1 // SPDX-License-Identifier: GPL-2.0 2 #ifndef __LINUX_KBUILD_H 3 # error "Please do not build this file directly, build asm-offsets.c instead" 4 #endif 5 6 #include <linux/efi.h> 7 8 #include <asm/ucontext.h> 9 10 /* workaround for a warning with -Wmissing-prototypes */ 11 void foo(void); 12 13 void foo(void) 14 { 15 OFFSET(CPUINFO_x86, cpuinfo_x86, x86); 16 OFFSET(CPUINFO_x86_vendor, cpuinfo_x86, x86_vendor); 17 OFFSET(CPUINFO_x86_model, cpuinfo_x86, x86_model); 18 OFFSET(CPUINFO_x86_stepping, cpuinfo_x86, x86_stepping); 19 OFFSET(CPUINFO_cpuid_level, cpuinfo_x86, cpuid_level); 20 OFFSET(CPUINFO_x86_capability, cpuinfo_x86, x86_capability); 21 OFFSET(CPUINFO_x86_vendor_id, cpuinfo_x86, x86_vendor_id); 22 BLANK(); 23 24 OFFSET(PT_EBX, pt_regs, bx); 25 OFFSET(PT_ECX, pt_regs, cx); 26 OFFSET(PT_EDX, pt_regs, dx); 27 OFFSET(PT_ESI, pt_regs, si); 28 OFFSET(PT_EDI, pt_regs, di); 29 OFFSET(PT_EBP, pt_regs, bp); 30 OFFSET(PT_EAX, pt_regs, ax); 31 OFFSET(PT_DS, pt_regs, ds); 32 OFFSET(PT_ES, pt_regs, es); 33 OFFSET(PT_FS, pt_regs, fs); 34 OFFSET(PT_GS, pt_regs, gs); 35 OFFSET(PT_ORIG_EAX, pt_regs, orig_ax); 36 OFFSET(PT_EIP, pt_regs, ip); 37 OFFSET(PT_CS, pt_regs, cs); 38 OFFSET(PT_EFLAGS, pt_regs, flags); 39 OFFSET(PT_OLDESP, pt_regs, sp); 40 OFFSET(PT_OLDSS, pt_regs, ss); 41 BLANK(); 42 43 OFFSET(saved_context_gdt_desc, saved_context, gdt_desc); 44 BLANK(); 45 46 /* 47 * Offset from the entry stack to task stack stored in TSS. Kernel entry 48 * happens on the per-cpu entry-stack, and the asm code switches to the 49 * task-stack pointer stored in x86_tss.sp1, which is a copy of 50 * task->thread.sp0 where entry code can find it. 51 */ 52 DEFINE(TSS_entry2task_stack, 53 offsetof(struct cpu_entry_area, tss.x86_tss.sp1) - 54 offsetofend(struct cpu_entry_area, entry_stack_page.stack)); 55 56 BLANK(); 57 DEFINE(EFI_svam, offsetof(efi_runtime_services_t, set_virtual_address_map)); 58 } 59