* [RESEND PATCH] ppc64/kexec/purgatory Fix RTAS calls in Little Endian mode.
@ 2014-01-30 15:32 Laurent Dufour
2014-01-31 5:21 ` Simon Horman
0 siblings, 1 reply; 2+ messages in thread
From: Laurent Dufour @ 2014-01-30 15:32 UTC (permalink / raw)
To: Simon Horman, kexec
RTAS is expecting parameters in Big Endian order so we have to byte swap
them in LE mode.
In the purgatory RTAS calls are only made for debug output.
Signed-off-by: Laurent Dufour <ldufour@linux.vnet.ibm.com>
---
purgatory/arch/ppc64/console-ppc64.c | 6 +++++-
1 file changed, 5 insertions(+), 1 deletion(-)
diff --git a/purgatory/arch/ppc64/console-ppc64.c b/purgatory/arch/ppc64/console-ppc64.c
index 78a233b..b80183c 100644
--- a/purgatory/arch/ppc64/console-ppc64.c
+++ b/purgatory/arch/ppc64/console-ppc64.c
@@ -21,6 +21,9 @@
#include <purgatory.h>
#include "hvCall.h"
+#include <byteswap.h>
+#include <endian.h>
+#include <asm/byteorder.h>
extern int debug;
@@ -36,6 +39,7 @@ void putchar(int c)
putchar('\r');
buff[0] = c;
- plpar_hcall_norets(H_PUT_TERM_CHAR, 0, 1, lbuf[0], lbuf[1]);
+ plpar_hcall_norets(H_PUT_TERM_CHAR, 0, 1,
+ __cpu_to_be64(lbuf[0]), __cpu_to_be64(lbuf[1]));
return;
}
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2014-01-30 15:32 [RESEND PATCH] ppc64/kexec/purgatory Fix RTAS calls in Little Endian mode Laurent Dufour
2014-01-31 5:21 ` Simon Horman
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