X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=solutions%2Fp3.patch;h=3e7fb8ba63b619728ac53c63fc6f01574892078e;hb=75d2fa82ec381cb68174bf093e794b0aeee81ca1;hp=c45293112d49fc53b2391ddda5c2ccb1e9df7a73;hpb=209c14555dd67960a38e65b2c3228837ac167cbd;p=pintos-anon

diff --git a/solutions/p3.patch b/solutions/p3.patch
index c452931..3e7fb8b 100644
--- a/solutions/p3.patch
+++ b/solutions/p3.patch
@@ -1,12 +1,12 @@
 Index: src/Makefile.build
 diff -u src/Makefile.build~ src/Makefile.build
---- src/Makefile.build~ 2005-06-18 20:20:47.000000000 -0700
-+++ src/Makefile.build 2006-05-16 13:44:56.000000000 -0700
+--- src/Makefile.build~
++++ src/Makefile.build
 @@ -53,7 +53,9 @@ userprog_SRC += userprog/gdt.c		# GDT in
  userprog_SRC += userprog/tss.c		# TSS management.
  
  # No virtual memory code yet.
--#vm_SRC = vm/filename.c			# Some file.
+-#vm_SRC = vm/file.c			# Some file.
 +vm_SRC = vm/page.c
 +vm_SRC += vm/frame.c
 +vm_SRC += vm/swap.c
@@ -15,8 +15,8 @@ diff -u src/Makefile.build~ src/Makefile.build
  filesys_SRC  = filesys/filesys.c	# Filesystem core.
 Index: src/devices/timer.c
 diff -u src/devices/timer.c~ src/devices/timer.c
---- src/devices/timer.c~ 2005-07-06 13:45:36.000000000 -0700
-+++ src/devices/timer.c 2006-05-16 13:44:56.000000000 -0700
+--- src/devices/timer.c~
++++ src/devices/timer.c
 @@ -23,6 +23,9 @@ static volatile int64_t ticks;
     Initialized by timer_calibrate(). */
  static unsigned loops_per_tick;
@@ -95,8 +95,8 @@ diff -u src/devices/timer.c~ src/devices/timer.c
  /* Returns true if LOOPS iterations waits for more than one timer
 Index: src/threads/init.c
 diff -u src/threads/init.c~ src/threads/init.c
---- src/threads/init.c~ 2006-04-25 11:35:56.000000000 -0700
-+++ src/threads/init.c 2006-05-16 13:44:56.000000000 -0700
+--- src/threads/init.c~
++++ src/threads/init.c
 @@ -33,6 +33,8 @@
  #include "filesys/filesys.h"
  #include "filesys/fsutil.h"
@@ -118,8 +118,8 @@ diff -u src/threads/init.c~ src/threads/init.c
    /* Run actions specified on kernel command line. */
 Index: src/threads/interrupt.c
 diff -u src/threads/interrupt.c~ src/threads/interrupt.c
---- src/threads/interrupt.c~ 2006-04-25 11:35:56.000000000 -0700
-+++ src/threads/interrupt.c 2006-05-16 13:44:56.000000000 -0700
+--- src/threads/interrupt.c~
++++ src/threads/interrupt.c
 @@ -354,6 +354,8 @@ intr_handler (struct intr_frame *frame) 
        in_external_intr = true;
        yield_on_return = false;
@@ -131,8 +131,8 @@ diff -u src/threads/interrupt.c~ src/threads/interrupt.c
       If there is no handler, invoke the unexpected interrupt
 Index: src/threads/thread.c
 diff -u src/threads/thread.c~ src/threads/thread.c
---- src/threads/thread.c~ 2006-04-25 11:35:57.000000000 -0700
-+++ src/threads/thread.c 2006-05-16 13:44:56.000000000 -0700
+--- src/threads/thread.c~
++++ src/threads/thread.c
 @@ -13,6 +13,7 @@
  #include "threads/vaddr.h"
  #ifdef USERPROG
@@ -227,8 +227,8 @@ diff -u src/threads/thread.c~ src/threads/thread.c
  
 Index: src/threads/thread.h
 diff -u src/threads/thread.h~ src/threads/thread.h
---- src/threads/thread.h~ 2006-04-13 13:53:34.000000000 -0700
-+++ src/threads/thread.h 2006-05-16 13:44:56.000000000 -0700
+--- src/threads/thread.h~
++++ src/threads/thread.h
 @@ -2,8 +2,10 @@
  #define THREADS_THREAD_H
  
@@ -289,13 +289,13 @@ diff -u src/threads/thread.h~ src/threads/thread.h
 +    struct semaphore dead;              /* 1=child alive, 0=child dead. */
 +  };
 +
- void thread_init (void);
- void thread_start (void);
- 
+ /* If false (default), use round-robin scheduler.
+    If true, use multi-level feedback queue scheduler.
+    Controlled by kernel command-line options "-o mlfqs".
 Index: src/userprog/exception.c
 diff -u src/userprog/exception.c~ src/userprog/exception.c
---- src/userprog/exception.c~ 2006-01-29 13:32:56.000000000 -0800
-+++ src/userprog/exception.c 2006-05-16 13:44:56.000000000 -0700
+--- src/userprog/exception.c~
++++ src/userprog/exception.c
 @@ -4,6 +4,7 @@
  #include "userprog/gdt.h"
  #include "threads/interrupt.h"
@@ -324,8 +324,8 @@ diff -u src/userprog/exception.c~ src/userprog/exception.c
            not_present ? "not present" : "rights violation",
 Index: src/userprog/pagedir.c
 diff -u src/userprog/pagedir.c~ src/userprog/pagedir.c
---- src/userprog/pagedir.c~ 2006-04-25 11:35:58.000000000 -0700
-+++ src/userprog/pagedir.c 2006-05-16 13:44:56.000000000 -0700
+--- src/userprog/pagedir.c~
++++ src/userprog/pagedir.c
 @@ -35,15 +35,7 @@ pagedir_destroy (uint32_t *pd) 
    ASSERT (pd != base_page_dir);
    for (pde = pd; pde < pd + pd_no (PHYS_BASE); pde++)
@@ -345,8 +345,8 @@ diff -u src/userprog/pagedir.c~ src/userprog/pagedir.c
  
 Index: src/userprog/process.c
 diff -u src/userprog/process.c~ src/userprog/process.c
---- src/userprog/process.c~ 2006-04-25 11:35:58.000000000 -0700
-+++ src/userprog/process.c 2006-05-16 13:44:56.000000000 -0700
+--- src/userprog/process.c~
++++ src/userprog/process.c
 @@ -14,12 +14,26 @@
  #include "threads/flags.h"
  #include "threads/init.h"
@@ -358,26 +358,26 @@ diff -u src/userprog/process.c~ src/userprog/process.c
 +#include "vm/page.h"
 +#include "vm/frame.h"
  
- static thread_func execute_thread NO_RETURN;
+ static thread_func start_process NO_RETURN;
 -static bool load (const char *cmdline, void (**eip) (void), void **esp);
 +static bool load (const char *cmd_line, void (**eip) (void), void **esp);
 +
 +/* Data structure shared between process_execute() in the
-+   invoking thread and execute_thread() in the newly invoked
++   invoking thread and start_process() in the newly invoked
 +   thread. */
 +struct exec_info 
 +  {
-+    const char *filename;               /* Program to load. */
++    const char *file_name;              /* Program to load. */
 +    struct semaphore load_done;         /* "Up"ed when loading complete. */
 +    struct wait_status *wait_status;    /* Child process. */
 +    bool success;                       /* Program successfully loaded? */
 +  };
  
  /* Starts a new thread running a user program loaded from
-    FILENAME.  The new thread may be scheduled (and may even exit)
+    FILE_NAME.  The new thread may be scheduled (and may even exit)
 @@ -28,29 +42,37 @@ static bool load (const char *cmdline, v
  tid_t
- process_execute (const char *filename) 
+ process_execute (const char *file_name) 
  {
 -  char *fn_copy;
 +  struct exec_info exec;
@@ -385,23 +385,23 @@ diff -u src/userprog/process.c~ src/userprog/process.c
 +  char *save_ptr;
    tid_t tid;
  
--  /* Make a copy of FILENAME.
+-  /* Make a copy of FILE_NAME.
 -     Otherwise there's a race between the caller and load(). */
 -  fn_copy = palloc_get_page (0);
 -  if (fn_copy == NULL)
 -    return TID_ERROR;
--  strlcpy (fn_copy, filename, PGSIZE);
+-  strlcpy (fn_copy, file_name, PGSIZE);
 +  /* Initialize exec_info. */
-+  exec.filename = filename;
++  exec.file_name = file_name;
 +  sema_init (&exec.load_done, 0);
  
-   /* Create a new thread to execute FILENAME. */
--  tid = thread_create (filename, PRI_DEFAULT, execute_thread, fn_copy);
+   /* Create a new thread to execute FILE_NAME. */
+-  tid = thread_create (file_name, PRI_DEFAULT, start_process, fn_copy);
 -  if (tid == TID_ERROR)
 -    palloc_free_page (fn_copy); 
-+  strlcpy (thread_name, filename, sizeof thread_name);
++  strlcpy (thread_name, file_name, sizeof thread_name);
 +  strtok_r (thread_name, " ", &save_ptr);
-+  tid = thread_create (thread_name, PRI_DEFAULT, execute_thread, &exec);
++  tid = thread_create (thread_name, PRI_DEFAULT, start_process, &exec);
 +  if (tid != TID_ERROR)
 +    {
 +      sema_down (&exec.load_done);
@@ -417,20 +417,20 @@ diff -u src/userprog/process.c~ src/userprog/process.c
  /* A thread function that loads a user process and starts it
     running. */
  static void
--execute_thread (void *filename_)
-+execute_thread (void *exec_)
+-start_process (void *file_name_)
++start_process (void *exec_)
  {
--  char *filename = filename_;
+-  char *file_name = file_name_;
 +  struct exec_info *exec = exec_;
    struct intr_frame if_;
    bool success;
  
-@@ -59,10 +81,28 @@ execute_thread (void *filename_)
+@@ -59,10 +81,28 @@ start_process (void *file_name_)
    if_.gs = if_.fs = if_.es = if_.ds = if_.ss = SEL_UDSEG;
    if_.cs = SEL_UCSEG;
    if_.eflags = FLAG_IF | FLAG_MBS;
--  success = load (filename, &if_.eip, &if_.esp);
-+  success = load (exec->filename, &if_.eip, &if_.esp);
+-  success = load (file_name, &if_.eip, &if_.esp);
++  success = load (exec->file_name, &if_.eip, &if_.esp);
 +
 +  /* Allocate wait_status. */
 +  if (success)
@@ -441,7 +441,7 @@ diff -u src/userprog/process.c~ src/userprog/process.c
 +    }
  
 -  /* If load failed, quit. */
--  palloc_free_page (filename);
+-  palloc_free_page (file_name);
 +  /* Initialize wait_status. */
 +  if (success) 
 +    {
@@ -457,7 +457,7 @@ diff -u src/userprog/process.c~ src/userprog/process.c
    if (!success) 
      thread_exit ();
  
-@@ -76,18 +116,47 @@ execute_thread (void *filename_)
+@@ -76,18 +116,47 @@ start_process (void *file_name_)
    NOT_REACHED ();
  }
  
@@ -559,11 +559,11 @@ diff -u src/userprog/process.c~ src/userprog/process.c
     and its initial stack pointer into *ESP.
     Returns true if successful, false otherwise. */
  bool
--load (const char *filename, void (**eip) (void), void **esp) 
+-load (const char *file_name, void (**eip) (void), void **esp) 
 +load (const char *cmd_line, void (**eip) (void), void **esp) 
  {
    struct thread *t = thread_current ();
-+  char filename[NAME_MAX + 2];
++  char file_name[NAME_MAX + 2];
    struct Elf32_Ehdr ehdr;
    struct file *file = NULL;
    off_t file_ofs;
@@ -572,7 +572,7 @@ diff -u src/userprog/process.c~ src/userprog/process.c
    int i;
  
    /* Allocate and activate page directory. */
-@@ -220,13 +318,28 @@ load (const char *filename, void (**eip)
+@@ -220,13 +318,28 @@ load (const char *file_name, void (**eip)
      goto done;
    process_activate ();
  
@@ -582,27 +582,27 @@ diff -u src/userprog/process.c~ src/userprog/process.c
 +    goto done;
 +  hash_init (t->pages, page_hash, page_less, NULL);
 +
-+  /* Extract filename from command line. */
++  /* Extract file_name from command line. */
 +  while (*cmd_line == ' ')
 +    cmd_line++;
-+  strlcpy (filename, cmd_line, sizeof filename);
-+  cp = strchr (filename, ' ');
++  strlcpy (file_name, cmd_line, sizeof file_name);
++  cp = strchr (file_name, ' ');
 +  if (cp != NULL)
 +    *cp = '\0';
 +
    /* Open executable file. */
--  file = filesys_open (filename);
-+  t->bin_file = file = filesys_open (filename);
+-  file = filesys_open (file_name);
++  t->bin_file = file = filesys_open (file_name);
    if (file == NULL) 
      {
-       printf ("load: %s: open failed\n", filename);
+       printf ("load: %s: open failed\n", file_name);
        goto done; 
      }
 +  file_deny_write (t->bin_file);
  
    /* Read and verify executable header. */
    if (file_read (file, &ehdr, sizeof ehdr) != sizeof ehdr
-@@ -301,7 +414,7 @@ load (const char *filename, void (**eip)
+@@ -301,7 +414,7 @@ load (const char *file_name, void (**eip)
      }
  
    /* Set up stack. */
@@ -611,7 +611,7 @@ diff -u src/userprog/process.c~ src/userprog/process.c
      goto done;
  
    /* Start address. */
-@@ -311,14 +424,11 @@ load (const char *filename, void (**eip)
+@@ -311,14 +424,11 @@ load (const char *file_name, void (**eip)
  
   done:
    /* We arrive here whether the load is successful or not. */
@@ -808,8 +808,8 @@ diff -u src/userprog/process.c~ src/userprog/process.c
  }
 Index: src/userprog/syscall.c
 diff -u src/userprog/syscall.c~ src/userprog/syscall.c
---- src/userprog/syscall.c~ 2005-06-18 20:21:21.000000000 -0700
-+++ src/userprog/syscall.c 2006-05-16 14:17:02.000000000 -0700
+--- src/userprog/syscall.c~
++++ src/userprog/syscall.c
 @@ -1,20 +1,598 @@
  #include "userprog/syscall.h"
  #include <stdio.h>
@@ -817,7 +817,7 @@ diff -u src/userprog/syscall.c~ src/userprog/syscall.c
  #include <syscall-nr.h>
 +#include "userprog/process.h"
 +#include "userprog/pagedir.h"
-+#include "devices/kbd.h"
++#include "devices/input.h"
 +#include "filesys/directory.h"
 +#include "filesys/filesys.h"
 +#include "filesys/file.h"
@@ -1159,7 +1159,7 @@ diff -u src/userprog/syscall.c~ src/userprog/syscall.c
 +          
 +          for (i = 0; i < read_amt; i++) 
 +            {
-+              char c = kbd_getc ();
++              char c = input_getc ();
 +              if (!page_lock (udst, true)) 
 +                thread_exit ();
 +              udst[i] = c;
@@ -1414,8 +1414,8 @@ diff -u src/userprog/syscall.c~ src/userprog/syscall.c
 +}
 Index: src/userprog/syscall.h
 diff -u src/userprog/syscall.h~ src/userprog/syscall.h
---- src/userprog/syscall.h~ 2004-09-05 22:38:45.000000000 -0700
-+++ src/userprog/syscall.h 2006-05-16 13:44:56.000000000 -0700
+--- src/userprog/syscall.h~
++++ src/userprog/syscall.h
 @@ -2,5 +2,6 @@
  #define USERPROG_SYSCALL_H
  
@@ -1425,8 +1425,8 @@ diff -u src/userprog/syscall.h~ src/userprog/syscall.h
  #endif /* userprog/syscall.h */
 Index: src/vm/frame.c
 diff -u src/vm/frame.c~ src/vm/frame.c
---- src/vm/frame.c~ 1969-12-31 16:00:00.000000000 -0800
-+++ src/vm/frame.c 2006-05-16 13:44:56.000000000 -0700
+--- src/vm/frame.c~
++++ src/vm/frame.c
 @@ -0,0 +1,162 @@
 +#include "vm/frame.h"
 +#include <stdio.h>
@@ -1592,8 +1592,8 @@ diff -u src/vm/frame.c~ src/vm/frame.c
 +}
 Index: src/vm/frame.h
 diff -u src/vm/frame.h~ src/vm/frame.h
---- src/vm/frame.h~ 1969-12-31 16:00:00.000000000 -0800
-+++ src/vm/frame.h 2006-05-16 13:44:56.000000000 -0700
+--- src/vm/frame.h~
++++ src/vm/frame.h
 @@ -0,0 +1,23 @@
 +#ifndef VM_FRAME_H
 +#define VM_FRAME_H
@@ -1620,8 +1620,8 @@ diff -u src/vm/frame.h~ src/vm/frame.h
 +#endif /* vm/frame.h */
 Index: src/vm/page.c
 diff -u src/vm/page.c~ src/vm/page.c
---- src/vm/page.c~ 1969-12-31 16:00:00.000000000 -0800
-+++ src/vm/page.c 2006-05-16 13:44:56.000000000 -0700
+--- src/vm/page.c~
++++ src/vm/page.c
 @@ -0,0 +1,293 @@
 +#include "vm/page.h"
 +#include <stdio.h>
@@ -1918,8 +1918,8 @@ diff -u src/vm/page.c~ src/vm/page.c
 +}
 Index: src/vm/page.h
 diff -u src/vm/page.h~ src/vm/page.h
---- src/vm/page.h~ 1969-12-31 16:00:00.000000000 -0800
-+++ src/vm/page.h 2006-05-16 13:44:56.000000000 -0700
+--- src/vm/page.h~
++++ src/vm/page.h
 @@ -0,0 +1,50 @@
 +#ifndef VM_PAGE_H
 +#define VM_PAGE_H
@@ -1973,8 +1973,8 @@ diff -u src/vm/page.h~ src/vm/page.h
 +#endif /* vm/page.h */
 Index: src/vm/swap.c
 diff -u src/vm/swap.c~ src/vm/swap.c
---- src/vm/swap.c~ 1969-12-31 16:00:00.000000000 -0800
-+++ src/vm/swap.c 2006-05-16 13:44:56.000000000 -0700
+--- src/vm/swap.c~
++++ src/vm/swap.c
 @@ -0,0 +1,85 @@
 +#include "vm/swap.h"
 +#include <bitmap.h>
@@ -2063,8 +2063,8 @@ diff -u src/vm/swap.c~ src/vm/swap.c
 +}
 Index: src/vm/swap.h
 diff -u src/vm/swap.h~ src/vm/swap.h
---- src/vm/swap.h~ 1969-12-31 16:00:00.000000000 -0800
-+++ src/vm/swap.h 2006-05-16 13:44:56.000000000 -0700
+--- src/vm/swap.h~
++++ src/vm/swap.h
 @@ -0,0 +1,11 @@
 +#ifndef VM_SWAP_H
 +#define VM_SWAP_H 1