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target/arm: Implement FEAT_PACQARMA3

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Implement the QARMA3 cryptographic algorithm for PAC calculation.
Implement a cpu feature to select the algorithm and document it.

Signed-off-by: Aaron Lindsay <aaron@os.amperecomputing.com>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20230829232335.965414-6-richard.henderson@linaro.org
Message-Id: <20230609172324.982888-4-aaron@os.amperecomputing.com>
[rth: Merge cpu feature addition from another patch.]
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This commit is contained in:
Richard Henderson 2023-08-29 16:23:28 -07:00 • committed by Peter Maydell
parent 6c3427eec5
commit 399e5e7125
7 changed files with 94 additions and 23 deletions
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12
tests/qtest/arm-cpu-features.c
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@ -417,12 +417,22 @@ static void pauth_tests_default(QTestState *qts, const char *cpu_type)
{
assert_has_feature_enabled(qts, cpu_type, "pauth");
assert_has_feature_disabled(qts, cpu_type, "pauth-impdef");
assert_has_feature_disabled(qts, cpu_type, "pauth-qarma3");
assert_set_feature(qts, cpu_type, "pauth", false);
assert_set_feature(qts, cpu_type, "pauth", true);
assert_set_feature(qts, cpu_type, "pauth-impdef", true);
assert_set_feature(qts, cpu_type, "pauth-impdef", false);
assert_error(qts, cpu_type, "cannot enable pauth-impdef without pauth",
assert_set_feature(qts, cpu_type, "pauth-qarma3", true);
assert_set_feature(qts, cpu_type, "pauth-qarma3", false);
assert_error(qts, cpu_type,
"cannot enable pauth-impdef or pauth-qarma3 without pauth",
"{ 'pauth': false, 'pauth-impdef': true }");
assert_error(qts, cpu_type,
"cannot enable pauth-impdef or pauth-qarma3 without pauth",
"{ 'pauth': false, 'pauth-qarma3': true }");
assert_error(qts, cpu_type,
"cannot enable both pauth-impdef and pauth-qarma3",
"{ 'pauth': true, 'pauth-impdef': true, 'pauth-qarma3': true }");
}
static void test_query_cpu_model_expansion(const void *data)