uds/atomicDefs.h
@@ -98,6 +98,8 @@ static INLINE void smp_mb(void)
__asm__ __volatile__("sync" : : : "memory");
#elif defined __loongarch64
__asm__ __volatile__("dbar 0" : : : "memory");
+#elif defined __riscv
+ __asm__ __volatile__("fence rw,rw" : : : "memory");
#else
#error "no fence defined"
#endif
@@ -125,6 +127,8 @@ static INLINE void smp_rmb(void)
__asm__ __volatile__("lwsync" : : : "memory");
#elif defined __loongarch64
__asm__ __volatile__("dbar 0" : : : "memory");
+#elif defined __riscv
+ __asm__ __volatile__("fence r,r" : : : "memory");
#else
#error "no fence defined"
#endif
@@ -152,6 +156,8 @@ static INLINE void smp_wmb(void)
__asm__ __volatile__("lwsync" : : : "memory");
#elif defined __loongarch64
__asm__ __volatile__("dbar 0" : : : "memory");
+#elif defined __riscv
+ __asm__ __volatile__("fence w,w" : : : "memory");
#else
#error "no fence defined"
#endif
@@ -178,7 +184,7 @@ static INLINE void smp_mb__before_atomic(void)
static INLINE void smp_read_barrier_depends(void)
{
#if defined(__x86_64__) || defined(__PPC__) || defined(__s390__) \
- || defined(__aarch64__) || defined(__loongarch64)
+ || defined(__aarch64__) || defined(__loongarch64) || defined(__riscv)
// Nothing needed for these architectures.
#else
// Default to playing it safe.
diff --git a/utils/uds/cpu.h b/utils/uds/cpu.h
index e26d653..f3fd61f 100644
--- a/utils/uds/cpu.h
+++ b/utils/uds/cpu.h
@@ -36,7 +36,7 @@
#define CACHE_LINE_BYTES 128
#elif defined(__s390x__)
#define CACHE_LINE_BYTES 256
-#elif defined(__x86_64__) || defined(__aarch64__) || defined(__loongarch64)
+#elif defined(__x86_64__) || defined(__aarch64__) || defined(__loongarch64) || defined(__riscv)
#define CACHE_LINE_BYTES 64
#else
#error "unknown cache line size"
diff --git a/utils/uds/Makefile b/utils/uds/Makefile
index e33d682..ff6ece0 100644
--- a/utils/uds/Makefile
+++ b/utils/uds/Makefile
@@ -32,8 +32,11 @@ ifeq ($(origin CC), default)
CC=gcc
endif
+ifeq ($(filter riscv64%,$(MAKE_HOST)),)
+Wcast-align = -Wcast-align
+endif
WARNS = -Wall \
- -Wcast-align \
+ $(Wcast-align) \
-Werror \
-Wextra \
-Winit-self \
diff --git a/utils/vdo/base/Makefile b/utils/vdo/base/Makefile
index fb009a7..26a8e28 100644
--- a/utils/vdo/base/Makefile
+++ b/utils/vdo/base/Makefile
@@ -22,9 +22,12 @@ VDO_VERSION = 6.2.6.14
UDS_DIR = ../../uds
+ifeq ($(filter riscv64%,$(MAKE_HOST)),)
+Wcast-align = -Wcast-align
+endif
WARNS = \
-Wall \
- -Wcast-align \
+ $(Wcast-align) \
-Werror \
-Wextra \
-Winit-self \
diff --git a/utils/vdo/user/Makefile b/utils/vdo/user/Makefile
index 8946fb3..698dede 100644
--- a/utils/vdo/user/Makefile
+++ b/utils/vdo/user/Makefile
@@ -24,9 +24,12 @@ VDO_VERSION = 6.2.6.14
UDS_DIR = ../../uds
VDO_BASE_DIR = ../base
+ifeq ($(filter riscv64%,$(MAKE_HOST)),)
+Wcast-align = -Wcast-align
+endif
WARNS = \
-Wall \
- -Wcast-align \
+ $(Wcast-align) \
-Werror \
-Wextra \
-Winit-self \