xref: /arm-trusted-firmware/plat/common/aarch64/plat_ehf.c (revision 91f16700b400a8c0651d24a598fc48ee2997a0d7)
1*91f16700Schasinglulu /*
2*91f16700Schasinglulu  * Copyright (c) 2017-2023, ARM Limited and Contributors. All rights reserved.
3*91f16700Schasinglulu  * Copyright (c) 2020, Broadcom
4*91f16700Schasinglulu  * SPDX-License-Identifier: BSD-3-Clause
5*91f16700Schasinglulu  */
6*91f16700Schasinglulu 
7*91f16700Schasinglulu #include <bl31/ehf.h>
8*91f16700Schasinglulu 
9*91f16700Schasinglulu #include <platform_def.h>
10*91f16700Schasinglulu 
11*91f16700Schasinglulu /*
12*91f16700Schasinglulu  * Enumeration of priority levels on ARM platforms.
13*91f16700Schasinglulu  */
14*91f16700Schasinglulu ehf_pri_desc_t plat_exceptions[] = {
15*91f16700Schasinglulu #if ENABLE_FEAT_RAS && FFH_SUPPORT
16*91f16700Schasinglulu 	/* RAS Priority */
17*91f16700Schasinglulu 	EHF_PRI_DESC(PLAT_PRI_BITS, PLAT_RAS_PRI),
18*91f16700Schasinglulu #endif
19*91f16700Schasinglulu 
20*91f16700Schasinglulu #if SDEI_SUPPORT
21*91f16700Schasinglulu 	/* Critical priority SDEI */
22*91f16700Schasinglulu 	EHF_PRI_DESC(PLAT_PRI_BITS, PLAT_SDEI_CRITICAL_PRI),
23*91f16700Schasinglulu 
24*91f16700Schasinglulu 	/* Normal priority SDEI */
25*91f16700Schasinglulu 	EHF_PRI_DESC(PLAT_PRI_BITS, PLAT_SDEI_NORMAL_PRI),
26*91f16700Schasinglulu #endif
27*91f16700Schasinglulu 
28*91f16700Schasinglulu #if SPM_MM || (SPMC_AT_EL3 && SPMC_AT_EL3_SEL0_SP)
29*91f16700Schasinglulu #if ENABLE_FEAT_RAS && FFH_SUPPORT
30*91f16700Schasinglulu #if (PLAT_SP_PRI != PLAT_RAS_PRI)
31*91f16700Schasinglulu 	EHF_PRI_DESC(PLAT_PRI_BITS, PLAT_SP_PRI),
32*91f16700Schasinglulu #endif
33*91f16700Schasinglulu #else
34*91f16700Schasinglulu 	EHF_PRI_DESC(PLAT_PRI_BITS, PLAT_SP_PRI),
35*91f16700Schasinglulu #endif
36*91f16700Schasinglulu #endif
37*91f16700Schasinglulu 
38*91f16700Schasinglulu 	/* Platform specific exceptions description */
39*91f16700Schasinglulu #ifdef PLAT_EHF_DESC
40*91f16700Schasinglulu 	PLAT_EHF_DESC,
41*91f16700Schasinglulu #endif
42*91f16700Schasinglulu };
43*91f16700Schasinglulu 
44*91f16700Schasinglulu /* Plug in ARM exceptions to Exception Handling Framework. */
45*91f16700Schasinglulu EHF_REGISTER_PRIORITIES(plat_exceptions, ARRAY_SIZE(plat_exceptions), PLAT_PRI_BITS);
46