Celina's Git — CeDOS: 7c1718f1133cb6dba4a4d01a9762b181c61cb607

Moved bootloader pages to preserve real mode interrupt table

Celina Kalus

hello@celinakalus.de

Mon, 27 Mar 2023 16:52:13 +0200

commit 7c1718f1133cb6dba4a4d01a9762b181c61cb607

parent e253ef8a77cc0ee467139d1fc75999db4a548f57

1 files changed, 3 insertions(+), 3 deletions(-)

jump to

src/boot/paging.c

M src/boot/paging.c → src/boot/paging.c

@@ -5,9 +5,9 @@ #include "fat.h"
 
 
 void *create_kernel_environment() {
-    PAGE_DIR_ENTRY (*pdir)[PAGE_ENTRY_COUNT] = (void*)(0 * PAGE_SIZE);
-    PAGE_TABLE_ENTRY (*kernel)[PAGE_ENTRY_COUNT] = (void*)(1 * PAGE_SIZE);
-    PAGE_TABLE_ENTRY (*lowmem)[PAGE_ENTRY_COUNT] = (void*)(2 * PAGE_SIZE);
+    PAGE_DIR_ENTRY (*pdir)[PAGE_ENTRY_COUNT] = (void*)(1 * PAGE_SIZE);
+    PAGE_TABLE_ENTRY (*kernel)[PAGE_ENTRY_COUNT] = (void*)(2 * PAGE_SIZE);
+    PAGE_TABLE_ENTRY (*lowmem)[PAGE_ENTRY_COUNT] = (void*)(3 * PAGE_SIZE);
 
     // set everything to zero
     memset(pdir, 0, 3 * PAGE_SIZE);