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[RFC,v2,2/8] arm/mem_access: Add defines holding the width of 32/64bit regs

Message ID 20170601151906.10213-3-proskurin@sec.in.tum.de (mailing list archive)
State New, archived
Headers show

Commit Message

Sergej Proskurin June 1, 2017, 3:18 p.m. UTC 
This commit adds two defines holding the register width of 32 bit and 64 bit
registers. These defines simplify using the associated constants in the
following commits.

Signed-off-by: Sergej Proskurin <proskurin@sec.in.tum.de>
---
Cc: Stefano Stabellini <sstabellini@kernel.org>
Cc: Julien Grall <julien.grall@arm.com>
---
 xen/include/asm-arm/processor.h | 4 ++++
 1 file changed, 4 insertions(+)
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Patch

diff --git a/xen/include/asm-arm/processor.h b/xen/include/asm-arm/processor.h
index c095dad7e9..c1ccd920b4 100644
--- a/xen/include/asm-arm/processor.h
+++ b/xen/include/asm-arm/processor.h
@@ -326,6 +326,10 @@ 
 #define MM64_VMID_16_BITS_SUPPORT   0x2
 #endif
 
+/* Register width */
+#define REGISTER_WIDTH_64_BIT       (64)
+#define REGISTER_WIDTH_32_BIT       (32)
+
 #ifndef __ASSEMBLY__
 
 struct cpuinfo_arm {