e902126cae
Add a number of small test that check whether accessing unaligned addresses in various ways leads to a specification exception. Run these test both in softmmu and user configurations; expect a PGM in one case and SIGILL in the other. Signed-off-by: Ilya Leoshkevich <iii@linux.ibm.com> Reviewed-by: Thomas Huth <thuth@redhat.com> Message-Id: <20230316164428.275147-13-iii@linux.ibm.com> [thuth: Added -Wl,--build-id=none to LDFLAGS] Signed-off-by: Thomas Huth <thuth@redhat.com>
41 lines
1 KiB
ArmAsm
41 lines
1 KiB
ArmAsm
/*
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* Common softmmu code for specification exception testing.
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*
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* SPDX-License-Identifier: GPL-2.0-or-later
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*/
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.section .head
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.org 0x8d
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ilc:
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.org 0x8e
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program_interruption_code:
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.org 0x150
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program_old_psw:
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.org 0x1D0 /* program new PSW */
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.quad 0x180000000,pgm /* 64-bit mode */
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.org 0x200 /* lowcore padding */
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.globl _start
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_start:
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lpswe test_psw
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pgm:
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chhsi program_interruption_code,0x6 /* PGM_SPECIFICATION? */
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jne failure
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lg %r0,expected_old_psw+8 /* ilc adjustment */
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llgc %r1,ilc
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agr %r0,%r1
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stg %r0,expected_old_psw+8
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clc expected_old_psw(16),program_old_psw /* correct location? */
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jne failure
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lpswe success_psw
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failure:
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lpswe failure_psw
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.align 8
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test_psw:
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.quad 0x180000000,test /* 64-bit mode */
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success_psw:
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.quad 0x2000180000000,0xfff /* see is_special_wait_psw() */
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failure_psw:
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.quad 0x2000180000000,0 /* disabled wait */
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