/* $NetBSD: machdep.h,v 1.7 2002/02/21 02:52:21 thorpej Exp $ */ /* $FreeBSD$ */ #ifndef _MACHDEP_BOOT_MACHDEP_H_ #define _MACHDEP_BOOT_MACHDEP_H_ /* Structs that need to be initialised by initarm */ #if __ARM_ARCH >= 6 extern vm_offset_t irqstack; extern vm_offset_t undstack; extern vm_offset_t abtstack; #else struct pv_addr; extern struct pv_addr irqstack; extern struct pv_addr undstack; extern struct pv_addr abtstack; #endif /* Define various stack sizes in pages */ #define IRQ_STACK_SIZE 1 #define ABT_STACK_SIZE 1 #define UND_STACK_SIZE 1 /* misc prototypes used by the many arm machdeps */ struct trapframe; void arm_lock_cache_line(vm_offset_t); void init_proc0(vm_offset_t kstack); void halt(void); void abort_handler(struct trapframe *, int ); void set_stackptrs(int cpu); void undefinedinstruction_bounce(struct trapframe *); /* Early boot related helper functions */ struct arm_boot_params; vm_offset_t default_parse_boot_param(struct arm_boot_params *abp); vm_offset_t fake_preload_metadata(struct arm_boot_params *abp, void *dtb_ptr, size_t dtb_size); vm_offset_t parse_boot_param(struct arm_boot_params *abp); void arm_parse_fdt_bootargs(void); void arm_print_kenv(void); void arm_generic_initclocks(void); int arm_get_vfpstate(struct thread *td, void *args); /* Board-specific attributes */ void board_set_serial(uint64_t); void board_set_revision(uint32_t); int arm_predict_branch(void *, u_int, register_t, register_t *, u_int (*)(void*, int), u_int (*)(void*, vm_offset_t, u_int*)); #ifdef PLATFORM typedef void delay_func(int, void *); void arm_set_delay(delay_func *, void *); #endif #ifdef EFI struct efi_map_header; struct mem_region; void arm_add_efi_map_entries(struct efi_map_header *efihdr, struct mem_region *mr, int *mrcnt); #endif /* * Symbols created by ldscript.arm which are accessible in the kernel as global * symbols. They have uint8 type because they mark the byte location where the * corresponding data starts or ends (in the end case, it's the next byte * following the data, so the data size is end-start). These are listed below * in the order they occur within the kernel (i.e., the address of each variable * should be greater than any of the ones before it). */ extern uint8_t _start; /* Kernel entry point in locore.S */ extern uint8_t _etext; /* text segment end */ extern uint8_t _extab_start; /* unwind table start */ extern uint8_t _exidx_start; /* unwind index start */ extern uint8_t _exidx_end; /* unwind index end */ extern uint8_t _start_ctors; /* ctors data start */ extern uint8_t _stop_ctors; /* ctors data end */ extern uint8_t _edata; /* data segment end */ extern uint8_t __bss_start; /* bss segment start */ extern uint8_t _ebss; /* bss segment end */ extern uint8_t _end; /* End of kernel (text+ctors+unwind+data+bss) */ #endif /* !_MACHINE_MACHDEP_H_ */ |