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5fa31af31e
Step 3/10 of the namespace unification of CPU mitigations related Kconfig options. Suggested-by: Josh Poimboeuf <jpoimboe@kernel.org> Signed-off-by: Breno Leitao <leitao@debian.org> Signed-off-by: Ingo Molnar <mingo@kernel.org> Acked-by: Josh Poimboeuf <jpoimboe@kernel.org> Cc: Linus Torvalds <torvalds@linux-foundation.org> Link: https://lore.kernel.org/r/20231121160740.1249350-4-leitao@debian.org
124 lines
3.8 KiB
C
124 lines
3.8 KiB
C
// SPDX-License-Identifier: GPL-2.0
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/*
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* Generate definitions needed by assembly language modules.
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* This code generates raw asm output which is post-processed to extract
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* and format the required data.
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*/
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#define COMPILE_OFFSETS
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#include <linux/crypto.h>
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#include <crypto/aria.h>
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#include <linux/sched.h>
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#include <linux/stddef.h>
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#include <linux/hardirq.h>
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#include <linux/suspend.h>
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#include <linux/kbuild.h>
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#include <asm/processor.h>
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#include <asm/thread_info.h>
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#include <asm/sigframe.h>
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#include <asm/bootparam.h>
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#include <asm/suspend.h>
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#include <asm/tlbflush.h>
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#include <asm/tdx.h>
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#ifdef CONFIG_XEN
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#include <xen/interface/xen.h>
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#endif
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#ifdef CONFIG_X86_32
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# include "asm-offsets_32.c"
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#else
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# include "asm-offsets_64.c"
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#endif
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static void __used common(void)
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{
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BLANK();
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OFFSET(TASK_threadsp, task_struct, thread.sp);
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#ifdef CONFIG_STACKPROTECTOR
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OFFSET(TASK_stack_canary, task_struct, stack_canary);
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#endif
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BLANK();
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OFFSET(pbe_address, pbe, address);
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OFFSET(pbe_orig_address, pbe, orig_address);
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OFFSET(pbe_next, pbe, next);
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#if defined(CONFIG_X86_32) || defined(CONFIG_IA32_EMULATION)
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BLANK();
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OFFSET(IA32_SIGCONTEXT_ax, sigcontext_32, ax);
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OFFSET(IA32_SIGCONTEXT_bx, sigcontext_32, bx);
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OFFSET(IA32_SIGCONTEXT_cx, sigcontext_32, cx);
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OFFSET(IA32_SIGCONTEXT_dx, sigcontext_32, dx);
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OFFSET(IA32_SIGCONTEXT_si, sigcontext_32, si);
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OFFSET(IA32_SIGCONTEXT_di, sigcontext_32, di);
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OFFSET(IA32_SIGCONTEXT_bp, sigcontext_32, bp);
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OFFSET(IA32_SIGCONTEXT_sp, sigcontext_32, sp);
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OFFSET(IA32_SIGCONTEXT_ip, sigcontext_32, ip);
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BLANK();
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OFFSET(IA32_RT_SIGFRAME_sigcontext, rt_sigframe_ia32, uc.uc_mcontext);
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#endif
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#ifdef CONFIG_XEN
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BLANK();
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OFFSET(XEN_vcpu_info_mask, vcpu_info, evtchn_upcall_mask);
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OFFSET(XEN_vcpu_info_pending, vcpu_info, evtchn_upcall_pending);
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OFFSET(XEN_vcpu_info_arch_cr2, vcpu_info, arch.cr2);
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#endif
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BLANK();
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OFFSET(TDX_MODULE_rcx, tdx_module_args, rcx);
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OFFSET(TDX_MODULE_rdx, tdx_module_args, rdx);
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OFFSET(TDX_MODULE_r8, tdx_module_args, r8);
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OFFSET(TDX_MODULE_r9, tdx_module_args, r9);
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OFFSET(TDX_MODULE_r10, tdx_module_args, r10);
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OFFSET(TDX_MODULE_r11, tdx_module_args, r11);
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OFFSET(TDX_MODULE_r12, tdx_module_args, r12);
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OFFSET(TDX_MODULE_r13, tdx_module_args, r13);
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OFFSET(TDX_MODULE_r14, tdx_module_args, r14);
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OFFSET(TDX_MODULE_r15, tdx_module_args, r15);
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OFFSET(TDX_MODULE_rbx, tdx_module_args, rbx);
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OFFSET(TDX_MODULE_rdi, tdx_module_args, rdi);
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OFFSET(TDX_MODULE_rsi, tdx_module_args, rsi);
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BLANK();
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OFFSET(BP_scratch, boot_params, scratch);
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OFFSET(BP_secure_boot, boot_params, secure_boot);
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OFFSET(BP_loadflags, boot_params, hdr.loadflags);
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OFFSET(BP_hardware_subarch, boot_params, hdr.hardware_subarch);
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OFFSET(BP_version, boot_params, hdr.version);
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OFFSET(BP_kernel_alignment, boot_params, hdr.kernel_alignment);
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OFFSET(BP_init_size, boot_params, hdr.init_size);
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OFFSET(BP_pref_address, boot_params, hdr.pref_address);
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BLANK();
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DEFINE(PTREGS_SIZE, sizeof(struct pt_regs));
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/* TLB state for the entry code */
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OFFSET(TLB_STATE_user_pcid_flush_mask, tlb_state, user_pcid_flush_mask);
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/* Layout info for cpu_entry_area */
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OFFSET(CPU_ENTRY_AREA_entry_stack, cpu_entry_area, entry_stack_page);
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DEFINE(SIZEOF_entry_stack, sizeof(struct entry_stack));
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DEFINE(MASK_entry_stack, (~(sizeof(struct entry_stack) - 1)));
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/* Offset for fields in tss_struct */
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OFFSET(TSS_sp0, tss_struct, x86_tss.sp0);
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OFFSET(TSS_sp1, tss_struct, x86_tss.sp1);
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OFFSET(TSS_sp2, tss_struct, x86_tss.sp2);
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OFFSET(X86_top_of_stack, pcpu_hot, top_of_stack);
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OFFSET(X86_current_task, pcpu_hot, current_task);
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#ifdef CONFIG_MITIGATION_CALL_DEPTH_TRACKING
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OFFSET(X86_call_depth, pcpu_hot, call_depth);
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#endif
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#if IS_ENABLED(CONFIG_CRYPTO_ARIA_AESNI_AVX_X86_64)
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/* Offset for fields in aria_ctx */
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BLANK();
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OFFSET(ARIA_CTX_enc_key, aria_ctx, enc_key);
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OFFSET(ARIA_CTX_dec_key, aria_ctx, dec_key);
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OFFSET(ARIA_CTX_rounds, aria_ctx, rounds);
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#endif
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}
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