diff options
Diffstat (limited to 'arch/mips/include/uapi/asm')
| -rw-r--r-- | arch/mips/include/uapi/asm/kvm.h | 37 |
1 files changed, 27 insertions, 10 deletions
diff --git a/arch/mips/include/uapi/asm/kvm.h b/arch/mips/include/uapi/asm/kvm.h index 75d6d85..401e6a6 100644 --- a/arch/mips/include/uapi/asm/kvm.h +++ b/arch/mips/include/uapi/asm/kvm.h @@ -36,18 +36,8 @@ struct kvm_regs { /* * for KVM_GET_FPU and KVM_SET_FPU - * - * If Status[FR] is zero (32-bit FPU), the upper 32-bits of the FPRs - * are zero filled. */ struct kvm_fpu { - __u64 fpr[32]; - __u32 fir; - __u32 fccr; - __u32 fexr; - __u32 fenr; - __u32 fcsr; - __u32 pad; }; @@ -68,6 +58,8 @@ struct kvm_fpu { * * Register set = 2: KVM specific registers (see definitions below). * + * Register set = 3: FPU registers (see definitions below). + * * Other sets registers may be added in the future. Each set would * have its own identifier in bits[31..16]. */ @@ -75,6 +67,7 @@ struct kvm_fpu { #define KVM_REG_MIPS_GP (KVM_REG_MIPS | 0x0000000000000000ULL) #define KVM_REG_MIPS_CP0 (KVM_REG_MIPS | 0x0000000000010000ULL) #define KVM_REG_MIPS_KVM (KVM_REG_MIPS | 0x0000000000020000ULL) +#define KVM_REG_MIPS_FPU (KVM_REG_MIPS | 0x0000000000030000ULL) /* @@ -155,6 +148,30 @@ struct kvm_fpu { /* + * KVM_REG_MIPS_FPU - Floating Point registers. + * + * bits[15..8] - Register subset (see definitions below). + * bits[7..5] - Must be zero. + * bits[4..0] - Register number within register subset. + */ + +#define KVM_REG_MIPS_FPR (KVM_REG_MIPS_FPU | 0x0000000000000000ULL) +#define KVM_REG_MIPS_FCR (KVM_REG_MIPS_FPU | 0x0000000000000100ULL) + +/* + * KVM_REG_MIPS_FPR - Floating point / Vector registers. + */ +#define KVM_REG_MIPS_FPR_32(n) (KVM_REG_MIPS_FPR | KVM_REG_SIZE_U32 | (n)) +#define KVM_REG_MIPS_FPR_64(n) (KVM_REG_MIPS_FPR | KVM_REG_SIZE_U64 | (n)) + +/* + * KVM_REG_MIPS_FCR - Floating point control registers. + */ +#define KVM_REG_MIPS_FCR_IR (KVM_REG_MIPS_FCR | KVM_REG_SIZE_U32 | 0) +#define KVM_REG_MIPS_FCR_CSR (KVM_REG_MIPS_FCR | KVM_REG_SIZE_U32 | 31) + + +/* * KVM MIPS specific structures and definitions * */ |
