[PATCH v4 29/30] lib: arm: Print test exit status

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From: Alexandru Elisei <alexandru.elisei@xxxxxxx>

The arm tests can be run under kvmtool, which doesn't emulate a chr-testdev
device. Print the test exit status to make it possible for the runner
scripts to pick it up when they have support for it.

Signed-off-by: Alexandru Elisei <alexandru.elisei@xxxxxxx>
Signed-off-by: Nikos Nikoleris <nikos.nikoleris@xxxxxxx>
Reviewed-by: Andrew Jones <andrew.jones@xxxxxxxxx>
---
 lib/arm/io.c | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/lib/arm/io.c b/lib/arm/io.c
index 19f93490..c15e57c4 100644
--- a/lib/arm/io.c
+++ b/lib/arm/io.c
@@ -149,6 +149,13 @@ extern void halt(int code);
 
 void exit(int code)
 {
+	/*
+	 * Print the test return code in the following format which is
+	 * consistent with powerpc and s390x. The runner can pick it
+	 * up when chr-testdev is not present.
+	 */
+	printf("\nEXIT: STATUS=%d\n", ((code) << 1) | 1);
+
 	chr_testdev_exit(code);
 	psci_system_off();
 	halt(code);
-- 
2.25.1




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