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| author | Thomas Huth <thuth@redhat.com> | 2019-05-23 19:43:06 +0300 |
|---|---|---|
| committer | Christian Borntraeger <borntraeger@de.ibm.com> | 2019-06-04 15:05:38 +0300 |
| commit | edf54478d83eb0ca4174a2c9c01682c1d01cbe7d (patch) | |
| tree | 14c34494794350f1074dc9fcbf127ef2bfc38b01 /tools/testing/selftests/kvm/include/s390x | |
| parent | da2a2d601c2d95bedf23b896bd409d53c92c04ad (diff) | |
| download | linux-edf54478d83eb0ca4174a2c9c01682c1d01cbe7d.tar.xz | |
KVM: selftests: Add processor code for s390x
Code that takes care of basic CPU setup, page table walking, etc.
Signed-off-by: Thomas Huth <thuth@redhat.com>
Message-Id: <20190523164309.13345-7-thuth@redhat.com>
Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
Diffstat (limited to 'tools/testing/selftests/kvm/include/s390x')
| -rw-r--r-- | tools/testing/selftests/kvm/include/s390x/processor.h | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/tools/testing/selftests/kvm/include/s390x/processor.h b/tools/testing/selftests/kvm/include/s390x/processor.h new file mode 100644 index 000000000000..e0e96a5f608c --- /dev/null +++ b/tools/testing/selftests/kvm/include/s390x/processor.h @@ -0,0 +1,22 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/* + * s390x processor specific defines + */ +#ifndef SELFTEST_KVM_PROCESSOR_H +#define SELFTEST_KVM_PROCESSOR_H + +/* Bits in the region/segment table entry */ +#define REGION_ENTRY_ORIGIN ~0xfffUL /* region/segment table origin */ +#define REGION_ENTRY_PROTECT 0x200 /* region protection bit */ +#define REGION_ENTRY_NOEXEC 0x100 /* region no-execute bit */ +#define REGION_ENTRY_OFFSET 0xc0 /* region table offset */ +#define REGION_ENTRY_INVALID 0x20 /* invalid region table entry */ +#define REGION_ENTRY_TYPE 0x0c /* region/segment table type mask */ +#define REGION_ENTRY_LENGTH 0x03 /* region third length */ + +/* Bits in the page table entry */ +#define PAGE_INVALID 0x400 /* HW invalid bit */ +#define PAGE_PROTECT 0x200 /* HW read-only bit */ +#define PAGE_NOEXEC 0x100 /* HW no-execute bit */ + +#endif |