#ifndef __ASM_X86_XSAVE_H #define __ASM_X86_XSAVE_H #include <linux/types.h> #include <asm/processor.h> #include <linux/uaccess.h> /* Bit 63 of XCR0 is reserved for future expansion */ #define XFEATURE_MASK_EXTEND (~(XFEATURE_MASK_FPSSE | (1ULL << 63))) #define XSTATE_CPUID 0x0000000d #define FXSAVE_SIZE 512 #define XSAVE_HDR_SIZE 64 #define XSAVE_HDR_OFFSET FXSAVE_SIZE #define XSAVE_YMM_SIZE 256 #define XSAVE_YMM_OFFSET (XSAVE_HDR_SIZE + XSAVE_HDR_OFFSET) /* Supervisor features */ #define XFEATURE_MASK_SUPERVISOR (XFEATURE_MASK_PT) /* All currently supported features */ #define XCNTXT_MASK (XFEATURE_MASK_FP | \ XFEATURE_MASK_SSE | \ XFEATURE_MASK_YMM | \ XFEATURE_MASK_OPMASK | \ XFEATURE_MASK_ZMM_Hi256 | \ XFEATURE_MASK_Hi16_ZMM | \ XFEATURE_MASK_PKRU | \ XFEATURE_MASK_BNDREGS | \ XFEATURE_MASK_BNDCSR) #ifdef CONFIG_X86_64 #define REX_PREFIX "0x48, " #else #define REX_PREFIX #endif extern u64 xfeatures_mask; extern u64 xstate_fx_sw_bytes[USER_XSTATE_FX_SW_WORDS]; extern void __init update_regset_xstate_info(unsigned int size, u64 xstate_mask); void fpu__xstate_clear_all_cpu_caps(void); void *get_xsave_addr(struct xregs_state *xsave, int xstate); const void *get_xsave_field_ptr(int xstate_field); int using_compacted_format(void); int copyout_from_xsaves(unsigned int pos, unsigned int count, void *kbuf, void __user *ubuf, struct xregs_state *xsave); int copyin_to_xsaves(const void *kbuf, const void __user *ubuf, struct xregs_state *xsave); #endifOverall Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Yu-cheng Yu | 57 | 32.76% | 3 | 14.29% |
| Suresh B. Siddha | 52 | 29.89% | 3 | 14.29% |
| Dave Hansen | 17 | 9.77% | 3 | 14.29% |
| Sheng Yang | 16 | 9.20% | 2 | 9.52% |
| Fenghua Yu | 12 | 6.90% | 1 | 4.76% |
| Ingo Molnar | 9 | 5.17% | 4 | 19.05% |
| H. Peter Anvin | 5 | 2.87% | 1 | 4.76% |
| Liu Jinsong | 3 | 1.72% | 1 | 4.76% |
| Qiaowei Ren | 1 | 0.57% | 1 | 4.76% |
| Andrew Lutomirski | 1 | 0.57% | 1 | 4.76% |
| Kees Cook | 1 | 0.57% | 1 | 4.76% |
| Total | 174 | 100.00% | 21 | 100.00% |