1 files changed, 30 insertions, 0 deletions
diff --git a/sysdeps/sparc/sparc64/multiarch/sha256-block.c b/sysdeps/sparc/sparc64/multiarch/sha256-block.c
new file mode 100644
index 0000000000..79966b93d7
--- /dev/null
+++ b/sysdeps/sparc/sparc64/multiarch/sha256-block.c
@@ -0,0 +1,30 @@
+#include <sparc-ifunc.h>
+
+#define sha256_process_block sha256_process_block_generic
+extern void sha256_process_block_generic (const void *buffer, size_t len,
+					  struct sha256_ctx *ctx);
+
+#include <crypt/sha256-block.c>
+
+#undef sha256_process_block
+
+extern void __sha256_process_block_crop (const void *buffer, size_t len,
+					 struct sha256_ctx *ctx);
+
+static bool cpu_supports_sha256(int hwcap)
+{
+  unsigned long cfr;
+
+  if (!(hwcap & HWCAP_SPARC_CRYPTO))
+    return false;
+
+  __asm__ ("rd %%asr26, %0" : "=r" (cfr));
+  if (cfr & (1 << 6))
+    return true;
+
+  return false;
+}
+
+extern void sha256_process_block (const void *buffer, size_t len,
+				  struct sha256_ctx *ctx);
+sparc_libc_ifunc(sha256_process_block, cpu_supports_sha256(hwcap) ? __sha256_process_block_crop : sha256_process_block_generic);