1/* $NetBSD: machdep.h,v 1.7 2002/02/21 02:52:21 thorpej Exp $ */ 2 3#ifndef _MACHDEP_BOOT_MACHDEP_H_ 4#define _MACHDEP_BOOT_MACHDEP_H_ 5 6/* Structs that need to be initialised by initarm */ 7extern vm_offset_t irqstack; 8extern vm_offset_t undstack; 9extern vm_offset_t abtstack; 10 11/* Define various stack sizes in pages */ 12#define IRQ_STACK_SIZE 1 13#define ABT_STACK_SIZE 1 14#define UND_STACK_SIZE 1 15 16/* misc prototypes used by the many arm machdeps */ 17struct trapframe; 18void init_proc0(vm_offset_t kstack); 19void halt(void); 20void abort_handler(struct trapframe *, int ); 21void set_stackptrs(int cpu); 22void undefinedinstruction_bounce(struct trapframe *); 23 24/* Early boot related helper functions */ 25struct arm_boot_params; 26vm_offset_t default_parse_boot_param(struct arm_boot_params *abp); 27vm_offset_t fake_preload_metadata(struct arm_boot_params *abp, 28 void *dtb_ptr, size_t dtb_size); 29vm_offset_t parse_boot_param(struct arm_boot_params *abp); 30void arm_parse_fdt_bootargs(void); 31void arm_print_kenv(void); 32 33int arm_get_vfpstate(struct thread *td, void *args); 34 35/* Board-specific attributes */ 36void board_set_serial(uint64_t); 37void board_set_revision(uint32_t); 38 39int arm_predict_branch(void *, u_int, register_t, register_t *, 40 u_int (*)(void*, int), u_int (*)(void*, vm_offset_t, u_int*)); 41 42#ifdef PLATFORM 43typedef void delay_func(int, void *); 44void arm_set_delay(delay_func *, void *); 45#endif 46 47#ifdef EFI 48struct efi_map_header; 49struct mem_region; 50void arm_add_efi_map_entries(struct efi_map_header *efihdr, 51 struct mem_region *mr, int *mrcnt); 52#endif 53 54#ifdef SOCDEV_PA 55/* 56 * The virtual address SOCDEV_PA is mapped at. 57 */ 58extern uintptr_t socdev_va; 59#endif 60 61/* 62 * Symbols created by ldscript.arm which are accessible in the kernel as global 63 * symbols. They have uint8 type because they mark the byte location where the 64 * corresponding data starts or ends (in the end case, it's the next byte 65 * following the data, so the data size is end-start). These are listed below 66 * in the order they occur within the kernel (i.e., the address of each variable 67 * should be greater than any of the ones before it). 68 */ 69extern uint8_t _start; /* Kernel entry point in locore.S */ 70extern uint8_t _etext; /* text segment end */ 71extern uint8_t _extab_start; /* unwind table start */ 72extern uint8_t _exidx_start; /* unwind index start */ 73extern uint8_t _exidx_end; /* unwind index end */ 74extern uint8_t _start_ctors; /* ctors data start */ 75extern uint8_t _stop_ctors; /* ctors data end */ 76extern uint8_t _edata; /* data segment end */ 77extern uint8_t __bss_start; /* bss segment start */ 78extern uint8_t _ebss; /* bss segment end */ 79extern uint8_t _end; /* End of kernel (text+ctors+unwind+data+bss) */ 80 81#endif /* !_MACHINE_MACHDEP_H_ */ 82