- Commiting freeldr OFW stub source code. In order to compile them, you need to have a cygwin install (or be under *nix system which is able to produce a real elf result). Source code is not cleaned up, but I decided to commit right away so they don't get lost.

svn path=/branches/olpc/; revision=28471

Author: bragin

boot/freeldr/freeldr/arch/i386/ofwstub/source/1275.h

@@ -0,0 +1,49 @@
+// See license at end of file
+
+#include "types.h"
+
+typedef long phandle;
+typedef long ihandle;
+
+typedef struct {
+	long hi, lo;
+	long size;
+} reg;
+
+#ifdef	putchar
+# undef	putchar
+#endif
+#ifdef	puts
+# undef	puts
+#endif
+
+typedef enum {
+	NOALLOC,
+	ALLOC
+} allocflag;
+
+#define	new(t)	(t *)zalloc(sizeof(t));
+
+// LICENSE_BEGIN
+// Copyright (c) 2006 FirmWorks
+// 
+// Permission is hereby granted, free of charge, to any person obtaining
+// a copy of this software and associated documentation files (the
+// "Software"), to deal in the Software without restriction, including
+// without limitation the rights to use, copy, modify, merge, publish,
+// distribute, sublicense, and/or sell copies of the Software, and to
+// permit persons to whom the Software is furnished to do so, subject to
+// the following conditions:
+// 
+// The above copyright notice and this permission notice shall be
+// included in all copies or substantial portions of the Software.
+// 
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+//
+// LICENSE_END

boot/freeldr/freeldr/arch/i386/ofwstub/source/callofw.c

@@ -0,0 +1,93 @@
+/*
+ * callofw.c - Open Firmware client interface for 32-bit systems.
+ * This code is intended to be portable to any 32-bit Open Firmware
+ * implementation with a standard client interface that can be
+ * called when Linux is running.
+ */
+
+#include <stdarg.h>
+#include <asm/callofw.h>
+#include <linux/types.h>
+#include <linux/spinlock.h>
+
+u32 (*call_firmware)(u32 *);
+
+static DEFINE_SPINLOCK(prom_lock);
+
+#define MAXARGS 20
+int callofw(char *name, int numargs, int numres, ...)
+{
+	va_list ap;
+	u32 argarray[MAXARGS+3];
+	int argnum = 3;
+	int retval;
+	int *intp;
+	unsigned long flags;
+
+	if (call_firmware == NULL)
+		return -1;
+
+	argarray[0] = (u32)name;
+	argarray[1] = numargs;
+	argarray[2] = numres;
+
+	if ((numargs + numres) > MAXARGS)
+		return -1;
+
+	va_start(ap, numres);
+	while (numargs--)
+		argarray[argnum++] = va_arg(ap, int);
+
+	spin_lock_irqsave(&prom_lock, flags);
+	retval = call_firmware(argarray);
+	spin_unlock_irqrestore(&prom_lock, flags);
+
+	if (retval == 0) {
+		while (numres--) {
+			intp = va_arg(ap, int *);
+			*intp = argarray[argnum++];
+		}
+	}
+	va_end(ap);
+	return retval;
+}
+
+/*
+The return value from callofw in all cases is 0 if the attempt to call the
+function succeeded, nonzero otherwise.  That return value is from the
+gateway function only.  Any results from the called function are returned
+via output argument pointers.
+
+Here are call templates for all the standard OFW client services.
+
+callofw("test", 1, 1, namestr, &missing);
+callofw("peer", 1, 1, phandle, &sibling_phandle);
+callofw("child", 1, 1, phandle, &child_phandle);
+callofw("parent", 1, 1, phandle, &parent_phandle);
+callofw("instance-to-package", 1, 1, ihandle, &phandle);
+callofw("getproplen", 2, 1, phandle, namestr, &proplen);
+callofw("getprop", 4, 1, phandle, namestr, bufaddr, buflen, &size);
+callofw("nextprop", 3, 1, phandle, previousstr, bufaddr, &flag);
+callofw("setprop", 4, 1, phandle, namestr, bufaddr, len, &size);
+callofw("canon", 3, 1, devspecstr, bufaddr, buflen, &length);
+callofw("finddevice", 1, 1, devspecstr, &phandle);
+callofw("instance-to-path", 3, 1, ihandle, bufaddr, buflen, &length);
+callofw("instance-to-interposed-path", 3, 1, ihandle, bufaddr, buflen, &length);
+callofw("package-to-path", 3, 1, phandle, bufaddr, buflen, &length);
+callofw("call-method", numin, numout, in0, in1, ..., &out0, &out1, ...);
+callofw("open", 1, 1, devspecstr, &ihandle);
+callofw("close", 1, 0, ihandle);
+callofw("read", 3, 1, ihandle, addr, len, &actual);
+callofw("write", 3, 1, ihandle, addr, len, &actual);
+callofw("seek", 3, 1, ihandle, pos_hi, pos_lo, &status);
+callofw("claim", 3, 1, virtaddr, size, align, &baseaddr);
+callofw("release", 2, 0, virtaddr, size);
+callofw("boot", 1, 0, bootspecstr);
+callofw("enter", 0, 0);
+callofw("exit", 0, 0);
+callofw("chain", 5, 0, virtaddr, size, entryaddr, argsaddr, len);
+callofw("interpret", numin+1, numout+1, cmdstr, in0, ..., &catchres, &out0, ...);
+callofw("set-callback", 1, 1, newfuncaddr, &oldfuncaddr);
+callofw("set-symbol-lookup", 2, 0, symtovaladdr, valtosymaddr);
+callofw("milliseconds", 0, 1, &ms);
+*/

boot/freeldr/freeldr/arch/i386/ofwstub/source/debug.c

@@ -0,0 +1,51 @@
+// See license at end of file
+
+/* For gcc, compile with -fno-builtin to suppress warnings */
+
+#include "1275.h"
+
+#include <stdarg.h>
+
+int level = 0;
+
+int Debug = 0;
+
+VOID
+debug(int debug_level, char *fmt, ...)
+{
+	va_list args;
+	int i;
+
+	if (!(debug_level & Debug))
+		return;
+
+	va_start(args, fmt);
+	for (i = 0; i < level; ++i)
+		putchar('\t');
+	printf(fmt, args);
+	va_end(args);
+}
+
+// LICENSE_BEGIN
+// Copyright (c) 2006 FirmWorks
+// 
+// Permission is hereby granted, free of charge, to any person obtaining
+// a copy of this software and associated documentation files (the
+// "Software"), to deal in the Software without restriction, including
+// without limitation the rights to use, copy, modify, merge, publish,
+// distribute, sublicense, and/or sell copies of the Software, and to
+// permit persons to whom the Software is furnished to do so, subject to
+// the following conditions:
+// 
+// The above copyright notice and this permission notice shall be
+// included in all copies or substantial portions of the Software.
+// 
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+//
+// LICENSE_END

boot/freeldr/freeldr/arch/i386/ofwstub/source/intprop.c

@@ -0,0 +1,68 @@
+// See license at end of file
+
+/* For gcc, compile with -fno-builtin to suppress warnings */
+
+#include "1275.h"
+
+int
+decode_int(UCHAR *p)
+{
+	ULONG   i = *p++  << 8;
+	i =    (i + *p++) << 8;
+	i =    (i + *p++) << 8;
+	return (i + *p);
+}
+
+int
+get_int_prop(phandle node, char *key)
+{
+	int res;
+	char buf[sizeof(int)];
+
+	res = OFGetprop(node, key, buf, sizeof(int));
+	if (res != sizeof(int)) {
+#ifdef notdef
+		fatal("get_int_prop(node %x, key '%s') returned %x\n",
+		    node, key, res);
+#endif
+		return(-1);
+	}
+	return(decode_int((UCHAR *) buf));
+}
+
+int
+get_int_prop_def(phandle node, char *key, int defval)
+{
+	int res;
+	char buf[sizeof(int)];
+
+	res = OFGetprop(node, key, buf, sizeof(int));
+	if (res != sizeof(int)) {
+		return(defval);
+	}
+	return(decode_int((UCHAR *) buf));
+}
+
+// LICENSE_BEGIN
+// Copyright (c) 2006 FirmWorks
+// 
+// Permission is hereby granted, free of charge, to any person obtaining
+// a copy of this software and associated documentation files (the
+// "Software"), to deal in the Software without restriction, including
+// without limitation the rights to use, copy, modify, merge, publish,
+// distribute, sublicense, and/or sell copies of the Software, and to
+// permit persons to whom the Software is furnished to do so, subject to
+// the following conditions:
+// 
+// The above copyright notice and this permission notice shall be
+// included in all copies or substantial portions of the Software.
+// 
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+//
+// LICENSE_END