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