arch/v850/kernel/rte_nb85e_cb-multi.ld

   1 /* Linker script for the Midas labs RTE-NB85E-CB evaluation board
   2    (CONFIG_RTE_CB_NB85E), with the Multi debugger ROM monitor .  */
   3
   4 MEMORY {
   5         /* 1MB of SRAM; we can't use the last 96KB, because it's used by
   6            the monitor scratch-RAM.  This memory is mirrored 4 times.  */
   7         SRAM  : ORIGIN = SRAM_ADDR,  LENGTH = (SRAM_SIZE - MON_SCRATCH_SIZE)
   8         /* Monitor scratch RAM; only the interrupt vectors should go here.  */
   9         MRAM  : ORIGIN = MON_SCRATCH_ADDR,  LENGTH = MON_SCRATCH_SIZE
  10         /* 16MB of SDRAM.  */
  11         SDRAM : ORIGIN = SDRAM_ADDR, LENGTH = SDRAM_SIZE
  12 }
  13
  14 #ifdef CONFIG_RTE_CB_NB85E_KSRAM
  15 # define KRAM SRAM
  16 #else
  17 # define KRAM SDRAM
  18 #endif
  19
  20 SECTIONS {
  21         /* We can't use RAMK_KRAM_CONTENTS because that puts the whole
  22            kernel in a single ELF segment, and the Multi debugger (which
  23            we use to load the kernel) appears to have bizarre problems
  24            dealing with it.  */
  25
  26         .text : {
  27                 __kram_start = . ;
  28                 TEXT_CONTENTS
  29         } > KRAM
  30
  31         .data : {
  32                 DATA_CONTENTS
  33                 BSS_CONTENTS
  34                 RAMK_INIT_CONTENTS
  35                 __kram_end = . ;
  36                 BOOTMAP_CONTENTS
  37
  38                 /* The address at which the interrupt vectors are initially
  39                    loaded by the loader.  We can't load the interrupt vectors
  40                    directly into their target location, because the monitor
  41                    ROM for the GHS Multi debugger barfs if we try.
  42                    Unfortunately, Multi also doesn't deal correctly with ELF
  43                    sections where the LMA and VMA differ (it just ignores the
  44                    LMA), so we can't use that feature to work around the
  45                    problem!  What we do instead is just put the interrupt
  46                    vectors into a normal section, and have the
  47                    `mach_early_init' function for Midas boards do the
  48                    necessary copying and relocation at runtime (this section
  49                    basically only contains `jr' instructions, so it's not
  50                    that hard).  */
  51                 . = ALIGN (0x10) ;
  52                 __intv_load_start = . ;
  53                 INTV_CONTENTS
  54         } > KRAM
  55
  56         .root ALIGN (4096) : { ROOT_FS_CONTENTS } > SDRAM
  57 }