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https://github.com/trezor/trezor-firmware.git
synced 2024-12-22 22:38:08 +00:00
add ability for developers to easily avoid locking their flash memory sectors
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d15dd7c944
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@ -59,6 +59,12 @@ else
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LDSCRIPT = $(TOP_DIR)/memory.ld
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endif
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ifeq ($(MEMORY_PROTECT), 0)
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CFLAGS += -DMEMORY_PROTECT=0
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else
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CFLAGS += -DMEMORY_PROTECT=1
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endif
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LDFLAGS += --static \
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-Wl,--start-group \
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-lc \
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2
memory.c
2
memory.c
@ -27,6 +27,7 @@
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void memory_protect(void)
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{
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#if MEMORY_PROTECT
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// Reference STM32F205 Flash programming manual revision 5 http://www.st.com/resource/en/programming_manual/cd00233952.pdf
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// Section 2.6 Option bytes
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// set RDP level 2 WRP for sectors 0 and 1
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@ -45,6 +46,7 @@ void memory_protect(void)
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// Bit 0 OPTLOCK: Option lock: ignored by flash_program_option_bytes
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flash_program_option_bytes(0x0FFCCCEC);
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flash_lock_option_bytes();
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#endif
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}
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int memory_bootloader_hash(uint8_t *hash)
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