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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 /target/arm/hvf
parentd8bdf9797248eb48ac3c8bc970f60e19984546bd (diff)
downloadqemu-0dc71c701cd68c0c0508360944367faebc394196.zip
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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 'target/arm/hvf')
-rw-r--r--target/arm/hvf/hvf.c27
1 files changed, 26 insertions, 1 deletions
diff --git a/target/arm/hvf/hvf.c b/target/arm/hvf/hvf.c
index 4d4ddab..8c34f86 100644
--- a/target/arm/hvf/hvf.c
+++ b/target/arm/hvf/hvf.c
@@ -678,7 +678,7 @@ static bool hvf_handle_psci_call(CPUState *cpu)
switch (param[0]) {
case QEMU_PSCI_0_2_FN_PSCI_VERSION:
- ret = QEMU_PSCI_0_2_RET_VERSION_0_2;
+ ret = QEMU_PSCI_VERSION_1_1;
break;
case QEMU_PSCI_0_2_FN_MIGRATE_INFO_TYPE:
ret = QEMU_PSCI_0_2_RET_TOS_MIGRATION_NOT_REQUIRED; /* No trusted OS */
@@ -746,6 +746,31 @@ static bool hvf_handle_psci_call(CPUState *cpu)
case QEMU_PSCI_0_2_FN_MIGRATE:
ret = QEMU_PSCI_RET_NOT_SUPPORTED;
break;
+ case QEMU_PSCI_1_0_FN_PSCI_FEATURES:
+ switch (param[1]) {
+ case QEMU_PSCI_0_2_FN_PSCI_VERSION:
+ case QEMU_PSCI_0_2_FN_MIGRATE_INFO_TYPE:
+ case QEMU_PSCI_0_2_FN_AFFINITY_INFO:
+ case QEMU_PSCI_0_2_FN64_AFFINITY_INFO:
+ case QEMU_PSCI_0_2_FN_SYSTEM_RESET:
+ case QEMU_PSCI_0_2_FN_SYSTEM_OFF:
+ case QEMU_PSCI_0_1_FN_CPU_ON:
+ case QEMU_PSCI_0_2_FN_CPU_ON:
+ case QEMU_PSCI_0_2_FN64_CPU_ON:
+ case QEMU_PSCI_0_1_FN_CPU_OFF:
+ case QEMU_PSCI_0_2_FN_CPU_OFF:
+ case QEMU_PSCI_0_1_FN_CPU_SUSPEND:
+ case QEMU_PSCI_0_2_FN_CPU_SUSPEND:
+ case QEMU_PSCI_0_2_FN64_CPU_SUSPEND:
+ case QEMU_PSCI_1_0_FN_PSCI_FEATURES:
+ ret = 0;
+ break;
+ case QEMU_PSCI_0_1_FN_MIGRATE:
+ case QEMU_PSCI_0_2_FN_MIGRATE:
+ default:
+ ret = QEMU_PSCI_RET_NOT_SUPPORTED;
+ }
+ break;
default:
return false;
}