Fix logm for stackdump and interrupt status

Stackdump messages are not shown on assertion
Because logm's print buffer can't be flushed after assert.
These messages should be delivered with low output directly.

Change-Id: Ifaca4b60bed8999307672d8905e4c53cbafa2072

diff --git a/os/logm/logm.c b/os/logm/logm.c
index 9cc3428..85db778 100644 (file)
--- a/os/logm/logm.c
+++ b/os/logm/logm.c
@@ -39,7 +39,7 @@ int logm_internal(int priority, const char *fmt, va_list ap)
        int ret = 0;
        buffer_state_t op;
 
-       if (g_logm_isready) {
+       if (g_logm_isready && !up_interrupt_context()) {
                flags = irqsave();
 
                if (g_logm_count < LOGM_RSVBUF_COUNT) {
@@ -76,7 +76,7 @@ int logm_internal(int priority, const char *fmt, va_list ap)
 
                irqrestore(flags);
        } else {
-               /* Low Output: Sytem is not yet completely ready  */
+               /* Low Output: Sytem is not yet completely ready or this is called from interrupt handler */
 #ifdef CONFIG_ARCH_LOWPUTC
                struct lib_outstream_s strm;
                lib_lowoutstream(&strm);