1/* 2 * Copyright 2020, Data61, CSIRO (ABN 41 687 119 230) 3 * 4 * SPDX-License-Identifier: GPL-2.0-only 5 */ 6 7#include <config.h> 8#include <mode/model/smp.h> 9 10#ifdef ENABLE_SMP_SUPPORT 11 12nodeInfo_t node_info[CONFIG_MAX_NUM_NODES] ALIGN(L1_CACHE_LINE_SIZE) VISIBLE; 13char nodeSkimScratch[CONFIG_MAX_NUM_NODES][sizeof(nodeInfo_t)] ALIGN(L1_CACHE_LINE_SIZE); 14extern char kernel_stack_alloc[CONFIG_MAX_NUM_NODES][BIT(CONFIG_KERNEL_STACK_BITS)]; 15 16BOOT_CODE void mode_init_tls(cpu_id_t cpu_index) 17{ 18 node_info[cpu_index].stackTop = kernel_stack_alloc[cpu_index + 1]; 19 node_info[cpu_index].irqStack = &x64KSIRQStack[cpu_index][0]; 20 node_info[cpu_index].index = cpu_index; 21 x86_wrmsr(IA32_KERNEL_GS_BASE_MSR, (word_t)&node_info[cpu_index]); 22 swapgs(); 23} 24 25#endif /* ENABLE_SMP_SUPPORT */ 26