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[xen master] xen/Arm: vGICv3: Sysreg emulation is applicable for AArch64 only



commit 49dd24671569641d832804de550032b6f136abeb
Author:     Ayan Kumar Halder <ayan.kumar.halder@xxxxxxx>
AuthorDate: Mon Dec 5 13:26:27 2022 +0000
Commit:     Julien Grall <jgrall@xxxxxxxxxx>
CommitDate: Thu Dec 15 11:27:06 2022 +0000

    xen/Arm: vGICv3: Sysreg emulation is applicable for AArch64 only
    
    Sysreg emulation is 64-bit specific, so guard the calls to
    vgic_v3_emulate_sysreg() as well as the function itself with
    "#ifdef CONFIG_ARM_64".
    
    Signed-off-by: Ayan Kumar Halder <ayan.kumar.halder@xxxxxxx>
    Reviewed-by: Michal Orzel <michal.orzel@xxxxxxx>
    Acked-by: Julien Grall <julien@xxxxxxx>
---
 xen/arch/arm/vgic-v3.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/xen/arch/arm/vgic-v3.c b/xen/arch/arm/vgic-v3.c
index 76b69a7a50..1b0118673c 100644
--- a/xen/arch/arm/vgic-v3.c
+++ b/xen/arch/arm/vgic-v3.c
@@ -1510,6 +1510,7 @@ static bool vgic_v3_emulate_sgi1r(struct cpu_user_regs 
*regs, uint64_t *r,
     }
 }
 
+#ifdef CONFIG_ARM_64
 static bool vgic_v3_emulate_sysreg(struct cpu_user_regs *regs, union hsr hsr)
 {
     struct hsr_sysreg sysreg = hsr.sysreg;
@@ -1530,6 +1531,7 @@ static bool vgic_v3_emulate_sysreg(struct cpu_user_regs 
*regs, union hsr hsr)
         return false;
     }
 }
+#endif
 
 static bool vgic_v3_emulate_cp64(struct cpu_user_regs *regs, union hsr hsr)
 {
@@ -1553,8 +1555,10 @@ static bool vgic_v3_emulate_reg(struct cpu_user_regs 
*regs, union hsr hsr)
 {
     switch (hsr.ec)
     {
+#ifdef CONFIG_ARM_64
     case HSR_EC_SYSREG:
         return vgic_v3_emulate_sysreg(regs, hsr);
+#endif
     case HSR_EC_CP15_64:
         return vgic_v3_emulate_cp64(regs, hsr);
     default:
--
generated by git-patchbot for /home/xen/git/xen.git#master



 


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