PC386 BSP enhancements from Aleksey Romanov (Quality Quorum

<qqi@world.std.com>).   Unfortunately after merging these,
the pc386 will not boot using grub for for.  It still does not
work using netboot for me.  Here is his summary of changes:


  rtems/c/src/lib/libbsp/i386/pc386/Makefile.in
  	Added support for new sub-directory

  rtems/c/src/lib/libbsp/i386/pc386/bsp_specs
  	Made possible to build COFF image

  rtems/c/src/lib/libbsp/i386/pc386/console/console.c
  	Added support for serial consoles, selectable by patching
  	binary image, added __assert(), use _IBMPC_inch_sleep()
  	instaed of _IMBPC_inch()

  rtems/c/src/lib/libbsp/i386/pc386/console/inch.c
  	Added _IMBPC_inch_sleep()

  rtems/c/src/lib/libbsp/i386/pc386/console/outch.c
  	Oops - just formatting

  rtems/c/src/lib/libbsp/i386/pc386/include/Makefile.in
  	Added support for new files

  rtems/c/src/lib/libbsp/i386/pc386/include/bsp.h
  	Added support for new features

  rtems/c/src/lib/libbsp/i386/pc386/include/pc386uart.h
  	New file: definitions for serial ports

  rtems/c/src/lib/libbsp/i386/pc386/include/pcibios.h
  	New file: definitions for PCI BIOS

  rtems/c/src/lib/libbsp/i386/pc386/pc386dev/Makefile.in
  	New file: makefile in new directory

  rtems/c/src/lib/libbsp/i386/pc386/pc386dev/i386-stub-glue.c
  	New file: i386-stub interface

  rtems/c/src/lib/libbsp/i386/pc386/pc386dev/i386-stub.c
  	New file: i386-stub itself

  rtems/c/src/lib/libbsp/i386/pc386/pc386dev/pc386uart.c
  	New file: serial ports

  rtems/c/src/lib/libbsp/i386/pc386/pc386dev/pcibios.c
  	New file: PCI BIOS support

  rtems/c/src/lib/libbsp/i386/pc386/start/start.s
  	Commented out DEBUG_EARLY stuff, everything is working fine

  rtems/c/src/lib/libbsp/i386/pc386/start/start16.s
  	Cleaned up

  rtems/c/src/lib/libbsp/i386/pc386/startup/bspstart.c
  	Added call to console_resereve_resources

  rtems/c/src/lib/libbsp/i386/pc386/startup/exit.c
  	Added support for serial console

  rtems/c/src/lib/libbsp/i386/pc386/startup/ldsegs.s
  	Fixed typo in comments

  rtems/c/src/lib/libbsp/i386/pc386/tools/Makefile.in
  	Changed to reflect cnages in code

  rtems/c/src/lib/libbsp/i386/pc386/tools/bin2boot.c
  	Trivialized, problem - I do not know how to make patch
  	remove obsolete files - there are a lot of them there

  rtems/c/src/lib/libbsp/i386/pc386/tools/binpatch.c
  	New file: utility to do binary patches

  rtems/c/src/lib/libbsp/i386/pc386/wrapup/Makefile.in
  	Added support for new directory

  rtems/make/custom/pc386.cfg
  	Add COFF image building

3 files changed, 48 insertions, 7 deletions

diff --git a/c/src/lib/libbsp/i386/pc386/startup/bspstart.c b/c/src/lib/libbsp/i386/pc386/startup/bspstart.c
index d952457485..607e816d6d 100644
--- a/c/src/lib/libbsp/i386/pc386/startup/bspstart.c
+++ b/c/src/lib/libbsp/i386/pc386/startup/bspstart.c
@@ -126,6 +126,8 @@ void bsp_start( void )
   BSP_Configuration.work_space_start = (void *)rtemsFreeMemStart;
   rtemsFreeMemStart += BSP_Configuration.work_space_size;
 
+  console_reserve_resources(&BSP_Configuration);
+
   /*
    *  The following information is very useful when debugging.
    */
diff --git a/c/src/lib/libbsp/i386/pc386/startup/exit.c b/c/src/lib/libbsp/i386/pc386/startup/exit.c
index 85b5282c36..328a0afa76 100644
--- a/c/src/lib/libbsp/i386/pc386/startup/exit.c
+++ b/c/src/lib/libbsp/i386/pc386/startup/exit.c
@@ -33,8 +33,14 @@
 
 
 #include <stdio.h>
-
 #include <bsp.h>
+#include <pc386uart.h>
+
+/*-------------------------------------------------------------------------+
+ | Which console is in use: either (-1) which means normal console or 
+ | uart id if uart was used
+ +-------------------------------------------------------------------------*/
+extern int PC386ConsolePort;
 
 /*-------------------------------------------------------------------------+
 | External Prototypes
@@ -50,11 +56,44 @@ extern rtems_boolean _IBMPC_scankey(char *);  /* defined in 'inch.c' */
 +--------------------------------------------------------------------------*/
 void _exit(int status)
 {
-  unsigned char ch;
-  puts("\nEXECUTIVE SHUTDOWN! Any key to reboot...");
+  unsigned char ch, *cp;
+  static   char line[]="EXECUTIVE SHUTDOWN! Any key to reboot...";
+
+  if(PC386ConsolePort == PC386_CONSOLE_PORT_CONSOLE)
+    {
 
-  while(!_IBMPC_scankey(&ch))
-    ;
+      printk("\n");
+      printk(line);
+      while(!_IBMPC_scankey(&ch))
+	;
+      printk("\n\n");
+    }
+  else
+    {
+      PC386_uart_intr_ctrl(PC386ConsolePort, PC386_UART_INTR_CTRL_DISABLE);
+      
+      PC386_uart_polled_write(PC386ConsolePort, '\r');
+      PC386_uart_polled_write(PC386ConsolePort, '\n');
+      
+      for(cp=line; *cp != 0; cp++)
+	{
+	  PC386_uart_polled_write(PC386ConsolePort, *cp);
+	}
+
+      PC386_uart_polled_read(PC386ConsolePort);
+
+      PC386_uart_polled_write(PC386ConsolePort, '\r');
+      PC386_uart_polled_write(PC386ConsolePort, '\n');
+      PC386_uart_polled_write(PC386ConsolePort, '\r');
+      PC386_uart_polled_write(PC386ConsolePort, '\n');
+    }
 
   rtemsReboot();
 } /* _exit */
+
+
+
+
+
+
+
diff --git a/c/src/lib/libbsp/i386/pc386/startup/ldsegs.s b/c/src/lib/libbsp/i386/pc386/startup/ldsegs.s
index a8eb935322..f2171575ce 100644
--- a/c/src/lib/libbsp/i386/pc386/startup/ldsegs.s
+++ b/c/src/lib/libbsp/i386/pc386/startup/ldsegs.s
@@ -66,10 +66,10 @@ SYM(delay):
 |         Function: _load_segments
 |      Description: Current environment is standard PC booted by grub.
 |                   So, there is no value in saving current GDT and IDT
-|                   Settings we have to set it up ourseves. (Naturally
+|                   settings we have to set it up ourseves. (Naturally
 |	            it will be not so in case we are booted by some
 |                   boot monitor, however, then it will be different
-|                   BSP), After that we have to load board segment registers
+|                   BSP). After that we have to load board segment registers
 |                   with apropriate values +  reprogram PIC.
 | Global Variables: None.
 |        Arguments: None.