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tc3: enable cortex-m asm #686

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Merged
dgarske merged 1 commit into from
Feb 17, 2026
Merged

tc3: enable cortex-m asm #686

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21 changes: 18 additions & 3 deletions arch.mk
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Original file line number Diff line number Diff line change
Expand Up @@ -1364,9 +1364,6 @@ ifeq ($(ARCH), AURIX_TC3)
USE_GCC?=1
ARCH_FLASH_OFFSET=0x00000000

# No asm for you!
MATH_OBJS+=$(WOLFBOOT_LIB_WOLFSSL)/wolfcrypt/src/sp_c32.o

CFLAGS += -I$(TC3_DIR) -Ihal

CFLAGS += -Werror
Expand Down Expand Up @@ -1419,9 +1416,24 @@ ifeq ($(ARCH), AURIX_TC3)
endif

# Compiler flags
ifeq ($(NO_ASM),1)
ifeq ($(SPMATH),1)
MATH_OBJS += $(WOLFBOOT_LIB_WOLFSSL)/wolfcrypt/src/sp_c32.o
endif
else
ifeq ($(SPMATH),1)
CFLAGS+=-DWOLFSSL_SP_ASM -DWOLFSSL_SP_ARM_CORTEX_M_ASM -DWOLFSSL_SP_NO_UMAAL
MATH_OBJS += $(WOLFBOOT_LIB_WOLFSSL)/wolfcrypt/src/sp_cortexm.o
CFLAGS+=$(CORTEXM_ARM_EXTRA_CFLAGS) -DWOLFSSL_ARM_ARCH=7
endif
endif

CFLAGS += -march=armv7-m -mcpu=cortex-m3 -mthumb -mlittle-endian \
-fno-builtin -DWOLFBOOT_AURIX_TC3XX_HSM

# Temporary fix masking wolfCrypt unused function warning with RSA_LOW_MEM
CFLAGS += -Wno-unused-function

LDFLAGS += -march=armv7-m -mcpu=cortex-m3 -mthumb -mlittle-endian -g \
--specs=nano.specs -Wl,--gc-sections -static -Wl,--cref -Wl,-n \
-ffunction-sections -fdata-sections \
Expand Down Expand Up @@ -1478,6 +1490,9 @@ ifeq ($(ARCH), AURIX_TC3)
SIZE=$(CROSS_COMPILE)/llvm-size
endif

# No asm for you!
MATH_OBJS+=$(WOLFBOOT_LIB_WOLFSSL)/wolfcrypt/src/sp_c32.o

# Arch settings for tricore
ifeq ($(USE_GCC),1)
CFLAGS+= -fshort-double -mtc162 -fstrict-volatile-bitfields -fno-builtin \
Expand Down
1 change: 0 additions & 1 deletion config/examples/aurix-tc375-hsm-ecc.config
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Expand Up @@ -4,7 +4,6 @@ AURIX_TC3_HSM=1
SIGN?=ECC256
HASH?=SHA256
DEBUG?=0
NO_ASM?=1
WOLFBOOT_VERSION?=1
V?=0
SPMATH?=1
Expand Down
1 change: 0 additions & 1 deletion config/examples/aurix-tc375-hsm-wolfHSM-certs-ecc.config
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Expand Up @@ -4,7 +4,6 @@ AURIX_TC3_HSM=1
SIGN?=ECC256
HASH?=SHA256
DEBUG?=0
NO_ASM?=1
WOLFBOOT_VERSION?=1
V?=0
SPMATH?=1
Expand Down
1 change: 0 additions & 1 deletion config/examples/aurix-tc375-hsm-wolfHSM-certs-rsa4096.config
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Original file line number Diff line number Diff line change
Expand Up @@ -4,7 +4,6 @@ AURIX_TC3_HSM=1
SIGN?=RSA4096
HASH?=SHA256
DEBUG?=0
NO_ASM?=1
WOLFBOOT_VERSION?=1
V?=0
SPMATH?=1
Expand Down