1 /* $NetBSD: machdep.h,v 1.22 2018/07/15 05:16:41 maxv Exp $ */ 2 3 #ifndef _ARM32_BOOT_MACHDEP_H_ 4 #define _ARM32_BOOT_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 21 extern void (*cpu_reset_address)(void); 22 extern paddr_t cpu_reset_address_paddr; 23 24 extern void (*cpu_powerdown_address)(void); 25 26 extern u_int data_abort_handler_address; 27 extern u_int prefetch_abort_handler_address; 28 // extern u_int undefined_handler_address; 29 #define undefined_handler_address (curcpu()->ci_undefsave[2]) 30 31 struct bootmem_info { 32 paddr_t bmi_start; 33 paddr_t bmi_kernelstart; 34 paddr_t bmi_kernelend; 35 paddr_t bmi_end; 36 pv_addrqh_t bmi_freechunks; 37 pv_addrqh_t bmi_chunks; /* sorted list of memory to be mapped */ 38 pv_addr_t bmi_freeblocks[4]; 39 /* 40 * These need to be static for pmap's kernel_pt list. 41 */ 42 pv_addr_t bmi_vector_l2pt; 43 pv_addr_t bmi_io_l2pt; 44 pv_addr_t bmi_l2pts[32]; // for large memory disks. 45 u_int bmi_freepages; 46 u_int bmi_nfreeblocks; 47 }; 48 49 extern struct bootmem_info bootmem_info; 50 51 extern char *booted_kernel; 52 53 extern volatile uint32_t arm_cpu_hatched; 54 extern volatile uint32_t arm_cpu_mbox; 55 extern u_int arm_cpu_max; 56 57 /* misc prototypes used by the many arm machdeps */ 58 void cortex_pmc_ccnt_init(void); 59 void cpu_hatch(struct cpu_info *, cpuid_t, void (*)(struct cpu_info *)); 60 void halt(void); 61 void parse_mi_bootargs(char *); 62 void data_abort_handler(trapframe_t *); 63 void prefetch_abort_handler(trapframe_t *); 64 void undefinedinstruction_bounce(trapframe_t *); 65 void dumpsys(void); 66 67 /* 68 * note that we use void * as all the platforms have different ideas on what 69 * the structure is 70 */ 71 u_int initarm(void *); 72 struct pmap_devmap; 73 struct boot_physmem; 74 void arm32_bootmem_init(paddr_t memstart, psize_t memsize, paddr_t kernelstart); 75 void arm32_kernel_vm_init(vaddr_t kvm_base, vaddr_t vectors, 76 vaddr_t iovbase /* (can be zero) */, 77 const struct pmap_devmap *devmap, bool mapallmem_p); 78 vaddr_t initarm_common(vaddr_t kvm_base, vsize_t kvm_size, 79 const struct boot_physmem *bp, size_t nbp); 80 81 82 /* from arm/arm32/intr.c */ 83 void dosoftints(void); 84 void set_spl_masks(void); 85 #ifdef DIAGNOSTIC 86 void dump_spl_masks(void); 87 #endif 88 #endif 89