From c1f828e56ecff44e0a9a00dd7ffd0fb70102d705 Mon Sep 17 00:00:00 2001
From: Jeff Johnston <jjohnstn@redhat.com>
Date: Mon, 28 Aug 2006 17:17:24 +0000
Subject: 2006-08-27  Joel Sherrill <joel.sherrill@OARcorp.com>

        * libc/sys/rtems/machine/sys/param.h: Conditionalize definition of
        BLKDEV_IOSIZE and MAXPHYS so it will fit into small memory targets.
        This is needed to build all AVR and H8300 RTEMS multilib variants.
---
 newlib/libc/sys/rtems/machine/param.h | 5 +++++
 1 file changed, 5 insertions(+)

(limited to 'newlib/libc/sys/rtems')

diff --git a/newlib/libc/sys/rtems/machine/param.h b/newlib/libc/sys/rtems/machine/param.h
index 4168f1f6c..fd244431d 100644
--- a/newlib/libc/sys/rtems/machine/param.h
+++ b/newlib/libc/sys/rtems/machine/param.h
@@ -34,8 +34,13 @@
 #define DEV_BSHIFT	9		/* log2(DEV_BSIZE) */
 #define DEV_BSIZE	(1<<DEV_BSHIFT)
 
+#if defined(__AVR__) || defined(__h8300__)
+#define BLKDEV_IOSIZE	1024
+#define MAXPHYS		(1 * 1024)	/* max raw I/O transfer size */
+#else
 #define BLKDEV_IOSIZE	2048
 #define MAXPHYS		(64 * 1024)	/* max raw I/O transfer size */
+#endif
 
 #define UPAGES	2		/* pages of u-area */
 
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