diff options
Diffstat (limited to 'bsps/i386/pc386/config/pc386.cfg')
| -rw-r--r-- | bsps/i386/pc386/config/pc386.cfg | 58 |
1 files changed, 58 insertions, 0 deletions
diff --git a/bsps/i386/pc386/config/pc386.cfg b/bsps/i386/pc386/config/pc386.cfg new file mode 100644 index 0000000000..dd7f554cbc --- /dev/null +++ b/bsps/i386/pc386/config/pc386.cfg @@ -0,0 +1,58 @@ +# +# Config file for the PC 386 BSP +# + +include $(RTEMS_ROOT)/make/custom/default.cfg + +RTEMS_CPU=i386 + +# This contains the compiler options necessary to select the CPU model +# and (hopefully) optimize for it. +# +# NOTE: CPU_CFLAGS is set by pc386 variants. +ifeq ($(CPU_CFLAGS),) + CPU_CFLAGS = -mtune=i386 +endif + +# optimize flag: typically -O2 +CFLAGS_OPTIMIZE_V = -O2 -g +# Per function sections disabled per https://devel.rtems.org/ticket/2638 +CFLAGS_OPTIMIZE_V += -ffunction-sections -fdata-sections + +LDFLAGS = -Wl,--gc-sections + +# Here is the rule to actually build a $(ARCH)/foo$(EXEEXT) +# It also builds $(ARCH)/foo.sr and $(ARCH)/foo.nm +# Usage ref: src/tests/sptest/sp1/Makefile + +#+--------------------------------------------------------------------------+ +#| Set the value of RELOCADDR to the address where you want your image to +#| load. If you'll be using GRUB to load the images it will have to be >= +#| 0x100000 (1024K). If you are using NetBoot to load the images it can be +#| >= 0x10000 (64K) AND <= 0x97C00 (607K) OR >= 0x100000 (1024K). The memory +#| top is of course another limit. Make sure there is enough space before the +#| upper memory limits for the image and the memory allocated by it to fit. +#| Make sure the value you choose is aligned to 4 bytes. +#+--------------------------------------------------------------------------+ + RELOCADDR=0x00100000 + +START16FILE=$(PROJECT_RELEASE)/lib/start16$(LIB_VARIANT).bin +START16ADDR=0x00097C00 +HEADERADDR=0x00097E00 + +LDFLAGS += -Wl,-Ttext,$(RELOCADDR) + +define bsp-post-link + $(default-bsp-post-link) + $(OBJCOPY) -O elf32-i386 \ + --remove-section=.comment \ + --remove-section=.note \ + --strip-unneeded $(basename $@)$(EXEEXT) $(basename $@).nxe + $(OBJCOPY) -O binary $(basename $@).nxe $(basename $@).bin + $(PROJECT_TOOLS)/bin2boot -v $(basename $@)$(DOWNEXT) $(HEADERADDR)\ + $(START16FILE) $(START16ADDR) 0 $(basename $@).bin $(RELOCADDR) 0 + rm -f $(basename $@).nxe +endef + +# BSP-specific tools +BIN2BOOT=$(PROJECT_TOOLS)/bin2boot |