From c2a86fabc26c029e8d9e2a22f25ba6aa7ae8b143 Mon Sep 17 00:00:00 2001
From: Xeonacid <h.dwwwwww@gmail.com>
Date: Sat, 20 Jun 2026 09:24:56 +0200
Subject: [PATCH] addpatch: snmalloc 0.7.4-1

---
 snmalloc/riscv64.patch               | 17 +++++++++++
 snmalloc/snmalloc-riscv-rdtime.patch | 43 ++++++++++++++++++++++++++++
 2 files changed, 60 insertions(+)
 create mode 100644 snmalloc/riscv64.patch
 create mode 100644 snmalloc/snmalloc-riscv-rdtime.patch

diff --git a/snmalloc/riscv64.patch b/snmalloc/riscv64.patch
new file mode 100644
index 000000000..be97ca73b
--- /dev/null
+++ b/snmalloc/riscv64.patch
@@ -0,0 +1,17 @@
+diff --git PKGBUILD PKGBUILD
+index 22adf65..8c9710f 100644
+--- PKGBUILD
++++ PKGBUILD
+@@ -46,3 +46,12 @@
+   DESTDIR="$pkgdir" cmake --install build
+   install -vDm 644 $pkgname-$pkgver/LICENSE -t "$pkgdir/usr/share/licenses/$pkgname/"
+ }
++
++source_riscv64=("$pkgname-riscv-rdtime.patch")
++sha512sums_riscv64=('04f5f4e070e94d3ec519e756d5c25b2a8f3c5cd5687895423f09deee5d17cd8bf000d0065181a3100547f41a6a690e8336c9bde1e1a3ada5b4b026bbb22c2c1a')
++b2sums_riscv64=('a27a8fcfe4279cf6e364d9414654861c35f3ec9492e2a1345a48d9ed61359771a43ca36cc2c74eb59e949b3921c889970f2e20c50b1d0189fa2cd84a879bc092')
++
++prepare() {
++  cd "$pkgname-$pkgver"
++  patch -Np1 -i ../$pkgname-riscv-rdtime.patch
++}
diff --git a/snmalloc/snmalloc-riscv-rdtime.patch b/snmalloc/snmalloc-riscv-rdtime.patch
new file mode 100644
index 000000000..4d7b7ecf0
--- /dev/null
+++ b/snmalloc/snmalloc-riscv-rdtime.patch
@@ -0,0 +1,43 @@
+diff --git a/src/snmalloc/aal/aal.h b/src/snmalloc/aal/aal.h
+index f0d1207..3ce0703 100644
+--- a/src/snmalloc/aal/aal.h
++++ b/src/snmalloc/aal/aal.h
+@@ -173,6 +173,7 @@ namespace snmalloc
+       else
+       {
+ #if __has_builtin(__builtin_readcyclecounter) && !defined(__APPLE__) && \
++  !defined(__riscv) && \
+   !defined(SNMALLOC_NO_AAL_BUILTINS)
+         return __builtin_readcyclecounter();
+ #else
+diff --git a/src/snmalloc/aal/aal_riscv.h b/src/snmalloc/aal/aal_riscv.h
+index 42d510c..b3dba74 100644
+--- a/src/snmalloc/aal/aal_riscv.h
++++ b/src/snmalloc/aal/aal_riscv.h
+@@ -21,6 +21,26 @@ namespace snmalloc
+
+     static constexpr AalName aal_name = RISCV;
+
++    static inline uint64_t tick() noexcept
++    {
++#if __riscv_xlen == 64
++      uint64_t t;
++      __asm__ volatile("rdtime %0" : "=r"(t));
++      return t;
++#else
++      uint32_t hi;
++      uint32_t hi2;
++      uint32_t lo;
++      do
++      {
++        __asm__ volatile("rdtimeh %0" : "=r"(hi));
++        __asm__ volatile("rdtime %0" : "=r"(lo));
++        __asm__ volatile("rdtimeh %0" : "=r"(hi2));
++      } while (hi != hi2);
++      return (static_cast<uint64_t>(hi) << 32) | lo;
++#endif
++    }
++
+     static void inline pause()
+     {
+       /*