1 /* $NetBSD: machdep.h,v 1.18 2014/03/28 21:51:59 matt 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 #ifdef IPKDB 15 #define UND_STACK_SIZE 2 16 #else 17 #define UND_STACK_SIZE 1 18 #endif 19 #endif 20 #ifndef FIQ_STACK_SIZE 21 #define FIQ_STACK_SIZE 1 22 #endif 23 24 25 extern void (*cpu_reset_address)(void); 26 extern paddr_t cpu_reset_address_paddr; 27 28 extern u_int data_abort_handler_address; 29 extern u_int prefetch_abort_handler_address; 30 // extern u_int undefined_handler_address; 31 #define undefined_handler_address (curcpu()->ci_undefsave[2]) 32 33 struct bootmem_info { 34 paddr_t bmi_start; 35 paddr_t bmi_kernelstart; 36 paddr_t bmi_kernelend; 37 paddr_t bmi_end; 38 pv_addrqh_t bmi_freechunks; 39 pv_addrqh_t bmi_chunks; /* sorted list of memory to be mapped */ 40 pv_addr_t bmi_freeblocks[4]; 41 /* 42 * These need to be static for pmap's kernel_pt list. 43 */ 44 pv_addr_t bmi_vector_l2pt; 45 pv_addr_t bmi_io_l2pt; 46 pv_addr_t bmi_l2pts[32]; // for large memory disks. 47 u_int bmi_freepages; 48 u_int bmi_nfreeblocks; 49 }; 50 51 extern struct bootmem_info bootmem_info; 52 53 extern char *booted_kernel; 54 55 extern volatile uint32_t arm_cpu_hatched; 56 extern volatile uint32_t arm_cpu_mbox; 57 extern u_int arm_cpu_max; 58 59 /* misc prototypes used by the many arm machdeps */ 60 void cortex_pmc_ccnt_init(void); 61 void cpu_hatch(struct cpu_info *, cpuid_t, void (*)(struct cpu_info *)); 62 void halt(void); 63 void parse_mi_bootargs(char *); 64 void data_abort_handler(trapframe_t *); 65 void prefetch_abort_handler(trapframe_t *); 66 void undefinedinstruction_bounce(trapframe_t *); 67 void dumpsys(void); 68 69 /* 70 * note that we use void *as all the platforms have different ideas on what 71 * the structure is 72 */ 73 u_int initarm(void *); 74 struct pmap_devmap; 75 struct boot_physmem; 76 void arm32_bootmem_init(paddr_t memstart, psize_t memsize, paddr_t kernelstart); 77 void arm32_kernel_vm_init(vaddr_t kvm_base, vaddr_t vectors, 78 vaddr_t iovbase /* (can be zero) */, 79 const struct pmap_devmap *devmap, bool mapallmem_p); 80 vaddr_t initarm_common(vaddr_t kvm_base, vsize_t kvm_size, 81 const struct boot_physmem *bp, size_t nbp); 82 83 84 /* from arm/arm32/intr.c */ 85 void dosoftints(void); 86 void set_spl_masks(void); 87 #ifdef DIAGNOSTIC 88 void dump_spl_masks(void); 89 #endif 90 #endif 91