Re: [PATCH 1/6] PPC: Add asm helpers for BE 32bit load/store

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 




On 17.06.14 02:51, Paul Mackerras wrote:
On Wed, Jun 11, 2014 at 12:33:46PM +0200, Alexander Graf wrote:
>From assembly code we might not only have to explicitly BE access 64bit values,
but sometimes also 32bit ones. Add helpers that allow for easy use of lwzx/stwx
in their respective byte-reverse or native form.

Signed-off-by: Alexander Graf <agraf@xxxxxxx>
CC: Benjamin Herrenschmidt <benh@xxxxxxxxxxxxxxxxxxx>
---
  arch/powerpc/include/asm/asm-compat.h | 4 ++++
  1 file changed, 4 insertions(+)

diff --git a/arch/powerpc/include/asm/asm-compat.h b/arch/powerpc/include/asm/asm-compat.h
index 4b237aa..21164ff 100644
--- a/arch/powerpc/include/asm/asm-compat.h
+++ b/arch/powerpc/include/asm/asm-compat.h
@@ -34,10 +34,14 @@
  #define PPC_MIN_STKFRM	112
#ifdef __BIG_ENDIAN__
+#define LWZX_BE	stringify_in_c(lwzx)
  #define LDX_BE	stringify_in_c(ldx)
+#define STDX_BE	stringify_in_c(stwx)
This should be STWX_BE, shouldn't it?

And there I thought I would get away without anyone noticing it :). Yes, of course.


Alex

--
To unsubscribe from this list: send the line "unsubscribe kvm" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html




[Index of Archives]     [KVM ARM]     [KVM ia64]     [KVM ppc]     [Virtualization Tools]     [Spice Development]     [Libvirt]     [Libvirt Users]     [Linux USB Devel]     [Linux Audio Users]     [Yosemite Questions]     [Linux Kernel]     [Linux SCSI]     [XFree86]
  Powered by Linux