IML TD:

* Implement TD2 exercice 3 completly
* Implement TD3 MIPS assembler MARS exercices

diff --git a/TD2/exercise3/Makefile b/TD2/exercise3/Makefile
new file mode 100644 (file)
index 0000000..33cbd2c
--- /dev/null
+++ b/TD2/exercise3/Makefile
@@ -0,0 +1,82 @@
+# Sample Makefile to build simple project.
+#
+# This Makefile expect all source files (.c) to be at the same level, in the
+# current working directory.
+#
+# It will automatically generate dependencies, compile all files, and produce a
+# binary using the provided name.
+#
+# Set BINARY_NAME to the name of the binary file to build.
+# Set BUILD_TYPE to either debug or release
+#
+# Automatic dependencies code from:
+# http://make.mad-scientist.net/papers/advanced-auto-dependency-generation/#tldr
+BINARY_NAME=exo3
+BUILD_TYPE=debug
+
+# ====================================
+# DO NOT CHANGE STUFF BEYOND THIS LINE
+# ====================================
+
+all: $(BINARY_NAME)
+
+CC=gcc
+LD=gcc
+
+WARN_FLAGS = -Wall -Wextra
+STD_FLAG = -std=c11
+
+ifeq ($(BUILD_TYPE),debug)
+BUILDDIR := .build/debug
+DEBUG_FLAG = -g
+STRIP_FLAG =
+OPTI_FLAG = -O0
+else
+BUILDDIR := .build/release
+DEBUG_FLAG =
+STRIP_FLAG = -s
+OPTI_FLAG = -O3
+endif
+
+CFLAGS := $(CFLAGS) $(WARN_FLAGS) $(STD_FLAG) $(OPTI_FLAG) $(DEBUG_FLAG)
+LDFLAGS := $(LDFLAGS) $(STRIP_FLAG)
+
+OBJDIR := $(BUILDDIR)/objs
+$(shell mkdir -p $(OBJDIR))
+
+SRCS=$(wildcard *.c)
+OBJS=$(patsubst %.c,$(OBJDIR)/%.o,$(SRCS))
+
+DEPDIR := $(BUILDDIR)/deps
+$(shell mkdir -p $(DEPDIR))
+DEPFLAGS = -MT $@ -MMD -MP -MF $(DEPDIR)/$*.Td
+POSTCOMPILE = mv -f $(DEPDIR)/$*.Td $(DEPDIR)/$*.d
+
+$(BINARY_NAME): $(OBJS)
+       @echo "[LD ] $@"
+       @$(LD) $(CFLAGS) $(LDFLAGS) $^ $(LDLIBS) -o $@
+
+$(OBJDIR)/%.o: %.c $(DEPDIR)/%.d
+       @echo "[C  ] $*"
+       @$(CC) $(DEPFLAGS) $(CFLAGS) -c $< -o $@
+       @$(POSTCOMPILE)
+
+$(DEPDIR)/%.d: ;
+
+.PRECIOUS: $(DEPDIR)/%.d
+
+include $(wildcard $(patsubst %,$(DEPDIR)/%.d,$(basename $(SRCS))))
+
+run: $(BINARY_NAME)
+       ./$(BINARY_NAME)
+
+clean:
+       @echo "[CLN]"
+       -@rm -r $(BUILDDIR)
+       -@rm $(BINARY_NAME)
+
+disassemble: $(BINARY_NAME)
+       objdump -d $< | less
+
+symbols: $(BINARY_NAME)
+       objdump -t $< | sort | less

diff --git a/TD2/exercise3/exercise.c b/TD2/exercise3/exercise.c
new file mode 100644 (file)
index 0000000..c4e9e41
--- /dev/null
+++ b/TD2/exercise3/exercise.c
@@ -0,0 +1,41 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+
+#include <sys/types.h>
+#include <sys/wait.h>
+
+int main() {
+    int pipefd[2];
+    char tmpbuf;
+
+    if (pipe(pipefd) == -1) {
+        perror("Pipe creation failure\n");
+        exit(EXIT_FAILURE);
+    };
+
+    pid_t cpid = fork();
+
+    if (cpid == -1) {
+        perror("fork failure\n");
+        exit(EXIT_FAILURE);
+    } else if (cpid == 0) {
+        close(pipefd[0]);
+        dup2(pipefd[1], STDOUT_FILENO);
+        printf("[%d] Hey Jude\n", getpid());
+        //execl("/bin/ls", "ls", (char*)NULL);
+        close(pipefd[1]);
+        exit(EXIT_SUCCESS);
+    } else {
+        close(pipefd[1]);
+        printf("[%d] REDIRECTION: \n", getpid());
+        while (read(pipefd[0], &tmpbuf, 1) > 0) {
+            write(STDOUT_FILENO, &tmpbuf, 1);
+        }
+        close(pipefd[0]);
+        wait(NULL);
+    }
+
+    return EXIT_SUCCESS;
+}

diff --git a/TD3/mips1.asm b/TD3/mips1.asm
new file mode 100644 (file)
index 0000000..218cc57
--- /dev/null
+++ b/TD3/mips1.asm
@@ -0,0 +1,8 @@
+.data
+msg: .asciiz "ça fonctionne"
+.text
+la $a0, msg
+li $v0, 4
+syscall
+li $v0, 10
+syscall
\ No newline at end of file

diff --git a/TD3/mips2.asm b/TD3/mips2.asm
new file mode 100644 (file)
index 0000000..a4689d7
--- /dev/null
+++ b/TD3/mips2.asm
@@ -0,0 +1,12 @@
+.text
+la $t1,34
+la $t2,63
+add $t3,$t2,$t1
+sub $t4,$t3,$t1
+mult $t3,$t4
+mflo $t5
+div $t2,$t1
+mflo $t6
+mfhi $t7
+la $v0,10
+syscall 
\ No newline at end of file

diff --git a/TD3/mips3.asm b/TD3/mips3.asm
new file mode 100644 (file)
index 0000000..080f63b
--- /dev/null
+++ b/TD3/mips3.asm
@@ -0,0 +1,24 @@
+.data
+msg_addition: .asciiz "Valeur attendue 97, obtenue"
+msg_soustraction: .asciiz "Valeur attendue 63, obtenue"
+msg_multiplication: .asciiz "Valeur attendue 6111, obtenue"
+msg_division: .asciiz "Valeur attendue , obtenue"
+.text
+la $t1,34
+la $t2,63
+add $t3,$t2,$t1
+la $a0,msg_addition
+li $v0,4
+syscall
+sub $t4,$t3,$t1
+mult $t3,$t4
+mflo $t5
+div $t2,$t1
+mflo $t6
+mfhi $t7
+
+
+
+
+la $v0,10
+syscall 
\ No newline at end of file