Add PC speaker driver and connect it to '\a' in the VGA console.

[pintos-anon] / doc / reference.texi

diff --git a/doc/reference.texi b/doc/reference.texi
index 924fd7815bdcc8fa4fe9bcf25e2fa36f5e2fa511..d4426106687d068480ec37874fb4255293478197 100644 (file)
--- a/doc/reference.texi
+++ b/doc/reference.texi
@@ -133,7 +133,7 @@ initializer, that variable goes into the BSS.  Because it's all zeros, the
 BSS isn't stored in the image that the loader brought into memory.  We
 just use @func{memset} to zero it out.  The other task of
 @func{ram_init} is to read out the machine's memory size from where
-the loader stored it and put it into the @code{ram_pages} variable for
+the loader stored it and put it into the @code{init_ram_pages} variable for
 later use.
 
 Next, @func{main} calls @func{read_command_line} to break the kernel command
@@ -501,7 +501,7 @@ CPU's current stack pointer in the current @struct{thread}'s @code{stack}
 member, restores the new thread's @code{stack} into the CPU's stack
 pointer, restores registers from the stack, and returns.
 
-The rest of the scheduler is implemented in @func{schedule_tail}.  It
+The rest of the scheduler is implemented in @func{thread_schedule_tail}.  It
 marks the new thread as running.  If the thread we just switched from
 is in the dying state, then it also frees the page that contained the
 dying thread's @struct{thread} and stack.  These couldn't be freed
@@ -530,8 +530,8 @@ pointer,@footnote{This is because @func{switch_threads} takes
 arguments on the stack and the 80@var{x}86 SVR4 calling convention
 requires the caller, not the called function, to remove them when the
 call is complete.  See @bibref{SysV-i386} chapter 3 for details.}
-calls @func{schedule_tail} (this special case is why
-@func{schedule_tail} is separate from @func{schedule}), and returns.
+calls @func{thread_schedule_tail} (this special case is why
+@func{thread_schedule_tail} is separate from @func{schedule}), and returns.
 We fill in its stack frame so that it returns into
 @func{kernel_thread}, a function in @file{threads/thread.c}.