1 /* $NetBSD: machdep.h,v 1.30 2019/12/18 21:45:44 riastradh Exp $ */ 2 3 #ifndef _ARM32_MACHDEP_H_ 4 #define _ARM32_MACHDEP_H_ 5 6 /* Define various stack sizes in pages */ 7 #ifndef IRQ_STACK_SIZE 8 #define IRQ_STACK_SIZE 1 9 #endif 10 #ifndef ABT_STACK_SIZE 11 #define ABT_STACK_SIZE 1 12 #endif 13 #ifndef UND_STACK_SIZE 14 #define UND_STACK_SIZE 1 15 #endif 16 #ifndef FIQ_STACK_SIZE 17 #define FIQ_STACK_SIZE 1 18 #endif 19 20 extern void (*cpu_reset_address)(void); 21 extern paddr_t cpu_reset_address_paddr; 22 23 extern void (*cpu_powerdown_address)(void); 24 25 extern u_int data_abort_handler_address; 26 extern u_int prefetch_abort_handler_address; 27 // extern u_int undefined_handler_address; 28 #define undefined_handler_address (curcpu()->ci_undefsave[2]) 29 30 struct bootmem_info { 31 paddr_t bmi_start; 32 paddr_t bmi_kernelstart; 33 paddr_t bmi_kernelend; 34 paddr_t bmi_end; 35 pv_addrqh_t bmi_freechunks; 36 pv_addrqh_t bmi_chunks; /* sorted list of memory to be mapped */ 37 pv_addr_t bmi_freeblocks[4]; 38 /* 39 * These need to be static for pmap's kernel_pt list. 40 */ 41 pv_addr_t bmi_vector_l2pt; 42 pv_addr_t bmi_io_l2pt; 43 pv_addr_t bmi_l2pts[32]; // for large memory disks. 44 u_int bmi_freepages; 45 u_int bmi_nfreeblocks; 46 }; 47 48 extern struct bootmem_info bootmem_info; 49 50 extern char *booted_kernel; 51 52 extern volatile uint32_t arm_cpu_hatched; 53 extern volatile uint32_t arm_cpu_mbox; 54 extern u_int arm_cpu_max; 55 extern u_long kern_vtopdiff; 56 57 58 /* misc prototypes used by the many arm machdeps */ 59 void cortex_pmc_ccnt_init(void); 60 void cpu_hatch(struct cpu_info *, u_int, void (*)(struct cpu_info *)); 61 void halt(void); 62 void parse_mi_bootargs(char *); 63 void data_abort_handler(trapframe_t *); 64 void prefetch_abort_handler(trapframe_t *); 65 void undefinedinstruction_bounce(trapframe_t *); 66 void dumpsys(void); 67 68 /* 69 * note that we use void * as all the platforms have different ideas on what 70 * the structure is 71 */ 72 vaddr_t initarm(void *); 73 struct pmap_devmap; 74 struct boot_physmem; 75 76 void cpu_startup_hook(void); 77 void cpu_startup_default(void); 78 79 static inline paddr_t 80 aarch32_kern_vtophys(vaddr_t va) 81 { 82 return va - kern_vtopdiff; 83 } 84 85 static inline vaddr_t 86 aarch32_kern_phystov(paddr_t pa) 87 { 88 return pa + kern_vtopdiff; 89 } 90 91 #define KERN_VTOPHYS(va) aarch32_kern_vtophys(va) 92 #define KERN_PHYSTOV(pa) aarch32_kern_phystov(pa) 93 94 void cpu_kernel_vm_init(paddr_t, psize_t); 95 96 void arm32_bootmem_init(paddr_t memstart, psize_t memsize, paddr_t kernelstart); 97 void arm32_kernel_vm_init(vaddr_t kvm_base, vaddr_t vectors, 98 vaddr_t iovbase /* (can be zero) */, 99 const struct pmap_devmap *devmap, bool mapallmem_p); 100 vaddr_t initarm_common(vaddr_t kvm_base, vsize_t kvm_size, 101 const struct boot_physmem *bp, size_t nbp); 102 103 void uartputc(int); 104 105 /* from arm/arm32/intr.c */ 106 void dosoftints(void); 107 void set_spl_masks(void); 108 #ifdef DIAGNOSTIC 109 void dump_spl_masks(void); 110 #endif 111 #endif 112