git.sesse.net Git - pistorm/blob - platforms/amiga/pistorm-dev/pistorm_dev_amiga/pistorm_dev.c

   1 // SPDX-License-Identifier: MIT
   2
   3 #include "../pistorm-dev-enums.h"
   4
   5 #include <exec/types.h>
   6 #include <exec/resident.h>
   7 #include <exec/errors.h>
   8 #include <exec/memory.h>
   9 #include <exec/lists.h>
  10 #include <exec/alerts.h>
  11 #include <exec/tasks.h>
  12 #include <exec/io.h>
  13 #include <exec/execbase.h>
  14
  15 #include <libraries/expansion.h>
  16
  17 #include <devices/trackdisk.h>
  18 #include <devices/timer.h>
  19 #include <devices/scsidisk.h>
  20
  21 #include <libraries/filehandler.h>
  22
  23 #include <proto/exec.h>
  24 #include <proto/disk.h>
  25 #include <clib/expansion_protos.h>
  26
  27 #ifdef HAS_STDLIB
  28 #include <stdio.h>
  29 #endif
  30
  31 unsigned int pistorm_base_addr = 0xFFFFFFFF;
  32
  33 #define WRITESHORT(cmd, val) *(unsigned short *)((unsigned int)(pistorm_base_addr+cmd)) = val;
  34 #define WRITELONG(cmd, val) *(unsigned int *)((unsigned int)(pistorm_base_addr+cmd)) = val;
  35 #define WRITEBYTE(cmd, val) *(unsigned char *)((unsigned int)(pistorm_base_addr+cmd)) = val;
  36
  37 #define READSHORT(cmd, var) var = *(volatile unsigned short *)(pistorm_base_addr + cmd);
  38 #define READLONG(cmd, var) var = *(volatile unsigned int *)(pistorm_base_addr + cmd);
  39 #define READBYTE(cmd, var) var = *(volatile unsigned short *)(pistorm_base_addr + cmd);
  40
  41 #define RETURN_CMDRES READSHORT(PI_CMDRESULT, short_val); return short_val;
  42
  43 unsigned short short_val;
  44
  45 unsigned int pi_find_pistorm() {
  46     unsigned int board_addr = 0xFFFFFFFF;
  47     struct ExpansionBase *expansionbase = (struct ExpansionBase *)OpenLibrary("expansion.library", 0L);
  48
  49     if (expansionbase == NULL) {
  50 #ifdef HAS_STDLIB
  51             printf("Failed to open expansion.library.\n");
  52 #endif
  53         }
  54         else {
  55                 struct ConfigDev* cd = NULL;
  56                 cd = (struct ConfigDev*)FindConfigDev(cd, 2011, 0x6B);
  57                 if (cd != NULL)
  58                         board_addr = (unsigned int)cd->cd_BoardAddr;
  59         CloseLibrary((struct Library *)expansionbase);
  60         }
  61     return board_addr;
  62 }
  63
  64 void pi_reset_amiga(unsigned short reset_code) {
  65     WRITESHORT(PI_CMD_RESET, reset_code);
  66 }
  67
  68 unsigned short pi_shutdown_pi(unsigned short shutdown_code) {
  69         WRITESHORT(PI_CMD_SHUTDOWN, shutdown_code);
  70
  71         RETURN_CMDRES;
  72 }
  73
  74 unsigned short pi_confirm_shutdown(unsigned short shutdown_code) {
  75         WRITESHORT(PI_CMD_CONFIRMSHUTDOWN, shutdown_code);
  76
  77         RETURN_CMDRES;
  78 }
  79
  80 // Kickstart/Extended ROM stuff
  81 unsigned short pi_remap_kickrom(char *filename) {
  82         WRITELONG(PI_STR1, (unsigned int)filename);
  83         WRITESHORT(PI_CMD_KICKROM, 1);
  84
  85         RETURN_CMDRES;
  86 }
  87
  88 unsigned short pi_remap_extrom(char *filename) {
  89         WRITELONG(PI_STR1, (unsigned int)filename);
  90         WRITESHORT(PI_CMD_EXTROM, 1);
  91
  92         RETURN_CMDRES;
  93 }
  94
  95 // File operation things
  96 unsigned short pi_get_filesize(char *filename, unsigned int *file_size) {
  97         WRITELONG(PI_STR1, (unsigned int)filename);
  98         READLONG(PI_CMD_FILESIZE, *file_size);
  99
 100         RETURN_CMDRES;
 101 }
 102
 103 unsigned short pi_transfer_file(char *filename, unsigned char *dest_ptr) {
 104         WRITELONG(PI_STR1, (unsigned int)filename);
 105         WRITELONG(PI_PTR1, (unsigned int)dest_ptr);
 106         WRITESHORT(PI_CMD_TRANSFERFILE, 1);
 107
 108         RETURN_CMDRES;
 109 }
 110
 111 unsigned short pi_memcpy(unsigned char *dst, unsigned char *src, unsigned int size) {
 112         WRITELONG(PI_PTR1, (unsigned int)src);
 113         WRITELONG(PI_PTR2, (unsigned int)dst);
 114         WRITELONG(PI_CMD_MEMCPY, size);
 115
 116         RETURN_CMDRES;
 117 }
 118
 119 // PiSCSI stuff
 120 // TODO: There's currently no way to read back what drives are mounted at which SCSI index.
 121 unsigned short pi_piscsi_map_drive(char *filename, unsigned char index) {
 122         WRITESHORT(PI_WORD1, index);
 123         WRITELONG(PI_STR1, (unsigned int)filename);
 124         WRITESHORT(PI_CMD_PISCSI_CTRL, PISCSI_CTRL_MAP);
 125
 126         RETURN_CMDRES;
 127 }
 128
 129 unsigned short pi_piscsi_unmap_drive(unsigned char index) {
 130         WRITESHORT(PI_WORD1, index);
 131         WRITESHORT(PI_CMD_PISCSI_CTRL, PISCSI_CTRL_UNMAP);
 132
 133         RETURN_CMDRES;
 134 }
 135
 136 // For virtual removable media. Not yet implemented.
 137 unsigned short pi_piscsi_insert_media(char *filename, unsigned char index) {
 138         WRITESHORT(PI_WORD1, index);
 139         WRITELONG(PI_STR1, (unsigned int)filename);
 140         WRITESHORT(PI_CMD_PISCSI_CTRL, PISCSI_CTRL_INSERT);
 141
 142         RETURN_CMDRES;
 143 }
 144
 145 unsigned short pi_piscsi_eject_media(unsigned char index) {
 146         WRITESHORT(PI_WORD1, index);
 147         WRITESHORT(PI_CMD_PISCSI_CTRL, PISCSI_CTRL_EJECT);
 148
 149         RETURN_CMDRES;
 150 }
 151
 152 // Config file stuff
 153 unsigned short pi_load_config(char *filename) {
 154         WRITELONG(PI_STR1, (unsigned int)filename);
 155         WRITESHORT(PI_CMD_SWITCHCONFIG, PICFG_LOAD);
 156
 157         RETURN_CMDRES;
 158 }
 159
 160 void pi_reload_config() {
 161         WRITESHORT(PI_CMD_SWITCHCONFIG, PICFG_RELOAD);
 162 }
 163
 164 void pi_load_default_config() {
 165         WRITESHORT(PI_CMD_SWITCHCONFIG, PICFG_DEFAULT);
 166 }
 167
 168 unsigned short pi_handle_config(unsigned char cmd, char *str) {
 169         if (cmd == PICFG_LOAD) {
 170                 WRITELONG(PI_STR1, (unsigned int)str);
 171         }
 172         WRITESHORT(PI_CMD_SWITCHCONFIG, cmd);
 173
 174         RETURN_CMDRES;
 175 }
 176
 177 // Simple feature status write functions
 178 void pi_enable_rtg(unsigned short val)
 179 {
 180     WRITESHORT(PI_CMD_RTGSTATUS, val);
 181 }
 182 void pi_enable_net(unsigned short val)
 183 {
 184     WRITESHORT(PI_CMD_NETSTATUS, val);
 185 }
 186 void pi_enable_piscsi(unsigned short val)
 187 {
 188     WRITESHORT(PI_CMD_PISCSI_CTRL, val);
 189 }
 190
 191 // Generic feature status setting function.
 192 // Example: pi_set_feature_status(PI_CMD_RTGSTATUS, 1) to enable RTG
 193 //          pi_set_feature_status(PI_CMD_PISCSI_CTRL, PISCSI_CTRL_ENABLE) to enable PiSCSI
 194 void pi_set_feature_status(unsigned short cmd, unsigned char value) {
 195         WRITESHORT(cmd, value);
 196 }
 197
 198 #define SIMPLEREAD_SHORT(a, b) \
 199     unsigned short a() { READSHORT(b, short_val); return short_val; }
 200
 201 // Simple feature status read functions
 202 unsigned short pi_get_hw_rev()
 203 {
 204     READSHORT(PI_CMD_HWREV, short_val);
 205     return short_val;
 206 }
 207 unsigned short pi_get_sw_rev()
 208 {
 209     READSHORT(PI_CMD_SWREV, short_val);
 210     return short_val;
 211 }
 212 unsigned short pi_get_rtg_status()
 213 {
 214     READSHORT(PI_CMD_RTGSTATUS, short_val);
 215     return short_val;
 216 }
 217 unsigned short pi_get_net_status()
 218 {
 219     READSHORT(PI_CMD_NETSTATUS, short_val);
 220     return short_val;
 221 }
 222 unsigned short pi_get_piscsi_status()
 223 {
 224     READSHORT(PI_CMD_PISCSI_CTRL, short_val);
 225     return short_val;
 226 }
 227 unsigned short pi_get_cmd_result()
 228 {
 229     READSHORT(PI_CMDRESULT, short_val);
 230     return short_val;
 231 }