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0e0f673458
Stack canary implementation varies across architectures. x86 uses a per-pCPU __stack_chk_guard while RISC-V uses a global variable shared across all pCPUs. Move struct stack_canary from the common per_cpu structure to per_cpu_arch to allow architecture-specific stack protection implementations. Tracked-On: #8834 Signed-off-by: Jian Jun Chen <jian.jun.chen@intel.com> Reviewed-by: Fei Li <fei1.li@intel.com> Acked-by: Wang, Yu1 <yu1.wang@intel.com>
43 lines
956 B
C
43 lines
956 B
C
/*
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* Copyright (C) 2018-2022 Intel Corporation.
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*
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* SPDX-License-Identifier: BSD-3-Clause
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*/
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#ifndef PER_CPU_X86_H
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#define PER_CPU_X86_H
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#include <types.h>
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#include <asm/page.h>
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#include <profiling.h>
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#include <asm/gdt.h>
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#include <asm/security.h>
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#include <asm/vm_config.h>
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struct per_cpu_arch {
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/* vmxon_region MUST be 4KB-aligned */
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uint8_t vmxon_region[PAGE_SIZE];
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void *vmcs_run;
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struct host_gdt gdt;
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struct tss_64 tss;
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uint8_t mc_stack[CONFIG_STACK_SIZE] __aligned(16);
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uint8_t df_stack[CONFIG_STACK_SIZE] __aligned(16);
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uint8_t sf_stack[CONFIG_STACK_SIZE] __aligned(16);
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uint32_t lapic_id;
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uint32_t lapic_ldr;
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#ifdef STACK_PROTECTOR
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struct stack_canary stk_canary;
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#endif
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#ifdef PROFILING_ON
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struct profiling_info_wrapper profiling_info;
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#endif
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uint64_t tsc_suspend;
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struct acrn_vcpu *whose_iwkey;
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uint32_t kick_pcpu_mode;
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uint32_t idle_mode;
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} __aligned(PAGE_SIZE); /* per_cpu_region size aligned with PAGE_SIZE */
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#endif
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