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@@ -0,0 +1,26 @@ | ||
--- utilities/transactions/lock/range/range_tree/lib/portability/toku_time.h 2021-11-25 22:20:08.918983110 +0800 | ||
+++ utilities/transactions/lock/range/range_tree/lib/portability/toku_time.h 2021-11-25 23:57:44.352396324 +0800 | ||
@@ -133,6 +133,23 @@ | ||
return result; | ||
#elif defined(__powerpc__) | ||
return __ppc_get_timebase(); | ||
+#elif defined(__riscv) && __riscv_xlen == 32 | ||
+ uint32_t cycles_lo, cycles_hi0, cycles_hi1; | ||
+ // Implemented in assembly because Clang insisted on branching. | ||
+ asm volatile( | ||
+ "rdcycleh %0\n" | ||
+ "rdcycle %1\n" | ||
+ "rdcycleh %2\n" | ||
+ "sub %0, %0, %2\n" | ||
+ "seqz %0, %0\n" | ||
+ "sub %0, zero, %0\n" | ||
+ "and %1, %1, %0\n" | ||
+ : "=r"(cycles_hi0), "=r"(cycles_lo), "=r"(cycles_hi1)); | ||
+ return (static_cast<uint64_t>(cycles_hi1) << 32) | cycles_lo; | ||
+#elif defined(__riscv) && __riscv_xlen == 64 | ||
+ uint64_t cycles; | ||
+ asm volatile("rdcycle %0" : "=r"(cycles)); | ||
+ return cycles; | ||
#else | ||
#error No timer implementation for this platform | ||
#endif |
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--- PKGBUILD | ||
+++ PKGBUILD | ||
@@ -10,8 +10,18 @@ url="https://rocksdb.org/" | ||
license=(GPL2 Apache) | ||
depends=(bzip2 jemalloc lz4 snappy zlib zstd tbb liburing) | ||
makedepends=(python) | ||
-source=(rocksdb-$pkgver.tar.gz::https://github.com/facebook/rocksdb/archive/v$pkgver.tar.gz) | ||
-sha256sums=('b793066463da71d31a46f31946e4fca435a7c3e73435e2bb1d062d95e0a20116') | ||
+source=(rocksdb-$pkgver.tar.gz::https://github.com/facebook/rocksdb/archive/v$pkgver.tar.gz | ||
+ 0000-toku-time-riscv.patch) | ||
+sha256sums=('b793066463da71d31a46f31946e4fca435a7c3e73435e2bb1d062d95e0a20116' | ||
+ '9bd4ddbbcad2da293026be27921057f096370894efbb16314246cbf9d463f4a2') | ||
+ | ||
+prepare() { | ||
+ cd rocksdb-$pkgver | ||
+ sed -i "s/-lpthread/-pthread/" build_tools/build_detect_platform examples/Makefile | ||
+ | ||
+ # see https://github.com/facebook/rocksdb/pull/9215 | ||
+ patch -p0 -i ../0000-toku-time-riscv.patch | ||
+} | ||
|
||
build() { | ||
cd rocksdb-$pkgver |