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 <crypto/aria.h> 11 #include <linux/sched.h> 12 #include <linux/stddef.h> 13 #include <linux/hardirq.h> 14 #include <linux/suspend.h> 15 #include <linux/kbuild.h> 16 #include <asm/processor.h> 17 #include <asm/thread_info.h> 18 #include <asm/sigframe.h> 19 #include <asm/bootparam.h> 20 #include <asm/suspend.h> 21 #include <asm/tlbflush.h> 22 #include <asm/tdx.h> 23 24 #ifdef CONFIG_XEN 25 #include <xen/interface/xen.h> 26 #endif 27 28 #ifdef CONFIG_X86_32 29 # include "asm-offsets_32.c" 30 #else 31 # include "asm-offsets_64.c" 32 #endif 33 34 static void __used common(void) 35 { 36 OFFSET(CPUINFO_x86, cpuinfo_x86, x86); 37 OFFSET(CPUINFO_x86_vendor, cpuinfo_x86, x86_vendor); 38 OFFSET(CPUINFO_x86_model, cpuinfo_x86, x86_model); 39 OFFSET(CPUINFO_x86_stepping, cpuinfo_x86, x86_stepping); 40 OFFSET(CPUINFO_cpuid_level, cpuinfo_x86, cpuid_level); 41 OFFSET(CPUINFO_x86_capability, cpuinfo_x86, x86_capability); 42 OFFSET(CPUINFO_x86_vendor_id, cpuinfo_x86, x86_vendor_id); 43 44 BLANK(); 45 OFFSET(TASK_threadsp, task_struct, thread.sp); 46 #ifdef CONFIG_STACKPROTECTOR 47 OFFSET(TASK_stack_canary, task_struct, stack_canary); 48 #endif 49 50 BLANK(); 51 OFFSET(pbe_address, pbe, address); 52 OFFSET(pbe_orig_address, pbe, orig_address); 53 OFFSET(pbe_next, pbe, next); 54 55 #if defined(CONFIG_X86_32) || defined(CONFIG_IA32_EMULATION) 56 BLANK(); 57 OFFSET(IA32_SIGCONTEXT_ax, sigcontext_32, ax); 58 OFFSET(IA32_SIGCONTEXT_bx, sigcontext_32, bx); 59 OFFSET(IA32_SIGCONTEXT_cx, sigcontext_32, cx); 60 OFFSET(IA32_SIGCONTEXT_dx, sigcontext_32, dx); 61 OFFSET(IA32_SIGCONTEXT_si, sigcontext_32, si); 62 OFFSET(IA32_SIGCONTEXT_di, sigcontext_32, di); 63 OFFSET(IA32_SIGCONTEXT_bp, sigcontext_32, bp); 64 OFFSET(IA32_SIGCONTEXT_sp, sigcontext_32, sp); 65 OFFSET(IA32_SIGCONTEXT_ip, sigcontext_32, ip); 66 OFFSET(IA32_SIGCONTEXT_es, sigcontext_32, es); 67 OFFSET(IA32_SIGCONTEXT_cs, sigcontext_32, cs); 68 OFFSET(IA32_SIGCONTEXT_ss, sigcontext_32, ss); 69 OFFSET(IA32_SIGCONTEXT_ds, sigcontext_32, ds); 70 OFFSET(IA32_SIGCONTEXT_flags, sigcontext_32, flags); 71 72 BLANK(); 73 OFFSET(IA32_SIGFRAME_sigcontext, sigframe_ia32, sc); 74 OFFSET(IA32_RT_SIGFRAME_sigcontext, rt_sigframe_ia32, uc.uc_mcontext); 75 #endif 76 77 #ifdef CONFIG_XEN 78 BLANK(); 79 OFFSET(XEN_vcpu_info_mask, vcpu_info, evtchn_upcall_mask); 80 OFFSET(XEN_vcpu_info_pending, vcpu_info, evtchn_upcall_pending); 81 OFFSET(XEN_vcpu_info_arch_cr2, vcpu_info, arch.cr2); 82 #endif 83 84 BLANK(); 85 OFFSET(TDX_MODULE_rcx, tdx_module_args, rcx); 86 OFFSET(TDX_MODULE_rdx, tdx_module_args, rdx); 87 OFFSET(TDX_MODULE_r8, tdx_module_args, r8); 88 OFFSET(TDX_MODULE_r9, tdx_module_args, r9); 89 OFFSET(TDX_MODULE_r10, tdx_module_args, r10); 90 OFFSET(TDX_MODULE_r11, tdx_module_args, r11); 91 OFFSET(TDX_MODULE_r12, tdx_module_args, r12); 92 OFFSET(TDX_MODULE_r13, tdx_module_args, r13); 93 OFFSET(TDX_MODULE_r14, tdx_module_args, r14); 94 OFFSET(TDX_MODULE_r15, tdx_module_args, r15); 95 OFFSET(TDX_MODULE_rbx, tdx_module_args, rbx); 96 OFFSET(TDX_MODULE_rdi, tdx_module_args, rdi); 97 OFFSET(TDX_MODULE_rsi, tdx_module_args, rsi); 98 99 BLANK(); 100 OFFSET(BP_scratch, boot_params, scratch); 101 OFFSET(BP_secure_boot, boot_params, secure_boot); 102 OFFSET(BP_loadflags, boot_params, hdr.loadflags); 103 OFFSET(BP_hardware_subarch, boot_params, hdr.hardware_subarch); 104 OFFSET(BP_version, boot_params, hdr.version); 105 OFFSET(BP_kernel_alignment, boot_params, hdr.kernel_alignment); 106 OFFSET(BP_init_size, boot_params, hdr.init_size); 107 OFFSET(BP_pref_address, boot_params, hdr.pref_address); 108 109 BLANK(); 110 DEFINE(PTREGS_SIZE, sizeof(struct pt_regs)); 111 OFFSET(C_PTREGS_SIZE, pt_regs, orig_ax); 112 113 /* TLB state for the entry code */ 114 OFFSET(TLB_STATE_user_pcid_flush_mask, tlb_state, user_pcid_flush_mask); 115 116 /* Layout info for cpu_entry_area */ 117 OFFSET(CPU_ENTRY_AREA_entry_stack, cpu_entry_area, entry_stack_page); 118 DEFINE(SIZEOF_entry_stack, sizeof(struct entry_stack)); 119 DEFINE(MASK_entry_stack, (~(sizeof(struct entry_stack) - 1))); 120 121 /* Offset for fields in tss_struct */ 122 OFFSET(TSS_sp0, tss_struct, x86_tss.sp0); 123 OFFSET(TSS_sp1, tss_struct, x86_tss.sp1); 124 OFFSET(TSS_sp2, tss_struct, x86_tss.sp2); 125 #if IS_ENABLED(CONFIG_CRYPTO_ARIA_AESNI_AVX_X86_64) 126 /* Offset for fields in aria_ctx */ 127 BLANK(); 128 OFFSET(ARIA_CTX_enc_key, aria_ctx, enc_key); 129 OFFSET(ARIA_CTX_dec_key, aria_ctx, dec_key); 130 OFFSET(ARIA_CTX_rounds, aria_ctx, rounds); 131 #endif 132 133 BLANK(); 134 DEFINE(ALT_INSTR_SIZE, sizeof(struct alt_instr)); 135 DEFINE(EXTABLE_SIZE, sizeof(struct exception_table_entry)); 136 } 137