sys/arch/acorn26/stand/lib/riscoscalls.h

   1 /*      $NetBSD: riscoscalls.h,v 1.3 2005/12/11 12:16:05 christos Exp $ */
   2
   3 /*-
   4  * Copyright (c) 2001 Ben Harris
   5  * All rights reserved.
   6  *
   7  * Redistribution and use in source and binary forms, with or without
   8  * modification, are permitted provided that the following conditions
   9  * are met:
  10  * 1. Redistributions of source code must retain the above copyright
  11  *    notice, this list of conditions and the following disclaimer.
  12  * 2. Redistributions in binary form must reproduce the above copyright
  13  *    notice, this list of conditions and the following disclaimer in the
  14  *    documentation and/or other materials provided with the distribution.
  15  * 3. The name of the author may not be used to endorse or promote products
  16  *    derived from this software without specific prior written permission.
  17  *
  18  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
  19  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
  20  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
  21  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
  22  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  23  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  24  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  25  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  26  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  27  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  28  */
  29
  30 /*
  31  * This file defines the interface for the veneers over RISC OS SWIs used
  32  * by libsa.  Only those SWIs actually needed by libsa are included.  In
  33  * general, the interface is based on the one provided by OsLib, though
  34  * this implementation is independent.
  35  */
  36
  37 #define OS_WriteC               0x000000
  38 #define XOS_WriteC              0x020000
  39 #define OS_NewLine              0x000003
  40 #define XOS_NewLine             0x020003
  41 #define OS_ReadC                0x000004
  42 #define XOS_ReadC               0x020004
  43 #define OS_CLI                  0x000005
  44 #define XOS_CLI                 0x020005
  45 #define OS_Byte                 0x000006
  46 #define XOS_Byte                0x020006
  47 #define OS_Word                 0x000007
  48 #define XOS_Word                0x020007
  49 #define OS_Args                 0x000009
  50 #define XOS_Args                0x020009
  51 #define OS_GBPB                 0x00000c
  52 #define XOS_GBPB                0x02000c
  53 #define OS_Find                 0x00000d
  54 #define XOS_Find                0x02000d
  55 #define OS_GetEnv               0x000010
  56 #define XOS_GetEnv              0x020010
  57 #define OS_Exit                 0x000011
  58 #define XOS_Exit                0x020011
  59 #define OS_IntOff               0x000014
  60 #define XOS_IntOff              0x020014
  61 #define OS_EnterOS              0x000016
  62 #define XOS_EnterOS             0x020016
  63 #define OS_Module               0x00001e
  64 #define XOS_Module              0x02001e
  65 #define OS_FSControl            0x000029
  66 #define XOS_FSControl           0x020029
  67 #define OS_ServiceCall          0x000030
  68 #define XOS_ServiceCall         0x020030
  69 #define OS_ReadVduVariables     0x000031
  70 #define XOS_ReadVduVariables    0x020031
  71 #define OS_SWINumberFromString  0x000039
  72 #define XOS_SWINumberFromString 0x020039
  73 #define OS_ReadMemMapInfo       0x000051
  74 #define XOS_ReadMemMapInfo      0x020051
  75 #define OS_ReadMemMapEntries    0x000052
  76 #define XOS_ReadMemMapEntries   0x020052
  77 #define OS_ReadSysInfo          0x000058
  78 #define XOS_ReadSysInfo         0x020058
  79 #define OS_Memory               0x000068
  80 #define XOS_Memory              0x020068
  81
  82 #define Cache_Control           0x000280
  83 #define XCache_Control          0x020280
  84
  85 #ifndef __ASSEMBLER__
  86 typedef struct os_error {
  87         u_int32_t errnum;
  88         char errmess[252];
  89 } os_error;
  90
  91 /* Errors talking to the console may as well be fatal. */
  92
  93 extern void os_writec(int);
  94 extern void os_new_line(void);
  95 extern int os_readc(void);
  96 #endif
  97
  98 /* OS_CLI */
  99
 100 #ifndef __ASSEMBLER__
 101 extern void os_cli(char *);
 102 extern os_error *xos_cli(char *);
 103 #endif
 104
 105 /* OS_Byte */
 106
 107 #define osbyte_OUTPUT_CURSOR_POSITION   165
 108
 109 #ifndef __ASSEMBLER__
 110 extern void os_byte(int, int, int, int *, int *);
 111 #endif
 112
 113 /* OS_Word */
 114
 115 #define osword_WRITE_SCREEN_ADDRESS      22
 116
 117 #ifndef __ASSEMBLER__
 118 extern void os_word(int, char *);
 119 #endif
 120
 121 /* OS_Args */
 122
 123 #define OSArgs_ReadPtr          0
 124 #define OSArgs_SetPtr           1
 125 #define OSArgs_ReadExt          2
 126 #define OSArgs_SetExt           3
 127 #define OSArgs_ReadAllocation   4
 128 #define OSArgs_ReadEOFStatus    5
 129
 130 #ifndef __ASSEMBLER__
 131 extern os_error *xosargs_read(int, int, int *);
 132 extern os_error *xosargs_set(int, int, int);
 133
 134 #define xosargs_read_ptr(f, vp) xosargs_read(OSArgs_ReadPtr, (f), (vp))
 135 #define xosargs_set_ptr(f, v)   xosargs_set(OSArgs_SetPtr, (f), (v))
 136 #define xosargs_read_ext(f, vp) xosargs_read(OSArgs_ReadExt, (f), (vp))
 137 #define xosargs_set_ext(f, v)   xosargs_set(OSArgs_SetExt, (f), (v))
 138 #define xosargs_read_allocation(f, vp) \
 139                                 xosargs_read(OSArgs_ReadAllocation, (f), (vp))
 140 #define xosargs_read_eof_status(f, vp) \
 141                                 xosargs_read(OSArgs_ReadEOFStatus, (f), (vp))
 142 #endif
 143
 144 /* OS_GBPB */
 145
 146 #define OSGBPB_WriteAt          1
 147 #define OSGBPB_Write            2
 148 #define OSGBPB_ReadAt           3
 149 #define OSGBPB_Read             4
 150
 151 #ifndef __ASSEMBLER__
 152 extern os_error *xosgbpb_write(int, char const *, int, int *);
 153 extern os_error *xosgbpb_read(int, char *, int, int *);
 154 #endif
 155
 156 /* OS_Find */
 157
 158 #define OSFind_Close    0x00
 159 #define OSFind_Openin   0x40
 160 #define OSFind_Openout  0x80
 161 #define OSFind_Openup   0xc0
 162
 163 #define osfind_PATH             0x01
 164 #define osfind_PATH_VAR         0x02
 165 #define osfind_NO_PATH          0x03
 166 #define osfind_ERROR_IF_DIR     0x04
 167 #define osfind_ERROR_IF_ABSENT  0x08
 168
 169 #ifndef __ASSEMBLER__
 170 extern os_error *xosfind_close(int);
 171 extern os_error *xosfind_open(int, char const *, char const *, int *);
 172 #endif
 173
 174 /* OS_ReadSysInfo */
 175
 176 #define OSReadSysInfo_ReadConfiguredScreenSize  0x00
 177 #define OSReadSysInfo_ReadMonitorInfo           0x01
 178 #define OSReadSysInfo_ReadChipPresenceAndId     0x02
 179 #define OSReadSysInfo_ReadSuperIOFeatures       0x03
 180
 181 #define osreadsysinfo_IOEB_ASIC_PRESENT         0x01
 182 #define osreadsysinfo_SUPERIO_PRESENT           0x02
 183 #define osreadsysinfo_LCD_ASIC_PRESENT          0x04
 184
 185 #ifndef __ASSEMBLER__
 186 extern void os_readsysinfo(int what, int *r0, int *r1, int *r2, int *r3, int *r4);
 187 #define os_readsysinfo_configured_screensize(s) \
 188         os_readsysinfo(OSReadSysInfo_ReadConfiguredScreenSize, (s), 0, 0, 0, 0)
 189
 190 #define os_readsysinfo_monitor_info(mode, type, sync) \
 191         os_readsysinfo(OSReadSysInfo_ReadMonitorInfo, (mode), (type), (sync), 0, 0)
 192
 193 #define os_readsysinfo_chip_presence(ioeb, superio, lcd) \
 194         os_readsysinfo(OSReadSysInfo_ReadChipPresenceAndId, (ioeb), (superio), (lcd), 0, 0)
 195
 196 #define os_readsysinfo_unique_id(low, high) \
 197         os_readsysinfo(OSReadSysInfo_ReadChipPresenceAndId, 0, 0, 0, (low), (high))
 198
 199 #define os_readsysinfo_superio_features(basic, extra) \
 200         os_readsysinfo(OSReadSysInfo_ReadSuperIOFeatures, (basic), (extra), 0, 0, 0)
 201
 202 #endif
 203
 204 /* OS_Memory */
 205
 206 #define OSMemory_PageOp                         0x00
 207 #define OSMemory_ReadArrangementTableSize       0x06
 208 #define OSMemory_ReadArrangementTable           0x07
 209 #define OSMemory_ReadSize                       0x08
 210 #define OSMemory_ReadController                 0x09
 211
 212 #define osmemory_GIVEN_PAGE_NO          0x0100
 213 #define osmemory_GIVEN_LOG_ADDR         0x0200
 214 #define osmemory_GIVEN_PHYS_ADDR        0x0400
 215 #define osmemory_RETURN_PAGE_NO         0x0800
 216 #define osmemory_RETURN_LOG_ADDR        0x1000
 217 #define osmemory_RETURN_PHYS_ADDR       0x2000
 218
 219 #define osmemory_TYPE                   0xf00
 220 #define osmemory_TYPE_SHIFT             8
 221 #define osmemory_TYPE_ABSENT            0x0
 222 #define osmemory_TYPE_DRAM              0x1
 223 #define osmemory_TYPE_VRAM              0x2
 224 #define osmemory_TYPE_ROM               0x3
 225 #define osmemory_TYPE_IO                0x4
 226 /* 5, 6, 7 are undefined */
 227 #define osmemory_TYPE_ALLOCATABLE_MASK  0x8     /* bit signaling allocatable */
 228
 229
 230 #ifndef __ASSEMBLER__
 231 struct page_info {
 232         int     pagenumber;
 233         int     logical;
 234         int     physical;
 235 };
 236
 237 extern void osmemory_read_arrangement_table_size(int *size, int *nbpp);
 238 extern void osmemory_read_arrangement_table(unsigned char *block);
 239 extern void osmemory_page_op(int fromto, struct page_info *block, int num_pages);
 240 #endif
 241
 242 /* Misc */
 243 #ifndef __ASSEMBLER__
 244 extern char *os_get_env(void **, void **);
 245
 246 extern void os_exit(os_error const *, int) __attribute__((noreturn));
 247
 248 extern void os_int_off(void);
 249
 250 extern void os_enter_os(void);
 251 #endif
 252
 253 #define OSFSControl_Shutdown    23
 254
 255 #ifndef __ASSEMBLER__
 256 extern os_error *xosfscontrol_shutdown(void);
 257 #endif
 258
 259 #define Service_PreReset        0x45
 260
 261 #ifndef __ASSEMBLER__
 262 extern void service_pre_reset(void);
 263 #endif
 264
 265 #define os_MODEVAR_LOG2_BPP             9
 266 #define os_MODEVAR_XWIND_LIMIT          11
 267 #define os_MODEVAR_YWIND_LIMIT          12
 268 #define os_VDUVAR_DISPLAY_START         149
 269 #define os_VDUVAR_TOTAL_SCREEN_SIZE     150
 270 #define os_VDUVAR_TCHAR_SPACEY          170
 271
 272 #ifndef __ASSEMBLER__
 273 extern void os_read_vdu_variables(const int *, int *);
 274
 275 extern os_error *xos_swi_number_from_string(char const *, int *);
 276
 277 extern void os_read_mem_map_info(int *, int *);
 278
 279 struct os_mem_map_request {
 280         int page_no;
 281         void *map;
 282         int access;
 283 #define os_AREA_ACCESS_READ_WRITE       0
 284 #define os_AREA_ACCESS_READ_ONLY        1
 285 #define os_AREA_ACCESS_NONE             3
 286 };
 287
 288 extern void os_read_mem_map_entries(struct os_mem_map_request *);
 289
 290 extern os_error xcache_control(u_int, u_int, u_int *);
 291
 292 struct filecore_disc {
 293         u_int8_t        log2secsize;
 294         u_int8_t        secspertrack;
 295         u_int8_t        heads;
 296         u_int8_t        density;
 297         u_int8_t        idlen;
 298         u_int8_t        log2bpmp;
 299         u_int8_t        skew;
 300         u_int8_t        bootoption;
 301         u_int8_t        lowsector;
 302         u_int8_t        nzones;
 303         u_int16_t       zone_spare;
 304         u_int32_t       root;
 305         u_int32_t       disc_size;
 306         u_int16_t       disc_id;
 307         char            disc_name[10];
 308         u_int32_t       disc_type;
 309         u_int32_t       disc_size_hi;
 310         u_int8_t        share_size;
 311         u_int8_t        big_flag;
 312         u_int8_t        reserved[22];
 313 };
 314
 315 #endif
 316
 317 /* RISC OS Error numbers */
 318
 319 #define error_IS_ADIR                   0xa8
 320 #define error_TOO_MANY_OPEN_FILES       0xc0
 321 #define error_FILE_NOT_FOUND            0xd6
 322
 323 #ifndef __ASSEMBLER__
 324 extern int riscos_errno(os_error *);
 325 #endif