[PATCH v5 4/4] KVM: selftests: aarch64: Add writable test for ID_AA64PFR1_EL1

From: Shaoqin Huang
Date: Tue Jul 23 2024 - 03:21:31 EST


Add writable test for the ID_AA64PFR1_EL1 register.

Signed-off-by: Shaoqin Huang <shahuang@xxxxxxxxxx>
---
tools/testing/selftests/kvm/aarch64/set_id_regs.c | 14 +++++++++++---
1 file changed, 11 insertions(+), 3 deletions(-)

diff --git a/tools/testing/selftests/kvm/aarch64/set_id_regs.c b/tools/testing/selftests/kvm/aarch64/set_id_regs.c
index a7de39fa2a0a..04e237a371f2 100644
--- a/tools/testing/selftests/kvm/aarch64/set_id_regs.c
+++ b/tools/testing/selftests/kvm/aarch64/set_id_regs.c
@@ -133,6 +133,13 @@ static const struct reg_ftr_bits ftr_id_aa64pfr0_el1[] = {
REG_FTR_END,
};

+static const struct reg_ftr_bits ftr_id_aa64pfr1_el1[] = {
+ REG_FTR_BITS(FTR_LOWER_SAFE, ID_AA64PFR1_EL1, CSV2_frac, 0),
+ REG_FTR_BITS(FTR_LOWER_SAFE, ID_AA64PFR1_EL1, SSBS, ID_AA64PFR1_EL1_SSBS_NI),
+ REG_FTR_BITS(FTR_LOWER_SAFE, ID_AA64PFR1_EL1, BT, 0),
+ REG_FTR_END,
+};
+
static const struct reg_ftr_bits ftr_id_aa64mmfr0_el1[] = {
REG_FTR_BITS(FTR_LOWER_SAFE, ID_AA64MMFR0_EL1, ECV, 0),
REG_FTR_BITS(FTR_LOWER_SAFE, ID_AA64MMFR0_EL1, EXS, 0),
@@ -199,6 +206,7 @@ static struct test_feature_reg test_regs[] = {
TEST_REG(SYS_ID_AA64ISAR1_EL1, ftr_id_aa64isar1_el1),
TEST_REG(SYS_ID_AA64ISAR2_EL1, ftr_id_aa64isar2_el1),
TEST_REG(SYS_ID_AA64PFR0_EL1, ftr_id_aa64pfr0_el1),
+ TEST_REG(SYS_ID_AA64PFR1_EL1, ftr_id_aa64pfr1_el1),
TEST_REG(SYS_ID_AA64MMFR0_EL1, ftr_id_aa64mmfr0_el1),
TEST_REG(SYS_ID_AA64MMFR1_EL1, ftr_id_aa64mmfr1_el1),
TEST_REG(SYS_ID_AA64MMFR2_EL1, ftr_id_aa64mmfr2_el1),
@@ -551,9 +559,9 @@ int main(void)
test_cnt = ARRAY_SIZE(ftr_id_aa64dfr0_el1) + ARRAY_SIZE(ftr_id_dfr0_el1) +
ARRAY_SIZE(ftr_id_aa64isar0_el1) + ARRAY_SIZE(ftr_id_aa64isar1_el1) +
ARRAY_SIZE(ftr_id_aa64isar2_el1) + ARRAY_SIZE(ftr_id_aa64pfr0_el1) +
- ARRAY_SIZE(ftr_id_aa64mmfr0_el1) + ARRAY_SIZE(ftr_id_aa64mmfr1_el1) +
- ARRAY_SIZE(ftr_id_aa64mmfr2_el1) + ARRAY_SIZE(ftr_id_aa64zfr0_el1) -
- ARRAY_SIZE(test_regs) + 2;
+ ARRAY_SIZE(ftr_id_aa64pfr1_el1) + ARRAY_SIZE(ftr_id_aa64mmfr0_el1) +
+ ARRAY_SIZE(ftr_id_aa64mmfr1_el1) + ARRAY_SIZE(ftr_id_aa64mmfr2_el1) +
+ ARRAY_SIZE(ftr_id_aa64zfr0_el1) - ARRAY_SIZE(test_regs) + 2;

ksft_set_plan(test_cnt);

--
2.40.1