From 7eab0f78eccceb55e7d7e3a333c7f946cae68075 Mon Sep 17 00:00:00 2001
From: Eric Norum <WENorum@lbl.gov>
Date: Tue, 1 Feb 2005 17:16:41 +0000
Subject: Add some bootrom system calls.

---
 c/src/lib/libbsp/m68k/uC5282/ChangeLog          |  5 ++++
 c/src/lib/libbsp/m68k/uC5282/include/bsp.h      |  3 +++
 c/src/lib/libbsp/m68k/uC5282/network/network.c  | 18 +-------------
 c/src/lib/libbsp/m68k/uC5282/startup/bspstart.c | 31 +++++++++++++++++++++++++
 4 files changed, 40 insertions(+), 17 deletions(-)

(limited to 'c/src/lib/libbsp/m68k')

diff --git a/c/src/lib/libbsp/m68k/uC5282/ChangeLog b/c/src/lib/libbsp/m68k/uC5282/ChangeLog
index 2ff8a3e56b..b880bc1a1b 100644
--- a/c/src/lib/libbsp/m68k/uC5282/ChangeLog
+++ b/c/src/lib/libbsp/m68k/uC5282/ChangeLog
@@ -1,3 +1,8 @@
+2005-02-01  Eric Norum <norume@aps.anl.gov>
+
+	* include/bsp.h, network/network.c, startup/bspstart.c: Add some
+	  bootprom system calls.
+
 2005-02-01  Eric Norum <norume@aps.anl.gov>
 
 	* start/start.S, network/network.c: Place FEC buffer descriptors in SRAM.
diff --git a/c/src/lib/libbsp/m68k/uC5282/include/bsp.h b/c/src/lib/libbsp/m68k/uC5282/include/bsp.h
index adebee3fc8..9d6f8221f0 100644
--- a/c/src/lib/libbsp/m68k/uC5282/include/bsp.h
+++ b/c/src/lib/libbsp/m68k/uC5282/include/bsp.h
@@ -68,6 +68,9 @@ extern rtems_configuration_table BSP_Configuration;
 /* functions */
 
 unsigned32 get_CPU_clock_speed(void);
+unsigned const char *uC5282_gethwaddr(int a);
+char *uC5282_getbenv(const char *a);
+
 void bsp_cleanup(void);
 
 m68k_isr_entry set_vector(
diff --git a/c/src/lib/libbsp/m68k/uC5282/network/network.c b/c/src/lib/libbsp/m68k/uC5282/network/network.c
index e25f08ca53..7aa700c75e 100644
--- a/c/src/lib/libbsp/m68k/uC5282/network/network.c
+++ b/c/src/lib/libbsp/m68k/uC5282/network/network.c
@@ -139,22 +139,6 @@ mcf5282_bd_allocate(unsigned int count)
     return p;
 }
 
-/*
- * Retrieve MAC address from bootloader environment variable area.
- * Parameter is interface number (0 or 1).
- */
-static unsigned char *
-gethwaddr(int a)
-{
-   register long __res __asm__ ("%d2") = 12;
-   register long __a __asm__ ("%d1") = (long)a;
-   __asm__ __volatile__ ("trap #2" \
-                         : "=g" (__res) \
-                         : "0" (__res), "d" (__a) \
-                         : "%d0");
-   return (unsigned char *)(__res);
-}
-
 static void
 mcf5282_fec_initialize_hardware(struct mcf5282_enet_struct *sc)
 {
@@ -794,7 +778,7 @@ rtems_fec_driver_attach(struct rtems_bsdnet_ifconfig *config, int attaching )
     if (config->hardware_address)
         hwaddr = config->hardware_address;
     else
-        hwaddr = gethwaddr(unitNumber - 1);
+        hwaddr = uC5282_gethwaddr(unitNumber - 1);
     printf("%s%d: Ethernet address: %02x:%02x:%02x:%02x:%02x:%02x\n",
                                             unitName, unitNumber,
                                             hwaddr[0], hwaddr[1], hwaddr[2],
diff --git a/c/src/lib/libbsp/m68k/uC5282/startup/bspstart.c b/c/src/lib/libbsp/m68k/uC5282/startup/bspstart.c
index c179b61497..ae47ae3d9c 100644
--- a/c/src/lib/libbsp/m68k/uC5282/startup/bspstart.c
+++ b/c/src/lib/libbsp/m68k/uC5282/startup/bspstart.c
@@ -26,6 +26,7 @@
 #include <rtems/libio.h>
 #include <rtems/libcsupport.h>
 #include <string.h>
+#include <errno.h>
  
 /*
  *  The original table from the application and our copy of it with
@@ -250,3 +251,33 @@ unsigned32 get_CPU_clock_speed(void)
     extern char _CPUClockSpeed[];
     return( (unsigned32)_CPUClockSpeed);
 }
+
+/*
+ * Arcturus routines for getting value from bootloader
+ */
+#define __bsc_return(type, res) \
+do { \
+   if ((unsigned long)(res) >= (unsigned long)(-64)) { \
+      errno = -(res); \
+      res = -1; \
+   } \
+   return (type)(res); \
+} while (0)
+#define _bsc1(type,name,atype,a) \
+type uC5282_##name(atype a) \
+{ \
+   long __res; \
+   register long __a __asm__ ("%d1") = (long)a; \
+   __asm__ __volatile__ ("move.l %0,%%d0\n\t"   \
+                         "trap #2\n\t"          \
+                         "move.l %%d0,%0"       \
+                         : "=d" (__res)         \
+                         : "0" (__BN_##name), "d" (__a) \
+                         : "d0" ); \
+   __bsc_return(type,__res); \
+}
+#define __BN_gethwaddr    12 /* get the hardware address of my interfaces */
+#define __BN_getbenv      14 /* get a bootloader envvar */
+#define __BN_setbenv      15 /* get a bootloader envvar */
+_bsc1(unsigned const char *, gethwaddr, int, a)
+_bsc1(char *, getbenv, const char *, a)
-- 
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