1 // SPDX-License-Identifier: MIT
3 #include "../pistorm-dev-enums.h"
5 #include <exec/resident.h>
6 #include <exec/errors.h>
7 #include <exec/memory.h>
8 #include <exec/lists.h>
9 #include <exec/alerts.h>
10 #include <exec/tasks.h>
12 #include <exec/execbase.h>
14 #include <libraries/expansion.h>
16 #include <devices/trackdisk.h>
17 #include <devices/timer.h>
18 #include <devices/scsidisk.h>
20 #include <dos/filehandler.h>
22 #include <proto/exec.h>
23 #include <proto/disk.h>
24 #include <proto/expansion.h>
30 unsigned int pistorm_base_addr = 0xFFFFFFFF;
32 #define WRITESHORT(cmd, val) *(unsigned short *)((unsigned int)(pistorm_base_addr+cmd)) = val;
33 #define WRITELONG(cmd, val) *(unsigned int *)((unsigned int)(pistorm_base_addr+cmd)) = val;
34 #define WRITEBYTE(cmd, val) *(unsigned char *)((unsigned int)(pistorm_base_addr+cmd)) = val;
36 #define READSHORT(cmd, var) var = *(volatile unsigned short *)(pistorm_base_addr + cmd);
37 #define READLONG(cmd, var) var = *(volatile unsigned int *)(pistorm_base_addr + cmd);
38 #define READBYTE(cmd, var) var = *(volatile unsigned short *)(pistorm_base_addr + cmd);
40 #define RETURN_CMDRES READSHORT(PI_CMDRESULT, short_val); return short_val;
42 unsigned short short_val;
44 unsigned int pi_find_pistorm() {
45 unsigned int board_addr = 0xFFFFFFFF;
46 struct ExpansionBase *expansionbase = (struct ExpansionBase *)OpenLibrary("expansion.library", 0L);
48 if (expansionbase == NULL) {
50 printf("Failed to open expansion.library.\n");
54 struct ConfigDev* cd = NULL;
55 cd = (struct ConfigDev*)FindConfigDev(cd, 2011, 0x6B);
57 board_addr = (unsigned int)cd->cd_BoardAddr;
58 CloseLibrary((struct Library *)expansionbase);
63 void pi_reset_amiga(unsigned short reset_code) {
64 WRITESHORT(PI_CMD_RESET, reset_code);
67 unsigned short pi_shutdown_pi(unsigned short shutdown_code) {
68 WRITESHORT(PI_CMD_SHUTDOWN, shutdown_code);
73 unsigned short pi_confirm_shutdown(unsigned short shutdown_code) {
74 WRITESHORT(PI_CMD_CONFIRMSHUTDOWN, shutdown_code);
79 // Kickstart/Extended ROM stuff
80 unsigned short pi_remap_kickrom(char *filename) {
81 WRITELONG(PI_STR1, (unsigned int)filename);
82 WRITESHORT(PI_CMD_KICKROM, 1);
87 unsigned short pi_remap_extrom(char *filename) {
88 WRITELONG(PI_STR1, (unsigned int)filename);
89 WRITESHORT(PI_CMD_EXTROM, 1);
94 // File operation things
95 unsigned short pi_get_filesize(char *filename, unsigned int *file_size) {
96 WRITELONG(PI_STR1, (unsigned int)filename);
97 READLONG(PI_CMD_FILESIZE, *file_size);
102 unsigned short pi_transfer_file(char *filename, unsigned char *dest_ptr) {
103 WRITELONG(PI_STR1, (unsigned int)filename);
104 WRITELONG(PI_PTR1, (unsigned int)dest_ptr);
105 WRITESHORT(PI_CMD_TRANSFERFILE, 1);
111 // TODO: There's currently no way to read back what drives are mounted at which SCSI index.
112 unsigned short pi_piscsi_map_drive(char *filename, unsigned char index) {
113 WRITESHORT(PI_WORD1, index);
114 WRITELONG(PI_STR1, (unsigned int)filename);
115 WRITESHORT(PI_CMD_PISCSI_CTRL, PISCSI_CTRL_MAP);
120 unsigned short pi_piscsi_unmap_drive(unsigned char index) {
121 WRITESHORT(PI_WORD1, index);
122 WRITESHORT(PI_CMD_PISCSI_CTRL, PISCSI_CTRL_UNMAP);
127 // For virtual removable media. Not yet implemented.
128 unsigned short pi_piscsi_insert_media(char *filename, unsigned char index) {
129 WRITESHORT(PI_WORD1, index);
130 WRITELONG(PI_STR1, (unsigned int)filename);
131 WRITESHORT(PI_CMD_PISCSI_CTRL, PISCSI_CTRL_INSERT);
136 unsigned short pi_piscsi_eject_media(unsigned char index) {
137 WRITESHORT(PI_WORD1, index);
138 WRITESHORT(PI_CMD_PISCSI_CTRL, PISCSI_CTRL_EJECT);
144 unsigned short pi_load_config(char *filename) {
145 WRITELONG(PI_STR1, (unsigned int)filename);
146 WRITESHORT(PI_CMD_SWITCHCONFIG, PICFG_LOAD);
151 void pi_reload_config() {
152 WRITESHORT(PI_CMD_SWITCHCONFIG, PICFG_RELOAD);
155 void pi_load_default_config() {
156 WRITESHORT(PI_CMD_SWITCHCONFIG, PICFG_DEFAULT);
159 unsigned short pi_handle_config(unsigned char cmd, char *str) {
160 if (cmd == PICFG_LOAD) {
161 WRITELONG(PI_STR1, (unsigned int)str);
163 WRITESHORT(PI_CMD_SWITCHCONFIG, cmd);
169 #define SIMPLEWRITE_SHORT(a, b) \
170 void a(unsigned short val) { WRITESHORT(b, val); }
172 // Simple feature status write functions
173 SIMPLEWRITE_SHORT(pi_enable_rtg, PI_CMD_RTGSTATUS);
174 SIMPLEWRITE_SHORT(pi_enable_net, PI_CMD_NETSTATUS);
175 SIMPLEWRITE_SHORT(pi_enable_piscsi, PI_CMD_RTGSTATUS);
177 // Generic feature status setting function.
178 // Example: pi_set_feature_status(PI_CMD_RTGSTATUS, 1) to enable RTG
179 // pi_set_feature_status(PI_CMD_PISCSI_CTRL, PISCSI_CTRL_ENABLE) to enable PiSCSI
180 void pi_set_feature_status(unsigned short cmd, unsigned char value) {
181 WRITESHORT(cmd, value);
184 #define SIMPLEREAD_SHORT(a, b) \
185 unsigned short a() { READSHORT(b, short_val); return short_val; }
187 // Simple feature status read functions
188 SIMPLEREAD_SHORT(pi_get_hw_rev, PI_CMD_HWREV);
189 SIMPLEREAD_SHORT(pi_get_sw_rev, PI_CMD_SWREV);
190 SIMPLEREAD_SHORT(pi_get_rtg_status, PI_CMD_RTGSTATUS);
191 SIMPLEREAD_SHORT(pi_get_net_status, PI_CMD_NETSTATUS);
192 SIMPLEREAD_SHORT(pi_get_piscsi_status, PI_CMD_PISCSI_CTRL);
193 SIMPLEREAD_SHORT(pi_get_cmd_result, PI_CMDRESULT);