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Searched refs:gdt (Results 1 - 25 of 57) sorted by relevance

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/kernel/linux/linux-5.10/arch/x86/include/asm/
H A Ddesc.h44 struct desc_struct gdt[GDT_ENTRIES]; member
52 return per_cpu(gdt_page, cpu).gdt; in get_cpu_gdt_rw()
58 return this_cpu_ptr(&gdt_page)->gdt; in get_current_gdt_rw()
64 return (struct desc_struct *)&get_cpu_entry_area(cpu)->gdt; in get_cpu_gdt_ro()
147 native_write_gdt_entry(struct desc_struct *gdt, int entry, const void *desc, int type) in native_write_gdt_entry() argument
154 default: size = sizeof(*gdt); break; in native_write_gdt_entry()
157 memcpy(&gdt[entry], desc, size); in native_write_gdt_entry()
235 struct desc_ptr gdt; in native_load_tr_desc() local
240 native_store_gdt(&gdt); in native_load_tr_desc()
247 if (gdt in native_load_tr_desc()
273 struct desc_struct *gdt = get_cpu_gdt_rw(cpu); native_load_tls() local
[all...]
/kernel/linux/linux-5.10/arch/x86/boot/
H A Dpm.c82 static struct gdt_ptr gdt; in setup_gdt() local
84 gdt.len = sizeof(boot_gdt)-1; in setup_gdt()
85 gdt.ptr = (u32)&boot_gdt + (ds() << 4); in setup_gdt()
87 asm volatile("lgdtl %0" : : "m" (gdt)); in setup_gdt()
/kernel/linux/linux-6.6/arch/x86/boot/
H A Dpm.c82 static struct gdt_ptr gdt; in setup_gdt() local
84 gdt.len = sizeof(boot_gdt)-1; in setup_gdt()
85 gdt.ptr = (u32)&boot_gdt + (ds() << 4); in setup_gdt()
87 asm volatile("lgdtl %0" : : "m" (gdt)); in setup_gdt()
/kernel/linux/linux-5.10/arch/x86/purgatory/
H A Dentry64.S18 /* Setup a gdt that should be preserved */
19 lgdt gdt(%rip)
84 SYM_DATA_START_LOCAL(gdt)
88 * so use them as gdt ptr
90 .word gdt_end - gdt - 1
91 .quad gdt
99 SYM_DATA_END_LABEL(gdt, SYM_L_LOCAL, gdt_end)
/kernel/linux/linux-6.6/arch/x86/boot/compressed/
H A Dhead_32.S64 leal gdt@GOTOFF(%edx), %eax
129 leal gdt@GOTOFF(%ebx), %eax
172 SYM_DATA_START_LOCAL(gdt)
173 .word gdt_end - gdt - 1
179 SYM_DATA_END_LABEL(gdt, SYM_L_LOCAL, gdt_end)
H A Dhead_64.S107 leal rva(gdt)(%ebp), %eax
244 /* After gdt is loaded */
261 * the new gdt/idt that has __KERNEL_CS with CS.L = 1.
436 leaq rva(gdt)(%rbx), %rdx
597 .word gdt_end - gdt - 1
598 .quad gdt - gdt64
601 SYM_DATA_START_LOCAL(gdt)
602 .word gdt_end - gdt - 1
610 SYM_DATA_END_LABEL(gdt, SYM_L_LOCAL, gdt_end)
/kernel/linux/linux-6.6/arch/x86/purgatory/
H A Dentry64.S18 /* Setup a gdt that should be preserved */
19 lgdt gdt(%rip)
84 SYM_DATA_START_LOCAL(gdt)
88 * so use them as gdt ptr
90 .word gdt_end - gdt - 1
91 .quad gdt
99 SYM_DATA_END_LABEL(gdt, SYM_L_LOCAL, gdt_end)
/kernel/linux/linux-6.6/arch/x86/include/asm/
H A Ddesc.h45 struct desc_struct gdt[GDT_ENTRIES]; member
53 return per_cpu(gdt_page, cpu).gdt; in get_cpu_gdt_rw()
59 return this_cpu_ptr(&gdt_page)->gdt; in get_current_gdt_rw()
65 return (struct desc_struct *)&get_cpu_entry_area(cpu)->gdt; in get_cpu_gdt_ro()
148 native_write_gdt_entry(struct desc_struct *gdt, int entry, const void *desc, int type) in native_write_gdt_entry() argument
155 default: size = sizeof(*gdt); break; in native_write_gdt_entry()
158 memcpy(&gdt[entry], desc, size); in native_write_gdt_entry()
256 struct desc_ptr gdt; in native_load_tr_desc() local
261 native_store_gdt(&gdt); in native_load_tr_desc()
268 if (gdt in native_load_tr_desc()
294 struct desc_struct *gdt = get_cpu_gdt_rw(cpu); native_load_tls() local
[all...]
/kernel/linux/linux-5.10/drivers/pnp/pnpbios/
H A Dbioscalls.c58 struct desc_struct *gdt = get_cpu_gdt_rw((cpu)); \
59 set_desc_base(&gdt[(selname) >> 3], (u32)(address)); \
60 set_desc_limit(&gdt[(selname) >> 3], (size) - 1); \
481 struct desc_struct *gdt = get_cpu_gdt_rw(i); in pnpbios_calls_init() local
482 if (!gdt) in pnpbios_calls_init()
484 set_desc_base(&gdt[GDT_ENTRY_PNPBIOS_CS32], in pnpbios_calls_init()
486 set_desc_base(&gdt[GDT_ENTRY_PNPBIOS_CS16], in pnpbios_calls_init()
488 set_desc_base(&gdt[GDT_ENTRY_PNPBIOS_DS], in pnpbios_calls_init()
/kernel/linux/linux-6.6/drivers/pnp/pnpbios/
H A Dbioscalls.c58 struct desc_struct *gdt = get_cpu_gdt_rw((cpu)); \
59 set_desc_base(&gdt[(selname) >> 3], (u32)(address)); \
60 set_desc_limit(&gdt[(selname) >> 3], (size) - 1); \
480 struct desc_struct *gdt = get_cpu_gdt_rw(i); in pnpbios_calls_init() local
481 if (!gdt) in pnpbios_calls_init()
483 set_desc_base(&gdt[GDT_ENTRY_PNPBIOS_CS32], in pnpbios_calls_init()
485 set_desc_base(&gdt[GDT_ENTRY_PNPBIOS_CS16], in pnpbios_calls_init()
487 set_desc_base(&gdt[GDT_ENTRY_PNPBIOS_DS], in pnpbios_calls_init()
/kernel/linux/linux-5.10/arch/x86/boot/compressed/
H A Dhead_32.S64 leal gdt@GOTOFF(%edx), %eax
142 leal gdt@GOTOFF(%ebx), %eax
203 SYM_DATA_START_LOCAL(gdt)
204 .word gdt_end - gdt - 1
210 SYM_DATA_END_LABEL(gdt, SYM_L_LOCAL, gdt_end)
H A Dhead_64.S98 leal rva(gdt)(%ebp), %eax
235 /* After gdt is loaded */
247 * the new gdt/idt that has __KERNEL_CS with CS.L = 1.
529 leaq rva(gdt)(%rbx), %rdx
699 .word gdt_end - gdt - 1
700 .quad gdt - gdt64
703 SYM_DATA_START_LOCAL(gdt)
704 .word gdt_end - gdt - 1
712 SYM_DATA_END_LABEL(gdt, SYM_L_LOCAL, gdt_end)
/kernel/linux/linux-6.6/drivers/firmware/efi/libstub/
H A Dx86-5lvl.c15 static const struct desc_struct gdt[] = { variable
92 native_load_gdt(&(struct desc_ptr){ sizeof(gdt) - 1, (u64)gdt }); in efi_5level_switch()
/kernel/linux/linux-6.6/arch/x86/platform/pvh/
H A Dhead.S56 lgdt (_pa(gdt))
143 SYM_DATA_START_LOCAL(gdt)
147 SYM_DATA_END(gdt)
/kernel/linux/linux-6.6/arch/x86/hyperv/
H A Dhv_vtl.c80 struct desc_struct *gdt; in hv_vtl_bringup_vcpu() local
90 gdt = (struct desc_struct *)((void *)(gdt_ptr.address)); in hv_vtl_bringup_vcpu()
91 tss = (struct ldttss_desc *)(gdt + GDT_ENTRY_TSS); in hv_vtl_bringup_vcpu()
92 ldt = (struct ldttss_desc *)(gdt + GDT_ENTRY_LDT); in hv_vtl_bringup_vcpu()
/kernel/linux/linux-5.10/arch/x86/xen/
H A Dsmp_pv.c196 /* We've switched to the "real" per-cpu gdt, so make in xen_pv_smp_prepare_boot_cpu()
265 struct desc_struct *gdt; in cpu_initialize_context() local
277 gdt = get_cpu_gdt_rw(cpu); in cpu_initialize_context()
299 BUG_ON((unsigned long)gdt & ~PAGE_MASK); in cpu_initialize_context()
301 gdt_mfn = arbitrary_virt_to_mfn(gdt); in cpu_initialize_context()
302 make_lowmem_page_readonly(gdt); in cpu_initialize_context()
436 /* should set up a minimal gdt */ in stop_self()
/kernel/linux/linux-6.6/arch/x86/xen/
H A Dsmp_pv.c195 /* We've switched to the "real" per-cpu gdt, so make in xen_pv_smp_prepare_boot_cpu()
256 struct desc_struct *gdt; in cpu_initialize_context() local
268 gdt = get_cpu_gdt_rw(cpu); in cpu_initialize_context()
286 BUG_ON((unsigned long)gdt & ~PAGE_MASK); in cpu_initialize_context()
288 gdt_mfn = arbitrary_virt_to_mfn(gdt); in cpu_initialize_context()
289 make_lowmem_page_readonly(gdt); in cpu_initialize_context()
416 /* should set up a minimal gdt */ in stop_self()
/kernel/linux/linux-5.10/arch/x86/kernel/
H A Dapm_32.c593 struct desc_struct *gdt; in __apm_bios_call() local
598 gdt = get_cpu_gdt_rw(cpu); in __apm_bios_call()
599 save_desc_40 = gdt[0x40 / 8]; in __apm_bios_call()
600 gdt[0x40 / 8] = bad_bios_desc; in __apm_bios_call()
611 gdt[0x40 / 8] = save_desc_40; in __apm_bios_call()
671 struct desc_struct *gdt; in __apm_bios_call_simple() local
676 gdt = get_cpu_gdt_rw(cpu); in __apm_bios_call_simple()
677 save_desc_40 = gdt[0x40 / 8]; in __apm_bios_call_simple()
678 gdt[0x40 / 8] = bad_bios_desc; in __apm_bios_call_simple()
688 gdt[ in __apm_bios_call_simple()
2248 struct desc_struct *gdt; apm_init() local
[all...]
/kernel/linux/linux-6.6/arch/x86/kernel/
H A Dapm_32.c594 struct desc_struct *gdt; in __apm_bios_call() local
600 gdt = get_cpu_gdt_rw(cpu); in __apm_bios_call()
601 save_desc_40 = gdt[0x40 / 8]; in __apm_bios_call()
602 gdt[0x40 / 8] = bad_bios_desc; in __apm_bios_call()
615 gdt[0x40 / 8] = save_desc_40; in __apm_bios_call()
675 struct desc_struct *gdt; in __apm_bios_call_simple() local
681 gdt = get_cpu_gdt_rw(cpu); in __apm_bios_call_simple()
682 save_desc_40 = gdt[0x40 / 8]; in __apm_bios_call_simple()
683 gdt[0x40 / 8] = bad_bios_desc; in __apm_bios_call_simple()
695 gdt[ in __apm_bios_call_simple()
2255 struct desc_struct *gdt; apm_init() local
[all...]
/kernel/linux/linux-5.10/arch/x86/platform/pvh/
H A Dhead.S56 lgdt (_pa(gdt))
153 SYM_DATA_START_LOCAL(gdt)
157 SYM_DATA_END(gdt)
/kernel/linux/linux-5.10/tools/testing/selftests/kvm/include/x86_64/
H A Dprocessor.h230 struct desc_ptr gdt; in get_gdt() local
231 __asm__ __volatile__("sgdt %[gdt]" in get_gdt()
232 : /* output */ [gdt]"=m"(gdt)); in get_gdt()
233 return gdt; in get_gdt()
/kernel/linux/linux-5.10/arch/x86/mm/
H A Dfault.c482 static void show_ldttss(const struct desc_ptr *gdt, const char *name, u16 index) in show_ldttss() argument
493 if (offset + sizeof(struct ldttss_desc) >= gdt->size) { in show_ldttss()
498 if (copy_from_kernel_nofault(&desc, (void *)(gdt->address + offset), in show_ldttss()
559 struct desc_ptr idt, gdt; in show_fault_oops() local
575 native_store_gdt(&gdt); in show_fault_oops()
578 idt.address, idt.size, gdt.address, gdt.size); in show_fault_oops()
581 show_ldttss(&gdt, "LDTR", ldtr); in show_fault_oops()
584 show_ldttss(&gdt, "TR", tr); in show_fault_oops()
/kernel/linux/linux-6.6/arch/x86/mm/
H A Dfault.c476 static void show_ldttss(const struct desc_ptr *gdt, const char *name, u16 index) in show_ldttss() argument
487 if (offset + sizeof(struct ldttss_desc) >= gdt->size) { in show_ldttss()
492 if (copy_from_kernel_nofault(&desc, (void *)(gdt->address + offset), in show_ldttss()
553 struct desc_ptr idt, gdt; in show_fault_oops() local
569 native_store_gdt(&gdt); in show_fault_oops()
572 idt.address, idt.size, gdt.address, gdt.size); in show_fault_oops()
575 show_ldttss(&gdt, "LDTR", ldtr); in show_fault_oops()
578 show_ldttss(&gdt, "TR", tr); in show_fault_oops()
/kernel/linux/linux-6.6/arch/x86/realmode/rm/
H A Dtrampoline_64.S85 lgdtl tr_gdt # load gdt with whatever is appropriate
186 * the new gdt/idt that has __KERNEL_CS with CS.L = 1.
231 .short tr_gdt_end - tr_gdt - 1 # gdt limit
240 .short tr_gdt_end - tr_gdt - 1 # gdt limit
/kernel/linux/linux-5.10/arch/x86/kernel/acpi/
H A Dwakeup_32.S22 # reload the gdt, as we need the full 32 bit address
31 # and restore the stack ... but you need gdt for this to work

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