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Attempt to enable RV32 C extension. c.lw and c.sw are definitely broken somehow wrt MMIO memory.

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Examples built using C extensions, many fail in strange ways
This commit is contained in:
Toby Jaffey 2025-12-17 15:43:15 +00:00
parent 652094c289
commit adec69e1d7
17 changed files with 132 additions and 76 deletions
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2
apps/common/makefile.common
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@ -3,7 +3,7 @@ OPT ?= -Os
CFLAGS+=-I${TOPDIR}/common -I${TOPDIR}/apps/common
CFLAGS+=${OPT} -fno-stack-protector -fno-builtin-memcpy -fno-builtin
CFLAGS+=-static-libgcc -fdata-sections -ffunction-sections
CFLAGS+=-g -march=rv32im -mabi=ilp32 -static
CFLAGS+=-g -march=rv32imac -mabi=ilp32 -static
LDFLAGS:= -T ${TOPDIR}/apps/common/linker.ld -nostdlib -Wl,--gc-sections
LIBS:= -lgcc # needed for softfp