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
34static void __used common(void)
35{
36	BLANK();
37	OFFSET(TASK_threadsp, task_struct, thread.sp);
38#ifdef CONFIG_STACKPROTECTOR
39	OFFSET(TASK_stack_canary, task_struct, stack_canary);
40#endif
41
42	BLANK();
43	OFFSET(pbe_address, pbe, address);
44	OFFSET(pbe_orig_address, pbe, orig_address);
45	OFFSET(pbe_next, pbe, next);
46
47#if defined(CONFIG_X86_32) || defined(CONFIG_IA32_EMULATION)
48	BLANK();
49	OFFSET(IA32_SIGCONTEXT_ax, sigcontext_32, ax);
50	OFFSET(IA32_SIGCONTEXT_bx, sigcontext_32, bx);
51	OFFSET(IA32_SIGCONTEXT_cx, sigcontext_32, cx);
52	OFFSET(IA32_SIGCONTEXT_dx, sigcontext_32, dx);
53	OFFSET(IA32_SIGCONTEXT_si, sigcontext_32, si);
54	OFFSET(IA32_SIGCONTEXT_di, sigcontext_32, di);
55	OFFSET(IA32_SIGCONTEXT_bp, sigcontext_32, bp);
56	OFFSET(IA32_SIGCONTEXT_sp, sigcontext_32, sp);
57	OFFSET(IA32_SIGCONTEXT_ip, sigcontext_32, ip);
58
59	BLANK();
60	OFFSET(IA32_RT_SIGFRAME_sigcontext, rt_sigframe_ia32, uc.uc_mcontext);
61#endif
62
63#ifdef CONFIG_XEN
64	BLANK();
65	OFFSET(XEN_vcpu_info_mask, vcpu_info, evtchn_upcall_mask);
66	OFFSET(XEN_vcpu_info_pending, vcpu_info, evtchn_upcall_pending);
67	OFFSET(XEN_vcpu_info_arch_cr2, vcpu_info, arch.cr2);
68#endif
69
70	BLANK();
71	OFFSET(TDX_MODULE_rcx, tdx_module_args, rcx);
72	OFFSET(TDX_MODULE_rdx, tdx_module_args, rdx);
73	OFFSET(TDX_MODULE_r8,  tdx_module_args, r8);
74	OFFSET(TDX_MODULE_r9,  tdx_module_args, r9);
75	OFFSET(TDX_MODULE_r10, tdx_module_args, r10);
76	OFFSET(TDX_MODULE_r11, tdx_module_args, r11);
77	OFFSET(TDX_MODULE_r12, tdx_module_args, r12);
78	OFFSET(TDX_MODULE_r13, tdx_module_args, r13);
79	OFFSET(TDX_MODULE_r14, tdx_module_args, r14);
80	OFFSET(TDX_MODULE_r15, tdx_module_args, r15);
81	OFFSET(TDX_MODULE_rbx, tdx_module_args, rbx);
82	OFFSET(TDX_MODULE_rdi, tdx_module_args, rdi);
83	OFFSET(TDX_MODULE_rsi, tdx_module_args, rsi);
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	OFFSET(X86_current_task, pcpu_hot, current_task);
112#ifdef CONFIG_MITIGATION_CALL_DEPTH_TRACKING
113	OFFSET(X86_call_depth, pcpu_hot, call_depth);
114#endif
115#if IS_ENABLED(CONFIG_CRYPTO_ARIA_AESNI_AVX_X86_64)
116	/* Offset for fields in aria_ctx */
117	BLANK();
118	OFFSET(ARIA_CTX_enc_key, aria_ctx, enc_key);
119	OFFSET(ARIA_CTX_dec_key, aria_ctx, dec_key);
120	OFFSET(ARIA_CTX_rounds, aria_ctx, rounds);
121#endif
122
123}
124