Virtual memory & paging

[lunaix-os.git] / lunaix-os / linker.ld

diff --git a/lunaix-os/linker.ld b/lunaix-os/linker.ld
index 79dd63a0ee4bccaaebd3398bb92abbeb88769fb2..f0eebd51673bd481992abca7caa72b8d44d65edd 100644 (file)
--- a/lunaix-os/linker.ld
+++ b/lunaix-os/linker.ld
@@ -1,23 +1,61 @@
 ENTRY(start_)
 
 ENTRY(start_)
 

+/*
+    FUTURE: Use dynamic linker to separate kernel and boot code
+    A bit of messy here.
+    We will pull our higher half kernel out of this shit
+      and load it separately once we have our dynamic linker ready.
+*/
+

 SECTIONS {
     . = 0x100000;
 
 SECTIONS {
     . = 0x100000;
 

-    .text BLOCK(4K) : {
+    /* 这里是我们的高半核初始化代码段和数据段 */
+
+    .hhk_init_text BLOCK(4K) : {

         * (.multiboot)
         * (.multiboot)

-        * (.text)
+        build/obj/arch/x86/*.o (.hhk_init)
+        build/obj/arch/x86/*.o (.text)
+    }
+
+    .hhk_init_bss BLOCK(4K) : {
+        build/obj/arch/x86/*.o (.bss)
+    }
+
+    .hhk_init_data BLOCK(4K) : {
+        build/obj/arch/x86/*.o (.data)
+    }
+
+    .hhk_init_rodata BLOCK(4K) : {
+        build/obj/arch/x86/*.o (.rodata)
+    }
+    __init_hhk_end = .;
+
+    /* Relocation of our higher half kernel */
+    . += 0xC0000000;
+
+    /* 好了，我们的内核…… */
+    .text BLOCK(4K) : AT ( ADDR(.text) - 0xC0000000 ) {
+        __kernel_start = .;
+        build/obj/kernel/*.o (.text)

     }
 
     }
 

-    .bss BLOCK(4K) : {
-        * (COMMON)
-        * (.bss)
+    .bss BLOCK(4K) : AT ( ADDR(.bss) - 0xC0000000 ) {
+        build/obj/kernel/*.o (.bss)

     }
 
     }
 

-    .data BLOCK(4k) : {
-        * (.data)
+    .data BLOCK(4k) : AT ( ADDR(.data) - 0xC0000000 ) {
+        build/obj/kernel/*.o (.data)

     }
 
     }
 

-    .rodata BLOCK(4K) : {
-        * (.rodata)
+    .rodata BLOCK(4K) : AT ( ADDR(.rodata) - 0xC0000000 ) {
+        build/obj/kernel/*.o (.rodata)

     }
     }

+
+    .kpg BLOCK(4K) : AT ( ADDR(.kpg) - 0xC0000000 ) {
+        build/obj/arch/x86/*.o (.kpg)
+    }
+
+    __kernel_end = ALIGN(.);
+    __heap_start = ALIGN(.);    /* 内核结束的地方即堆开始的地方 */

 }
\ No newline at end of file
 }
\ No newline at end of file