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[bootloader] reduce ISA & RAM requirements

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rv32e!
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stnolting 2024-12-11 20:54:29 +01:00
parent ff24baf41d
commit 1b577f10a8
1 changed files with 4 additions and 4 deletions
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8
sw/bootloader/makefile
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@ -1,8 +1,8 @@
# Bootloader (for BOOTROM) makefile.
# Minimal RISC-V ISA only
MARCH = rv32i_zicsr_zifencei
MABI = ilp32
# Minimal RISC-V ISA (E!) only
MARCH = rv32e_zicsr_zifencei
MABI = ilp32e
# Optimize for minimal size
EFFORT = -Os
@ -14,7 +14,7 @@ EFFORT = -Os
USER_FLAGS += \
-Wl,--defsym,__neorv32_rom_size=4k \
-Wl,--defsym,__neorv32_rom_base=0xFFFFC000 \
-Wl,--defsym,__neorv32_ram_size=512 \
-Wl,--defsym,__neorv32_ram_size=256 \
-DMAKE_BOOTLOADER \
-flto