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authorAkihiko Odaki <akihiko.odaki@gmail.com>2022-02-13 12:57:53 +0900
committerPeter Maydell <peter.maydell@linaro.org>2022-03-02 19:27:36 +0000
commit0dc71c701cd68c0c0508360944367faebc394196 (patch)
treeeff7c4e348014118393805e11cee1a7514f60239 /hw/arm
parentd8bdf9797248eb48ac3c8bc970f60e19984546bd (diff)
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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/arm')
-rw-r--r--hw/arm/boot.c12
1 files changed, 9 insertions, 3 deletions
diff --git a/hw/arm/boot.c b/hw/arm/boot.c
index b1e9597..0eeef94 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)) {