sys/arch/arm/include/arm32/machdep.h

   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