1 #-----------------------------------------------------------------------------
 
   2 # This code is licensed to you under the terms of the GNU GPL, version 2 or,
 
   3 # at your option, any later version. See the LICENSE.txt file for the text of
 
   5 #-----------------------------------------------------------------------------
 
   6 # Makefile for bootrom, see ../common/Makefile.common for common settings
 
   7 #-----------------------------------------------------------------------------
 
   9 # DO NOT use thumb mode in the phase 1 bootloader since that generates a section with glue code
 
  11 THUMBSRC = usb.c bootrom.c
 
  12 ASMSRC = ram-reset.s flash-reset.s
 
  14 ## There is a strange bug with the linker: Sometimes it will not emit the glue to call
 
  15 ## BootROM from ARM mode. The symbol is emitted, but the section will be filled with
 
  16 ## zeroes. As a temporary workaround, do not use thumb for the phase 2 bootloader
 
  17 ## -- Henryk Plötz <henryk@ploetzli.ch> 2009-09-01
 
  18 ARMSRC := $(ARMSRC) $(THUMBSRC)
 
  21 # stdint.h provided locally until GCC 4.5 becomes C99 compliant
 
  24 # Do not move this inclusion before the definition of {THUMB,ASM,ARM}SRC
 
  25 include ../common/Makefile.common
 
  27 all: $(OBJDIR)/bootrom.s19
 
  29 $(OBJDIR)/bootrom.elf: $(VERSIONOBJ) $(ASMOBJ) $(ARMOBJ) $(THUMBOBJ)
 
  30         $(LD) -g -Tldscript-flash --oformat elf32-littlearm -Map=$(patsubst %.elf,%.map,$@) -o $@ $^
 
  33         $(DELETE) $(OBJDIR)$(PATHSEP)*.o
 
  34         $(DELETE) $(OBJDIR)$(PATHSEP)*.elf
 
  35         $(DELETE) $(OBJDIR)$(PATHSEP)*.s19
 
  36         $(DELETE) $(OBJDIR)$(PATHSEP)*.map
 
  37         $(DELETE) $(OBJDIR)$(PATHSEP)*.d
 
  40 .PHONY: all clean help 
 
  42         @echo Multi-OS Makefile, you are running on $(DETECTED_OS)
 
  43         @echo Possible targets:
 
  44         @echo + all   - Make $(OBJDIR)/bootrom.s19, the main bootrom
 
  45         @echo + clean - Clean $(OBJDIR)