xiaomi-sm8450/android_kernel_xiaomi_sm8450
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

KVM: ARM: VFP userspace interface

Browse Source 
We use space #18 for floating point regs.

Reviewed-by: Will Deacon <will.deacon@arm.com>
Reviewed-by: Marcelo Tosatti <mtosatti@redhat.com>
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Signed-off-by: Christoffer Dall <c.dall@virtualopensystems.com>
This commit is contained in:
Rusty Russell
2013-01-20 18:28:11 -05:00
committed by Christoffer Dall
parent c27581ed32
commit 4fe21e4c6d
3 changed files with 196 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

12
arch/arm/include/uapi/asm/kvm.h
View File

@@ -112,6 +112,18 @@ struct kvm_arch_memory_slot {
#define KVM_REG_ARM_DEMUX_VAL_MASK 0x00000000000000FF
#define KVM_REG_ARM_DEMUX_VAL_SHIFT 0
/* VFP registers: we could overload CP10 like ARM does, but that's ugly. */
#define KVM_REG_ARM_VFP (0x0012 << KVM_REG_ARM_COPROC_SHIFT)
#define KVM_REG_ARM_VFP_MASK 0x000000000000FFFF
#define KVM_REG_ARM_VFP_BASE_REG 0x0
#define KVM_REG_ARM_VFP_FPSID 0x1000
#define KVM_REG_ARM_VFP_FPSCR 0x1001
#define KVM_REG_ARM_VFP_MVFR1 0x1006
#define KVM_REG_ARM_VFP_MVFR0 0x1007
#define KVM_REG_ARM_VFP_FPEXC 0x1008
#define KVM_REG_ARM_VFP_FPINST 0x1009
#define KVM_REG_ARM_VFP_FPINST2 0x100A
/* KVM_IRQ_LINE irq field index values */
#define KVM_ARM_IRQ_TYPE_SHIFT 24