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