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Fix free secure context for Cortex-M23 ports

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Update the branching condition to correctly free secure context when
there is one.

Signed-off-by: Gaurav Aggarwal <aggarg@amazon.com>
This commit is contained in:
Gaurav Aggarwal 2021-08-18 17:46:27 -07:00
parent faa92f7df2
commit 8341ffdc61
5 changed files with 12 additions and 5 deletions
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2
portable/GCC/ARM_CM23/non_secure/portasm.c
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@ -448,7 +448,7 @@ void vPortFreeSecureContext( uint32_t * pulTCB ) /* __attribute__ (( naked )) PR
" ldr r2, [r0] \n"/* The first item in the TCB is the top of the stack. */
" ldr r1, [r2] \n"/* The first item on the stack is the task's xSecureContext. */
" cmp r1, #0 \n"/* Raise svc if task's xSecureContext is not NULL. */
" beq free_secure_context \n"
" bne free_secure_context \n"/* Branch if r1 != 0. */
" bx lr \n"/* There is no secure context (xSecureContext is NULL). */
" free_secure_context: \n"
" svc %0 \n"/* Secure context is freed in the supervisor call. */