X-Git-Url: https://git.patrickod.com/blog/commit/?a=blobdiff_plain;f=keywing%2Fmemory.x;fp=keywing%2Fmemory.x;h=bbbe065c20707311b34cf9d9b3510736f67be204;hb=2c5a6ce701efb11787525a42b6ced9957e32e6ca;hp=46f1278ab358d182831714b7a96c1bbe0a11d32a;hpb=ae7e9009c24193d06daa77bdfcde9caeb37053e4;p=keywing-rs.git

diff --git a/keywing/memory.x b/keywing/memory.x
index 46f1278..bbbe065 100644
--- a/keywing/memory.x
+++ b/keywing/memory.x
@@ -1,10 +1,13 @@
 MEMORY
 {
-  /* NOTE K = KiBi = 1024 bytes */
-  FLASH : ORIGIN  = 0x00000000, LENGTH = 1M
-  RAM : ORIGIN    = 0x20000000, LENGTH = 255K
-  PANDUMP: ORIGIN = 0x2003FC00, LENGTH = 1K
+  /* Leave 16k for the default bootloader on the Feather M4 */
+  FLASH (rx)   : ORIGIN = 0x00000000 + 16K, LENGTH = 512K - 16K
+  /* Usually 192K RAM. Reserve 1K at the end for storing panic dumps */
+  RAM (xrw)    : ORIGIN = 0x20000000, LENGTH = 191K
+  PANDUMP (rw) : ORIGIN = 0x20000000 + 191K, LENGTH = 1K
 }
 
+_stack_start = ORIGIN(RAM) + LENGTH(RAM);
 _panic_dump_start = ORIGIN(PANDUMP);
-_panic_dump_end = ORIGIN(PANDUMP) + LENGTH(PANDUMP);
+_panic_dump_end   = ORIGIN(PANDUMP) + LENGTH(PANDUMP);
+