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okej

Make.rules

@@ -0,0 +1,81 @@
+
+ARCH=riscv64-unknown-elf
+GNU_DIR=$(HOME)/riscv/riscv/
+GNU_BIN=$(GNU_DIR)/bin
+
+
+CC=$(GNU_BIN)/$(ARCH)-gcc
+CXX=$(GNU_BIN)/$(ARCH)-g++
+AS=$(GNU_BIN)/$(ARCH)-as
+LD=$(GNU_BIN)/$(ARCH)-ld
+OBJCOPY=$(GNU_BIN)/$(ARCH)-objcopy
+OBJDUMP=$(GNU_BIN)/$(ARCH)-objdump
+SIZE=$(GNU_BIN)/$(ARCH)-size
+AR=$(GNU_BIN)/$(ARCH)-ar
+RANLIB=$(GNU_BIN)/$(ARCH)-ranlib
+
+
+CFLAGS+=-ffreestanding 
+CFLAGS+=-fno-pic
+CFLAGS+=-march=rv32i -mabi=ilp32
+CFLAGS+=  -g
+
+
+LDFLAGS+=-nostdlib
+LDFLAGS+=-Wl,-Ttext=0x00000000
+
+# see: https://github.com/riscv/riscv-gcc/issues/120
+#LDFLAGS+=-Wl,--no-relax
+
+
+
+ASFLAGS+=$(CFLAGS)
+CXXFLAGS+=$(CFLAGS)
+
+CLEAN_DIRS=$(SUBDIRS:%=clean-%)
+ALL_DIRS=$(SUBDIRS:%=all-%)
+
+OBJDUMPFLAGS+=-Mnumeric,no-aliases
+
+.PHONY: all clean world $(CLEAN_DIRS) $(ALL_DIRS)
+
+
+%.bin : %
+	$(OBJCOPY) $< -O binary $@
+
+%.lst : %
+	$(OBJDUMP) $(OBJDUMPFLAGS) -dr --disassemble-all $< > $<.lst
+
+% : %.o
+	$(LINK.cc) $(LDFLAGS) -o $@ $^ $(LDLIBS)
+	$(SIZE) -x -A $@
+
+%.s: %.c
+	$(COMPILE.c) -S -o $@ $<
+
+%.s: %.cc
+	$(COMPILE.cc) -S -o $@ $<
+
+%.o: %.c
+	$(COMPILE.c) -o $@ $<
+
+%.o: %.cc
+	$(COMPILE.cc) -o $@ $<
+
+%.srec: %
+	$(OBJCOPY) $< -O srec $@ 
+
+
+
+
+all:: $(ALL_DIRS)
+
+clean:: $(CLEAN_DIRS)
+
+$(ALL_DIRS)::
+	$(MAKE) -C $(@:all-%=%) all
+
+$(CLEAN_DIRS)::
+	$(MAKE) -C $(@:clean-%=%) clean
+
+world:: clean all

Makefile

@@ -0,0 +1,27 @@
+TOP=./
+include $(TOP)/Make.rules
+
+LDLIBS=
+#CFLAGS+=-O0 -g
+# CFLAGS+=-Og -ggdb3
+CFLAGS+=-O0 -ggdb3
+
+LDFLAGS+=-Wl,--no-relax
+LDFLAGS+=-Wl,-Ttext=0x80000000,-Tdata=0x80010000
+# LDFLAGS+=-T murax_128k_ram.ld
+
+PROGS=prog prog.bin prog.lst 
+
+all:: $(PROGS)
+
+prog: _crt0.o _rvmain.o myfunc.o
+	$(LINK.cc) -o $@ $^ $(LDLIBS)
+	$(SIZE) -A -x $@
+
+clean::
+	rm -f $(PROGS) *.o *.s *.lst *.bin *.srec *.dis
+
+.PHONY: run
+run: prog.bin
+	../../../src/rvddt -l0x3000 -f prog.bin
+

_rvmain.cpp

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+#include <stdio.h>
+size_t strlen(const char *str) {
+    size_t len = 0;
+    while (*str++) {
+        len++; }
+        return len;
+
+}
+
+int main () {
+    const char *string = "Piotrek";
+    size_t length = strlen(string);
+
+             return 0;
+}
+

gra.txt

@@ -1,2 +0,0 @@
-https://www.mediafire.com/file/c5d9ad65bxiln6o/MojaGra1.zip/file
-