boot/x86_64/stage2_priv.h

   1 /*
   2 ** Copyright 2001, Travis Geiselbrecht. All rights reserved.
   3 ** Distributed under the terms of the NewOS License.
   4 */
   5 #ifndef _STAGE2_PRIV_H
   6 #define _STAGE2_PRIV_H
   7
   8 #include <boot/stage2.h>
   9 #include <newos/types.h>
  10
  11 extern void _start(unsigned int mem, void *extended_mem_block, unsigned int extended_mem_count, int in_vesa, unsigned int vesa_ptr, unsigned int console_ptr);
  12 extern void clearscreen(void);
  13 extern void puts(const char *str);
  14 extern int dprintf(const char *fmt, ...);
  15 extern void sleep(uint64 time);
  16 extern uint64 system_time(void);
  17 extern void execute_n_instructions(int count);
  18 void system_time_setup(long a);
  19 uint64 rdtsc();
  20 unsigned long get_rflags(void);
  21 void set_rflags(unsigned long val);
  22 void cpuid(unsigned int selector, unsigned int *data);
  23
  24 //void put_uint_dec(unsigned int a);
  25 //void put_uint_hex(unsigned int a);
  26 //void nmessage(const char *str1, unsigned int a, const char *str2);
  27 //void nmessage2(const char *str1, unsigned int a, const char *str2, unsigned int b, const char *str3);
  28
  29 #define ROUNDUP(a, b) (((a) + ((b) - 1)) & (~((b) - 1)))
  30 #define ROUNDOWN(a, b) (((a) / (b)) * (b))
  31
  32 #define PAGE_SIZE 0x1000
  33 #define KERNEL_BASE 0x80000000
  34 #define KERNEL_ENTRY 0x80000080
  35 #define STACK_SIZE 2
  36 #define DEFAULT_PAGE_FLAGS (1 | 2) // present/rw
  37 #define SCREEN_WIDTH 80
  38 #define SCREEN_HEIGHT 25
  39 #define ADDR_MASK 0xfffff000
  40
  41 #if 0
  42 // SMP stuff
  43 extern int smp_boot(kernel_args *ka, unsigned int kernel_entry);
  44 extern void smp_trampoline(void);
  45 extern void smp_trampoline_end(void);
  46
  47 #define MP_FLT_SIGNATURE '_PM_'
  48 #define MP_CTH_SIGNATURE 'PCMP'
  49
  50 #define APIC_DM_INIT       (5 << 8)
  51 #define APIC_DM_STARTUP    (6 << 8)
  52 #define APIC_LEVEL_TRIG    (1 << 14)
  53 #define APIC_ASSERT        (1 << 13)
  54
  55 #define APIC_ENABLE        0x100
  56 #define APIC_FOCUS         (~(1 << 9))
  57 #define APIC_SIV           (0xff)
  58
  59 #define APIC_ID            ((unsigned int *) ((unsigned int) ka->arch_args.apic + 0x020))
  60 #define APIC_VERSION       ((unsigned int *) ((unsigned int) ka->arch_args.apic + 0x030))
  61 #define APIC_TPRI          ((unsigned int *) ((unsigned int) ka->arch_args.apic + 0x080))
  62 #define APIC_EOI           ((unsigned int *) ((unsigned int) ka->arch_args.apic + 0x0b0))
  63 #define APIC_LDR           ((unsigned int *) ((unsigned int) ka->arch_args.apic + 0x0d0))
  64 #define APIC_SIVR          ((unsigned int *) ((unsigned int) ka->arch_args.apic + 0x0f0))
  65 #define APIC_ESR           ((unsigned int *) ((unsigned int) ka->arch_args.apic + 0x280))
  66 #define APIC_ICR1          ((unsigned int *) ((unsigned int) ka->arch_args.apic + 0x300))
  67 #define APIC_ICR2          ((unsigned int *) ((unsigned int) ka->arch_args.apic + 0x310))
  68 #define APIC_LVTT          ((unsigned int *) ((unsigned int) ka->arch_args.apic + 0x320))
  69 #define APIC_LINT0         ((unsigned int *) ((unsigned int) ka->arch_args.apic + 0x350))
  70 #define APIC_LINT1         ((unsigned int *) ((unsigned int) ka->arch_args.apic + 0x360))
  71 #define APIC_LVT3          ((unsigned int *) ((unsigned int) ka->arch_args.apic + 0x370))
  72 #define APIC_ICRT          ((unsigned int *) ((unsigned int) ka->arch_args.apic + 0x380))
  73 #define APIC_CCRT          ((unsigned int *) ((unsigned int) ka->arch_args.apic + 0x390))
  74 #define APIC_TDCR          ((unsigned int *) ((unsigned int) ka->arch_args.apic + 0x3e0))
  75
  76 #define APIC_TDCR_2        0x00
  77 #define APIC_TDCR_4        0x01
  78 #define APIC_TDCR_8        0x02
  79 #define APIC_TDCR_16       0x03
  80 #define APIC_TDCR_32       0x08
  81 #define APIC_TDCR_64       0x09
  82 #define APIC_TDCR_128      0x0a
  83 #define APIC_TDCR_1        0x0b
  84
  85 #define APIC_LVTT_MASK     0x000310ff
  86 #define APIC_LVTT_VECTOR   0x000000ff
  87 #define APIC_LVTT_DS       0x00001000
  88 #define APIC_LVTT_M        0x00010000
  89 #define APIC_LVTT_TM       0x00020000
  90
  91 #define APIC_LVT_DM_ExtINT 0x00000700
  92 #define APIC_LVT_DM_NMI    0x00000400
  93 #define APIC_LVT_IIPP      0x00002000
  94 #define APIC_LVT_TM        0x00008000
  95 #define APIC_LVT_M         0x00010000
  96 #define APIC_LVT_OS        0x00020000
  97 #define APIC_TPR_PRIO      0x000000ff
  98 #define APIC_TPR_INT       0x000000f0
  99 #define APIC_TPR_SUB       0x0000000f
 100
 101 #define APIC_SVR_SWEN      0x00000100
 102 #define APIC_SVR_FOCUS     0x00000200
 103
 104 #define APIC_DEST_STARTUP  0x00600
 105
 106 #define LOPRIO_LEVEL       0x00000010
 107
 108 #define APIC_DEST_FIELD          (0)
 109 #define APIC_DEST_SELF           (1 << 18)
 110 #define APIC_DEST_ALL            (2 << 18)
 111 #define APIC_DEST_ALL_BUT_SELF   (3 << 18)
 112
 113 #define IOAPIC_ID          0x0
 114 #define IOAPIC_VERSION     0x1
 115 #define IOAPIC_ARB         0x2
 116 #define IOAPIC_REDIR_TABLE 0x10
 117
 118 #define IPI_CACHE_FLUSH    0x40
 119 #define IPI_INV_TLB        0x41
 120 #define IPI_INV_PTE        0x42
 121 #define IPI_INV_RESCHED    0x43
 122 #define IPI_STOP           0x44
 123
 124 #define MP_EXT_PE          0
 125 #define MP_EXT_BUS         1
 126 #define MP_EXT_IO_APIC     2
 127 #define MP_EXT_IO_INT      3
 128 #define MP_EXT_LOCAL_INT   4
 129
 130 #define MP_EXT_PE_LEN          20
 131 #define MP_EXT_BUS_LEN         8
 132 #define MP_EXT_IO_APIC_LEN     8
 133 #define MP_EXT_IO_INT_LEN      8
 134 #define MP_EXT_LOCAL_INT_LEN   8
 135
 136 struct mp_config_table {
 137         unsigned int signature;       /* "PCMP" */
 138         unsigned short table_len;     /* length of this structure */
 139         unsigned char mp_rev;         /* spec supported, 1 for 1.1 or 4 for 1.4 */
 140         unsigned char checksum;       /* checksum, all bytes add up to zero */
 141         char oem[8];                  /* oem identification, not null-terminated */
 142         char product[12];             /* product name, not null-terminated */
 143         void *oem_table_ptr;          /* addr of oem-defined table, zero if none */
 144         unsigned short oem_len;       /* length of oem table */
 145         unsigned short num_entries;   /* number of entries in base table */
 146         unsigned int apic;            /* address of apic */
 147         unsigned short ext_len;       /* length of extended section */
 148         unsigned char ext_checksum;   /* checksum of extended table entries */
 149 };
 150
 151 struct mp_flt_struct {
 152         unsigned int signature;       /* "_MP_" */
 153         struct mp_config_table *mpc;  /* address of mp configuration table */
 154         unsigned char mpc_len;        /* length of this structure in 16-byte units */
 155         unsigned char mp_rev;         /* spec supported, 1 for 1.1 or 4 for 1.4 */
 156         unsigned char checksum;       /* checksum, all bytes add up to zero */
 157         unsigned char mp_feature_1;   /* mp system configuration type if no mpc */
 158         unsigned char mp_feature_2;   /* imcrp */
 159         unsigned char mp_feature_3, mp_feature_4, mp_feature_5; /* reserved */
 160 };
 161
 162 struct mp_ext_pe
 163 {
 164         unsigned char type;
 165         unsigned char apic_id;
 166         unsigned char apic_version;
 167         unsigned char cpu_flags;
 168         unsigned int signature;       /* stepping, model, family, each four bits */
 169         unsigned int feature_flags;
 170         unsigned int res1, res2;
 171 };
 172
 173 struct mp_ext_ioapic
 174 {
 175         unsigned char type;
 176         unsigned char ioapic_id;
 177         unsigned char ioapic_version;
 178         unsigned char ioapic_flags;
 179         unsigned int *addr;
 180 };
 181
 182 struct mp_ext_bus
 183 {
 184         unsigned char type;
 185         unsigned char bus_id;
 186         char          name[6];
 187 };
 188 #endif
 189
 190 #endif
 191