/* $NetBSD: machdep.h,v 1.29.2.1 2020/02/12 20:10:09 martin Exp $ */ #ifndef _ARM32_MACHDEP_H_ #define _ARM32_MACHDEP_H_ /* Define various stack sizes in pages */ #ifndef IRQ_STACK_SIZE #define IRQ_STACK_SIZE 1 #endif #ifndef ABT_STACK_SIZE #define ABT_STACK_SIZE 1 #endif #ifndef UND_STACK_SIZE #define UND_STACK_SIZE 1 #endif #ifndef FIQ_STACK_SIZE #define FIQ_STACK_SIZE 1 #endif extern void (*cpu_reset_address)(void); extern paddr_t cpu_reset_address_paddr; extern void (*cpu_powerdown_address)(void); extern u_int data_abort_handler_address; extern u_int prefetch_abort_handler_address; // extern u_int undefined_handler_address; #define undefined_handler_address (curcpu()->ci_undefsave[2]) struct bootmem_info { paddr_t bmi_start; paddr_t bmi_kernelstart; paddr_t bmi_kernelend; paddr_t bmi_end; pv_addrqh_t bmi_freechunks; pv_addrqh_t bmi_chunks; /* sorted list of memory to be mapped */ pv_addr_t bmi_freeblocks[4]; /* * These need to be static for pmap's kernel_pt list. */ pv_addr_t bmi_vector_l2pt; pv_addr_t bmi_io_l2pt; pv_addr_t bmi_l2pts[32]; // for large memory disks. u_int bmi_freepages; u_int bmi_nfreeblocks; }; extern struct bootmem_info bootmem_info; extern char *booted_kernel; extern volatile uint32_t arm_cpu_hatched; extern volatile uint32_t arm_cpu_mbox; extern u_int arm_cpu_max; extern u_long kern_vtopdiff; /* misc prototypes used by the many arm machdeps */ void cortex_pmc_ccnt_init(void); void cpu_hatch(struct cpu_info *, u_int, void (*)(struct cpu_info *)); void halt(void); void parse_mi_bootargs(char *); void data_abort_handler(trapframe_t *); void prefetch_abort_handler(trapframe_t *); void undefinedinstruction_bounce(trapframe_t *); void dumpsys(void); /* * note that we use void * as all the platforms have different ideas on what * the structure is */ vaddr_t initarm(void *); struct pmap_devmap; struct boot_physmem; void cpu_startup_hook(void); void cpu_startup_default(void); static inline paddr_t aarch32_kern_vtophys(vaddr_t va) { return va - kern_vtopdiff; } static inline vaddr_t aarch32_kern_phystov(paddr_t pa) { return pa + kern_vtopdiff; } #define KERN_VTOPHYS(va) aarch32_kern_vtophys(va) #define KERN_PHYSTOV(pa) aarch32_kern_phystov(pa) void cpu_kernel_vm_init(paddr_t, psize_t); void arm32_bootmem_init(paddr_t memstart, psize_t memsize, paddr_t kernelstart); void arm32_kernel_vm_init(vaddr_t kvm_base, vaddr_t vectors, vaddr_t iovbase /* (can be zero) */, const struct pmap_devmap *devmap, bool mapallmem_p); vaddr_t initarm_common(vaddr_t kvm_base, vsize_t kvm_size, const struct boot_physmem *bp, size_t nbp); void uartputc(int); /* from arm/arm32/intr.c */ void dosoftints(void); void set_spl_masks(void); #ifdef DIAGNOSTIC void dump_spl_masks(void); #endif #endif