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Shrink unused fwTPM NV slots so the STM32H5 secure stack fits

pull/898/merge
Aidan Garske 2026-09-15 10:55:20 -07:00 committed by Daniele Lacamera
parent 16637119f8
commit 8b3e843495
1 changed files with 4 additions and 0 deletions
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4
options.mk
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@ -1271,6 +1271,10 @@ ifeq ($(WOLFCRYPT_TZ_FWTPM),1)
CFLAGS+=-DWC_RSA_PSS CFLAGS+=-DWC_RSA_PSS
CFLAGS+=-DWOLFSSL_PSS_SALT_LEN_DISCOVER CFLAGS+=-DWOLFSSL_PSS_SALT_LEN_DISCOVER
CFLAGS+=-DFWTPM_MAX_COMMAND_SIZE=4096 CFLAGS+=-DFWTPM_MAX_COMMAND_SIZE=4096
# NV is disabled here; the default 16x2KB NV index slots are dead weight that
# pushes the fwTPM context into the secure stack on the 128KB STM32H5 RAM.
CFLAGS+=-DFWTPM_MAX_NV_INDICES=2
CFLAGS+=-DFWTPM_MAX_NV_DATA=512
CFLAGS+=-I$(WOLFBOOT_LIB_WOLFTPM) CFLAGS+=-I$(WOLFBOOT_LIB_WOLFTPM)
ifeq ($(USE_CLANG),1) ifeq ($(USE_CLANG),1)
CLANG_MULTILIB_FLAGS:=$(filter -mthumb -mlittle-endian,$(LDFLAGS)) $(filter -mcpu=%,$(CFLAGS)) CLANG_MULTILIB_FLAGS:=$(filter -mthumb -mlittle-endian,$(LDFLAGS)) $(filter -mcpu=%,$(CFLAGS))