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Merge pull request #1867 from AlexeiFedorov/af/enable_ptrauth_warm_boot

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BL31: Enable pointer authentication support in warm boot path
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Dimitris Papastamos 2019-03-08 09:43:54 +00:00 committed by GitHub
commit e2b717e6bd
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1 changed files with 13 additions and 0 deletions
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13
bl31/aarch64/bl31_entrypoint.S
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@ -201,6 +201,19 @@ func bl31_warm_entrypoint
#endif
bl bl31_plat_enable_mmu
/* --------------------------------------------------------------------
* Enable pointer authentication
* --------------------------------------------------------------------
*/
#if ENABLE_PAUTH
bl pauth_load_bl_apiakey
mrs x0, sctlr_el3
orr x0, x0, #SCTLR_EnIA_BIT
msr sctlr_el3, x0
isb
#endif /* ENABLE_PAUTH */
bl psci_warmboot_entrypoint
#if ENABLE_RUNTIME_INSTRUMENTATION