Revise documentation of debugging tools.

[pintos-anon] / doc / threads.texi

diff --git a/doc/threads.texi b/doc/threads.texi
index b84a8f6e7ebffc397d55681e6169f4d800e7ef7f..432cb2668224dab21a7be7164d476324cf2ad63d 100644 (file)
--- a/doc/threads.texi
+++ b/doc/threads.texi
@@ -76,11 +76,11 @@ assembly code.  (You don't have to understand it.)  It saves the
 state of the currently running thread and restores the state of the
 thread we're switching to.
 
-Using the @command{gdb} debugger, slowly trace through a context
-switch to see what happens (@pxref{gdb}).  You can set a
+Using the GDB debugger, slowly trace through a context
+switch to see what happens (@pxref{GDB}).  You can set a
 breakpoint on @func{schedule} to start out, and then
-single-step from there.@footnote{@command{gdb} might tell you that
-@func{schedule} doesn't exist, which is arguably a @command{gdb} bug.
+single-step from there.@footnote{GDB might tell you that
+@func{schedule} doesn't exist, which is arguably a GDB bug.
 You can work around this by setting the breakpoint by filename and
 line number, e.g.@: @code{break thread.c:@var{ln}} where @var{ln} is
 the line number of the first declaration in @func{schedule}.}  Be sure
@@ -185,8 +185,8 @@ project 3.  For now, you can ignore it.
 
 @item flags.h
 Macros that define a few bits in the 80@var{x}86 ``flags'' register.
-Probably of no interest.  See @bibref{IA32-v1}, section 3.4.3, for more
-information.
+Probably of no interest.  See @bibref{IA32-v1}, section 3.4.3, ``EFLAGS
+Register,'' for more information.
 @end table
 
 @menu
@@ -511,7 +511,8 @@ must be active, but we must be able to choose the 4.4@acronym{BSD}
 scheduler
 with the @option{-mlfqs} kernel option.  Passing this
 option sets @code{enable_mlfqs}, declared in @file{threads/init.h}, to
-true.
+true when the options are parsed by @func{parse_options}, which happens
+midway through @func{main}.
 
 When the 4.4@acronym{BSD} scheduler is enabled, threads no longer
 directly control their own priorities.  The @var{priority} argument to
@@ -546,6 +547,8 @@ modified by the reference solution.
  5 files changed, 440 insertions(+), 29 deletions(-)
 @end verbatim
 
+@file{fixed-point.h} is a new file added by the reference solution.
+
 @item How do I update the @file{Makefile}s when I add a new source file?
 
 @anchor{Adding Source Files}