[Xen-changelog] [xen stable-4.7] xen/arm64: Add missing MIDR values for Cortex-A72, A73 and A75

[patchbot@xxxxxxx]

commit 2914ef5753c9328889df314f33bb12ece1bd4fbe
Author:     Julien Grall <julien.grall@xxxxxxxxxx>
AuthorDate: Tue Jan 16 14:23:34 2018 +0000
Commit:     Stefano Stabellini <sstabellini@xxxxxxxxxx>
CommitDate: Wed Jan 24 14:09:17 2018 -0800

    xen/arm64: Add missing MIDR values for Cortex-A72, A73 and A75
    
    Cortex-A72, A73 and A75 MIDR will be used to a follow-up for hardening
    the branch predictor.
    
    This is part of XSA-254.
    
    Signed-off-by: Julien Grall <julien.grall@xxxxxxxxxx>
    Acked-by: Stefano Stabellini <sstabellini@xxxxxxxxxx>
    Signed-off-by: Stefano Stabellini <sstabellini@xxxxxxxxxx>
    (cherry picked from commit 7975bff524c4e2c30efbf144de753f151d974e53)
    
    Conflicts:
        xen/include/asm-arm/processor.h
    
    Add missing definitions of A15, A53, and A57.
---
 xen/include/asm-arm/processor.h | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

diff --git a/xen/include/asm-arm/processor.h b/xen/include/asm-arm/processor.h
index 7628729..2c9c193 100644
--- a/xen/include/asm-arm/processor.h
+++ b/xen/include/asm-arm/processor.h
@@ -44,6 +44,22 @@
         _model == (model) && _rv >= (rv_min) && _rv <= (rv_max);        \
 })
 
+#define ARM_CPU_IMP_ARM             0x41
+
+#define ARM_CPU_PART_CORTEX_A15     0xC0F
+#define ARM_CPU_PART_CORTEX_A53     0xD03
+#define ARM_CPU_PART_CORTEX_A57     0xD07
+#define ARM_CPU_PART_CORTEX_A72     0xD08
+#define ARM_CPU_PART_CORTEX_A73     0xD09
+#define ARM_CPU_PART_CORTEX_A75     0xD0A
+
+#define MIDR_CORTEX_A15 MIDR_CPU_MODEL(ARM_CPU_IMP_ARM, 
ARM_CPU_PART_CORTEX_A15)
+#define MIDR_CORTEX_A53 MIDR_CPU_MODEL(ARM_CPU_IMP_ARM, 
ARM_CPU_PART_CORTEX_A53)
+#define MIDR_CORTEX_A57 MIDR_CPU_MODEL(ARM_CPU_IMP_ARM, 
ARM_CPU_PART_CORTEX_A57)
+#define MIDR_CORTEX_A72 MIDR_CPU_MODEL(ARM_CPU_IMP_ARM, 
ARM_CPU_PART_CORTEX_A72)
+#define MIDR_CORTEX_A73 MIDR_CPU_MODEL(ARM_CPU_IMP_ARM, 
ARM_CPU_PART_CORTEX_A73)
+#define MIDR_CORTEX_A75 MIDR_CPU_MODEL(ARM_CPU_IMP_ARM, 
ARM_CPU_PART_CORTEX_A75)
+
 /* MPIDR Multiprocessor Affinity Register */
 #define _MPIDR_UP           (30)
 #define MPIDR_UP            (_AC(1,U) << _MPIDR_UP)
--
generated by git-patchbot for /home/xen/git/xen.git#stable-4.7

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