boot: put placeholder LBA_TEST_OFFSET if no ISFATx define

2021-07-29 13:13:56 +02:00 · 2021-07-29 13:13:56 +02:00 · 4c2bda46b2
commit 4c2bda46b2
parent edfb0db758
1 changed files with 5 additions and 0 deletions
--- a/boot/boot.asm
+++ b/boot/boot.asm
@ -425,6 +425,11 @@ read_next:
  %define LBA_TEST_OFFSET 179h
 %elifdef ISFAT16
  %define LBA_TEST_OFFSET 176h
+%else
+  %define LBA_TEST_OFFSET 0
+                ; Just a placeholder, so the proper error message
+                ;  will be shown when assembling without either
+                ;  of the ISFATx defines.
 %endif
 %if ($ - Entry) != LBA_TEST_OFFSET
    %error Must update constant offset (LBA_TEST_OFFSET) to test dl,dl here and in sys.c for FATFS