kernel/arch/powerpc/lib/test_emulate_step.c, branch linux-5.2.y

treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152

2019-05-30T18:26:32Z

Based on 1 normalized pattern(s): this program is free software you can redistribute it and or modify it under the terms of the gnu general public license as published by the free software foundation either version 2 of the license or at your option any later version extracted by the scancode license scanner the SPDX license identifier GPL-2.0-or-later has been chosen to replace the boilerplate/reference in 3029 file(s). Signed-off-by: Thomas Gleixner Reviewed-by: Allison Randal Cc: linux-spdx@vger.kernel.org Link: https://lkml.kernel.org/r/20190527070032.746973796@linutronix.de Signed-off-by: Greg Kroah-Hartman

powerpc: sstep: Add tests for addc[.] instruction

2019-02-23T10:04:31Z

This adds test cases for the addc[.] instruction. Signed-off-by: Sandipan Das Signed-off-by: Michael Ellerman

powerpc: sstep: Add tests for add[.] instruction

2019-02-23T10:04:31Z

This adds test cases for the add[.] instruction. Signed-off-by: Sandipan Das Signed-off-by: Michael Ellerman

powerpc: sstep: Add tests for compute type instructions

2019-02-23T10:04:31Z

This enhances the current selftest framework for validating the in-kernel instruction emulation infrastructure by adding support for compute type instructions i.e. integer ALU-based instructions. Originally, this framework was limited to only testing load and store instructions. While most of the GPRs can be validated, support for SPRs is limited to LR, CR and XER for now. When writing the test cases, one must ensure that the Stack Pointer (GPR1) or the Thread Pointer (GPR13) are not touched by any means as these are vital non-volatile registers. Signed-off-by: Sandipan Das [mpe: Use patch_site for the code patching] Signed-off-by: Michael Ellerman

powerpc/sstep: Fix emulate_step test if VSX not present

2018-06-03T14:39:14Z

emulate_step() tests are failing if VSX is not supported or disabled. emulate_step_test: lxvd2x : FAIL emulate_step_test: stxvd2x : FAIL If !CPU_FTR_VSX, emulate_step() failure is expected and testcase should PASS with a valid justification. After patch: emulate_step_test: lxvd2x : PASS (!CPU_FTR_VSX) emulate_step_test: stxvd2x : PASS (!CPU_FTR_VSX) Signed-off-by: Ravi Bangoria Signed-off-by: Michael Ellerman

powerpc: emulate_step() tests for load/store instructions

2017-03-03T00:24:50Z

Add new selftest that test emulate_step for Normal, Floating Point, Vector and Vector Scalar - load/store instructions. Test should run at boot time if CONFIG_KPROBES_SANITY_TEST and CONFIG_PPC64 is set. Sample log: emulate_step_test: ld : PASS emulate_step_test: lwz : PASS emulate_step_test: lwzx : PASS emulate_step_test: std : PASS emulate_step_test: ldarx / stdcx. : PASS emulate_step_test: lfsx : PASS emulate_step_test: stfsx : PASS emulate_step_test: lfdx : PASS emulate_step_test: stfdx : PASS emulate_step_test: lvx : PASS emulate_step_test: stvx : PASS emulate_step_test: lxvd2x : PASS emulate_step_test: stxvd2x : PASS Signed-off-by: Ravi Bangoria [mpe: Drop start/complete lines, make it all __init] Signed-off-by: Michael Ellerman