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armcm_link: Fix build on recent arm gcc/newlibc versions

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It seems recent arm gcc versions no longer build correctly using the
"--specs=nano.specs --specs=nosys.specs" linker flags.  Replace those
linker flags with "-nostdlib -lgcc -lc_nano".

Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
This commit is contained in:
Kevin O'Connor
2024-06-11 08:58:31 -04:00
parent 433fcb6f24
commit ae227d485c
8 changed files with 14 additions and 9 deletions
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7
src/rp2040/Makefile
View File

@@ -46,7 +46,6 @@ $(OUT)klipper.uf2: $(OUT)klipper.elf $(OUT)lib/rp2040/elf2uf2/elf2uf2
$(Q)$(OUT)lib/rp2040/elf2uf2/elf2uf2 $< $@
rptarget-$(CONFIG_RP2040_HAVE_STAGE2) := $(OUT)klipper.uf2
rplink-$(CONFIG_RP2040_HAVE_STAGE2) := $(OUT)src/rp2040/rp2040_link.ld
stage2-$(CONFIG_RP2040_HAVE_STAGE2) := $(OUT)stage2.o
# rp2040 building when using a bootloader
@@ -55,13 +54,13 @@ $(OUT)klipper.bin: $(OUT)klipper.elf
$(Q)$(OBJCOPY) -O binary $< $@
rptarget-$(CONFIG_RP2040_HAVE_BOOTLOADER) := $(OUT)klipper.bin
rplink-$(CONFIG_RP2040_HAVE_BOOTLOADER) := $(OUT)src/rp2040/rp2040_link.ld
# Set klipper.elf linker rules
target-y += $(rptarget-y)
CFLAGS_klipper.elf += --specs=nano.specs --specs=nosys.specs -T $(rplink-y)
CFLAGS_klipper.elf += -nostdlib -lgcc -lc_nano
CFLAGS_klipper.elf += -T $(OUT)src/rp2040/rp2040_link.ld
OBJS_klipper.elf += $(stage2-y)
$(OUT)klipper.elf: $(stage2-y) $(rplink-y)
$(OUT)klipper.elf: $(stage2-y) $(OUT)src/rp2040/rp2040_link.ld
# Flash rules
lib/rp2040_flash/rp2040_flash:

3
src/rp2040/rp2040_link.lds.S
View File

@@ -77,5 +77,8 @@ SECTIONS
// that isn't needed so no need to include them in the binary.
*(.init)
*(.fini)
// Don't include exception tables
*(.ARM.extab)
*(.ARM.exidx)
}
}