[kvm-unit-tests PATCH v2 8/8] s390x: Remove SAVE/RESTORE_stack

Janosch Frank
2021-02-17T14:43:25Z

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Signed-off-by: Janosch Frank <frankja@linux.ibm.com>
Reviewed-by: Claudio Imbrenda <imbrenda@linux.ibm.com>
Reviewed-by: Pierre Morel <pmorel@linux.ibm.com>
---
s390x/macros.S | 29 -----------------------------
1 file changed, 29 deletions(-)

diff --git a/s390x/macros.S b/s390x/macros.S
index 212a3823..399a87c6 100644
--- a/s390x/macros.S
+++ b/s390x/macros.S
@@ -28,35 +28,6 @@
lpswe \old_psw
.endm

- .macro SAVE_REGS
- /* save grs 0-15 */
- stmg %r0, %r15, GEN_LC_SW_INT_GRS
- /* save crs 0-15 */
- stctg %c0, %c15, GEN_LC_SW_INT_CRS
- /* load a cr0 that has the AFP control bit which enables all FPRs */
- larl %r1, initial_cr0
- lctlg %c0, %c0, 0(%r1)
- /* save fprs 0-15 + fpc */
- la %r1, GEN_LC_SW_INT_FPRS
- .irp i, 0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15
- std \i, \i * 8(%r1)
- .endr
- stfpc GEN_LC_SW_INT_FPC
- .endm
-
- .macro RESTORE_REGS
- /* restore fprs 0-15 + fpc */
- la %r1, GEN_LC_SW_INT_FPRS
- .irp i, 0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15
- ld \i, \i * 8(%r1)
- .endr
- lfpc GEN_LC_SW_INT_FPC
- /* restore crs 0-15 */
- lctlg %c0, %c15, GEN_LC_SW_INT_CRS
- /* restore grs 0-15 */
- lmg %r0, %r15, GEN_LC_SW_INT_GRS
- .endm
-
/* Save registers on the stack (r15), so we can have stacked interrupts. */
.macro SAVE_REGS_STACK
/* Allocate a full stack frame */
--
2.25.1