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/* SPDX-License-Identifier: GPL-2.0+ WITH Linux-syscall-note */ /* * Author: Hanlu Li <lihanlu@loongson.cn> * Huacai Chen <chenhuacai@loongson.cn> * * Copyright (C) 2020-2022 Loongson Technology Corporation Limited */ #ifndef _UAPI_ASM_SIGCONTEXT_H #define _UAPI_ASM_SIGCONTEXT_H #include <linux/types.h> /* FP context was used */ #define SC_USED_FP (1 << 0) /* Address error was due to memory load */ #define SC_ADDRERR_RD (1 << 30) /* Address error was due to memory store */ #define SC_ADDRERR_WR (1 << 31) struct sigcontext { __u64 sc_pc; __u64 sc_regs[32]; __u32 sc_flags; __u64 sc_extcontext[0] __attribute__((__aligned__(16))); }; #define CONTEXT_INFO_ALIGN 16 struct sctx_info { __u32 magic; __u32 size; __u64 padding; /* padding to 16 bytes */ }; /* FPU context */ #define FPU_CTX_MAGIC 0x46505501 #define FPU_CTX_ALIGN 8 struct fpu_context { __u64 regs[32]; __u64 fcc; __u32 fcsr; }; /* LSX context */ #define LSX_CTX_MAGIC 0x53580001 #define LSX_CTX_ALIGN 16 struct lsx_context { __u64 regs[2*32]; __u64 fcc; __u32 fcsr; }; /* LASX context */ #define LASX_CTX_MAGIC 0x41535801 #define LASX_CTX_ALIGN 32 struct lasx_context { __u64 regs[4*32]; __u64 fcc; __u32 fcsr; }; /* LBT context */ #define LBT_CTX_MAGIC 0x42540001 #define LBT_CTX_ALIGN 8 struct lbt_context { __u64 regs[4]; __u32 eflags; __u32 ftop; }; #endif /* _UAPI_ASM_SIGCONTEXT_H */