diff --git a/sys/conf/files.powerpc b/sys/conf/files.powerpc
--- a/sys/conf/files.powerpc
+++ b/sys/conf/files.powerpc
@@ -17,8 +17,17 @@
 # zfs sha2 hash support
 contrib/openzfs/module/icp/asm-ppc64/sha2/sha256-p8.S		optional zfs compile-with "${ZFS_S}"
 contrib/openzfs/module/icp/asm-ppc64/sha2/sha512-p8.S		optional zfs compile-with "${ZFS_S}"
-contrib/openzfs/module/icp/asm-ppc64/sha2/sha256-ppc.S		optional zfs compile-with "${ZFS_S}"
-contrib/openzfs/module/icp/asm-ppc64/sha2/sha512-ppc.S		optional zfs compile-with "${ZFS_S}"
+zfs-sha256-ppc.o		optional	zfs			\
+	dependency "$S/contrib/openzfs/module/icp/asm-ppc64/sha2/sha256-ppc.S" \
+	compile-with	"${CC} -c ${ZFS_ASM_CFLAGS} -o ${.TARGET} ${WERROR} $S/contrib/openzfs/module/icp/asm-ppc64/sha2/sha256-ppc.S" \
+	no-implicit-rule \
+	clean "zfs-sha256-ppc.o"
+
+zfs-sha512-ppc.o		optional	zfs			\
+	dependency "$S/contrib/openzfs/module/icp/asm-ppc64/sha2/sha512-ppc.S" \
+	compile-with	"${CC} -c ${ZFS_ASM_CFLAGS} -o ${.TARGET} ${WERROR} $S/contrib/openzfs/module/icp/asm-ppc64/sha2/sha512-ppc.S" \
+	no-implicit-rule \
+	clean "zfs-sha256-ppc.o"
 
 # openssl ppc common files
 crypto/openssl/ossl_ppc.c	optional	ossl powerpc64 | ossl powerpc64le
diff --git a/sys/contrib/openzfs/include/os/freebsd/spl/sys/simd_powerpc.h b/sys/contrib/openzfs/include/os/freebsd/spl/sys/simd_powerpc.h
--- a/sys/contrib/openzfs/include/os/freebsd/spl/sys/simd_powerpc.h
+++ b/sys/contrib/openzfs/include/os/freebsd/spl/sys/simd_powerpc.h
@@ -44,16 +44,25 @@
 #ifndef _FREEBSD_SIMD_POWERPC_H
 #define	_FREEBSD_SIMD_POWERPC_H
 
+#include <machine/pcpu.h>
+
 #include <sys/types.h>
 #include <sys/cdefs.h>
 
 #include <machine/pcb.h>
 #include <machine/cpu.h>
+#include <machine/fpu.h>
 
-#define	kfpu_allowed()		0
+#define	kfpu_allowed()		1
 #define	kfpu_initialize(tsk)	do {} while (0)
-#define	kfpu_begin()		do {} while (0)
-#define	kfpu_end()		do {} while (0)
+#define kfpu_begin() {					\
+	if (__predict_false(!is_fpu_kern_thread(0)))	\
+	fpu_kern_enter(PCPU_GET(curthread), NULL, FPU_KERN_NOCTX);\
+}
+#define kfpu_end()	{				\
+	if (__predict_false(PCPU_GET(curthread)->td_pcb->pcb_flags & PCB_KERN_FPU_NOSAVE))\
+	fpu_kern_leave(PCPU_GET(curthread), NULL);	\
+}
 #define	kfpu_init()		(0)
 #define	kfpu_fini()		do {} while (0)