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-rw-r--r--common/bl_common.c50
1 files changed, 0 insertions, 50 deletions
diff --git a/common/bl_common.c b/common/bl_common.c
index a09cd717..e6f98029 100644
--- a/common/bl_common.c
+++ b/common/bl_common.c
@@ -244,53 +244,3 @@ void print_entry_point_info(const entry_point_info_t *ep_info)
#endif
#undef PRINT_IMAGE_ARG
}
-
-#ifdef __aarch64__
-/*******************************************************************************
- * Handle all possible cases regarding ARMv8.3-PAuth.
- ******************************************************************************/
-void bl_handle_pauth(void)
-{
-#if ENABLE_PAUTH
- /*
- * ENABLE_PAUTH = 1 && CTX_INCLUDE_PAUTH_REGS = 1
- *
- * Check that the system supports address authentication to avoid
- * getting an access fault when accessing the registers. This is all
- * that is needed to check. If any of the authentication mechanisms is
- * supported, the system knows about ARMv8.3-PAuth, so all the registers
- * are available and accessing them won't generate a fault.
- *
- * Obtain 128-bit instruction key A from the platform and save it to the
- * system registers. Pointer authentication can't be enabled here or the
- * authentication will fail when returning from this function.
- */
- assert(is_armv8_3_pauth_apa_api_present());
-
- uint64_t *apiakey = plat_init_apiakey();
-
- write_apiakeylo_el1(apiakey[0]);
- write_apiakeyhi_el1(apiakey[1]);
-#else /* if !ENABLE_PAUTH */
-
-# if CTX_INCLUDE_PAUTH_REGS
- /*
- * ENABLE_PAUTH = 0 && CTX_INCLUDE_PAUTH_REGS = 1
- *
- * Assert that the ARMv8.3-PAuth registers are present or an access
- * fault will be triggered when they are being saved or restored.
- */
- assert(is_armv8_3_pauth_present());
-# else
- /*
- * ENABLE_PAUTH = 0 && CTX_INCLUDE_PAUTH_REGS = 0
- *
- * Pointer authentication is allowed in the Non-secure world, but
- * prohibited in the Secure world. The Trusted Firmware doesn't save the
- * registers during a world switch. No check needed.
- */
-# endif /* CTX_INCLUDE_PAUTH_REGS */
-
-#endif /* ENABLE_PAUTH */
-}
-#endif /* __aarch64__ */