linker.ld

@@ -1,10 +1,6 @@
 /*
  * Filename: linker.ld
  * Micro-Controller: stm32f103c8t6
- * Cortex-M3 and Cortex-M4 only need to be 4byte aligned where as
- * other's might need 8byte or something different.
- *
- * The M3/M4 are ARMv7 and ARMv7E-M respectively.
  */
 
 
@@ -14,14 +10,6 @@
  */
 ENTRY(Reset_Handler)
 
-/* Highest address of user mode stack */
-_estack  = ORIGIN(RAM) + LENGTH(RAM); /* end of "RAM" Ram type memory */
-
-/* Generate a link error if heap and stack don't fit into RAM */
-_Min_Heap_Size = 0x200; /* required amount of heap. */
-_Min_Stack_Size = 0x400; /* required amount of stack. */
-
-
 
 /*
  * FORMAT:
@@ -42,19 +30,15 @@ _Min_Stack_Size = 0x400; /* required amount of stack. */
 /* You will want to change these values to match your uC.*/
 MEMORY
 {
-    FLASH(rx): ORIGIN = 0x08000000, LENGTH = 64K
+    FLASH(rx):ORIGIN =0x08000000,LENGTH =64K
-    SRAM(rwx): ORIGIN = 0x20000000, LENGTH = 20K
+    SRAM(rwx):ORIGIN =0x20000000,LENGTH =20K
 }
 
-/* VMA: virtual memory address.*/
-/* LMA: Load memory address. */
-
 floating_point = 0;
 SECTIONS
 {
-
     /* Code section, mapped to Flash memory */
-    .text :
+    .tect :
     {
         KEEP(*(.isr_vector))    /* Vector table, which must be at the beginning of Flash*/
         *(.text)                /* All code goes here */
@@ -69,37 +53,6 @@ SECTIONS
         *(.data)                    /* Initialized data */
         _edata = .;                 /* End of data section */
     } > RAM AT > FLASH
-
-    /* BSS: Placed in SRAM memory types. */
-    /* Holds all uninitialized globals and static variables.*/ 
-    .bss :
-    {
-        _sbss = .;                  /* Start of BSS */
-        *(.bss)                     /* Uninitialized data */
-        *(COMMON)                   /* Common symbols (zero-init) */
-        _ebss = .;                  /* End of BSS */
-    } > RAM
-
-    /* Stack Section: Sizes known at compile time. */
-    ._stack :
-    {
-        . = ALIGN(8);               /* Align to 8-byte boundry */
-        _estack = .;                /* End of stack (top of the stack) */
-        . = . + 2048;               /* Reserve 2KB for stack */
-        _sstack = .;                /*Start of stack */
-    } > RAM
-
-    /* Heap Section: Used for dynamic memory allocation. */
-    .heap :
-    {
-        _sheap = .;                 /* Start of heap */
-        . = . + 2048;               /* Reserve 2 KB for heap */
-        _eheap = .;                 /* End of heap */
-    } > RAM
 }
 
-/* Provide symbols to be used in the startup code */
+
-PROVIDE(_stack_start = _sstack);
-PROVIDE(_stack_end = _estack);
-PROVIDE(_heap_start = _sheap);
-PROVIDE(_heap_end = _eheap);