C++ example

This commit is contained in:
Màrius Montón 2020-06-11 09:24:48 +02:00
parent c33524e726
commit 7ddacbfe1e
3 changed files with 122 additions and 0 deletions

50
tests/CPP/cout/Makefile Normal file
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TARGET = cout
TARGET_ARCH = riscv32
CC = riscv32-unknown-elf-g++
# compiling flags here
CFLAGS = -Wall -I. -O0 -static -march=rv32imac -mabi=ilp32 --specs=nosys.specs
LINKER = riscv32-unknown-elf-g++
# linking flags here
LDFLAGS = -I. -static
LIBS = $(EXTRA_LIBS)
# change these to proper directories where each file should be
SRCDIR = ./
OBJDIR = .
BINDIR = ./
INCDIR = -I.
LIBDIR = -L.
SOURCES := $(wildcard $(SRCDIR)/*.cpp)
INCLUDES := $(wildcard $(INCDIR)/*.h)
OBJECTS := $(SOURCES:$(SRCDIR)/%.c=$(OBJDIR)/%.o)
rm = rm -f
$(BINDIR)/$(TARGET): $(OBJECTS)
$(LINKER) $(CFLAGS) $(LDFLAGS) $(LIBS) $(LIBDIR) $(OBJECTS) -o $@
riscv32-unknown-elf-objdump -d $@ > dump
riscv32-unknown-elf-objcopy -Oihex $@ $(TARGET).hex
@echo "Linking complete!"
$(OBJECTS): $(OBJDIR)/%.o : $(SRCDIR)/%.cpp
@echo "Compiling "$<" ..."
$(CC) $(CFLAGS) $(INCDIR) -c $< -o $@
@echo "Done!"
.PHONY: clean
clean:
@$(rm) $(OBJECTS) *.hex dump
@echo "Cleanup complete!"
.PHONY: remove
remove: clean
@$(rm) $(BINDIR)/$(TARGET)
@echo "Executable removed!"

21
tests/CPP/cout/cout.cpp Normal file
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#include <iostream>
using namespace std;
int main(void) {
int aux[5] = {0, 1, 2, 3, 4};
int aux2[5];
int counter = 0;
cout << "Test Start" << endl;
for ( const auto &x : aux ) std::cout << x << ' ';
std::cout << std::endl;
cout << "Test End" << endl;
asm volatile ("ecall");
return 0;
}

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#include <string.h>
#include <stdio.h>
#define TRACE (*(unsigned char *)0x40000000)
extern "C" {
int _read(int file, char* ptr, int len) {
return 0;
}
int _open(int fd) {
return 0;
}
int _close(int fd){
return 0;
}
int _fstat_r(int fd) {
return 0;
}
int _lseek_r(struct _reent *ptr, FILE *fp, long offset, int whence){
return 0;
}
int _isatty_r(struct _reent *ptr, int fd) {
return 0;
}
int _write(int file, const char *ptr, int len) {
int x;
for (x = 0; x < len; x++) {
TRACE = *ptr++;
}
return (len);
}
int _getpid(void) {
return 0;
}
void _kill(int pid) {
return;
}
}