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Searched refs:fcsr (Results 1 – 22 of 22) sorted by relevance

/Linux-v6.6/arch/loongarch/kernel/
Dsignal.c59 _save_lsx_context(void __user *fpregs, void __user *fcc, void __user *fcsr);
61 _restore_lsx_context(void __user *fpregs, void __user *fcc, void __user *fcsr);
63 _save_lasx_context(void __user *fpregs, void __user *fcc, void __user *fcsr);
65 _restore_lasx_context(void __user *fpregs, void __user *fcc, void __user *fcsr);
109 uint32_t __user *fcsr = &ctx->fcsr; in copy_fpu_to_sigcontext() local
117 err |= __put_user(current->thread.fpu.fcsr, fcsr); in copy_fpu_to_sigcontext()
129 uint32_t __user *fcsr = &ctx->fcsr; in copy_fpu_from_sigcontext() local
136 err |= __get_user(current->thread.fpu.fcsr, fcsr); in copy_fpu_from_sigcontext()
147 uint32_t __user *fcsr = &ctx->fcsr; in copy_lsx_to_sigcontext() local
156 err |= __put_user(current->thread.fpu.fcsr, fcsr); in copy_lsx_to_sigcontext()
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Dtraps.c427 static void force_fcsr_sig(unsigned long fcsr, in force_fcsr_sig() argument
432 if (fcsr & FPU_CSR_INV_X) in force_fcsr_sig()
434 else if (fcsr & FPU_CSR_DIV_X) in force_fcsr_sig()
436 else if (fcsr & FPU_CSR_OVF_X) in force_fcsr_sig()
438 else if (fcsr & FPU_CSR_UDF_X) in force_fcsr_sig()
440 else if (fcsr & FPU_CSR_INE_X) in force_fcsr_sig()
446 static int process_fpemu_return(int sig, void __user *fault_addr, unsigned long fcsr) in process_fpemu_return() argument
455 force_fcsr_sig(fcsr, fault_addr, current); in process_fpemu_return()
481 asmlinkage void noinstr do_fpe(struct pt_regs *regs, unsigned long fcsr) in do_fpe() argument
492 write_fcsr(LOONGARCH_FCSR0, fcsr & ~mask_fcsr_x(fcsr)); in do_fpe()
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Dcpu-probe.c32 unsigned long sr, mask, fcsr, fcsr0, fcsr1; in cpu_set_fpu_fcsr_mask() local
34 fcsr = c->fpu_csr0; in cpu_set_fpu_fcsr_mask()
40 fcsr0 = fcsr & mask; in cpu_set_fpu_fcsr_mask()
44 fcsr1 = fcsr | ~mask; in cpu_set_fpu_fcsr_mask()
48 write_fcsr(LOONGARCH_FCSR0, fcsr); in cpu_set_fpu_fcsr_mask()
Delf.c29 current->thread.fpu.fcsr = boot_cpu_data.fpu_csr0; in loongarch_set_personality_fcsr()
Dgenex.S87 BUILD_HANDLER fpe fpe fcsr
Dkgdb.c134 memcpy(mem, (void *)&current->thread.fpu.fcsr, reg_size); in dbg_get_reg()
175 memcpy((void *)&current->thread.fpu.fcsr, mem, reg_size); in dbg_set_reg()
Dptrace.c159 r = membuf_write(&to, &target->thread.fpu.fcsr, sizeof(target->thread.fpu.fcsr)); in fpr_get()
223 &target->thread.fpu.fcsr, fcsr_start, in fpr_set()
Dasm-offsets.c166 OFFSET(THREAD_FCSR, loongarch_fpu, fcsr); in output_thread_fpu_defines()
/Linux-v6.6/arch/mips/kernel/
Dfpu-probe.c51 unsigned long sr, mask, fcsr, fcsr0, fcsr1; in cpu_set_fpu_fcsr_mask() local
53 fcsr = c->fpu_csr31; in cpu_set_fpu_fcsr_mask()
59 fcsr0 = fcsr & mask; in cpu_set_fpu_fcsr_mask()
63 fcsr1 = fcsr | ~mask; in cpu_set_fpu_fcsr_mask()
67 write_32bit_cp1_register(CP1_STATUS, fcsr); in cpu_set_fpu_fcsr_mask()
84 unsigned long sr, fir, fcsr, fcsr0, fcsr1; in cpu_set_fpu_2008() local
91 fcsr = read_32bit_cp1_register(CP1_STATUS); in cpu_set_fpu_2008()
98 fcsr0 = fcsr & ~(FPU_CSR_ABS2008 | FPU_CSR_NAN2008 | in cpu_set_fpu_2008()
103 fcsr1 = fcsr | FPU_CSR_ABS2008 | FPU_CSR_NAN2008; in cpu_set_fpu_2008()
107 write_32bit_cp1_register(CP1_STATUS, fcsr); in cpu_set_fpu_2008()
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Dptrace.c590 unsigned int fcsr; member
622 .fcsr = target->thread.fpu.fcr31, in msa_get()
679 target->thread.fpu.fcr31 = ctrl_regs.fcsr & ~FPU_CSR_ALL_X; in msa_set()
/Linux-v6.6/arch/riscv/kvm/
Dvcpu_fp.c93 if (reg_num == KVM_REG_RISCV_FP_F_REG(fcsr)) in kvm_riscv_vcpu_get_reg_fp()
94 reg_val = &cntx->fp.f.fcsr; in kvm_riscv_vcpu_get_reg_fp()
102 if (reg_num == KVM_REG_RISCV_FP_D_REG(fcsr)) { in kvm_riscv_vcpu_get_reg_fp()
105 reg_val = &cntx->fp.d.fcsr; in kvm_riscv_vcpu_get_reg_fp()
138 if (reg_num == KVM_REG_RISCV_FP_F_REG(fcsr)) in kvm_riscv_vcpu_set_reg_fp()
139 reg_val = &cntx->fp.f.fcsr; in kvm_riscv_vcpu_set_reg_fp()
147 if (reg_num == KVM_REG_RISCV_FP_D_REG(fcsr)) { in kvm_riscv_vcpu_set_reg_fp()
150 reg_val = &cntx->fp.d.fcsr; in kvm_riscv_vcpu_set_reg_fp()
/Linux-v6.6/arch/loongarch/include/asm/
Dfpu.h55 static inline unsigned long mask_fcsr_x(unsigned long fcsr) in mask_fcsr_x() argument
57 return fcsr & ((fcsr & FPU_CSR_ALL_E) << in mask_fcsr_x()
157 unsigned int fcsr = current->thread.fpu.fcsr; in init_fpu() local
160 _init_fpu(fcsr); in init_fpu()
Dprocessor.h84 uint32_t fcsr; member
181 .fcsr = 0, \
Dexception.h18 asmlinkage void noinstr do_fpe(struct pt_regs *regs, unsigned long fcsr);
/Linux-v6.6/arch/loongarch/include/uapi/asm/
Dsigcontext.h41 __u32 fcsr; member
50 __u32 fcsr; member
59 __u32 fcsr; member
Dptrace.h46 uint32_t fcsr; member
/Linux-v6.6/arch/riscv/include/uapi/asm/
Dptrace.h61 __u32 fcsr; member
66 __u32 fcsr; member
71 __u32 fcsr; member
/Linux-v6.6/arch/riscv/kernel/
Dptrace.c62 membuf_write(&to, fstate, offsetof(struct __riscv_d_ext_state, fcsr)); in riscv_fpr_get()
63 membuf_store(&to, fstate->fcsr); in riscv_fpr_get()
76 offsetof(struct __riscv_d_ext_state, fcsr)); in riscv_fpr_set()
79 offsetof(struct __riscv_d_ext_state, fcsr) + in riscv_fpr_set()
80 sizeof(fstate->fcsr)); in riscv_fpr_set()
Dasm-offsets.c74 OFFSET(TASK_THREAD_FCSR, task_struct, thread.fstate.fcsr); in asm_offsets()
240 OFFSET(KVM_ARCH_FP_F_FCSR, kvm_cpu_context, fp.f.fcsr); in asm_offsets()
276 OFFSET(KVM_ARCH_FP_D_FCSR, kvm_cpu_context, fp.d.fcsr); in asm_offsets()
469 offsetof(struct task_struct, thread.fstate.fcsr) in asm_offsets()
Dhead.S429 csrw fcsr, 0
/Linux-v6.6/tools/testing/selftests/kvm/riscv/
Dget-reg-list.c289 case KVM_REG_RISCV_FP_F_REG(fcsr): in fp_f_id_to_str()
306 case KVM_REG_RISCV_FP_D_REG(fcsr): in fp_d_id_to_str()
662 KVM_REG_RISCV | KVM_REG_SIZE_U32 | KVM_REG_RISCV_FP_F | KVM_REG_RISCV_FP_F_REG(fcsr),
699 KVM_REG_RISCV | KVM_REG_SIZE_U32 | KVM_REG_RISCV_FP_D | KVM_REG_RISCV_FP_D_REG(fcsr),
/Linux-v6.6/Documentation/virt/kvm/
Dapi.rst2824 0x8020 0000 0500 0020 fcsr Floating point control and status register
2830 0x8020 0000 06 <index into the __riscv_d_ext_state struct:24> (fcsr)
2831 0x8030 0000 06 <index into the __riscv_d_ext_state struct:24> (non-fcsr)
2841 0x8020 0000 0600 0020 fcsr Floating point control and status register