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/kvm-unit-tests/s390x/
H A Dintercept.c1 /* SPDX-License-Identifier: GPL-2.0-only */
3 * Interception tests - for s390x CPU instruction that cause a VM exit
12 #include <asm/asm-offsets.h>
24 /* Test the STORE PREFIX instruction */
27 uint32_t old_prefix = -1U, tst_prefix = -1U; in test_stpx()
30 /* Can we successfully change the prefix? */ in test_stpx()
35 report(old_prefix == 0 && tst_prefix == new_prefix, "store prefix"); in test_stpx()
48 asm volatile(" stpx 0(%0) " : : "a"(-8L)); in test_stpx()
52 /* Test the SET PREFIX instruction */
61 * Temporarily change the prefix page to our buffer, and store in test_spx()
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H A Dsmp.c1 /* SPDX-License-Identifier: GPL-2.0-only */
11 #include <asm/asm-offsets.h>
15 #include <asm-generic/barrier.h>
23 #define INVALID_CPU_ADDRESS -4711
47 char name[20]; member
71 cc = sigp(INVALID_CPU_ADDRESS, c->order, 0, &status); in test_invalid()
72 report(cc == 3, "%s", c->message); in test_invalid()
77 cc = smp_sigp(1, c->order, 0, &status); in test_invalid()
78 report(cc == 1, "%s", c->message); in test_invalid()
113 struct lowcore *lc = cpu->lowcore; in test_restart()
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H A Dexittime.c1 /* SPDX-License-Identifier: GPL-2.0-only */
124 unsigned int prefix; in test_stpx() local
127 "stpx %[prefix]" in test_stpx()
128 : [prefix] "=Q" (prefix) in test_stpx()
171 sccb->h.length = 8; in test_servc()
181 const char *name; member
184 * When non-null, will be called once before running the test loop.
237 uint64_t total = tod_to_ns(normalize_iters(test_result->total, test->iters)), in report_iteration_result()
238 best = tod_to_ns(normalize_iters(test_result->best, test->iters)), in report_iteration_result()
239 average = tod_to_ns(normalize_iters(test_result->average, test->iters)), in report_iteration_result()
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/kvm-unit-tests/
H A Dconfigure3 if [ -z "${BASH_VERSINFO[0]}" ] || [ "${BASH_VERSINFO[0]}" -lt 4 ] ; then
4 echo "Error: Bash version 4 or newer is required for the kvm-unit-tests"
15 echo "cortex-a15"
18 echo "cortex-a57"
33 echo "cortex-a15"
42 prefix=/usr/local
51 arch=$(uname -m | sed -e 's/i.86/i386/;s/arm64/aarch64/;s/arm.*/arm/;s/ppc64.*/ppc64/')
72 # Enable -Werror by default for git repositories only (i.e. developer builds)
73 if [ -e "$srcdir"/.git ]; then
74 werror=-Werror
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H A DREADME1 # Welcome to kvm-unit-tests
3 See http://www.linux-kvm.org/page/KVM-unit-tests for a high-level
18 NOTE: GCC cross-compiler is required for [build on macOS](README.macOS.md).
20 ## Cross-compiling
22 A cross compiler may be configured by specifying a cross prefix. For example,
25 ./configure --arch=arm64 --cross-prefix=aarch64-linux-gnu-
32 ./configure --cc=clang
35 clang may also be used with cross binutils when cross-compiling. For example,
38 ./configure --arch=riscv64 --cc=clang --cflags='--target=riscv64' \
39 --cross-prefix=riscv64-linux-gnu-
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H A DREADME.md1 # Welcome to kvm-unit-tests
3 See http://www.linux-kvm.org/page/KVM-unit-tests for a high-level
18 NOTE: GCC cross-compiler is required for [build on macOS](README.macOS.md).
20 ## Cross-compiling
22 A cross compiler may be configured by specifying a cross prefix. For example,
25 ./configure --arch=arm64 --cross-prefix=aarch64-linux-gnu-
32 ./configure --cc=clang
35 clang may also be used with cross binutils when cross-compiling. For example,
38 ./configure --arch=riscv64 --cc=clang --cflags='--target=riscv64' \
39 --cross-prefix=riscv64-linux-gnu-
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H A DMakefile4 $(error run ./configure first. See ./configure -h)
14 libdirs-get = $(shell [ -d "lib/$(1)" ] && echo "lib/$(1) lib/$(1)/asm")
15 ARCH_LIBDIRS := $(call libdirs-get,$(ARCH_LIBDIR)) $(call libdirs-get,$(TEST_DIR))
18 DESTDIR := $(PREFIX)/share/kvm-unit-tests/
22 # cc-option
23 # Usage: OP_CFLAGS+=$(call cc-option, -falign-functions=0, -malign-functions=0)
24 cc-option = $(shell if $(CC) $(CFLAGS) -Werror $(1) -S -o /dev/null -xc /dev/null \
46 EFI_CFLAGS := -DCONFIG_EFI -DCONFIG_RELOC
48 # - GNU-EFI/Makefile.defaults
49 # - GNU-EFI/apps/Makefile
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/kvm-unit-tests/x86/
H A Dla57.c142 * breaks the wrmsr_safe macro (it uses GS for per-CPU data). in test_register_write()
184 /* 57-canonical value will work on CPUs that *support* LA57 */ in test_register()
194 #define TEST_REGISTER(name, force_emulation) \ argument
195 test_register(#name, TEST_REGISTER_ ##name, force_emulation)
217 "Tested invpcid type 0 with 0x%lx value - %s", in __test_invpcid()
260 * on Intel, to support cross-vendor migration. This includes nested in __test_canonical_checks()
287 report_skip("Skipping MSR_IA32_DS_AREA - PEBS not supported"); in __test_canonical_checks()
302 report_skip("Skipping MSR_IA32_RTIT_ADDR* - Intel PT is not supported"); in __test_canonical_checks()
309 report_skip("Skipping INVPCID - not supported"); in __test_canonical_checks()
319 report_skip("Force emulation prefix not enabled"); in test_canonical_checks()
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H A Dpmu.c5 #include "x86/apic-defs.h"
27 "add $(2f-1b), %%eax\n\t" \
38 "add $(2f-1b), %%rax\n\t" \
74 * KVM_FEP is a magic prefix that forces emulation so
111 const char *name; member
196 u32 eax = cntrs & (BIT_ULL(32) - 1); in __precise_loop()
228 * as the counts will vary depending on how many asynchronous VM-Exits in adjust_events_range()
273 return evt->ctr < MSR_CORE_PERF_FIXED_CTR0 || in is_gp()
274 evt->ctr >= MSR_IA32_PMC0; in is_gp()
280 return cnt->ctr - (is_gp(cnt) ? pmu.msr_gp_counter_base : in event_to_global_idx()
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/kvm-unit-tests/lib/
H A Dlibcflat.h13 * Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
36 #define __ALIGN(x, a) __ALIGN_MASK(x, (typeof(x))(a) - 1)
38 #define ALIGN_DOWN(x, a) __ALIGN((x) - ((a) - 1), (a))
39 #define IS_ALIGNED(x, a) (((x) & ((typeof(x))(a) - 1)) == 0)
84 extern char *getenv(const char *name);
97 extern void report_prefix_push(const char *prefix);
128 const typeof( ((type *)0)->member ) *__mptr = (ptr); \
129 (type *)( (char *)__mptr - offsetof(type,member) );})
/kvm-unit-tests/scripts/
H A Dcheckpatch.pl2 # SPDX-License-Identifier: GPL-2.0
7 # (c) 2008-2010 Andy Whitcroft <apw@canonical.com>
8 # (c) 2010-2018 Joe Perches <joe@perches.com>
73 my $docsfile = "$D/../Documentation/dev-tools/checkpatch.rst";
76 my $allow_c99_comments = 1; # Can be overridden by --ignore C99_COMMENT_TOLERANCE
78 my $git_command ='export LANGUAGE=en_US.UTF-8; git';
92 -q, --quiet quiet
93 -v, --verbose verbose mode
94 --no-tree run without a kernel tree
95 --no-signoff do not check for 'Signed-off-by' line
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/kvm-unit-tests/arm/
H A Dpmu.c4 * Copyright (c) 2015-2016, The Linux Foundation. All rights reserved.
75 #define PRE_OVERFLOW2_32 (ALL_SET_32 - COUNT - MARGIN)
76 #define PRE_OVERFLOW2_64 (ALL_SET_64 - COUNT - MARGIN)
144 /* PMCCFILTR is an obsolete name for PMXEVTYPER31 in ARMv7 */
260 * The low 32-bits of PMCEID0/1 respectively describe in is_event_supported()
261 * event support for events 0-31/32-63. Their High in is_event_supported()
262 * 32-bits describe support for extended events in is_event_supported()
451 * Bits [63:0] are always incremented for 64-bit counters, in pmevcntr_mask()
456 * pseudo-code in the ARM ARM DDI 0487I.a, section J1.1.1. in pmevcntr_mask()
486 implemented_counter_mask = BIT(pmu.nb_implemented_counters) - 1; in test_basic_event_count()
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