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arch: arm: aarch32: cortex_m: add z_arm_reserved only if core has SE

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If the Cortex-M core does not implement the Security Extension,
we should not be adding z_arm_reserved in the corresponding
vector table entry. That is because the entry is reserved by
the ARM architecture.

Signed-off-by: Ioannis Glaropoulos <Ioannis.Glaropoulos@nordicsemi.no>
This commit is contained in:
Ioannis Glaropoulos 2020-04-02 12:50:05 +02:00 • committed by Kumar Gala
commit d3fa2eebb0
1 changed files with 4 additions and 0 deletions
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4
arch/arm/core/aarch32/cortex_m/vector_table.S
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@ -51,11 +51,15 @@ SECTION_SUBSEC_FUNC(exc_vector_table,_vector_table_section,_vector_table)
.word z_arm_mpu_fault
.word z_arm_bus_fault
.word z_arm_usage_fault
#if defined(CONFIG_ARMV8_M_SE)
#if defined(CONFIG_ARM_SECURE_FIRMWARE)
.word z_arm_secure_fault
#else
.word z_arm_reserved
#endif /* CONFIG_ARM_SECURE_FIRMWARE */
#else
.word 0
#endif /* CONFIG_ARMV8_M_SE */
.word 0
.word 0
.word 0