1 // SPDX-License-Identifier: GPL-2.0 2 /* 3 * Generate definitions needed by assembly language modules. 4 * This code generates raw asm output which is post-processed to extract 5 * and format the required data. 6 */ 7 #define COMPILE_OFFSETS 8 9 #include <linux/crypto.h> 10 #include <linux/sched.h> 11 #include <linux/stddef.h> 12 #include <linux/hardirq.h> 13 #include <linux/suspend.h> 14 #include <linux/kbuild.h> 15 #include <asm/processor.h> 16 #include <asm/thread_info.h> 17 #include <asm/sigframe.h> 18 #include <asm/bootparam.h> 19 #include <asm/suspend.h> 20 #include <asm/tlbflush.h> 21 #include <asm/tdx.h> 22 23 #ifdef CONFIG_XEN 24 #include <xen/interface/xen.h> 25 #endif 26 27 #ifdef CONFIG_X86_32 28 # include "asm-offsets_32.c" 29 #else 30 # include "asm-offsets_64.c" 31 #endif 32 33 static void __used common(void) 34 { 35 BLANK(); 36 OFFSET(TASK_threadsp, task_struct, thread.sp); 37 #ifdef CONFIG_STACKPROTECTOR 38 OFFSET(TASK_stack_canary, task_struct, stack_canary); 39 #endif 40 41 BLANK(); 42 OFFSET(pbe_address, pbe, address); 43 OFFSET(pbe_orig_address, pbe, orig_address); 44 OFFSET(pbe_next, pbe, next); 45 46 #if defined(CONFIG_X86_32) || defined(CONFIG_IA32_EMULATION) 47 BLANK(); 48 OFFSET(IA32_SIGCONTEXT_ax, sigcontext_32, ax); 49 OFFSET(IA32_SIGCONTEXT_bx, sigcontext_32, bx); 50 OFFSET(IA32_SIGCONTEXT_cx, sigcontext_32, cx); 51 OFFSET(IA32_SIGCONTEXT_dx, sigcontext_32, dx); 52 OFFSET(IA32_SIGCONTEXT_si, sigcontext_32, si); 53 OFFSET(IA32_SIGCONTEXT_di, sigcontext_32, di); 54 OFFSET(IA32_SIGCONTEXT_bp, sigcontext_32, bp); 55 OFFSET(IA32_SIGCONTEXT_sp, sigcontext_32, sp); 56 OFFSET(IA32_SIGCONTEXT_ip, sigcontext_32, ip); 57 58 BLANK(); 59 OFFSET(IA32_RT_SIGFRAME_sigcontext, rt_sigframe_ia32, uc.uc_mcontext); 60 #endif 61 62 #ifdef CONFIG_XEN 63 BLANK(); 64 OFFSET(XEN_vcpu_info_mask, vcpu_info, evtchn_upcall_mask); 65 OFFSET(XEN_vcpu_info_pending, vcpu_info, evtchn_upcall_pending); 66 OFFSET(XEN_vcpu_info_arch_cr2, vcpu_info, arch.cr2); 67 #endif 68 69 BLANK(); 70 OFFSET(TDX_MODULE_rcx, tdx_module_output, rcx); 71 OFFSET(TDX_MODULE_rdx, tdx_module_output, rdx); 72 OFFSET(TDX_MODULE_r8, tdx_module_output, r8); 73 OFFSET(TDX_MODULE_r9, tdx_module_output, r9); 74 OFFSET(TDX_MODULE_r10, tdx_module_output, r10); 75 OFFSET(TDX_MODULE_r11, tdx_module_output, r11); 76 77 BLANK(); 78 OFFSET(TDX_HYPERCALL_r10, tdx_hypercall_args, r10); 79 OFFSET(TDX_HYPERCALL_r11, tdx_hypercall_args, r11); 80 OFFSET(TDX_HYPERCALL_r12, tdx_hypercall_args, r12); 81 OFFSET(TDX_HYPERCALL_r13, tdx_hypercall_args, r13); 82 OFFSET(TDX_HYPERCALL_r14, tdx_hypercall_args, r14); 83 OFFSET(TDX_HYPERCALL_r15, tdx_hypercall_args, r15); 84 85 BLANK(); 86 OFFSET(BP_scratch, boot_params, scratch); 87 OFFSET(BP_secure_boot, boot_params, secure_boot); 88 OFFSET(BP_loadflags, boot_params, hdr.loadflags); 89 OFFSET(BP_hardware_subarch, boot_params, hdr.hardware_subarch); 90 OFFSET(BP_version, boot_params, hdr.version); 91 OFFSET(BP_kernel_alignment, boot_params, hdr.kernel_alignment); 92 OFFSET(BP_init_size, boot_params, hdr.init_size); 93 OFFSET(BP_pref_address, boot_params, hdr.pref_address); 94 95 BLANK(); 96 DEFINE(PTREGS_SIZE, sizeof(struct pt_regs)); 97 98 /* TLB state for the entry code */ 99 OFFSET(TLB_STATE_user_pcid_flush_mask, tlb_state, user_pcid_flush_mask); 100 101 /* Layout info for cpu_entry_area */ 102 OFFSET(CPU_ENTRY_AREA_entry_stack, cpu_entry_area, entry_stack_page); 103 DEFINE(SIZEOF_entry_stack, sizeof(struct entry_stack)); 104 DEFINE(MASK_entry_stack, (~(sizeof(struct entry_stack) - 1))); 105 106 /* Offset for fields in tss_struct */ 107 OFFSET(TSS_sp0, tss_struct, x86_tss.sp0); 108 OFFSET(TSS_sp1, tss_struct, x86_tss.sp1); 109 OFFSET(TSS_sp2, tss_struct, x86_tss.sp2); 110 OFFSET(X86_top_of_stack, pcpu_hot, top_of_stack); 111 #ifdef CONFIG_CALL_DEPTH_TRACKING 112 OFFSET(X86_call_depth, pcpu_hot, call_depth); 113 #endif 114 115 } 116