Home
last modified time | relevance | path

Searched refs:fcsr (Results 1 – 20 of 20) sorted by relevance

/linux/arch/loongarch/kernel/
H A Dsignal.c60 _save_lsx_context(void __user *fpregs, void __user *fcc, void __user *fcsr);
62 _restore_lsx_context(void __user *fpregs, void __user *fcc, void __user *fcsr);
64 _save_lasx_context(void __user *fpregs, void __user *fcc, void __user *fcsr);
66 _restore_lasx_context(void __user *fpregs, void __user *fcc, void __user *fcsr);
110 uint32_t __user *fcsr = &ctx->fcsr; in copy_fpu_to_sigcontext() local
118 err |= __put_user(current->thread.fpu.fcsr, fcsr); in copy_fpu_to_sigcontext()
130 uint32_t __user *fcsr = &ctx->fcsr; in copy_fpu_from_sigcontext() local
137 err |= __get_user(current->thread.fpu.fcsr, fcsr); in copy_fpu_from_sigcontext()
148 uint32_t __user *fcsr = &ctx->fcsr; in copy_lsx_to_sigcontext() local
157 err |= __put_user(current->thread.fpu.fcsr, fcsr); in copy_lsx_to_sigcontext()
[all …]
H A Dtraps.c453 static void force_fcsr_sig(unsigned long fcsr, in force_fcsr_sig() argument
458 if (fcsr & FPU_CSR_INV_X) in force_fcsr_sig()
460 else if (fcsr & FPU_CSR_DIV_X) in force_fcsr_sig()
462 else if (fcsr & FPU_CSR_OVF_X) in force_fcsr_sig()
464 else if (fcsr & FPU_CSR_UDF_X) in force_fcsr_sig()
466 else if (fcsr & FPU_CSR_INE_X) in force_fcsr_sig()
472 static int process_fpemu_return(int sig, void __user *fault_addr, unsigned long fcsr) in process_fpemu_return() argument
481 force_fcsr_sig(fcsr, fault_addr, current); in process_fpemu_return()
507 asmlinkage void noinstr do_fpe(struct pt_regs *regs, unsigned long fcsr) in do_fpe() argument
518 write_fcsr(LOONGARCH_FCSR0, fcsr in do_fpe()
[all...]
H 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()
H A Dgenex.S94 BUILD_HANDLER fpe fpe fcsr
H 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()
H A 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()
H A Dprocess.c88 current->thread.fpu.fcsr = boot_cpu_data.fpu_csr0; in start_thread()
/linux/arch/mips/kernel/
H 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()
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()
[all …]
H 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()
/linux/arch/riscv/kvm/
H 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()
/linux/arch/loongarch/include/uapi/asm/
H A Dsigcontext.h40 __u32 fcsr; member
49 __u32 fcsr; member
58 __u32 fcsr; member
H A Dptrace.h46 uint32_t fcsr; member
/linux/arch/riscv/include/uapi/asm/
H A Dptrace.h61 __u32 fcsr; member
66 __u32 fcsr; member
71 __u32 fcsr; member
/linux/arch/riscv/kernel/
H 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()
H 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()
480 offsetof(struct task_struct, thread.fstate.fcsr) in asm_offsets()
H A Dhead.S434 csrw fcsr, 0
/linux/arch/loongarch/include/asm/
H A Dprocessor.h84 uint32_t fcsr; member
181 .fcsr = 0, \
H A Dexception.h20 asmlinkage void noinstr do_fpe(struct pt_regs *regs, unsigned long fcsr);
/linux/arch/loongarch/kvm/
H A Dvcpu.c1218 fpu->fcsr = vcpu->arch.fpu.fcsr; in kvm_arch_vcpu_ioctl_get_fpu()
1230 vcpu->arch.fpu.fcsr = fpu->fcsr; in kvm_arch_vcpu_ioctl_set_fpu()
1263 static void kvm_check_fcsr(struct kvm_vcpu *vcpu, unsigned long fcsr) in kvm_check_fcsr() argument
1269 if (fcsr & FPU_CSR_TM) in kvm_check_fcsr()
1283 static inline void kvm_check_fcsr(struct kvm_vcpu *vcpu, unsigned long fcsr) { } in kvm_check_fcsr() argument
1296 kvm_check_fcsr(vcpu, vcpu->arch.fpu.fcsr); in kvm_own_fpu()
1316 kvm_check_fcsr(vcpu, vcpu->arch.fpu.fcsr); in kvm_own_lsx()
1351 kvm_check_fcsr(vcpu, vcpu->arch.fpu.fcsr); in kvm_own_lasx()
/linux/Documentation/virt/kvm/
H A Dapi.rst801 __u32 fcsr;
839 __u32 fcsr;
2864 0x8020 0000 0500 0020 fcsr Floating point control and status register
2870 0x8020 0000 06 <index into the __riscv_d_ext_state struct:24> (fcsr)
2871 0x8030 0000 06 <index into the __riscv_d_ext_state struct:24> (non-fcsr)
2881 0x8020 0000 0600 0020 fcsr Floating point control and status register