knknkn1162

library IEEE;
use IEEE.STD_LOGIC_1164.ALL;

entity flopr_tb is
end entity;

architecture behavior of flopr_tb is
  component flopr
    generic(N: integer);
    port (

knknkn1162

library IEEE;
use IEEE.STD_LOGIC_1164.ALL;
use IEEE.NUMERIC_STD.ALL;

entity counter_tb is
end entity;


architecture testbench of counter_tb is
  component counter is

knknkn1162

# -*- mode: ruby -*-
# vi: set ft=ruby :
Vagrant.configure("2") do |config|
  config.vm.box = "ubuntu/trusty32"
  config.vm.synced_folder ".", "/home/vagrant/shared"
end

knknkn1162

initcode.o:     file format elf32-i386


Disassembly of section .text:

00000000 <start>:


# exec(init, argv)

knknkn1162

$ gcc -nostdlib -Wl,-emain hello0.S -Wl,--verbose
GNU ld (GNU Binutils for Ubuntu) 2.24
  Supported emulations:
   elf_i386
   i386linux
   elf32_x86_64
   elf_x86_64
   elf_l1om
   elf_k1om
   i386pep

knknkn1162

Memory Configuration

Name             Origin             Length             Attributes
*default*        0x0000000000000000 0xffffffffffffffff

Linker script and memory map

LOAD /tmp/cc9UJbgz.o
                0x0000000008048000                PROVIDE (__executable_start, 0x8048000)

knknkn1162

$ i386-jos-elf-ld -m    elf_i386 -T kernel.ld -o kernel entry.o bio.o console.o exec.o file.o fs.o ide.o ioapic.o kalloc.o kbd.o lapic.o log.o main.o mp.o picirq.o pipe.o proc.o sleeplock.o spinlock.o string.o swtch.o syscall.o sysfile.o sysproc.o trapasm.o trap.o uart.o vectors.o vm.o  -b binary initcode entryother -M

Allocating common symbols
Common symbol       size              file

log                 0xc4              log.o
kmem                0x3c              kalloc.o
ioapicid            0x1               mp.o
ioapic              0x4               ioapic.o
bcache              0x4958            bio.o

knknkn1162

$ gcc  -nostdlib -Wl,-emain call.s
$ ./a.out
Hello world!
$ objdump -S a.out > a.asm && cat a.asm

a.out:     file format elf32-i386


Disassembly of section .text:

knknkn1162

bootblockother.o:     file format elf32-i386


Disassembly of section .text:

00007000 <start>:
# This code combines elements of bootasm.S and entry.S.

.code16           

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$ objdump -S kernel

kernel:     file format elf32-i386


Disassembly of section .text:

80100000 <multiboot_header>:
80100000:	02 b0 ad 1b 00 00    	add    0x1bad(%eax),%dh
80100006:	00 00                	add    %al,(%eax)