[Commit-gnuradio] r6518 - gnuradio/branches/developers/matt/u2f/firmware

[eb]

Author: eb
Date: 2007-09-24 17:11:46 -0600 (Mon, 24 Sep 2007)
New Revision: 6518

Added:
   gnuradio/branches/developers/matt/u2f/firmware/microblaze.ld
Modified:
   gnuradio/branches/developers/matt/u2f/firmware/Makefile
Log:
explicit linker script

Modified: gnuradio/branches/developers/matt/u2f/firmware/Makefile
===================================================================
--- gnuradio/branches/developers/matt/u2f/firmware/Makefile     2007-09-24 
08:06:58 UTC (rev 6517)
+++ gnuradio/branches/developers/matt/u2f/firmware/Makefile     2007-09-24 
23:11:46 UTC (rev 6518)
@@ -1,6 +1,9 @@
 CC = mb-gcc
 LD = mb-ld
-CFLAGS = -Wall -O2 -g -mxl-soft-div -mxl-soft-mul -msoft-float
+# CFLAGS = -Wall -O2 -g -mxl-gp-opt -mxl-soft-div -mxl-soft-mul -msoft-float
+CFLAGS = -Wall -O2 -g  -mxl-soft-div -mxl-soft-mul -msoft-float
+LINKER_SCRIPT = microblaze.ld
+LDFLAGS = -Wl,-T$(LINKER_SCRIPT)
 
 %.bin : %.exe
        mb-objcopy -O binary $< $@
@@ -19,10 +22,10 @@
 all: $(ROMS) $(DUMPS)
 
 test1.exe: test1_main.o u2_init.o spi.o buffer_pool.o sim_io.o
-       $(CC) $^ -o $@
+       $(CC) $(LDFLAGS) $^ -o $@
 
-eth_test.exe: eth_test.o u2_init.o spi.o buffer_pool.o sim_io.o
-       $(CC) $^ -o $@
+eth_test.exe:  eth_test.o u2_init.o spi.o buffer_pool.o sim_io.o
+       $(CC) $(LDFLAGS) $^ -o $@
 
 clean:
        rm -f *.o *.bin *.rom *.exe *.dump

Added: gnuradio/branches/developers/matt/u2f/firmware/microblaze.ld
===================================================================
--- gnuradio/branches/developers/matt/u2f/firmware/microblaze.ld                
                (rev 0)
+++ gnuradio/branches/developers/matt/u2f/firmware/microblaze.ld        
2007-09-24 23:11:46 UTC (rev 6518)
@@ -0,0 +1,163 @@
+OUTPUT_FORMAT("elf32-microblaze", "", "")
+/* 
SEARCH_DIR(/home/jwilliams/tmp/microblaze-toolchain-sources/release/lin/microblaze//lib);*/
+
+ENTRY(_start)
+
+MEMORY {
+       flatmem : ORIGIN = 0x0, LENGTH = 0x00004000     /* 16KB */
+}
+
+SECTIONS
+{
+  _TEXT_START_ADDR = DEFINED(_TEXT_START_ADDR) ? _TEXT_START_ADDR : 0x50;      
        
+  .vectors.reset 0x0 : { *(.vectors.reset) } > flatmem
+  .vectors.sw_exception 0x8 : { *(.vectors.sw_exception) } > flatmem
+  .vectors.interrupt 0x10 : { *(.vectors.interrupt) } > flatmem
+  .vectors.hw_exception 0x20 : { *(.vectors.hw_exception) } >flatmem
+  . = _TEXT_START_ADDR;
+   _ftext  =  .;
+  .text : {
+    *(.text)
+    *(.text.*)
+    *(.gnu.linkonce.t.*)
+  } > flatmem
+   _etext  =  .;
+  .init : { KEEP (*(.init))    } > flatmem =0
+  .fini : { KEEP (*(.fini))    } > flatmem =0
+  PROVIDE (__CTOR_LIST__ = .);
+  PROVIDE (___CTOR_LIST__ = .);
+  .ctors   : 
+  {
+    /* gcc uses crtbegin.o to find the start of
+       the constructors, so we make sure it is
+       first.  Because this is a wildcard, it
+       doesn't matter if the user does not
+       actually link against crtbegin.o; the
+       linker won't look for a file to match a
+       wildcard.  The wildcard also means that it
+       doesn't matter which directory crtbegin.o
+       is in.  */
+    KEEP (*crtbegin.o(.ctors))
+    /* We don't want to include the .ctor section from
+       from the crtend.o file until after the sorted ctors.
+       The .ctor section from the crtend file contains the
+       end of ctors marker and it must be last */
+    KEEP (*(EXCLUDE_FILE (*crtend.o) .ctors))
+    KEEP (*(SORT(.ctors.*)))
+    KEEP (*(.ctors))
+  } > flatmem
+  PROVIDE (__CTOR_END__ = .);
+  PROVIDE (___CTOR_END__ = .);
+  PROVIDE (__DTOR_LIST__ = .);
+  PROVIDE (___DTOR_LIST__ = .);
+   .dtors         :
+  {
+    KEEP (*crtbegin.o(.dtors))
+    KEEP (*(EXCLUDE_FILE (*crtend.o) .dtors))
+    KEEP (*(SORT(.dtors.*)))
+    KEEP (*(.dtors))
+  } > flatmem
+  PROVIDE (__DTOR_END__ = .);
+  PROVIDE (___DTOR_END__ = .);
+   . = ALIGN(4);
+    _frodata = . ;
+  .rodata : {
+    *(.rodata)
+    *(.gnu.linkonce.r.*)
+    CONSTRUCTORS; /* Is this needed? */
+  } > flatmem
+   _erodata = .;
+  /* Alignments by 8 to ensure that _SDA2_BASE_ on a word boundary */
+  /* Note that .sdata2 and .sbss2 must be contiguous */
+  . = ALIGN(8);
+   _ssrw = .;
+  .sdata2 : {
+    *(.sdata2)
+    *(.gnu.linkonce.s2.*)
+  } > flatmem
+  . = ALIGN(4);
+  .sbss2 : {
+    PROVIDE (__sbss2_start = .);       
+    *(.sbss2)
+    *(.gnu.linkonce.sb2.*)
+    PROVIDE (__sbss2_end = .);
+  } > flatmem
+  . = ALIGN(8);
+   _essrw = .;
+   _ssrw_size = _essrw - _ssrw;
+   PROVIDE (_SDA2_BASE_ = _ssrw + (_ssrw_size / 2 ));
+   . = ALIGN(4);
+   _fdata = .;
+  .data : {
+    *(.data)
+    *(.gnu.linkonce.d.*)
+    CONSTRUCTORS; /* Is this needed? */
+  } > flatmem
+   _edata = . ;
+   /* Added to handle pic code */
+  .got : {  
+    *(.got)
+  } > flatmem
+  .got1 : {  
+    *(.got1)
+  } > flatmem
+  .got2 : {  
+    *(.got2)
+  } > flatmem
+  /* Added by Sathya to handle C++ exceptions */
+  .eh_frame : {  
+    *(.eh_frame)
+  } > flatmem
+  .jcr : {  
+    *(.jcr)
+  } > flatmem
+  .gcc_except_table : {  
+    *(.gcc_except_table)
+  } > flatmem
+  /* Alignments by 8 to ensure that _SDA_BASE_ on a word boundary */
+  /* Note that .sdata and .sbss must be contiguous */
+  . = ALIGN(8);
+   _ssro = .;
+  .sdata : {
+    *(.sdata)
+    *(.gnu.linkonce.s.*)
+  } > flatmem
+  . = ALIGN(4);
+  .sbss : {
+    PROVIDE (__sbss_start = .);        
+    *(.sbss)
+    *(.gnu.linkonce.sb.*)
+    PROVIDE (__sbss_end = .);
+  } > flatmem
+  . = ALIGN(8);
+   _essro = .;
+   _ssro_size = _essro - _ssro;
+  PROVIDE (_SDA_BASE_ = _ssro + (_ssro_size / 2 ));
+   . = ALIGN(4);
+   _fbss = .;
+  .bss : {
+    PROVIDE (__bss_start = .); 
+    *(.bss)
+    *(.gnu.linkonce.b.*)
+    *(COMMON)
+    . = ALIGN(4);  
+    PROVIDE (__bss_end = .);
+     _heap = .;
+     _HEAP_SIZE = DEFINED(_HEAP_SIZE) ? _HEAP_SIZE : 0x0;
+     _STACK_SIZE = DEFINED(_STACK_SIZE) ? _STACK_SIZE : 0x800;
+     . += _HEAP_SIZE;
+     _heap_end = .;
+     . += _STACK_SIZE;
+     . = ALIGN(8);
+     _stack = .;
+     _end = .;
+  } > flatmem
+  .tdata : {  
+    *(.tdata)
+    *(.gnu.linkonce.td.*)
+  } > flatmem
+  .tbss : {  
+    *(.tbss)
+    *(.gnu.linkonce.tb.*)
+  } > flatmem
+}