selftests/powerpc: Add ptrace tests for VSX, VMX registers

This patch adds ptrace interface test for VSX, VMX registers.
This also adds ptrace interface based helper functions related
to VSX, VMX registers access. This also adds some assembly
helper functions related to VSX and VMX registers.

Signed-off-by: Anshuman Khandual <khandual@linux.vnet.ibm.com>
Signed-off-by: Simon Guo <wei.guo.simon@gmail.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>

1 files changed, 265 insertions, 0 deletions

diff --git a/tools/testing/selftests/powerpc/lib/reg.S b/tools/testing/selftests/powerpc/lib/reg.S
index b6aee2f79454..0dc44f0da065 100644
--- a/tools/testing/selftests/powerpc/lib/reg.S
+++ b/tools/testing/selftests/powerpc/lib/reg.S
@@ -130,3 +130,268 @@ FUNC_START(store_fpr_single_precision)
 	stfs 31, 31*4(3)
 	blr
 FUNC_END(store_fpr_single_precision)
+
+/* VMX/VSX registers - unsigned long buf[128] */
+FUNC_START(loadvsx)
+	lis	4, 0
+	LXVD2X	(0,(4),(3))
+	addi	4, 4, 16
+	LXVD2X	(1,(4),(3))
+	addi	4, 4, 16
+	LXVD2X	(2,(4),(3))
+	addi	4, 4, 16
+	LXVD2X	(3,(4),(3))
+	addi	4, 4, 16
+	LXVD2X	(4,(4),(3))
+	addi	4, 4, 16
+	LXVD2X	(5,(4),(3))
+	addi	4, 4, 16
+	LXVD2X	(6,(4),(3))
+	addi	4, 4, 16
+	LXVD2X	(7,(4),(3))
+	addi	4, 4, 16
+	LXVD2X	(8,(4),(3))
+	addi	4, 4, 16
+	LXVD2X	(9,(4),(3))
+	addi	4, 4, 16
+	LXVD2X	(10,(4),(3))
+	addi	4, 4, 16
+	LXVD2X	(11,(4),(3))
+	addi	4, 4, 16
+	LXVD2X	(12,(4),(3))
+	addi	4, 4, 16
+	LXVD2X	(13,(4),(3))
+	addi	4, 4, 16
+	LXVD2X	(14,(4),(3))
+	addi	4, 4, 16
+	LXVD2X	(15,(4),(3))
+	addi	4, 4, 16
+	LXVD2X	(16,(4),(3))
+	addi	4, 4, 16
+	LXVD2X	(17,(4),(3))
+	addi	4, 4, 16
+	LXVD2X	(18,(4),(3))
+	addi	4, 4, 16
+	LXVD2X	(19,(4),(3))
+	addi	4, 4, 16
+	LXVD2X	(20,(4),(3))
+	addi	4, 4, 16
+	LXVD2X	(21,(4),(3))
+	addi	4, 4, 16
+	LXVD2X	(22,(4),(3))
+	addi	4, 4, 16
+	LXVD2X	(23,(4),(3))
+	addi	4, 4, 16
+	LXVD2X	(24,(4),(3))
+	addi	4, 4, 16
+	LXVD2X	(25,(4),(3))
+	addi	4, 4, 16
+	LXVD2X	(26,(4),(3))
+	addi	4, 4, 16
+	LXVD2X	(27,(4),(3))
+	addi	4, 4, 16
+	LXVD2X	(28,(4),(3))
+	addi	4, 4, 16
+	LXVD2X	(29,(4),(3))
+	addi	4, 4, 16
+	LXVD2X	(30,(4),(3))
+	addi	4, 4, 16
+	LXVD2X	(31,(4),(3))
+	addi	4, 4, 16
+	LXVD2X	(32,(4),(3))
+	addi	4, 4, 16
+	LXVD2X	(33,(4),(3))
+	addi	4, 4, 16
+	LXVD2X	(34,(4),(3))
+	addi	4, 4, 16
+	LXVD2X	(35,(4),(3))
+	addi	4, 4, 16
+	LXVD2X	(36,(4),(3))
+	addi	4, 4, 16
+	LXVD2X	(37,(4),(3))
+	addi	4, 4, 16
+	LXVD2X	(38,(4),(3))
+	addi	4, 4, 16
+	LXVD2X	(39,(4),(3))
+	addi	4, 4, 16
+	LXVD2X	(40,(4),(3))
+	addi	4, 4, 16
+	LXVD2X	(41,(4),(3))
+	addi	4, 4, 16
+	LXVD2X	(42,(4),(3))
+	addi	4, 4, 16
+	LXVD2X	(43,(4),(3))
+	addi	4, 4, 16
+	LXVD2X	(44,(4),(3))
+	addi	4, 4, 16
+	LXVD2X	(45,(4),(3))
+	addi	4, 4, 16
+	LXVD2X	(46,(4),(3))
+	addi	4, 4, 16
+	LXVD2X	(47,(4),(3))
+	addi	4, 4, 16
+	LXVD2X	(48,(4),(3))
+	addi	4, 4, 16
+	LXVD2X	(49,(4),(3))
+	addi	4, 4, 16
+	LXVD2X	(50,(4),(3))
+	addi	4, 4, 16
+	LXVD2X	(51,(4),(3))
+	addi	4, 4, 16
+	LXVD2X	(52,(4),(3))
+	addi	4, 4, 16
+	LXVD2X	(53,(4),(3))
+	addi	4, 4, 16
+	LXVD2X	(54,(4),(3))
+	addi	4, 4, 16
+	LXVD2X	(55,(4),(3))
+	addi	4, 4, 16
+	LXVD2X	(56,(4),(3))
+	addi	4, 4, 16
+	LXVD2X	(57,(4),(3))
+	addi	4, 4, 16
+	LXVD2X	(58,(4),(3))
+	addi	4, 4, 16
+	LXVD2X	(59,(4),(3))
+	addi	4, 4, 16
+	LXVD2X	(60,(4),(3))
+	addi	4, 4, 16
+	LXVD2X	(61,(4),(3))
+	addi	4, 4, 16
+	LXVD2X	(62,(4),(3))
+	addi	4, 4, 16
+	LXVD2X	(63,(4),(3))
+	blr
+FUNC_END(loadvsx)
+
+FUNC_START(storevsx)
+	lis	4, 0
+	STXVD2X	(0,(4),(3))
+	addi	4, 4, 16
+	STXVD2X	(1,(4),(3))
+	addi	4, 4, 16
+	STXVD2X	(2,(4),(3))
+	addi	4, 4, 16
+	STXVD2X	(3,(4),(3))
+	addi	4, 4, 16
+	STXVD2X	(4,(4),(3))
+	addi	4, 4, 16
+	STXVD2X	(5,(4),(3))
+	addi	4, 4, 16
+	STXVD2X	(6,(4),(3))
+	addi	4, 4, 16
+	STXVD2X	(7,(4),(3))
+	addi	4, 4, 16
+	STXVD2X	(8,(4),(3))
+	addi	4, 4, 16
+	STXVD2X	(9,(4),(3))
+	addi	4, 4, 16
+	STXVD2X	(10,(4),(3))
+	addi	4, 4, 16
+	STXVD2X	(11,(4),(3))
+	addi	4, 4, 16
+	STXVD2X	(12,(4),(3))
+	addi	4, 4, 16
+	STXVD2X	(13,(4),(3))
+	addi	4, 4, 16
+	STXVD2X	(14,(4),(3))
+	addi	4, 4, 16
+	STXVD2X	(15,(4),(3))
+	addi	4, 4, 16
+	STXVD2X	(16,(4),(3))
+	addi	4, 4, 16
+	STXVD2X	(17,(4),(3))
+	addi	4, 4, 16
+	STXVD2X	(18,(4),(3))
+	addi	4, 4, 16
+	STXVD2X	(19,(4),(3))
+	addi	4, 4, 16
+	STXVD2X	(20,(4),(3))
+	addi	4, 4, 16
+	STXVD2X	(21,(4),(3))
+	addi	4, 4, 16
+	STXVD2X	(22,(4),(3))
+	addi	4, 4, 16
+	STXVD2X	(23,(4),(3))
+	addi	4, 4, 16
+	STXVD2X	(24,(4),(3))
+	addi	4, 4, 16
+	STXVD2X	(25,(4),(3))
+	addi	4, 4, 16
+	STXVD2X	(26,(4),(3))
+	addi	4, 4, 16
+	STXVD2X	(27,(4),(3))
+	addi	4, 4, 16
+	STXVD2X	(28,(4),(3))
+	addi	4, 4, 16
+	STXVD2X	(29,(4),(3))
+	addi	4, 4, 16
+	STXVD2X	(30,(4),(3))
+	addi	4, 4, 16
+	STXVD2X	(31,(4),(3))
+	addi	4, 4, 16
+	STXVD2X	(32,(4),(3))
+	addi	4, 4, 16
+	STXVD2X	(33,(4),(3))
+	addi	4, 4, 16
+	STXVD2X	(34,(4),(3))
+	addi	4, 4, 16
+	STXVD2X	(35,(4),(3))
+	addi	4, 4, 16
+	STXVD2X	(36,(4),(3))
+	addi	4, 4, 16
+	STXVD2X	(37,(4),(3))
+	addi	4, 4, 16
+	STXVD2X	(38,(4),(3))
+	addi	4, 4, 16
+	STXVD2X	(39,(4),(3))
+	addi	4, 4, 16
+	STXVD2X	(40,(4),(3))
+	addi	4, 4, 16
+	STXVD2X	(41,(4),(3))
+	addi	4, 4, 16
+	STXVD2X	(42,(4),(3))
+	addi	4, 4, 16
+	STXVD2X	(43,(4),(3))
+	addi	4, 4, 16
+	STXVD2X	(44,(4),(3))
+	addi	4, 4, 16
+	STXVD2X	(45,(4),(3))
+	addi	4, 4, 16
+	STXVD2X	(46,(4),(3))
+	addi	4, 4, 16
+	STXVD2X	(47,(4),(3))
+	addi	4, 4, 16
+	STXVD2X	(48,(4),(3))
+	addi	4, 4, 16
+	STXVD2X	(49,(4),(3))
+	addi	4, 4, 16
+	STXVD2X	(50,(4),(3))
+	addi	4, 4, 16
+	STXVD2X	(51,(4),(3))
+	addi	4, 4, 16
+	STXVD2X	(52,(4),(3))
+	addi	4, 4, 16
+	STXVD2X	(53,(4),(3))
+	addi	4, 4, 16
+	STXVD2X	(54,(4),(3))
+	addi	4, 4, 16
+	STXVD2X	(55,(4),(3))
+	addi	4, 4, 16
+	STXVD2X	(56,(4),(3))
+	addi	4, 4, 16
+	STXVD2X	(57,(4),(3))
+	addi	4, 4, 16
+	STXVD2X	(58,(4),(3))
+	addi	4, 4, 16
+	STXVD2X	(59,(4),(3))
+	addi	4, 4, 16
+	STXVD2X	(60,(4),(3))
+	addi	4, 4, 16
+	STXVD2X	(61,(4),(3))
+	addi	4, 4, 16
+	STXVD2X	(62,(4),(3))
+	addi	4, 4, 16
+	STXVD2X	(63,(4),(3))
+	blr
+FUNC_END(storevsx)