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This patch implements SMCCC_ARCH_WORKAROUND_4 and allows discovery through SMCCC_ARCH_FEATURES. This mechanism is enabled if CVE_2024_7881 [1] is enabled by the platform. If CVE_2024_7881 mitigation is implemented, the discovery call returns 0, if not -1 (SMC_ARCH_CALL_NOT_SUPPORTED). For more information about SMCCC_ARCH_WORKAROUND_4 [2], please refer to the SMCCC Specification reference provided below. [1]: https://developer.arm.com/Arm%20Security%20Center/Arm%20CPU%20Vulnerability%20CVE-2024-7881 [2]: https://developer.arm.com/documentation/den0028/latest Signed-off-by: Arvind Ram Prakash <arvind.ramprakash@arm.com> Change-Id: I1b1ffaa1f806f07472fd79d5525f81764d99bc79 |
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| .. | ||
| aarch32 | ||
| aarch64 | ||
| bl_aux_params | ||
| compiler-rt | ||
| coreboot | ||
| cpus | ||
| debugfs | ||
| el3_runtime | ||
| extensions | ||
| fconf | ||
| gpt_rme | ||
| hob | ||
| libc | ||
| libfdt | ||
| locks | ||
| mpmm | ||
| optee | ||
| pmf | ||
| psa | ||
| psci | ||
| romlib | ||
| semihosting | ||
| stack_protector | ||
| transfer_list | ||
| utils | ||
| xlat_mpu | ||
| xlat_tables | ||
| xlat_tables_v2 | ||
| zlib | ||