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authorJeenu Viswambharan <jeenu.viswambharan@arm.com>2018-02-16 11:54:24 +0000
committerJeenu Viswambharan <jeenu.viswambharan@arm.com>2018-06-21 16:15:23 +0100
commite7b9473e1591d4ab375a95ebbb9256adfe9d4670 (patch)
tree97e17803652b72586ae0e099e6e367f534dea2e5 /bl31/bl31.mk
parent2ccfcb2ea555eb86122e7780010cc50fcee08f54 (diff)
downloadtrusted-firmware-a-e7b9473e1591d4ab375a95ebbb9256adfe9d4670.tar.gz
BL31: Introduce jump primitives
This patch introduces setjmp() and ongjmp() primitives to enable standard setjmp/longjmp style execution. Both APIs parameters take a pointer to struct jmpbuf type, which hosts CPU registers saved/restored during jump. As per the standard usage: - setjmp() return 0 when a jump is setup; and a non-zero value when returning from jump. - The caller of setjmp() must not return, or otherwise update stack pointer since. Change-Id: I4af1d32e490cfa547979631b762b4cba188d0551 Signed-off-by: Jeenu Viswambharan <jeenu.viswambharan@arm.com>
Diffstat (limited to 'bl31/bl31.mk')
-rw-r--r--bl31/bl31.mk5
1 files changed, 3 insertions, 2 deletions
diff --git a/bl31/bl31.mk b/bl31/bl31.mk
index a6c0a9a07a..51a8312453 100644
--- a/bl31/bl31.mk
+++ b/bl31/bl31.mk
@@ -18,15 +18,16 @@ include lib/psci/psci_lib.mk
BL31_SOURCES += bl31/bl31_main.c \
bl31/interrupt_mgmt.c \
bl31/aarch64/bl31_entrypoint.S \
- bl31/aarch64/runtime_exceptions.S \
bl31/aarch64/crash_reporting.S \
+ bl31/aarch64/runtime_exceptions.S \
bl31/bl31_context_mgmt.c \
common/runtime_svc.c \
+ lib/aarch64/setjmp.S \
plat/common/aarch64/platform_mp_stack.S \
services/arm_arch_svc/arm_arch_svc_setup.c \
services/std_svc/std_svc_setup.c \
${PSCI_LIB_SOURCES} \
- ${SPM_SOURCES} \
+ ${SPM_SOURCES}
ifeq (${ENABLE_PMF}, 1)