iar: linker_script: zero-init BSS

RobinKastberg · danieldegrasse · commit 1601a7d696ef · 2025-06-30T15:18:30.000-05:00
CONFIG_IAR_DATA_INIT did inadvertently not initialize BSS.

Signed-off-by: Robin Kastberg &lt;robin.kastberg@iar.com&gt;
diff --git a/cmake/linker/iar/config_file_script.cmake b/cmake/linker/iar/config_file_script.cmake
@@ -98,7 +98,7 @@ function(process_region)
         )
     endif()
     # Treat BSS to be noinit
-    if(type STREQUAL BSS)
+    if(CONFIG_IAR_ZEPHYR_INIT AND type STREQUAL BSS)
       set_property(GLOBAL PROPERTY ${section}_NOINIT TRUE)
     endif()
   endforeach() # all sections

Original file line number	Diff line number	Diff line change
`@@ -98,7 +98,7 @@ function(process_region)`
`98`	`98`	`)`
`99`	`99`	`endif()`
`100`	`100`	`# Treat BSS to be noinit`
`101`		`- if(type STREQUAL BSS)`
	`101`	`+ if(CONFIG_IAR_ZEPHYR_INIT AND type STREQUAL BSS)`
`102`	`102`	`set_property(GLOBAL PROPERTY ${section}_NOINIT TRUE)`
`103`	`103`	`endif()`
`104`	`104`	`endforeach() # all sections`