Add broken linker stuff to test on desktop.

1 files changed, 44 insertions, 0 deletions

diff --git a/src/kern/init.c b/src/kern/init.c
index 5120745..2af3877 100644
--- a/src/kern/init.c
+++ b/src/kern/init.c
@@ -21,6 +21,8 @@ int main();
 extern uint32_t INIT_DATA_VALUES;
 extern uint32_t DATA_SEGMENT_START;
 extern uint32_t DATA_SEGMENT_STOP;
+extern uint32_t TEXT_START;
+extern uint32_t TEXT_STOP;
 extern uint32_t BSS_START;
 extern uint32_t BSS_END;
 
@@ -36,6 +38,12 @@ extern uint32_t INIT_5_END;
 extern uint32_t INIT_6_END;
 extern uint32_t INIT_7_END;
 
+extern uint32_t WAT;
+
+#define MAGIC_COOKIE 0xDEADBEEF
+/* Test that data segment is properly set. */
+static uint32_t magic_cookie = MAGIC_COOKIE;
+
 init2()
 {
   volatile uint32_t bss_start_ptr = (uint32_t)&BSS_START;
@@ -84,6 +92,10 @@ init2()
     *(dest++) = 0;
   }
 
+  if (magic_cookie != MAGIC_COOKIE) {
+    panic("Data Segment Initialization Failed!");
+  }
+
   klogf("Done!\n");
 }
 
@@ -109,11 +121,42 @@ void run_init_routines()
 
   void (**initfn)();
 
+  klogf("WAT: %p\n", &WAT);
+
   klogf(
       "Init routines at (%p - %p)\n",
       &INIT_ROUTINES_FLASH_START,
       &INIT_ROUTINES_FLASH_STOP);
 
+  klogf(
+      "Data segment at (%p - %p) from (%p)\n",
+      &DATA_SEGMENT_START,
+      &DATA_SEGMENT_STOP,
+      &INIT_DATA_VALUES);
+
+  klogf(
+      "Bss segment at (%p - %p)\n",
+      &BSS_START,
+      &BSS_END);
+
+  klogf(
+      "Heap at (%p - %p)\n",
+      &HEAP_START,
+      &HEAP_STOP);
+ 
+  klogf(
+      "Text at (%p - %p)\n",
+      &TEXT_START,
+      &TEXT_STOP);
+
+  klogf( "Init Boundary 0: %p\n", &INIT_0_END);
+  klogf( "Init Boundary 1: %p\n", &INIT_1_END);
+  klogf( "Init Boundary 2: %p\n", &INIT_2_END);
+
+  // for (size_t i = 0; i < sizeof(init_boundaries) / sizeof(void*); ++ i) {
+  //   klogf("Init Boundary %d at %p\n", i, init_boundaries[i]);
+  // }
+
   /* Enable a higher clock speed. This is the first thing we do
    * beacuse it will boost the boot up time. */
   set_system_clock_MHz(80);
@@ -126,6 +169,7 @@ void run_init_routines()
       klogf("[Init Level %d]\n", initlevel);
     }
 
+    klogf("Calling (%p)\n", initfn);
     (*initfn)();
   }
 }