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Twoje Imię 2024-06-11 07:43:41 +02:00
commit d16f0251f7
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81
cpp/Make.rules Normal file
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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

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cpp/Makefile Normal file
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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

42
cpp/_crt0.S Normal file
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.text
.global _start
.type _start, @function
_start:
# Initialize global pointer
.option push
.option norelax
la gp, __global_pointer$
.option pop
li sp, 0x800ffff0
# Clear the bss segment
la a0, __bss_start
la a1, __BSS_END__
clear_bss:
bgeu a0, a1, finish_bss
sb x0, 0(a0)
addi a0, a0, 1
beq x0, x0, clear_bss
finish_bss:
nop //!
call main
nop //!
# abort execution here
ebreak
.section .rodata
alfabet:
.string "abcdefghijklmnopqrstuwxyz"
slowo:
.section .data
wynik:
.string "mpabi"
.space 26 # rezerwuje 26 bajtów dla wyniku, zainicjowane na 0

151
cpp/_rvmain.cpp Normal file
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#include <stdint.h>
int strlen(char *s) {
char *p = s;
while (*p != '\0')
p++;
return p - s;
}
void strcpy(char *s, char *t)
{
while (*s++ = *t++);
}
// Effective C++ by Scott Meyers
// page. 6
// Item 1: Prefer const and inline to #define.
//
class NewDefine{
private:
static const int ALLOCSIZE= 10000;
};
const int NewDefine::ALLOCSIZE;
#define ALLOCSIZE 10000
static char allocbuf[ALLOCSIZE];
static char *allocp = allocbuf;
char *alloc(int n)
{
if (n % 4 != 0) {
n += 4 - (n % 4);
}
if (allocbuf + ALLOCSIZE - allocp >= n) {
allocp += n;
return allocp - n;
} else
return 0;
}
// def. model danych
//pre processor
#define LEN (8+2)*10
struct model {
char * ptr;
uint32_t len ;
};
//alg
// prosta implementacji func. z bibl. std. strok przy uzyciu gpt3.5
//
#define NULL ((void*) 0)
bool is_delim(char c, const char *delims) {
while (*delims) {
if (c == *delims) {
return true;
}
delims++;
}
return false;
}
char *simple_strtok(char *str, const char *delims) {
static char *static_str = (char *) NULL;
if (str !=(char *) NULL) {
static_str = str;
}
if (static_str == (char *) NULL) {
return (char *)NULL;
}
while (*static_str && is_delim(*static_str, delims)) {
static_str++;
}
if (*static_str == '\0') {
return (char *)NULL;
}
char *token_start = static_str;
while (*static_str && !is_delim(*static_str, delims)) {
static_str++;
}
if (*static_str) {
*static_str = '\0';
static_str++;
}
return token_start;
}
char buf[1000];
struct model * p = (struct model *) buf; //p[1]
/*
int alg(char *ptr) {
const char *delims = " ,.!?:;\n\t";
int pos = 0;
char *token = simple_strtok(ptr, delims);
while (token != (char *)NULL) {
p[pos].ptr = token;
p[pos].len = strlen(token);
++pos;
token = simple_strtok((char *)NULL, delims);
}
return pos;
}
*/
int alg(char *ptr) {
const char *delims = " ,.!?:;\n\t";
int pos = 0;
char *token = simple_strtok(ptr, delims);
while (token != (char *)NULL) {
p[pos].ptr = token;
p[pos].len = strlen(token);
++pos;
token = simple_strtok((char *)NULL, delims);
}
return pos;
}
// gdb: p/x (model[]*)p[0].len
// gdb: p/s (char *)(model[]*)p[2].ptr
// :) powered by rv32i
int main() {
char *str = " Success is often defined as the ability to reach your goals in life, whatever those goals may be. In some ways, a better word for success might be attainment, accomplishment, or progress. It is not necessarily a destination but a journey that helps develop the skills and resources you need to thrive.";
alg(str);
asm ("nop");
return 1;
}

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cpp/myfunc.cpp Normal file
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#include "myfunc.h"
// Lokalna deklaracja funkcji my_strlen
static int my_strlen(const char *str) {
int length = 0;
while (str[length] != '\0') {
length++;
}
return length;
}
void count_characters(const char* alfabet, const char* slowo, uint8_t* wynik) {
// Użycie my_strlen do obliczenia długości alfabetu
int alfabet_length = my_strlen(alfabet);
for (int i = 0; i < alfabet_length; ++i) {
wynik[i] = 0;
}
for (int i = 0; i < alfabet_length; ++i) {
for (int j = 0; slowo[j] != '\0'; ++j) {
if (alfabet[i] == slowo[j]) {
wynik[i]++;
}
}
}
}
// #include "myfunc.h"
// const char* alfabet = "abcdefghijklmnopqrstuwxyz";
// const char* slowo = "mpabi";
// int wynik[26] = {0}; // Inicjalizacja tablicy wyników na 0
// count_characters(alfabet, slowo, wynik);

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cpp/myfunc.h Normal file
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#ifndef myfunc_H
#define myfunc_H
#include <stdint.h>
void count_characters(const char* alfabet, const char* slowo, uint8_t* wynik);
#endif