feat(newlib): added option for placing functions in flash if flash-auto-suspend

components/newlib/Kconfig

@@ -11,6 +11,10 @@ menu "LibC"
             depends on !IDF_TOOLCHAIN_CLANG && IDF_EXPERIMENTAL_FEATURES
     endchoice
 
+    config LIBC_MISC_IN_IRAM
+        bool "Place misc libc functions (abort/assert/stdatomics) in IRAM" if SPI_FLASH_AUTO_SUSPEND
+        default y
+
     config LIBC_LOCKS_PLACE_IN_IRAM
         bool "Place lock API in IRAM"
         default y

components/newlib/src/newlib.lf

@@ -1,10 +1,11 @@
 [mapping:newlib]
 archive: libnewlib.a
 entries:
-  if HEAP_PLACE_FUNCTION_INTO_FLASH = n:
-    heap (noflash)
-  abort (noflash)
-  assert (noflash)
-  stdatomic (noflash)
+  if LIBC_MISC_IN_IRAM = y:
+    if HEAP_PLACE_FUNCTION_INTO_FLASH = n:
+      heap (noflash)
+    abort (noflash)
+    assert (noflash)
+    stdatomic (noflash)
   if STDATOMIC_S32C1I_SPIRAM_WORKAROUND = y:
     stdatomic_s32c1i (noflash)