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AArch32: Add support to PSCI lib

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This patch adds AArch32 support to PSCI library, as follows :

* The `psci_helpers.S` is implemented for AArch32.

* AArch32 version of internal helper function `psci_get_ns_ep_info()` is
  defined.

* The PSCI Library is responsible for the Non Secure context initialization.
  Hence a library interface `psci_prepare_next_non_secure_ctx()` is introduced
  to enable EL3 runtime firmware to initialize the non secure context without
  invoking context management library APIs.

Change-Id: I25595b0cc2dbfdf39dbf7c589b875cba33317b9d
This commit is contained in:
Soby Mathew 2016-05-05 14:11:23 +01:00
parent e33b78a658
commit 727e5238fa
5 changed files with 251 additions and 6 deletions
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2
include/lib/psci/psci.h
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@ -359,6 +359,8 @@ u_register_t psci_smc_handler(uint32_t smc_fid,
int psci_setup(uintptr_t mailbox_ep);
void psci_warmboot_entrypoint(void);
void psci_register_spd_pm_hook(const spd_pm_ops_t *pm);
void psci_prepare_next_non_secure_ctx(
struct entry_point_info *next_image_info);
#endif /*__ASSEMBLY__*/