1 // SPDX-License-Identifier: MIT
3 #include "../pistorm-dev-enums.h"
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>
13 #include <exec/execbase.h>
15 #include <devices/trackdisk.h>
16 #include <devices/timer.h>
17 #include <devices/scsidisk.h>
19 #include <libraries/filehandler.h>
21 #include <proto/exec.h>
22 #include <proto/disk.h>
23 #include <clib/expansion_protos.h>
29 unsigned int pistorm_base_addr = 0xFFFFFFFF;
31 #define WRITESHORT(cmd, val) *(unsigned short *)((unsigned int)(pistorm_base_addr+cmd)) = val;
32 #define WRITELONG(cmd, val) *(unsigned int *)((unsigned int)(pistorm_base_addr+cmd)) = val;
33 #define WRITEBYTE(cmd, val) *(unsigned char *)((unsigned int)(pistorm_base_addr+cmd)) = val;
35 #define READSHORT(cmd, var) var = *(volatile unsigned short *)(pistorm_base_addr + cmd);
36 #define READLONG(cmd, var) var = *(volatile unsigned int *)(pistorm_base_addr + cmd);
37 #define READBYTE(cmd, var) var = *(volatile unsigned short *)(pistorm_base_addr + cmd);
39 #define RETURN_CMDRES READSHORT(PI_CMDRESULT, short_val); return short_val;
41 unsigned short short_val;
42 unsigned int long_val;
44 unsigned int pi_find_pistorm(void) {
45 unsigned int board_addr = 0xFFFFFFFF;
46 struct ExpansionBase *expansionbase = (struct ExpansionBase *)OpenLibrary((STRPTR)"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);
60 pistorm_base_addr = board_addr;
64 void pi_reset_amiga(unsigned short reset_code) {
65 WRITESHORT(PI_CMD_RESET, reset_code);
68 unsigned short pi_shutdown_pi(unsigned short shutdown_code) {
69 WRITESHORT(PI_CMD_SHUTDOWN, shutdown_code);
74 unsigned short pi_confirm_shutdown(unsigned short shutdown_code) {
75 WRITESHORT(PI_CMD_CONFIRMSHUTDOWN, shutdown_code);
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);
88 unsigned short pi_remap_extrom(char *filename) {
89 WRITELONG(PI_STR1, (unsigned int)filename);
90 WRITESHORT(PI_CMD_EXTROM, 1);
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);
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);
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);
119 unsigned short pi_memset(unsigned char *dst, unsigned char val, unsigned int size) {
120 WRITELONG(PI_PTR1, (unsigned int)dst);
121 WRITEBYTE(PI_BYTE1, val);
122 WRITELONG(PI_CMD_MEMSET, size);
127 // Generic memory copyrect, assuming that the src/dst offsets are already adjusted for X/Y coordinates.
128 void pi_copyrect(unsigned char *dst, unsigned char *src,
129 unsigned short src_pitch, unsigned short dst_pitch,
130 unsigned short w, unsigned short h) {
131 WRITELONG(PI_PTR1, (unsigned int)src);
132 WRITELONG(PI_PTR2, (unsigned int)dst);
133 WRITESHORT(PI_WORD1, src_pitch);
134 WRITESHORT(PI_WORD2, dst_pitch);
135 WRITESHORT(PI_WORD3, w);
136 WRITESHORT(PI_WORD4, h);
138 WRITESHORT(PI_CMD_COPYRECT, 1);
141 // Extended memory copyrect, allowing specifying of source/dest X/Y coordinates.
142 void pi_copyrect_ex(unsigned char *dst, unsigned char *src,
143 unsigned short src_pitch, unsigned short dst_pitch,
144 unsigned short src_x, unsigned short src_y,
145 unsigned short dst_x, unsigned short dst_y,
146 unsigned short w, unsigned short h) {
147 WRITELONG(PI_PTR1, (unsigned int)src);
148 WRITELONG(PI_PTR2, (unsigned int)dst);
149 WRITESHORT(PI_WORD1, src_pitch);
150 WRITESHORT(PI_WORD2, dst_pitch);
151 WRITESHORT(PI_WORD3, w);
152 WRITESHORT(PI_WORD4, h);
154 WRITESHORT(PI_WORD5, src_x);
155 WRITESHORT(PI_WORD6, src_y);
156 WRITESHORT(PI_WORD7, dst_x);
157 WRITESHORT(PI_WORD8, dst_y);
159 WRITESHORT(PI_CMD_COPYRECT_EX, 1);
163 // TODO: There's currently no way to read back what drives are mounted at which SCSI index.
164 unsigned short pi_piscsi_map_drive(char *filename, unsigned char index) {
165 WRITESHORT(PI_WORD1, index);
166 WRITELONG(PI_STR1, (unsigned int)filename);
167 WRITESHORT(PI_CMD_PISCSI_CTRL, PISCSI_CTRL_MAP);
172 unsigned short pi_piscsi_unmap_drive(unsigned char index) {
173 WRITESHORT(PI_WORD1, index);
174 WRITESHORT(PI_CMD_PISCSI_CTRL, PISCSI_CTRL_UNMAP);
179 // For virtual removable media. Not yet implemented.
180 unsigned short pi_piscsi_insert_media(char *filename, unsigned char index) {
181 WRITESHORT(PI_WORD1, index);
182 WRITELONG(PI_STR1, (unsigned int)filename);
183 WRITESHORT(PI_CMD_PISCSI_CTRL, PISCSI_CTRL_INSERT);
188 unsigned short pi_piscsi_eject_media(unsigned char index) {
189 WRITESHORT(PI_WORD1, index);
190 WRITESHORT(PI_CMD_PISCSI_CTRL, PISCSI_CTRL_EJECT);
196 unsigned short pi_load_config(char *filename) {
197 WRITELONG(PI_STR1, (unsigned int)filename);
198 WRITESHORT(PI_CMD_SWITCHCONFIG, PICFG_LOAD);
203 void pi_reload_config(void) {
204 WRITESHORT(PI_CMD_SWITCHCONFIG, PICFG_RELOAD);
207 void pi_load_default_config(void) {
208 WRITESHORT(PI_CMD_SWITCHCONFIG, PICFG_DEFAULT);
211 unsigned short pi_handle_config(unsigned char cmd, char *str) {
212 if (cmd == PICFG_LOAD) {
213 WRITELONG(PI_STR1, (unsigned int)str);
215 WRITESHORT(PI_CMD_SWITCHCONFIG, cmd);
220 // Simple feature status write functions
221 void pi_enable_rtg(unsigned short val)
223 WRITESHORT(PI_CMD_RTGSTATUS, val);
225 void pi_enable_net(unsigned short val)
227 WRITESHORT(PI_CMD_NETSTATUS, val);
229 void pi_enable_piscsi(unsigned short val)
231 WRITESHORT(PI_CMD_PISCSI_CTRL, val);
234 // Generic feature status setting function.
235 // Example: pi_set_feature_status(PI_CMD_RTGSTATUS, 1) to enable RTG
236 // pi_set_feature_status(PI_CMD_PISCSI_CTRL, PISCSI_CTRL_ENABLE) to enable PiSCSI
237 void pi_set_feature_status(unsigned short cmd, unsigned char value) {
238 WRITESHORT(cmd, value);
241 #define SIMPLEREAD_SHORT(a, b) \
242 unsigned short a(void) { READSHORT(b, short_val); return short_val; }
244 unsigned int pi_get_fb(void) {
245 READLONG(PI_CMD_GET_FB, long_val);
249 // Simple feature status read functions
250 unsigned short pi_get_hw_rev(void)
252 READSHORT(PI_CMD_HWREV, short_val);
255 unsigned short pi_get_sw_rev(void)
257 READSHORT(PI_CMD_SWREV, short_val);
260 unsigned short pi_get_rtg_status(void)
262 READSHORT(PI_CMD_RTGSTATUS, short_val);
265 unsigned short pi_get_net_status(void)
267 READSHORT(PI_CMD_NETSTATUS, short_val);
270 unsigned short pi_get_piscsi_status(void)
272 READSHORT(PI_CMD_PISCSI_CTRL, short_val);
275 unsigned short pi_get_cmd_result(void)
277 READSHORT(PI_CMDRESULT, short_val);