Fix heap without PSRAM. Never set heap_size.

2 files changed, 5 insertions, 0 deletions

diff --git a/supervisor/shared/safe_mode.c b/supervisor/shared/safe_mode.c
index 3275cc66f..29a0a6a4f 100644
--- a/supervisor/shared/safe_mode.c
+++ b/supervisor/shared/safe_mode.c
@@ -133,6 +133,10 @@ void print_safe_mode_message(safe_mode_t reason) {
                 serial_write_compressed(translate("The CircuitPython heap was corrupted because the stack was too small.\nPlease increase the stack size if you know how, or if not:"));
                 serial_write_compressed(FILE_AN_ISSUE);
                 return;
+            case NO_HEAP:
+                serial_write_compressed(translate("CircuitPython was unable to allocate the heap.\n"));
+                serial_write_compressed(FILE_AN_ISSUE);
+                return;
             default:
                 break;
         }
diff --git a/supervisor/shared/safe_mode.h b/supervisor/shared/safe_mode.h
index c160739ae..7d3cd63b5 100644
--- a/supervisor/shared/safe_mode.h
+++ b/supervisor/shared/safe_mode.h
@@ -42,6 +42,7 @@ typedef enum {
   FLASH_WRITE_FAIL,
   MEM_MANAGE,
   WATCHDOG_RESET,
+  NO_HEAP,
 } safe_mode_t;
 
 safe_mode_t wait_for_safe_mode_reset(void);