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authorAndré Fabian Silva Delgado <emulatorman@parabola.nu>2015-08-05 17:04:01 -0300
committerAndré Fabian Silva Delgado <emulatorman@parabola.nu>2015-08-05 17:04:01 -0300
commit57f0f512b273f60d52568b8c6b77e17f5636edc0 (patch)
tree5e910f0e82173f4ef4f51111366a3f1299037a7b /arch/sparc/crypto/crc32c_asm.S
Initial import
Diffstat (limited to 'arch/sparc/crypto/crc32c_asm.S')
-rw-r--r--arch/sparc/crypto/crc32c_asm.S20
1 files changed, 20 insertions, 0 deletions
diff --git a/arch/sparc/crypto/crc32c_asm.S b/arch/sparc/crypto/crc32c_asm.S
new file mode 100644
index 000000000..2b1976e76
--- /dev/null
+++ b/arch/sparc/crypto/crc32c_asm.S
@@ -0,0 +1,20 @@
+#include <linux/linkage.h>
+#include <asm/visasm.h>
+#include <asm/asi.h>
+
+#include "opcodes.h"
+
+ENTRY(crc32c_sparc64)
+ /* %o0=crc32p, %o1=data_ptr, %o2=len */
+ VISEntryHalf
+ lda [%o0] ASI_PL, %f1
+1: ldd [%o1], %f2
+ CRC32C(0,2,0)
+ subcc %o2, 8, %o2
+ bne,pt %icc, 1b
+ add %o1, 0x8, %o1
+ sta %f1, [%o0] ASI_PL
+ VISExitHalf
+2: retl
+ nop
+ENDPROC(crc32c_sparc64)