iar: ltorg directive not supported (4670cb27) · Commits · Wenxi XU / zephyr

Currently this directive is not supported in EWARM 9.70.1, it will be in future versions, but we want Zephyr 4.2 to work with IAR EWARM 9.70.1. Signed-off-by:

Robin Kastberg <robin.kastberg@iar.com> (cherry picked from commit )

arch/arm/core/cortex_m/thread.c

+4 −0

Original line number	Diff line number	Diff line
		@@ -560,7 +560,9 @@ void arch_switch_to_main_thread(struct k_thread main_thread, char stack_ptr,
		/* We don’t intend to return, so there is no need to link. */
		"bx r4\n"
		/* Force a literal pool placement for the addresses referenced above */
		#ifndef __IAR_SYSTEMS_ICC__
		".ltorg\n"
		#endif
		:
		: "r"(_main), "r"(stack_ptr)
		: "r0", "r1", "r2", "r3", "r4", "ip", "lr", "memory");
		@@ -628,7 +630,9 @@ FUNC_NORETURN void z_arm_switch_to_main_no_multithreading(k_thread_entry_t main_
		"blx r0\n"
		"loop: b loop\n\t" /* while (true); */
		/* Force a literal pool placement for the addresses referenced above */
		#ifndef __IAR_SYSTEMS_ICC__
		".ltorg\n"
		#endif
		:
		: [_p1] "r"(p1), [_p2] "r"(p2), [_p3] "r"(p3), [_psp] "r"(psp),
		[_main_entry] "r"(main_entry)

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