From 5931d0c6a9e7f909e786bc4df4710eb33103b6a7 Mon Sep 17 00:00:00 2001 From: lysyoli Date: Fri, 24 May 2024 09:25:48 +0000 Subject: [PATCH] bartek --- Make.rules | 81 ++++++++++++++++++++++++++++++++++++++++++++++++++++ Makefile | 27 ++++++++++++++++++ _crt0.S | 42 +++++++++++++++++++++++++++ _crt0.o | Bin 0 -> 2920 bytes _rvmain.cpp | 72 ++++++++++++++++++++++++++++++++++++++++++++++ myfunc.cpp | 35 +++++++++++++++++++++++ myfunc.h | 9 ++++++ 7 files changed, 266 insertions(+) create mode 100644 Make.rules create mode 100644 Makefile create mode 100644 _crt0.S create mode 100644 _crt0.o create mode 100644 _rvmain.cpp create mode 100644 myfunc.cpp create mode 100644 myfunc.h diff --git a/Make.rules b/Make.rules new file mode 100644 index 0000000..2bd12e9 --- /dev/null +++ b/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 diff --git a/Makefile b/Makefile new file mode 100644 index 0000000..1456d22 --- /dev/null +++ b/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 $(PROGS) *.o *.s *.lst *.bin *.srec *.dis + +.PHONY: run +run: prog.bin + ../../../src/rvddt -l0x3000 -f prog.bin + diff --git a/_crt0.S b/_crt0.S new file mode 100644 index 0000000..50a0e46 --- /dev/null +++ b/_crt0.S @@ -0,0 +1,42 @@ + .text + .global _start + .type _start, @function + +_start: + # Initialize global pointer + .option push + .option norelax + la gp, __global_pointer$ + .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 diff --git a/_crt0.o b/_crt0.o new file mode 100644 index 0000000000000000000000000000000000000000..802259cad073b0b52a3005a30a731f1955f6b78f GIT binary patch literal 2920 zcma)8U2hvj6upy;OIljTi2;Weh;fpoeAIE%N_+^R2DKESP=NvxAR%k*Y?398?e1>k z1PMry;Eksur9T1jh=jxs;D;db01}Tpf`D`8!(K0;;!1bs+a_GdTNUQXhp#PB|)pb5pHg6M<4BUcDud)?KnyI1_y^9%jZZb$fP`j z9xMN&c#a*{3JUz+VWZPeGL3Ti>rB$uIAMR1*s6Lq9!q*R$vv(sMjLUE~B z#vW20gPP^*Z0*Z7Zi@S^pqu zN!S}LUWYyL#%LZ+WB7SGqU7ut!`QZz5HWUX$T9X@#-0JLX6y^Vjf~Clt2uiyXJ5?O z&*kj=c&5flGV6Ic$G?`bhY-NSA^TYe>^ki8LtjBgW7Fy7_Ge1lj}Q6A9#zWt?s{@M zmv7da<&W=wQS(RpZ|tSve8nLm@Z`aqed@&d?stCK0X!MaY{nm7ohSMEr{(R;0JAuc zmohfzUCY_;%T0y7T??v4-j2GcSS~E$5I0b%neZ6_(*7asnc7v$vrmgUKf=oi^Y8v9z6RA8q z!dDEGhtSV07=zgPc^@jaXo;PlZ^PUo8VIrTSAk1s&_I}0;!_1-?UgTSsIlX7S*l|E z%R$Hdw^aMV&8J!1g_bmC-yC8oqk(l#J=UcPybmo z5MtkQn!vSl^okJsmJ|4$!z_nR= zMTmXNxdU9|V+tYmEr*|>s%Riwih5E*VVdFt26+Uk>_zAMpq`*tgq@n#P`G`{J|0|( z%VljW@W3I&PuVf0o*eF`K?{8vn||A&IP3)VG(1S9z7eE>)LHTMxMvI<-3VKITg^_? z4Z#^=)OQRb(~UFgZuT4@Xtm;Se=HotL3b;}*oJMg`D0TL(lm}*dntndU#g%gs4XR3 zx1;yX+$)a8E#Muy2Bo}%n*0X6-Z%7&v0Qv8$8*122f$UR6UHdK2Rui|yGLh69PcuG z#O60zguKyvZ(>Y)1?qBWe+T`Nz>16Uo@Kw|PkhH)2=Y6)2ktxG0A@}DN_hdsl7YHq zjLLh$-pPkB7M+3K#XbPe&bx*?`Z|1^m(Pcrm-oo!01E#8=^7-axY(x|O#eLussvWJ zx0FL@cHXZsFTaWN^1R%tEnA7|F5kMbLwC!Ghm?##%Wg7FiS lcl2o}=j9ss?XCs@ + +char * ptr1 = "Oliwier"; +char * ptr2 = "Florjanczyk"; +int strlen(char *s) +{ + cha *p = s; + while (*p != '\0') + p++; + return p - s; +} + +void strcpy(char *s, char *t) +{ + while (*s++ = *t++); +} + + +#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; +} + +int main() { + + char * s = "mpabi"; + + + uint8_t wynik =0; + wynik = strlen (s); + + asm("nop"); + + + char * p1 = alloc(strlen(ptr1)); + strcpy (p1, ptr1); + asm("nop"); + + char * p2 = alloc(strlen(ptr2)); + strcpy (p2, ptr2); + asm("nop"); + + struct point { + int16_t x; + int16_t y; + }; + + struct point * ptrS = (struct point *) alloc(sizeof(point)); + ptrS->x=0x10; + ptrS->y=0x20; + asm("nop"); + + (*ptrS).y= strlen (p1)+ strlen(p2); + + return 1; +} + diff --git a/myfunc.cpp b/myfunc.cpp new file mode 100644 index 0000000..b621842 --- /dev/null +++ b/myfunc.cpp @@ -0,0 +1,35 @@ +#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); diff --git a/myfunc.h b/myfunc.h new file mode 100644 index 0000000..99a5984 --- /dev/null +++ b/myfunc.h @@ -0,0 +1,9 @@ +#ifndef myfunc_H +#define myfunc_H + +#include + + +void count_characters(const char* alfabet, const char* slowo, uint8_t* wynik); + +#endif