vga now working with term and shell program

2026-07-16 23:19:54 -05:00
parent 3246dbbd19
commit b6681b74c9
12 changed files with 196 additions and 53 deletions
--- a/kernel/memory/mm.c
+++ b/kernel/memory/mm.c
@@ -247,7 +247,7 @@ void* clone_current_pd() {
            uint32_t pte_src = pt_src[j];
            if (!(pte_src & PAGE_PRESENT)) continue;

-            if (!(pte_src & PAGE_WRITABLE)) {
+            if (!(pte_src & PAGE_WRITABLE) || (pte_src & PAGE_MMIO)) {
                pt_dst[j] = pt_src[j];
                continue;
            }
--- a/kernel/memory/mm.h
+++ b/kernel/memory/mm.h
@@ -7,6 +7,7 @@
 #define PAGE_WRITABLE (1 << 1)
 #define PAGE_USER     (1 << 2)
 #define PAGE_COW      (1 << 9)
+#define PAGE_MMIO     (1 << 10)

 #define TEMP_KERNPD_VADDR   0xDFF90000
 #define TEMP_TASKPD_VADDR   0xDFFA0000