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This adds test cases for the addc[.] instruction.
Signed-off-by: Sandipan Das <sandipan@linux.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
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This adds test cases for the add[.] instruction.
Signed-off-by: Sandipan Das <sandipan@linux.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
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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 <sandipan@linux.ibm.com>
[mpe: Use patch_site for the code patching]
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
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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 <ravi.bangoria@linux.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
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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 <ravi.bangoria@linux.vnet.ibm.com>
[mpe: Drop start/complete lines, make it all __init]
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
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