added beginning and end kernel symbols

1 files changed, 6 insertions, 11 deletions

diff --git a/kernel/kernel.cpp b/kernel/kernel.cpp
index 579e642..877f860 100644
--- a/kernel/kernel.cpp
+++ b/kernel/kernel.cpp
@@ -7,14 +7,10 @@
 #include <arch/i386/ps2_controller.h>

 #include <dev/ps2kbd.h>

 

-// compiler and target check

-#if defined(__linux__)

-#error "you're not using a cross compiler"

-#endif

+// linker symbols

+unsigned int _begin;

+unsigned int _end;

 

-#if !defined(__i386__)

-#error "needs to be compiled using an ix86-elf cross compiler"

-#endif

 

 extern "C" void kernel_main(void) {

     // Initialize terminal

@@ -24,7 +20,6 @@ extern "C" void kernel_main(void) {
     //keyboard_init();

 

     printf("Hello world!\n");

-    printf("among\n");

-    printf("balls\n");

-    printf("a%db", 1);

-}
\ No newline at end of file
+    printf("a%db\n", 1);

+    printf("_begin: %x, _end: %x", &_begin, &_end);

+}