1 /* 2 * Copyright 2013-2022 Haiku, Inc. All rights reserved. 3 * Distributed under the terms of the MIT License. 4 */ 5 #ifndef KERNEL_BOOT_PLATFORM_EFI_ARCH_SMP_H 6 #define KERNEL_BOOT_PLATFORM_EFI_ARCH_SMP_H 7 8 9 #include <boot/menu.h> 10 11 12 #if defined(__riscv) || defined(__ARM__) || defined(__aarch64__) 13 // These platforms take inventory of cpu cores from fdt 14 15 struct platform_cpu_info { 16 uint32 id; // hart id on riscv 17 #if defined(__riscv) 18 uint32 phandle; 19 uint32 plicContext; 20 #endif 21 }; 22 23 #if defined(__riscv) 24 extern uint32 gBootHart; 25 #endif 26 27 void arch_smp_register_cpu(platform_cpu_info** cpu); 28 #endif 29 30 31 int arch_smp_get_current_cpu(void); 32 void arch_smp_init_other_cpus(void); 33 #ifdef __riscv 34 platform_cpu_info* arch_smp_find_cpu(uint32 phandle); 35 void arch_smp_boot_other_cpus(uint64 satp, uint64 kernelEntry, addr_t virtKernelArgs); 36 #else 37 void arch_smp_boot_other_cpus(uint32 pml4, uint64 kernelEntry, addr_t virtKernelArgs); 38 #endif 39 void arch_smp_add_safemode_menus(Menu *menu); 40 void arch_smp_init(void); 41 42 43 #endif /* KERNEL_BOOT_PLATFORM_EFI_ARCH_SMP_H */ 44