From 5608e326b2b4b7792b4984fc9a24303c1bd3153d Mon Sep 17 00:00:00 2001
From: cognet <cognet@FreeBSD.org>
Date: Wed, 19 Jan 2005 00:37:03 +0000
Subject: MFpowerpc: Work around the problem of returning a 32 bits value from
 __syscall() on a 32 bits big-endian arch.

Spotted out by:	grehan
---
 sys/arm/arm/trap.c | 15 ++++++++++++++-
 1 file changed, 14 insertions(+), 1 deletion(-)

(limited to 'sys/arm')

diff --git a/sys/arm/arm/trap.c b/sys/arm/arm/trap.c
index 46595f1..2b2a7687 100644
--- a/sys/arm/arm/trap.c
+++ b/sys/arm/arm/trap.c
@@ -927,9 +927,22 @@ syscall(struct thread *td, trapframe_t *frame, u_int32_t insn)
 	}
 	switch (error) {
 	case 0: 
+#ifdef __ARMEB__
+		if ((frame->fixreg[0] == SYS___syscall) &&
+		    (code != SYS_lseek)) {
+			/*
+			 * 64-bit return, 32-bit syscall. Fixup byte order
+			 */
+			tf->tf_r0 = 0;
+			tf->rf_r1 = td->td_retval[0];
+		} else {
+                        tf->tf_r0 = td->td_retval[0];
+                        tf->tf_r1 = td->td_retval[1];
+		}
+#else
       		frame->tf_r0 = td->td_retval[0];
 		frame->tf_r1 = td->td_retval[1];
-		
+#endif		
 		frame->tf_spsr &= ~PSR_C_bit;   /* carry bit */
 		break;
 		
-- 
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