2009-08-19 Joel Sherrill <joel.sherrill@OARcorp.com>

* Makefile.am, console/console.c, console/debugputs.c, include/bsp.h,
	startup/setvec.c: Split idle method into its own file. Properly note
	to confdefs.h that this BSP has its own idle thread. Also address use
	of maximum termios constant in debug IO.
	* startup/bspidle.S: New file.

c/src/lib/libbsp/sparc/leon3/ChangeLog

@@ -1,3 +1,11 @@
+2009-08-19	Joel Sherrill <joel.sherrill@OARcorp.com>
+
+	* Makefile.am, console/console.c, console/debugputs.c, include/bsp.h,
+	startup/setvec.c: Split idle method into its own file. Properly note
+	to confdefs.h that this BSP has its own idle thread. Also address use
+	of maximum termios constant in debug IO.
+	* startup/bspidle.S: New file.
+
 2009-07-16	Joel Sherrill <joel.sherrill@oarcorp.com>
 
 	* configure.ac: Rename BSP_BOOTCARD_OPTIONS to

c/src/lib/libbsp/sparc/leon3/Makefile.am

@@ -40,11 +40,9 @@ libbsp_a_SOURCES =
 libbsp_a_SOURCES += ../../shared/bspclean.c ../../shared/bsplibc.c \
     ../../shared/bsppost.c ../../shared/bootcard.c startup/bspstart.c \
     ../../sparc/shared/bspgetworkarea.c ../../shared/sbrk.c startup/setvec.c \
-    startup/spurious.c startup/ithread.S
+    startup/spurious.c startup/bspidle.S
-
 # gnatsupp
 libbsp_a_SOURCES += gnatsupp/gnatsupp.c ../../sparc/shared/gnatcommon.c
-
 # amba
 include_HEADERS += include/amba.h
 include_HEADERS += ../../sparc/shared/include/ambapp.h
@@ -55,7 +53,6 @@ libbsp_a_SOURCES += console/console.c
 libbsp_a_SOURCES += console/debugputs.c
 # clock
 libbsp_a_SOURCES += clock/ckinit.c ../../../shared/clockdrv_shell.h
-
 # PCI
 include_HEADERS += ../../sparc/shared/include/pci.h
 libbsp_a_SOURCES += pci/pci.c ../../sparc/shared/pci/pcifinddevice.c

c/src/lib/libbsp/sparc/leon3/console/console.c

@@ -95,11 +95,12 @@ int scan_uarts(void) {
   amba_apb_device apbuarts[LEON3_APBUARTS];
 
   if (isinit == 0) {
-    i = 0; uarts = 0;
+    i = 0;
+    uarts = 0;
     
     uarts = amba_find_apbslvs(
       &amba_conf, VENDOR_GAISLER, GAISLER_APBUART, apbuarts, LEON3_APBUARTS);
-    for(i=0; i<uarts; i++){
+    for(i=0; i<uarts; i++) {
       LEON3_Console_Uart[i] = (volatile LEON3_UART_Regs_Map *)apbuarts[i].start;
     }
     isinit = 1;

c/src/lib/libbsp/sparc/leon3/console/debugputs.c

@@ -22,22 +22,25 @@
 #include <stdlib.h>
 #include <assert.h>
 
+/*
+ * Number of uarts on AMBA bus
+ */
+extern int uarts;
+
 /*
  *  console_outbyte_polled
  *
  *  This routine transmits a character using polling.
  */
-
 void console_outbyte_polled(
   int           port,
   unsigned char ch
 )
 {
-  if ((port >= 0) && (port <= CONFIGURE_NUMBER_OF_TERMIOS_PORTS))
+  if ((port >= 0) && (port < uarts)) {
-  {
+    int u = LEON3_Cpu_Index+port;
-    while ( (LEON3_Console_Uart[LEON3_Cpu_Index+port]->status &
+    while ( (LEON3_Console_Uart[u]->status & LEON_REG_UART_STATUS_THE) == 0 );
-                      LEON_REG_UART_STATUS_THE) == 0 );
+    LEON3_Console_Uart[u]->data = (unsigned int) ch;
-    LEON3_Console_Uart[LEON3_Cpu_Index+port]->data = (unsigned int) ch;
   }
 }
 
@@ -46,32 +49,23 @@ void console_outbyte_polled(
  *
  *  This routine polls for a character.
  */
-
 int console_inbyte_nonblocking( int port )
 {
+  if ((port >= 0) && (port < uarts)) {
+    int u = LEON3_Cpu_Index+port;
+    if (LEON3_Console_Uart[u]->status & LEON_REG_UART_STATUS_ERR)
+      LEON3_Console_Uart[u]->status = ~LEON_REG_UART_STATUS_ERR;
 
-  if ((port >=0) && (port < CONFIGURE_NUMBER_OF_TERMIOS_PORTS)) 
+    if ((LEON3_Console_Uart[u]->status & LEON_REG_UART_STATUS_DR) == 0)
-  {
-
-      if (LEON3_Console_Uart[LEON3_Cpu_Index+port]->status & LEON_REG_UART_STATUS_ERR) {
-        LEON3_Console_Uart[LEON3_Cpu_Index+port]->status = ~LEON_REG_UART_STATUS_ERR;
-      }
-
-      if ((LEON3_Console_Uart[LEON3_Cpu_Index+port]->status & LEON_REG_UART_STATUS_DR) == 0)
       return -1;
-      return (int) LEON3_Console_Uart[LEON3_Cpu_Index+port]->data;
+    return (int) LEON3_Console_Uart[u]->data;
-  }
+  } else {
-
-  else
-  {
     assert( 0 );
   }
-
   return -1;
 }
 
 /* putchar/getchar for printk */
-
 static void bsp_out_char(char c)
 {
   console_outbyte_polled(0, c);
@@ -85,12 +79,12 @@ static void bsp_out_char(char c)
 
 BSP_output_char_function_type BSP_output_char = bsp_out_char;
 
-static char bsp_in_char(void)
+static int bsp_in_char(void)
 {
   int tmp;
 
   while ((tmp = console_inbyte_nonblocking(0)) < 0);
-  return (char) tmp;
+  return tmp;
 }
 
 BSP_polling_getchar_function_type BSP_poll_char = bsp_in_char;

c/src/lib/libbsp/sparc/leon3/include/bsp.h

@@ -37,17 +37,14 @@ extern "C" {
 #define LEON3 1
 
 /*
- *  confdefs.h overrides for this BSP:
+ *  BSP provides its own Idle thread body
- *   - two termios serial ports
- *   - Interrupt stack space is not minimum if defined.
  */
-
+void *bsp_idle_thread( uintptr_t ignored );
-#define CONFIGURE_NUMBER_OF_TERMIOS_PORTS 2
+#define BSP_IDLE_TASK_BODY bsp_idle_thread
 
 /*
  * Network driver configuration
  */
-
 struct rtems_bsdnet_ifconfig;
 extern int rtems_leon_open_eth_driver_attach(
   struct rtems_bsdnet_ifconfig *config,

c/src/lib/libbsp/sparc/leon3/startup/bspidle.S

@@ -0,0 +1,31 @@
+/*
+ *  Idle Thread Body
+ *
+ *  This routine puts LEON3 in power-down mode.
+ *
+ *  COPYRIGHT (c) 2004.
+ *  Gaisler Research.
+ *
+ *  The license and distribution terms for this file may be
+ *  found in the file LICENSE in this distribution or at
+ *  http://www.rtems.com/license/LICENSE.
+ *
+ *
+ *  $Id$
+ */
+
+
+	
+#include <rtems/asm.h>
+	
+/* LEON specific power-down function */
+
+        .align 4
+        PUBLIC(bsp_idle_thread)
+SYM(bsp_idle_thread):
+pwdloop:  mov   %g0, %asr19
+          ba    pwdloop
+          nop
+          retl 
+          nop
+

c/src/lib/libbsp/sparc/leon3/startup/setvec.c

@@ -59,6 +59,3 @@ rtems_isr_entry set_vector(                   /* returns old vector */
 
   return previous_isr;
 }
-
-
-