| /linux-6.15/tools/testing/selftests/kvm/x86/ |
| H A D | set_sregs_test.c | 54 cr4 |= X86_CR4_UMIP; in calc_supported_cr4_feature_bits()
56 cr4 |= X86_CR4_LA57; in calc_supported_cr4_feature_bits()
58 cr4 |= X86_CR4_VMXE; in calc_supported_cr4_feature_bits()
60 cr4 |= X86_CR4_SMXE; in calc_supported_cr4_feature_bits()
68 cr4 |= X86_CR4_SMEP; in calc_supported_cr4_feature_bits()
70 cr4 |= X86_CR4_SMAP; in calc_supported_cr4_feature_bits()
72 cr4 |= X86_CR4_PKE; in calc_supported_cr4_feature_bits()
74 return cr4; in calc_supported_cr4_feature_bits()
84 sregs.cr4 |= cr4; in test_cr_bits()
99 TEST_ASSERT(sregs.cr4 == cr4, "sregs.CR4 (0x%llx) != CR4 (0x%lx)", in test_cr_bits()
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| H A D | sync_regs_test.c | 138 __u64 *cr4 = &run->s.regs.sregs.cr4; in race_sregs_cr4() local
139 __u64 pae_enabled = *cr4; in race_sregs_cr4()
140 __u64 pae_disabled = *cr4 & ~X86_CR4_PAE; in race_sregs_cr4()
144 WRITE_ONCE(*cr4, pae_enabled); in race_sregs_cr4()
148 WRITE_ONCE(*cr4, pae_disabled); in race_sregs_cr4()
178 TEST_ASSERT((run->s.regs.sregs.cr4 & X86_CR4_PAE) && in race_sync_regs()
181 !!(run->s.regs.sregs.cr4 & X86_CR4_PAE), in race_sync_regs()
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| /linux-6.15/arch/x86/kvm/ |
| H A D | smm.c | 30 CHECK_SMRAM32_OFFSET(cr4, 0xFF14); in check_smram_offsets()
220 smram->cr4 = kvm_read_cr4(vcpu); in enter_smm_save_state_32()
423 if (cr4 & X86_CR4_PCIDE) { in rsm_enter_protected_mode()
445 if (cr4 & X86_CR4_PCIDE) { in rsm_enter_protected_mode()
446 bad = kvm_set_cr4(vcpu, cr4); in rsm_enter_protected_mode()
592 unsigned long cr4; in emulator_leave_smm() local
595 cr4 = kvm_read_cr4(vcpu); in emulator_leave_smm()
596 if (cr4 & X86_CR4_PCIDE) in emulator_leave_smm()
614 unsigned long cr4, efer; in emulator_leave_smm() local
617 cr4 = kvm_read_cr4(vcpu); in emulator_leave_smm()
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| H A D | smm.h | 31 u32 cr4; member
127 u64 cr4; member
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| /linux-6.15/drivers/misc/lkdtm/ |
| H A D | bugs.c | 558 unsigned long cr4; in lkdtm_UNSET_SMEP() local
561 cr4 = native_read_cr4(); in lkdtm_UNSET_SMEP()
563 if ((cr4 & X86_CR4_SMEP) != X86_CR4_SMEP) { in lkdtm_UNSET_SMEP()
567 cr4 &= ~(X86_CR4_SMEP); in lkdtm_UNSET_SMEP()
570 native_write_cr4(cr4); in lkdtm_UNSET_SMEP()
571 if (cr4 == native_read_cr4()) { in lkdtm_UNSET_SMEP()
573 cr4 |= X86_CR4_SMEP; in lkdtm_UNSET_SMEP()
575 native_write_cr4(cr4); in lkdtm_UNSET_SMEP()
605 direct_write_cr4(cr4); in lkdtm_UNSET_SMEP()
610 cr4 |= X86_CR4_SMEP; in lkdtm_UNSET_SMEP()
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| /linux-6.15/arch/x86/power/ |
| H A D | hibernate_asm_32.S | 55 jecxz 1f # cr4 Pentium and higher, skip if zero
57 movl %ecx, %cr4; # turn off PGE
89 jecxz 1f # cr4 Pentium and higher, skip if zero
90 movl %ecx, %cr4; # turn PGE back on
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| H A D | hibernate_asm_64.S | 37 movq %rdx, %cr4; # turn off PGE
40 movq %rax, %cr4; # turn PGE back on
129 movq %rcx, %cr4; # turn off PGE
132 movq %rbx, %cr4; # turn PGE back on
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| H A D | cpu.c | 127 ctxt->cr4 = __read_cr4(); in __save_processor_state()
207 if (ctxt->cr4) in __restore_processor_state()
208 __write_cr4(ctxt->cr4); in __restore_processor_state()
212 __write_cr4(ctxt->cr4); in __restore_processor_state()
244 if (ctxt->cr4 & X86_CR4_FRED) { in __restore_processor_state()
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| /linux-6.15/arch/x86/kernel/ |
| H A D | sev_verify_cbit.S | 35 movq %cr4, %rsi
40 movq %rdx, %cr4
71 movq %rsi, %cr4
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| H A D | relocate_kernel_64.S | 85 movq %cr4, %r13
90 movq %r12, %cr4
146 movq %cr4, %rax
148 movq %rax, %cr4
176 movq %r13, %cr4
271 movq %rax, %cr4
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| H A D | process_32.c | 62 unsigned long cr0 = 0L, cr2 = 0L, cr3 = 0L, cr4 = 0L; in __show_regs() local
83 cr4 = __read_cr4(); in __show_regs()
85 log_lvl, cr0, cr2, cr3, cr4); in __show_regs()
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| H A D | relocate_kernel_32.S | 56 movl %cr4, %eax
129 movl %eax, %cr4
207 movl %eax, %cr4
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| H A D | process.c | 689 unsigned long newval, cr4 = this_cpu_read(cpu_tlbstate.cr4); in cr4_toggle_bits_irqsoff() local
691 newval = cr4 ^ mask; in cr4_toggle_bits_irqsoff()
692 if (newval != cr4) { in cr4_toggle_bits_irqsoff()
693 this_cpu_write(cpu_tlbstate.cr4, newval); in cr4_toggle_bits_irqsoff()
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| /linux-6.15/arch/x86/kernel/cpu/mtrr/ |
| H A D | cyrix.c | 135 static u32 cr4, ccr3; variable
143 cr4 = __read_cr4(); in prepare_set()
144 __write_cr4(cr4 & ~X86_CR4_PGE); in prepare_set()
176 __write_cr4(cr4); in post_set()
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| /linux-6.15/arch/x86/kernel/acpi/ |
| H A D | madt_playdead.S | 19 movq %cr4, %rdx
21 movq %rdx, %cr4
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| /linux-6.15/arch/x86/include/asm/ |
| H A D | tlbflush.h | 130 unsigned long cr4; member
181 this_cpu_write(cpu_tlbstate.cr4, __read_cr4()); in cr4_init_shadow()
491 static inline void __native_tlb_flush_global(unsigned long cr4) in __native_tlb_flush_global() argument
493 native_write_cr4(cr4 ^ X86_CR4_PGE); in __native_tlb_flush_global()
494 native_write_cr4(cr4); in __native_tlb_flush_global()
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| H A D | suspend_32.h | 15 unsigned long cr0, cr2, cr3, cr4; member
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| /linux-6.15/arch/x86/mm/ |
| H A D | mem_encrypt_boot.S | 103 mov %cr4, %rdx
105 mov %rdx, %cr4
107 mov %rdx, %cr4
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| /linux-6.15/arch/x86/platform/pvh/ |
| H A D | head.S | 96 mov %cr4, %eax
98 mov %eax, %cr4
219 mov %cr4, %eax
221 mov %eax, %cr4
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| /linux-6.15/include/xen/interface/hvm/ |
| H A D | hvm_vcpu.h | 25 uint32_t cr4; member
88 uint64_t cr4; member
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| /linux-6.15/arch/x86/boot/compressed/ |
| H A D | la57toggle.S | 83 movl %cr4, %eax
85 movl %eax, %cr4
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| H A D | head_64.S | 169 movl %cr4, %eax
171 movl %eax, %cr4
395 movq %cr4, %rax
397 movq %rax, %cr4
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| /linux-6.15/tools/testing/selftests/kvm/lib/x86/ |
| H A D | vmx.c | 119 unsigned long cr4; in prepare_for_vmx_operation() local
131 __asm__ __volatile__("mov %%cr4, %0" : "=r"(cr4) : : "memory"); in prepare_for_vmx_operation()
132 cr4 &= rdmsr(MSR_IA32_VMX_CR4_FIXED1); in prepare_for_vmx_operation()
133 cr4 |= rdmsr(MSR_IA32_VMX_CR4_FIXED0); in prepare_for_vmx_operation()
135 cr4 |= X86_CR4_VMXE; in prepare_for_vmx_operation()
136 __asm__ __volatile__("mov %0, %%cr4" : : "r"(cr4) : "memory"); in prepare_for_vmx_operation()
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| /linux-6.15/arch/x86/platform/olpc/ |
| H A D | xo1-wakeup.S | 30 movl %eax, %cr4
64 movl %cr4, %edx
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| /linux-6.15/arch/x86/kernel/cpu/ |
| H A D | common.c | 451 unsigned long newval, cr4 = this_cpu_read(cpu_tlbstate.cr4); in cr4_update_irqsoff() local
455 newval = (cr4 & ~clear) | set; in cr4_update_irqsoff()
456 if (newval != cr4) { in cr4_update_irqsoff()
457 this_cpu_write(cpu_tlbstate.cr4, newval); in cr4_update_irqsoff()
466 return this_cpu_read(cpu_tlbstate.cr4); in cr4_read_shadow()
472 unsigned long cr4 = __read_cr4(); in cr4_init() local
475 cr4 |= X86_CR4_PCIDE; in cr4_init()
477 cr4 = (cr4 & ~cr4_pinned_mask) | cr4_pinned_bits; in cr4_init()
479 __write_cr4(cr4); in cr4_init()
482 this_cpu_write(cpu_tlbstate.cr4, cr4); in cr4_init()
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