fix(isr): reallign stack after isr wrapper

Signed-off-by: Julien CLEMENT <julien.clement@epita.fr>

k/Makefile

@@ -41,7 +41,7 @@ DEPS = $(OBJS:.o=.d)
 all: $(TARGET)
 
 $(TARGET): CPPFLAGS += -MMD -Iinclude -I ../libs/libc/include/
-$(TARGET): CFLAGS += $(K_EXTRA_CFLAGS)
+$(TARGET): CFLAGS += $(K_EXTRA_CFLAGS) -g
 $(TARGET): LDFLAGS += -Wl,-Tk.lds
 $(TARGET): LDLIBS = -L../libs/libc -lc
 $(TARGET): $(OBJS)

k/isr.S

@@ -7,6 +7,7 @@ isr:
     call    interrupt_handler
     add     $4, %esp
     popal
+    add $8, %esp
     iret
 
 .global isr_divide

k/k.c

@@ -45,8 +45,14 @@ void k_main(unsigned long magic, multiboot_info_t *info)
     char *fb = (void *)0xb8000;
 
     k_init();
-
+    asm volatile("int $3\n"
+            :
+            :
+            :);
     printf("bonjour\r\n");
+
+
+
     for (unsigned i = 0; ; ) {
         *fb = star[i++ % 4];
     }