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

/arch/loongarch/kernel/
A Dsignal.c89 uint32_t __user *fcsr = &ctx->fcsr; in copy_fpu_to_sigcontext() local
109 uint32_t __user *fcsr = &ctx->fcsr; in copy_fpu_from_sigcontext() local
127 uint32_t __user *fcsr = &ctx->fcsr; in copy_lsx_to_sigcontext() local
148 uint32_t __user *fcsr = &ctx->fcsr; in copy_lsx_from_sigcontext() local
168 uint32_t __user *fcsr = &ctx->fcsr; in copy_lasx_to_sigcontext() local
193 uint32_t __user *fcsr = &ctx->fcsr; in copy_lasx_from_sigcontext() local
264 uint32_t __user *fcsr = &ctx->fcsr; in save_hw_fpu_context() local
273 uint32_t __user *fcsr = &ctx->fcsr; in restore_hw_fpu_context() local
282 uint32_t __user *fcsr = &ctx->fcsr; in save_hw_lsx_context() local
291 uint32_t __user *fcsr = &ctx->fcsr; in restore_hw_lsx_context() local
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A 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()
A Dtraps.c454 static void force_fcsr_sig(unsigned long fcsr, in force_fcsr_sig() argument
459 if (fcsr & FPU_CSR_INV_X) in force_fcsr_sig()
461 else if (fcsr & FPU_CSR_DIV_X) in force_fcsr_sig()
463 else if (fcsr & FPU_CSR_OVF_X) in force_fcsr_sig()
465 else if (fcsr & FPU_CSR_UDF_X) in force_fcsr_sig()
467 else if (fcsr & FPU_CSR_INE_X) in force_fcsr_sig()
473 static int process_fpemu_return(int sig, void __user *fault_addr, unsigned long fcsr) in process_fpemu_return() argument
482 force_fcsr_sig(fcsr, fault_addr, current); in process_fpemu_return()
508 asmlinkage void noinstr do_fpe(struct pt_regs *regs, unsigned long fcsr) in do_fpe() argument
519 write_fcsr(LOONGARCH_FCSR0, fcsr & ~mask_fcsr_x(fcsr)); in do_fpe()
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A Dgenex.S97 BUILD_HANDLER fpe fpe fcsr
A Dasm-offsets.c168 OFFSET(THREAD_FCSR, loongarch_fpu, fcsr); in output_thread_fpu_defines()
288 OFFSET(VCPU_FCSR0, kvm_vcpu_arch, fpu.fcsr); in output_kvm_defines()
A Dkgdb.c135 memcpy(mem, (void *)&current->thread.fpu.fcsr, reg_size); in dbg_get_reg()
176 memcpy((void *)&current->thread.fpu.fcsr, mem, reg_size); in dbg_set_reg()
A 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()
A Dprocess.c92 current->thread.fpu.fcsr = boot_cpu_data.fpu_csr0; in start_thread()
/arch/mips/kernel/
A 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()
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()
127 c->fpu_csr31 |= fcsr & FPU_CSR_ABS2008; in cpu_set_fpu_2008()
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A Dptrace.c597 unsigned int fcsr; member
629 .fcsr = target->thread.fpu.fcr31, in msa_get()
686 target->thread.fpu.fcr31 = ctrl_regs.fcsr & ~FPU_CSR_ALL_X; in msa_set()
/arch/loongarch/include/asm/
A Dfpu.h39 asmlinkage int _save_lsx_context(void __user *fpregs, void __user *fcc, void __user *fcsr);
40 asmlinkage int _restore_lsx_context(void __user *fpregs, void __user *fcc, void __user *fcsr);
46 asmlinkage int _save_lasx_context(void __user *fpregs, void __user *fcc, void __user *fcsr);
47 asmlinkage int _restore_lasx_context(void __user *fpregs, void __user *fcc, void __user *fcsr);
63 static inline unsigned long mask_fcsr_x(unsigned long fcsr) in mask_fcsr_x() argument
65 return fcsr & ((fcsr & FPU_CSR_ALL_E) << in mask_fcsr_x()
165 unsigned int fcsr = current->thread.fpu.fcsr; in init_fpu() local
168 _init_fpu(fcsr); in init_fpu()
A Dprocessor.h84 uint32_t fcsr; member
181 .fcsr = 0, \
A Dexception.h20 asmlinkage void noinstr do_fpe(struct pt_regs *regs, unsigned long fcsr);
/arch/riscv/kvm/
A 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()
/arch/loongarch/include/uapi/asm/
A Dsigcontext.h40 __u32 fcsr; member
49 __u32 fcsr; member
58 __u32 fcsr; member
A Dptrace.h46 uint32_t fcsr; member
A Dkvm.h37 __u32 fcsr; member
/arch/riscv/include/uapi/asm/
A Dptrace.h61 __u32 fcsr; member
66 __u32 fcsr; member
71 __u32 fcsr; member
/arch/riscv/kernel/
A Dptrace.c65 membuf_write(&to, fstate, offsetof(struct __riscv_d_ext_state, fcsr)); in riscv_fpr_get()
66 membuf_store(&to, fstate->fcsr); in riscv_fpr_get()
79 offsetof(struct __riscv_d_ext_state, fcsr)); in riscv_fpr_set()
82 offsetof(struct __riscv_d_ext_state, fcsr) + in riscv_fpr_set()
83 sizeof(fstate->fcsr)); in riscv_fpr_set()
A Dasm-offsets.c85 OFFSET(TASK_THREAD_FCSR, task_struct, thread.fstate.fcsr); in asm_offsets()
251 OFFSET(KVM_ARCH_FP_F_FCSR, kvm_cpu_context, fp.f.fcsr); in asm_offsets()
287 OFFSET(KVM_ARCH_FP_D_FCSR, kvm_cpu_context, fp.d.fcsr); in asm_offsets()
484 offsetof(struct task_struct, thread.fstate.fcsr) in asm_offsets()
A Dhead.S444 csrw fcsr, 0
/arch/loongarch/kvm/
A Dvcpu.c1260 fpu->fcsr = vcpu->arch.fpu.fcsr; in kvm_arch_vcpu_ioctl_get_fpu()
1272 vcpu->arch.fpu.fcsr = fpu->fcsr; in kvm_arch_vcpu_ioctl_set_fpu()
1307 static void kvm_check_fcsr(struct kvm_vcpu *vcpu, unsigned long fcsr) in kvm_check_fcsr() argument
1313 if (fcsr & FPU_CSR_TM) in kvm_check_fcsr()
1327 static inline void kvm_check_fcsr(struct kvm_vcpu *vcpu, unsigned long fcsr) { } in kvm_check_fcsr() argument
1340 kvm_check_fcsr(vcpu, vcpu->arch.fpu.fcsr); in kvm_own_fpu()
1360 kvm_check_fcsr(vcpu, vcpu->arch.fpu.fcsr); in kvm_own_lsx()
1395 kvm_check_fcsr(vcpu, vcpu->arch.fpu.fcsr); in kvm_own_lasx()

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