scottk/OpenCellular
1
0
Fork 0
mirror of https://github.com/Telecominfraproject/OpenCellular.git synced 2026-01-06 23:51:28 +00:00
Code Issues Packages Projects Releases Wiki Activity

ARM platforms: Define exception macros

Browse Source 
Define number of priority bits, and allocate priority levels for SDEI.

Change-Id: Ib6bb6c5c09397f7caef950c4caed5a737b3d4112
Signed-off-by: Jeenu Viswambharan <jeenu.viswambharan@arm.com>
This commit is contained in:
Jeenu Viswambharan
2017-10-24 11:47:13 +01:00
parent 781f4aac76
commit 0bef0edffd
3 changed files with 34 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

6
include/plat/arm/common/arm_def.h
View File

@@ -454,5 +454,11 @@
*/
#define PLAT_PERCPU_BAKERY_LOCK_SIZE (1 * CACHE_WRITEBACK_GRANULE)
/* Priority levels for ARM platforms */
#define PLAT_SDEI_CRITICAL_PRI 0x60
#define PLAT_SDEI_NORMAL_PRI 0x70
/* ARM platforms use 3 upper bits of secure interrupt priority */
#define ARM_PRI_BITS 3
#endif /* __ARM_DEF_H__ */

24
plat/arm/common/aarch64/arm_ehf.c Normal file
View File

@@ -0,0 +1,24 @@
/*
* Copyright (c) 2017, ARM Limited and Contributors. All rights reserved.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
#include <ehf.h>
#include <platform_def.h>
/*
* Enumeration of priority levels on ARM platforms.
*/
ehf_pri_desc_t arm_exceptions[] = {
#if SDEI_SUPPORT
/* Critical priority SDEI */
EHF_PRI_DESC(ARM_PRI_BITS, PLAT_SDEI_CRITICAL_PRI),
/* Normal priority SDEI */
EHF_PRI_DESC(ARM_PRI_BITS, PLAT_SDEI_NORMAL_PRI),
#endif
};
/* Plug in ARM exceptions to Exception Handling Framework. */
EHF_REGISTER_PRIORITIES(arm_exceptions, ARRAY_SIZE(arm_exceptions), ARM_PRI_BITS);

4
plat/arm/common/arm_common.mk
View File

@@ -184,6 +184,10 @@ BL31_SOURCES += plat/arm/common/arm_sip_svc.c \
lib/pmf/pmf_smc.c
endif
ifeq (${EL3_EXCEPTION_HANDLING},1)
BL31_SOURCES += plat/arm/common/aarch64/arm_ehf.c
endif
ifneq (${TRUSTED_BOARD_BOOT},0)
# Include common TBB sources