Add the rt linux 4.1.3-rt3 as base

[kvmfornfv.git] / kernel / tools / testing / selftests / powerpc / switch_endian / check.S

diff --git a/kernel/tools/testing/selftests/powerpc/switch_endian/check.S b/kernel/tools/testing/selftests/powerpc/switch_endian/check.S
new file mode 100644 (file)
index 0000000..e2484d2
--- /dev/null
+++ b/kernel/tools/testing/selftests/powerpc/switch_endian/check.S
@@ -0,0 +1,100 @@
+#include "common.h"
+
+/*
+ * Checks that registers contain what we expect, ie. they were not clobbered by
+ * the syscall.
+ *
+ * r15: pattern to check registers against.
+ *
+ * At the end r3 == 0 if everything's OK.
+ */
+       nop                     # guaranteed to be illegal in reverse-endian
+       mr      r9,r15
+       cmpd    r9,r3           # check r3
+       bne     1f
+       addi    r9,r15,4        # check r4
+       cmpd    r9,r4
+       bne     1f
+       lis     r9,0x00FF       # check CR
+       ori     r9,r9,0xF000
+       mfcr    r10
+       and     r10,r10,r9
+       cmpw    r9,r10
+       addi    r9,r15,34
+       bne     1f
+       addi    r9,r15,32       # check LR
+       mflr    r10
+       cmpd    r9,r10
+       bne     1f
+       addi    r9,r15,5        # check r5
+       cmpd    r9,r5
+       bne     1f
+       addi    r9,r15,6        # check r6
+       cmpd    r9,r6
+       bne     1f
+       addi    r9,r15,7        # check r7
+       cmpd    r9,r7
+       bne     1f
+       addi    r9,r15,8        # check r8
+       cmpd    r9,r8
+       bne     1f
+       addi    r9,r15,13       # check r13
+       cmpd    r9,r13
+       bne     1f
+       addi    r9,r15,14       # check r14
+       cmpd    r9,r14
+       bne     1f
+       addi    r9,r15,16       # check r16
+       cmpd    r9,r16
+       bne     1f
+       addi    r9,r15,17       # check r17
+       cmpd    r9,r17
+       bne     1f
+       addi    r9,r15,18       # check r18
+       cmpd    r9,r18
+       bne     1f
+       addi    r9,r15,19       # check r19
+       cmpd    r9,r19
+       bne     1f
+       addi    r9,r15,20       # check r20
+       cmpd    r9,r20
+       bne     1f
+       addi    r9,r15,21       # check r21
+       cmpd    r9,r21
+       bne     1f
+       addi    r9,r15,22       # check r22
+       cmpd    r9,r22
+       bne     1f
+       addi    r9,r15,23       # check r23
+       cmpd    r9,r23
+       bne     1f
+       addi    r9,r15,24       # check r24
+       cmpd    r9,r24
+       bne     1f
+       addi    r9,r15,25       # check r25
+       cmpd    r9,r25
+       bne     1f
+       addi    r9,r15,26       # check r26
+       cmpd    r9,r26
+       bne     1f
+       addi    r9,r15,27       # check r27
+       cmpd    r9,r27
+       bne     1f
+       addi    r9,r15,28       # check r28
+       cmpd    r9,r28
+       bne     1f
+       addi    r9,r15,29       # check r29
+       cmpd    r9,r29
+       bne     1f
+       addi    r9,r15,30       # check r30
+       cmpd    r9,r30
+       bne     1f
+       addi    r9,r15,31       # check r31
+       cmpd    r9,r31
+       bne     1f
+       b       2f
+1:     mr      r3, r9
+       li      r0, __NR_exit
+       sc
+2:     li      r0, __NR_switch_endian
+       nop