Author | Tokens | Token Proportion | Commits | Commit Proportion |
---|---|---|---|---|
Siddharth Chandrasekaran | 571 | 99.30% | 1 | 33.33% |
Sean Christopherson | 3 | 0.52% | 1 | 33.33% |
Greg Kroah-Hartman | 1 | 0.17% | 1 | 33.33% |
Total | 575 | 3 |
/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __KVM_FPU_H_ #define __KVM_FPU_H_ #include <asm/fpu/api.h> typedef u32 __attribute__((vector_size(16))) sse128_t; #define __sse128_u union { sse128_t vec; u64 as_u64[2]; u32 as_u32[4]; } #define sse128_lo(x) ({ __sse128_u t; t.vec = x; t.as_u64[0]; }) #define sse128_hi(x) ({ __sse128_u t; t.vec = x; t.as_u64[1]; }) #define sse128_l0(x) ({ __sse128_u t; t.vec = x; t.as_u32[0]; }) #define sse128_l1(x) ({ __sse128_u t; t.vec = x; t.as_u32[1]; }) #define sse128_l2(x) ({ __sse128_u t; t.vec = x; t.as_u32[2]; }) #define sse128_l3(x) ({ __sse128_u t; t.vec = x; t.as_u32[3]; }) #define sse128(lo, hi) ({ __sse128_u t; t.as_u64[0] = lo; t.as_u64[1] = hi; t.vec; }) static inline void _kvm_read_sse_reg(int reg, sse128_t *data) { switch (reg) { case 0: asm("movdqa %%xmm0, %0" : "=m"(*data)); break; case 1: asm("movdqa %%xmm1, %0" : "=m"(*data)); break; case 2: asm("movdqa %%xmm2, %0" : "=m"(*data)); break; case 3: asm("movdqa %%xmm3, %0" : "=m"(*data)); break; case 4: asm("movdqa %%xmm4, %0" : "=m"(*data)); break; case 5: asm("movdqa %%xmm5, %0" : "=m"(*data)); break; case 6: asm("movdqa %%xmm6, %0" : "=m"(*data)); break; case 7: asm("movdqa %%xmm7, %0" : "=m"(*data)); break; #ifdef CONFIG_X86_64 case 8: asm("movdqa %%xmm8, %0" : "=m"(*data)); break; case 9: asm("movdqa %%xmm9, %0" : "=m"(*data)); break; case 10: asm("movdqa %%xmm10, %0" : "=m"(*data)); break; case 11: asm("movdqa %%xmm11, %0" : "=m"(*data)); break; case 12: asm("movdqa %%xmm12, %0" : "=m"(*data)); break; case 13: asm("movdqa %%xmm13, %0" : "=m"(*data)); break; case 14: asm("movdqa %%xmm14, %0" : "=m"(*data)); break; case 15: asm("movdqa %%xmm15, %0" : "=m"(*data)); break; #endif default: BUG(); } } static inline void _kvm_write_sse_reg(int reg, const sse128_t *data) { switch (reg) { case 0: asm("movdqa %0, %%xmm0" : : "m"(*data)); break; case 1: asm("movdqa %0, %%xmm1" : : "m"(*data)); break; case 2: asm("movdqa %0, %%xmm2" : : "m"(*data)); break; case 3: asm("movdqa %0, %%xmm3" : : "m"(*data)); break; case 4: asm("movdqa %0, %%xmm4" : : "m"(*data)); break; case 5: asm("movdqa %0, %%xmm5" : : "m"(*data)); break; case 6: asm("movdqa %0, %%xmm6" : : "m"(*data)); break; case 7: asm("movdqa %0, %%xmm7" : : "m"(*data)); break; #ifdef CONFIG_X86_64 case 8: asm("movdqa %0, %%xmm8" : : "m"(*data)); break; case 9: asm("movdqa %0, %%xmm9" : : "m"(*data)); break; case 10: asm("movdqa %0, %%xmm10" : : "m"(*data)); break; case 11: asm("movdqa %0, %%xmm11" : : "m"(*data)); break; case 12: asm("movdqa %0, %%xmm12" : : "m"(*data)); break; case 13: asm("movdqa %0, %%xmm13" : : "m"(*data)); break; case 14: asm("movdqa %0, %%xmm14" : : "m"(*data)); break; case 15: asm("movdqa %0, %%xmm15" : : "m"(*data)); break; #endif default: BUG(); } } static inline void _kvm_read_mmx_reg(int reg, u64 *data) { switch (reg) { case 0: asm("movq %%mm0, %0" : "=m"(*data)); break; case 1: asm("movq %%mm1, %0" : "=m"(*data)); break; case 2: asm("movq %%mm2, %0" : "=m"(*data)); break; case 3: asm("movq %%mm3, %0" : "=m"(*data)); break; case 4: asm("movq %%mm4, %0" : "=m"(*data)); break; case 5: asm("movq %%mm5, %0" : "=m"(*data)); break; case 6: asm("movq %%mm6, %0" : "=m"(*data)); break; case 7: asm("movq %%mm7, %0" : "=m"(*data)); break; default: BUG(); } } static inline void _kvm_write_mmx_reg(int reg, const u64 *data) { switch (reg) { case 0: asm("movq %0, %%mm0" : : "m"(*data)); break; case 1: asm("movq %0, %%mm1" : : "m"(*data)); break; case 2: asm("movq %0, %%mm2" : : "m"(*data)); break; case 3: asm("movq %0, %%mm3" : : "m"(*data)); break; case 4: asm("movq %0, %%mm4" : : "m"(*data)); break; case 5: asm("movq %0, %%mm5" : : "m"(*data)); break; case 6: asm("movq %0, %%mm6" : : "m"(*data)); break; case 7: asm("movq %0, %%mm7" : : "m"(*data)); break; default: BUG(); } } static inline void kvm_fpu_get(void) { fpregs_lock(); fpregs_assert_state_consistent(); if (test_thread_flag(TIF_NEED_FPU_LOAD)) switch_fpu_return(); } static inline void kvm_fpu_put(void) { fpregs_unlock(); } static inline void kvm_read_sse_reg(int reg, sse128_t *data) { kvm_fpu_get(); _kvm_read_sse_reg(reg, data); kvm_fpu_put(); } static inline void kvm_write_sse_reg(int reg, const sse128_t *data) { kvm_fpu_get(); _kvm_write_sse_reg(reg, data); kvm_fpu_put(); } static inline void kvm_read_mmx_reg(int reg, u64 *data) { kvm_fpu_get(); _kvm_read_mmx_reg(reg, data); kvm_fpu_put(); } static inline void kvm_write_mmx_reg(int reg, const u64 *data) { kvm_fpu_get(); _kvm_write_mmx_reg(reg, data); kvm_fpu_put(); } #endif
Information contained on this website is for historical information purposes only and does not indicate or represent copyright ownership.
Created with Cregit http://github.com/cregit/cregit
Version 2.0-RC1