Changeset 7eab0f78 in rtems for c/src/lib/libbsp/m68k/uC5282/startup

Timestamp:

Feb 1, 2005, 5:16:41 PM (16 years ago)

Author:

Eric Norum <WENorum@…>

Branches:

4.10, 4.11, 4.8, 4.9, 5, master

Children:

c60eccb

Parents:

891aa12e

Message:

Add some bootrom system calls.

File:

• c/src/lib/libbsp/m68k/uC5282/startup/bspstart.c (modified) (2 diffs)

c/src/lib/libbsp/m68k/uC5282/startup/bspstart.c

@@ -27 +27 @@
 #include <rtems/libcsupport.h>
 #include <string.h>
+#include <errno.h>
  
 /*
@@ -251 +252 @@
     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)