Blackfin arch: redo our linker script a bit

 - we can start taking advantages of defines in asm-generic/vmlinux.lds.h
 - move our L1 relocated sections into init so it gets freed after relocation

Signed-off-by: Mike Frysinger <michael.frysinger@analog.com>
Signed-off-by: Bryan Wu <bryan.wu@analog.com>

1 files changed, 56 insertions, 111 deletions

diff --git a/arch/blackfin/kernel/vmlinux.lds.S b/arch/blackfin/kernel/vmlinux.lds.S
index 19b853af4d7..1ef1e36b395 100644
--- a/arch/blackfin/kernel/vmlinux.lds.S
+++ b/arch/blackfin/kernel/vmlinux.lds.S
@@ -7,7 +7,7 @@
  * Description:  Master linker script for blackfin architecture
  *
  * Modified:
- *               Copyright 2004-2006 Analog Devices Inc.
+ *               Copyright 2004-2007 Analog Devices Inc.
  *
  * Bugs:         Enter bugs at http://blackfin.uclinux.org/
  *
@@ -32,98 +32,54 @@
 #include <asm-generic/vmlinux.lds.h>
 #include <asm/mem_map.h>
 
-
 OUTPUT_FORMAT("elf32-bfin")
 ENTRY(__start)
 _jiffies = _jiffies_64;
 
-MEMORY
-{
-        ram         : ORIGIN = CONFIG_BOOT_LOAD, LENGTH = (CONFIG_MEM_SIZE * 1024 * 1024) - (CONFIG_BOOT_LOAD)
-        l1_data_a   : ORIGIN = L1_DATA_A_START,  LENGTH = L1_DATA_A_LENGTH
-        l1_data_b   : ORIGIN = L1_DATA_B_START,  LENGTH = L1_DATA_B_LENGTH
-        l1_code     : ORIGIN = L1_CODE_START,    LENGTH = L1_CODE_LENGTH
-        l1_scratch  : ORIGIN = L1_SCRATCH_START, LENGTH = L1_SCRATCH_LENGTH
-}
-
 SECTIONS
 {
         . = CONFIG_BOOT_LOAD;
-
         .text :
         {
-                 __text = .;
-                 _text = .;
-                 __stext = .;
+                __text = .;
+                _text = .;
+                __stext = .;
                 TEXT_TEXT
                 SCHED_TEXT
+                LOCK_TEXT
                 *(.text.lock)
+                *(.fixup)
+
                 . = ALIGN(16);
-                  ___start___ex_table = .;
+                ___start___ex_table = .;
                 *(__ex_table)
-                 ___stop___ex_table = .;
-
-                *($code)
-                *(.rodata)
-                *(.rodata.*)
-                *(__vermagic)           /* Kernel version magic */
-                *(.rodata1)
-                *(.fixup)
-                *(.spinlock.text)
+                ___stop___ex_table = .;
 
-                /* Kernel symbol table: Normal symbols */
                 . = ALIGN(4);
-                ___start___ksymtab = .;
-                *(__ksymtab)
-                ___stop___ksymtab = .;
-
-                /* Kernel symbol table: GPL-only symbols */
-                ___start___ksymtab_gpl = .;
-                *(__ksymtab_gpl)
-                ___stop___ksymtab_gpl = .;
-
-                /* Kernel symbol table: Normal unused symbols */                \
-                ___start___ksymtab_unused = .;
-                *(__ksymtab_unused)
-                ___stop___ksymtab_unused = .;
-
-                /* Kernel symbol table: GPL-only unused symbols */
-                ___start___ksymtab_unused_gpl = .;
-                *(__ksymtab_unused_gpl)
-                ___stop___ksymtab_unused_gpl = .;
-
-
-                /* Kernel symbol table: GPL-future symbols */
-                ___start___ksymtab_gpl_future = .;
-                *(__ksymtab_gpl_future)
-                ___stop___ksymtab_gpl_future = .;
-
-                /* Kernel symbol table: Normal symbols */
-                ___start___kcrctab = .;
-                *(__kcrctab)
-                ___stop___kcrctab = .;
-
-                /* Kernel symbol table: GPL-only symbols */
-                ___start___kcrctab_gpl = .;
-                *(__kcrctab_gpl)
-                ___stop___kcrctab_gpl = .;
-
-                /* Kernel symbol table: GPL-future symbols */
-                ___start___kcrctab_gpl_future = .;
-                *(__kcrctab_gpl_future)
-                ___stop___kcrctab_gpl_future = .;
-
-                /* Kernel symbol table: strings */
-                *(__ksymtab_strings)
-
-                 . = ALIGN(4);
                 __etext = .;
-        } > ram
+        }
+
+        RODATA
+
+        .data :
+        {
+                __sdata = .;
+                . = ALIGN(0x2000);
+                *(.data.init_task)
+                DATA_DATA
+                CONSTRUCTORS
+
+                . = ALIGN(32);
+                *(.data.cacheline_aligned)
+
+                . = ALIGN(0x2000);
+                __edata = .;
+        }
 
+        ___init_begin = .;
         .init :
         {
                 . = ALIGN(4096);
-                ___init_begin = .;
                 __sinittext = .;
                 *(.init.text)
                 __einittext = .;
@@ -149,39 +105,39 @@ SECTIONS
                 *(.init.ramfs)
                 ___initramfs_end = .;
                 . = ALIGN(4);
-                ___init_end = .;
-        } > ram
+        }
 
-         __l1_lma_start = .;
+        __l1_lma_start = .;
 
-        .text_l1 :
+        .text_l1 L1_CODE_START : AT(LOADADDR(.init) + SIZEOF(.init))
         {
                 . = ALIGN(4);
-                 __stext_l1 = .;
+                __stext_l1 = .;
                 *(.l1.text)
 
                 . = ALIGN(4);
-                 __etext_l1 = .;
-        } > l1_code AT > ram
+                __etext_l1 = .;
+        }
 
-        .data_l1 :
+        .data_l1 L1_DATA_A_START : AT(LOADADDR(.text_l1) + SIZEOF(.text_l1))
         {
                 . = ALIGN(4);
-                 __sdata_l1 = .;
+                __sdata_l1 = .;
                 *(.l1.data)
-                 __edata_l1 = .;
+                __edata_l1 = .;
 
                 . = ALIGN(4);
-                 __sbss_l1 = .;
+                __sbss_l1 = .;
                 *(.l1.bss)
 
                 . = ALIGN(32);
                 *(.data_l1.cacheline_aligned)
 
                 . = ALIGN(4);
-                 __ebss_l1 = .;
-        } > l1_data_a AT > ram
-        .data_b_l1 :
+                __ebss_l1 = .;
+        }
+
+        .data_b_l1 L1_DATA_B_START : AT(LOADADDR(.data_l1) + SIZEOF(.data_l1))
         {
                 . = ALIGN(4);
                 __sdata_b_l1 = .;
@@ -194,36 +150,25 @@ SECTIONS
 
                 . = ALIGN(4);
                 __ebss_b_l1 = .;
-        } > l1_data_b AT > ram
+        }
 
-        .data :
-        {
-                 __sdata = .;
-                . = ALIGN(0x2000);
-                *(.data.init_task)
-                DATA_DATA
+        ___init_end = LOADADDR(.data_b_l1) + SIZEOF(.data_b_l1);
 
-                . = ALIGN(32);
-                *(.data.cacheline_aligned)
-
-                . = ALIGN(0x2000);
-                __edata = .;
-        } > ram
-
-        /DISCARD/ : {                   /* Exit code and data*/
-                *(.exit.text)
-                *(.exit.data)
-                *(.exitcall.exit)
-        } > ram
-
-        .bss :
+        .bss LOADADDR(.data_b_l1) + SIZEOF(.data_b_l1) :
         {
                 . = ALIGN(4);
-                 ___bss_start = .;
+                ___bss_start = .;
                 *(.bss)
                 *(COMMON)
                 . = ALIGN(4);
-                 ___bss_stop = .;
-                 __end = .      ;
-        } > ram
+                ___bss_stop = .;
+                __end = .;
+        }
+
+        /DISCARD/ :
+        {
+                *(.exit.text)
+                *(.exit.data)
+                *(.exitcall.exit)
+        }
 }