From 7ef5cc75cfd3cf93f7edaf2b1b02e557ae16bf7f Mon Sep 17 00:00:00 2001
From: Florian Lohoff <flo@rfc822.org>
Date: Sat, 4 Oct 2008 13:30:01 +0000
Subject: Remove arc references from common libc and add an prom abstraction

---
 arclib/Makefile   |  4 ++--
 arclib/prom.c     | 13 +++++++++++++
 common/Makefile   |  4 ++--
 common/prom.h     |  4 ++++
 common/stdio.c    | 30 +++++++++++++++---------------
 common/stdio.h    |  3 +++
 ext2load/Makefile |  2 +-
 7 files changed, 40 insertions(+), 20 deletions(-)
 create mode 100644 arclib/prom.c
 create mode 100644 common/prom.h

diff --git a/arclib/Makefile b/arclib/Makefile
index c519786..af16014 100644
--- a/arclib/Makefile
+++ b/arclib/Makefile
@@ -1,10 +1,10 @@
 #
 # Copyright 1999 Silicon Graphics, Inc.
 #
-CFLAGS += -O2 -Werror -Wall -mno-abicalls -G 0 -fno-pic
+CFLAGS += -O2 -Werror -I../common -Wall -mno-abicalls -G 0 -fno-pic
 
 TARGETS = libarc.a
-OBJECTS = arc.o
+OBJECTS = arc.o prom.o
 
 all: $(TARGETS)
 
diff --git a/arclib/prom.c b/arclib/prom.c
new file mode 100644
index 0000000..7048e11
--- /dev/null
+++ b/arclib/prom.c
@@ -0,0 +1,13 @@
+
+#include <stdio.h>
+#include "arc.h"
+#include "prom.h"
+
+int prom_write(FILE stream, char *string, unsigned long len, unsigned long *rlen) {
+	return ArcWrite(stream, string, len, rlen);
+}
+
+int prom_read(FILE stream, char *string, unsigned long len, unsigned long *rlen) {
+	return ArcRead(stream, string, len, rlen);
+}
+
diff --git a/common/Makefile b/common/Makefile
index 8a1b06a..3f780f6 100644
--- a/common/Makefile
+++ b/common/Makefile
@@ -1,6 +1,6 @@
 SUBARCH ?= IP22
 
-CFLAGS += -Wall -O2 -I../arclib -mno-abicalls -G 0 -fno-pic -fno-builtin -I. -DSUBARCH=${SUBARCH}
+CFLAGS += -Wall -O2 -mno-abicalls -G 0 -fno-pic -fno-builtin -I. -DSUBARCH=${SUBARCH}
 
 HOSTCC = $(CC)
 HOSTCFLAGS += -Wall -O2 -DSUBARCH=$(SUBARCH)
@@ -15,4 +15,4 @@ libc.a: $(OBJECTS)
 	$(AR) -crs $@ $(OBJECTS)
 
 clean:
-	rm -f  $(OBJECTS) *~ tags
+	rm -f  $(OBJECTS) $(TARGETS) *~ tags
diff --git a/common/prom.h b/common/prom.h
new file mode 100644
index 0000000..31852e9
--- /dev/null
+++ b/common/prom.h
@@ -0,0 +1,4 @@
+
+int prom_write(FILE stream, char *buf, unsigned long len, unsigned long *rlen);
+int prom_read(FILE stream, char *buf, unsigned long len, unsigned long *rlen);
+
diff --git a/common/stdio.c b/common/stdio.c
index 2d94385..73acbb3 100644
--- a/common/stdio.c
+++ b/common/stdio.c
@@ -4,14 +4,14 @@
 #include "string.h"
 #include "stdio.h"
 
-#include <arc.h>
+#include <prom.h>
 #include <stdarg.h>
 
-static FILE arc_stdin = ARC_STDIN;
-FILE *stdin = &arc_stdin;
+static FILE stdin_file = STDIN_FILENO;
+FILE *stdin = &stdin_file;
 
-static FILE arc_stdout = ARC_STDOUT;
-FILE *stdout = &arc_stdout;
+static FILE stdout_file = STDOUT_FILENO;
+FILE *stdout = &stdout_file;
 
 
 int fputs(const char *s, FILE * stream)
@@ -20,8 +20,8 @@ int fputs(const char *s, FILE * stream)
 	unsigned long count;
 
 	if (strlen(s) > 0) {
-		status = ArcWrite(*stream, (char *) s, strlen(s), &count);
-		if ((status != ESUCCESS) || (count != strlen(s)))
+		status = prom_write(*stream, (char *) s, strlen(s), &count);
+		if ((status != 0) || (count != strlen(s)))
 			return EOF;
 	}
 	return 0;
@@ -44,8 +44,8 @@ int fgetc(FILE * stream)
 	char ch;
 	unsigned long count;
 
-	status = ArcRead(*stream, &ch, sizeof(CHAR), &count);
-	if ((status != ESUCCESS) || (count != sizeof(CHAR)))
+	status = prom_read(*stream, &ch, sizeof(char), &count);
+	if ((status != 0) || (count != sizeof(char)))
 		return EOF;
 	return (int) ch;
 }
@@ -86,15 +86,15 @@ int vfprintf(FILE * stream, const char *format, va_list ap)
 				break;
 			} else {
 				if (format < str) {
-					LONG status;
-					ULONG count;
-					ULONG len = str - format;
+					long status;
+					unsigned long count;
+					unsigned long len = str - format;
 
 					status =
-					    ArcWrite(*stream,
+					    prom_write(*stream,
 						     (char *) format, len,
 						     &count);
-					if ((status != ESUCCESS)
+					if ((status != 0)
 					    || (count != len))
 						return EOF;
 					count += len;
@@ -207,7 +207,7 @@ int vsprintf(char* string, const char *format, va_list ap)
 				break;
 			} else {
 				if (format < str) {
-					ULONG len = str - format;
+					unsigned long len = str - format;
 
 					strncpy(&string[count], 
 						(char *) format, len);
diff --git a/common/stdio.h b/common/stdio.h
index 9ee52d3..d15603e 100644
--- a/common/stdio.h
+++ b/common/stdio.h
@@ -8,6 +8,9 @@
 
 typedef unsigned long FILE;
 
+#define STDIN_FILENO	0
+#define STDOUT_FILENO	1
+
 #define EOF	(-1)
 
 extern FILE *stdin;
diff --git a/ext2load/Makefile b/ext2load/Makefile
index 3a06f08..f10d678 100644
--- a/ext2load/Makefile
+++ b/ext2load/Makefile
@@ -18,7 +18,7 @@ ARCLIB = $(ARCLIBDIR)/libarc.a
 LIBC = ../common/libc.a
 
 OBJECTS = loader.o ext2io.o conffile.o
-LIBS = $(EXT2LIB) $(ARCLIB) $(LIBC)
+LIBS = $(EXT2LIB) $(LIBC) $(ARCLIB)
 TARGETS = ext2load 
 
 CFLAGS = -O2 -I$(COMMONDIR) -I$(ARCINCLUDEDIR) -I$(E2FSINCLUDEDIR) 	\
-- 
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