[PATCH 12/15] add CLBR_ defines for x86_64.

x86_64 needs a potentially larger clobber list than i386, due to its calling
convention. So we add more CLBR_ defines for it.
Note that CLBR_ANY is different for each of the architectures, since it comprises
the notion of "All call clobbers in this architecture"

Signed-off-by: Glauber de Oliveira Costa <[email protected]>
---
 include/asm-x86/paravirt.h |   23 ++++++++++++++++++-----
 1 files changed, 18 insertions(+), 5 deletions(-)

Index: linux-2.6-x86/include/asm-x86/paravirt.h
===================================================================
--- linux-2.6-x86.orig/include/asm-x86/paravirt.h	2007-12-20 19:08:06.000000000 -0800
+++ linux-2.6-x86/include/asm-x86/paravirt.h	2007-12-20 19:08:10.000000000 -0800
@@ -8,11 +8,24 @@
 #include <asm/asm.h>
 
 /* Bitmask of what can be clobbered: usually at least eax. */
-#define CLBR_NONE 0x0
-#define CLBR_EAX 0x1
-#define CLBR_ECX 0x2
-#define CLBR_EDX 0x4
-#define CLBR_ANY 0x7
+#define CLBR_NONE 0
+#define CLBR_EAX  (1 << 0)
+#define CLBR_ECX  (1 << 1)
+#define CLBR_EDX  (1 << 2)
+
+#ifdef CONFIG_X86_64
+#define CLBR_RSI  (1 << 3)
+#define CLBR_RDI  (1 << 4)
+#define CLBR_R8   (1 << 5)
+#define CLBR_R9   (1 << 6)
+#define CLBR_R10  (1 << 7)
+#define CLBR_R11  (1 << 8)
+#define CLBR_ANY  ((1 << 9) - 1)
+#include <asm/desc_defs.h>
+#else
+/* CLBR_ANY should match all regs platform has. For i386, that's just it */
+#define CLBR_ANY  ((1 << 3) - 1)
+#endif /* X86_64 */
 
 #ifndef __ASSEMBLY__
 #include <linux/types.h>
--
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---

• Follow-Ups:
  • [PATCH 13/15] move patching code to arch-specific file.
    • From: Glauber de Oliveira Costa <[email protected]>

• References:
  • [PATCH 0/15] adjust pvops to accomodate its x86_64 variant
    • From: Glauber de Oliveira Costa <[email protected]>
  • [PATCH 01/15] change paravirt_32.c name
    • From: Glauber de Oliveira Costa <[email protected]>
  • [PATCH 02/15] adjust PVOP_CALL/VCALL macros for x86_64
    • From: Glauber de Oliveira Costa <[email protected]>
  • [PATCH 03/15] cleanup write_tsc
    • From: Glauber de Oliveira Costa <[email protected]>
  • [PATCH 04/15] provide paravirtualized hook for rdtscp
    • From: Glauber de Oliveira Costa <[email protected]>
  • [PATCH 05/15] change assembly definition of paravirt_patch_site
    • From: Glauber de Oliveira Costa <[email protected]>
  • [PATCH 06/15] adjust assembly macros to x86_64 as well.
    • From: Glauber de Oliveira Costa <[email protected]>
  • [PATCH 07/15] change irq functions to accomodate x86_64
    • From: Glauber de Oliveira Costa <[email protected]>
  • [PATCH 08/15] add macro for privileged x86_64 operation
    • From: Glauber de Oliveira Costa <[email protected]>
  • [PATCH 09/15] adds paravirt hook for swapgs
    • From: Glauber de Oliveira Costa <[email protected]>
  • [PATCH 10/15] replace privileged instructions with paravirt macros
    • From: Glauber de Oliveira Costa <[email protected]>
  • [PATCH 11/15] cleanup CLI_STRING, STI_STRING and friends
    • From: Glauber de Oliveira Costa <[email protected]>

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