diff options
| author | Eric Wild <ewild@sysmocom.de> | 2020-04-03 21:33:30 +0200 |
|---|---|---|
| committer | laforge <laforge@osmocom.org> | 2021-04-04 16:16:24 +0000 |
| commit | 19cd3b0f71d93dc3e97a9ab9ea763b9d3d1727fa (patch) | |
| tree | 1d88bfb93ce3d3a8544eb02a939a683b1f41bca2 | |
| parent | a1579ff4b01a00a3badd6d66a2c69fc8cdbddc04 (diff) | |
firmware: do not allow undefined symbols
For some reason undefined symbols were downgraded to warnings, which
means building a firmware that calls missing functions (= address zero)
was perfectly fine, which of course made development more exciting....
This applies to builtins, too, printf of one char gets downgraded to
putchar, which we don't have, so disable builtins.
Change-Id: I492f41ad4162b9d07b1881ae4aed019db2dff8b5
| -rw-r--r-- | firmware/Makefile | 4 | ||||
| -rw-r--r-- | firmware/libboard/common/source/board_lowlevel.c | 5 |
2 files changed, 7 insertions, 2 deletions
diff --git a/firmware/Makefile b/firmware/Makefile index ccf5843..cc40673 100644 --- a/firmware/Makefile +++ b/firmware/Makefile @@ -164,14 +164,14 @@ CFLAGS += -Wno-suggest-attribute=noreturn # -mlong-calls -Wall #CFLAGS += -save-temps -fverbose-asm #CFLAGS += -Wa,-a,-ad -CFLAGS += -D__ARM +CFLAGS += -D__ARM -fno-builtin CFLAGS += --param max-inline-insns-single=500 -mcpu=cortex-m3 -mthumb # -mfix-cortex-m3-ldrd CFLAGS += -ffunction-sections -g $(OPTIMIZATION) $(INCLUDES) -D$(CHIP) -DTRACE_LEVEL=$(TRACE_LEVEL) -DALLOW_PEER_ERASE=$(ALLOW_PEER_ERASE) CFLAGS += -DGIT_VERSION=\"$(GIT_VERSION)\" CFLAGS += -DBOARD=\"$(BOARD)\" -DBOARD_$(BOARD) CFLAGS += -DAPPLICATION=\"$(APP)\" -DAPPLICATION_$(APP) ASFLAGS = -mcpu=cortex-m3 -mthumb -Wall -g $(OPTIMIZATION) $(INCLUDES) -D$(CHIP) -D__ASSEMBLY__ -LDFLAGS = -mcpu=cortex-m3 -mthumb -Wl,--cref -Wl,--check-sections -Wl,--gc-sections -Wl,--entry=ResetException -Wl,--unresolved-symbols=report-all -Wl,--warn-common -Wl,--warn-section-align -Wl,--warn-unresolved-symbols -Wl,--print-memory-usage $(LIB) +LDFLAGS = -mcpu=cortex-m3 -mthumb -Wl,--cref -Wl,--check-sections -Wl,--gc-sections -Wl,--entry=ResetException -Wl,--unresolved-symbols=report-all -Wl,--warn-common -Wl,--warn-section-align -Wl,--print-memory-usage -Wl,--no-undefined $(LIB) #LD_OPTIONAL=-Wl,--print-gc-sections -Wl,--stats # Append BIN directories to output filename diff --git a/firmware/libboard/common/source/board_lowlevel.c b/firmware/libboard/common/source/board_lowlevel.c index b4d7d32..1ddbcba 100644 --- a/firmware/libboard/common/source/board_lowlevel.c +++ b/firmware/libboard/common/source/board_lowlevel.c @@ -218,3 +218,8 @@ void mdelay(unsigned int msecs) do { } while ((jiffies - jiffies_start) < msecs); } + +void abort() { + NVIC_SystemReset(); + while(1) {}; +} |