diff options
| author | Akihiko Odaki <akihiko.odaki@gmail.com> | 2022-02-13 12:57:53 +0900 |
|---|---|---|
| committer | Peter Maydell <peter.maydell@linaro.org> | 2022-03-02 19:27:36 +0000 |
| commit | 0dc71c701cd68c0c0508360944367faebc394196 (patch) | |
| tree | eff7c4e348014118393805e11cee1a7514f60239 /hw | |
| parent | d8bdf9797248eb48ac3c8bc970f60e19984546bd (diff) | |
target/arm: Support PSCI 1.1 and SMCCC 1.0
Support the latest PSCI on TCG and HVF. A 64-bit function called from
AArch32 now returns NOT_SUPPORTED, which is necessary to adhere to SMC
Calling Convention 1.0. It is still not compliant with SMCCC 1.3 since
they do not implement mandatory functions.
Signed-off-by: Akihiko Odaki <akihiko.odaki@gmail.com>
Message-id: 20220213035753.34577-1-akihiko.odaki@gmail.com
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
[PMM: update MISMATCH_CHECK checks on PSCI_VERSION macros to match]
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Diffstat (limited to 'hw')
| -rw-r--r-- | hw/arm/boot.c | 12 |
1 files changed, 9 insertions, 3 deletions
diff --git a/hw/arm/boot.c b/hw/arm/boot.c index b1e95978f2..0eeef94ceb 100644 --- a/hw/arm/boot.c +++ b/hw/arm/boot.c @@ -488,9 +488,15 @@ static void fdt_add_psci_node(void *fdt) } qemu_fdt_add_subnode(fdt, "/psci"); - if (armcpu->psci_version == 2) { - const char comp[] = "arm,psci-0.2\0arm,psci"; - qemu_fdt_setprop(fdt, "/psci", "compatible", comp, sizeof(comp)); + if (armcpu->psci_version == QEMU_PSCI_VERSION_0_2 || + armcpu->psci_version == QEMU_PSCI_VERSION_1_1) { + if (armcpu->psci_version == QEMU_PSCI_VERSION_0_2) { + const char comp[] = "arm,psci-0.2\0arm,psci"; + qemu_fdt_setprop(fdt, "/psci", "compatible", comp, sizeof(comp)); + } else { + const char comp[] = "arm,psci-1.0\0arm,psci-0.2\0arm,psci"; + qemu_fdt_setprop(fdt, "/psci", "compatible", comp, sizeof(comp)); + } cpu_off_fn = QEMU_PSCI_0_2_FN_CPU_OFF; if (arm_feature(&armcpu->env, ARM_FEATURE_AARCH64)) { |