// SPDX-License-Identifier: MIT
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <time.h>
+
#include "pistorm-dev.h"
#include "pistorm-dev-enums.h"
-#include <stdio.h>
+#include "platforms/platforms.h"
+#include "gpio/ps_protocol.h"
+#include "platforms/amiga/rtg/rtg.h"
+#include "platforms/amiga/piscsi/piscsi.h"
+#include "platforms/amiga/net/pi-net.h"
+
+#include <linux/reboot.h>
+#include <sys/reboot.h>
+#include <endian.h>
#define DEBUG_PISTORM_DEVICE
#ifdef DEBUG_PISTORM_DEVICE
#define DEBUG printf
-#define PIDEV_SWREV 0x0105
-
static const char *op_type_names[4] = {
"BYTE",
"WORD",
#define DEBUG(...)
#endif
+#define PIDEV_SWREV 0x0105
+
extern uint32_t pistorm_dev_base;
extern uint32_t do_reset;
-extern uint8_t rtg_enabled, rtg_on, pinet_enabled, piscsi_enabled;
+extern void adjust_ranges_amiga(struct emulator_config *cfg);
+extern uint8_t rtg_enabled, rtg_on, pinet_enabled, piscsi_enabled, load_new_config, end_signal;
+extern struct emulator_config *cfg;
+extern int cpu_emulation_running;
+
+char cfg_filename[256] = "default.cfg";
+char tmp_string[256];
+
+static uint8_t pi_byte[32];
+static uint16_t pi_word[32];
+static uint32_t pi_longword[32];
+static uint32_t pi_string[32];
+static uint32_t pi_ptr[32];
+
+static uint32_t pi_dbg_val[32];
+static uint32_t pi_dbg_string[32];
+
+static uint32_t pi_cmd_result = 0, shutdown_confirm = 0xFFFFFFFF;
+
+int32_t grab_amiga_string(uint32_t addr, uint8_t *dest, uint32_t str_max_len) {
+ int32_t r = get_mapped_item_by_address(cfg, addr);
+ uint32_t index = 0;
+
+ if (r == -1) {
+ DEBUG("[GRAB_AMIGA_STRING] No mapped range found for address $%.8X. Grabbing string data over the bus.\n", addr);
+ do {
+ dest[index] = (unsigned char)m68k_read_memory_8(addr + index);
+ index++;
+ } while (dest[index - 1] != 0x00 && index < str_max_len);
+ }
+ else {
+ uint8_t *src = cfg->map_data[r] + (addr - cfg->map_offset[r]);
+ do {
+ dest[index] = src[index];
+ index++;
+ } while (dest[index - 1] != 0x00 && index < str_max_len);
+ }
+ if (index == str_max_len) {
+ memset(dest, 0x00, str_max_len + 1);
+ return -1;
+ }
+ DEBUG("[GRAB_AMIGA_STRING] Grabbed string: %s\n", dest);
+ return (int32_t)strlen((const char*)dest);
+}
+
+int32_t amiga_transfer_file(uint32_t addr, char *filename) {
+ FILE *in = fopen(filename, "rb");
+ if (in == NULL) {
+ DEBUG("[AMIGA_TRANSFER_FILE] Failed to open file %s for reading.\n", filename);
+ return -1;
+ }
+ fseek(in, 0, SEEK_END);
+
+ int32_t r = get_mapped_item_by_address(cfg, addr);
+ uint32_t filesize = ftell(in);
+
+ fseek(in, 0, SEEK_SET);
+ if (r == -1) {
+ DEBUG("[GRAB_AMIGA_STRING] No mapped range found for address $%.8X. Transferring file data over the bus.\n", addr);
+ uint8_t tmp_read = 0;
+
+ for (uint32_t i = 0; i < filesize; i++) {
+ tmp_read = (uint8_t)fgetc(in);
+ m68k_write_memory_8(addr + i, tmp_read);
+ }
+ } else {
+ uint8_t *dst = cfg->map_data[r] + (addr - cfg->map_offset[r]);
+ fread(dst, filesize, 1, in);
+ }
+ fclose(in);
+ DEBUG("[AMIGA_TRANSFER_FILE] Copied %d bytes to address $%.8X.\n", filesize, addr);
+
+ return 0;
+}
+
+char *get_pistorm_devcfg_filename() {
+ return cfg_filename;
+}
+
+void set_pistorm_devcfg_filename(char *filename) {
+ strcpy(cfg_filename, filename);
+}
+
+void handle_pistorm_dev_write(uint32_t addr_, uint32_t val, uint8_t type) {
+ uint32_t addr = (addr_ & 0xFFFF);
+
+ switch((addr)) {
+ case PI_DBG_MSG:
+ // Output debug message based on value written and data in val/str registers.
+ break;
+ case PI_DBG_VAL1: case PI_DBG_VAL2: case PI_DBG_VAL3: case PI_DBG_VAL4:
+ case PI_DBG_VAL5: case PI_DBG_VAL6: case PI_DBG_VAL7: case PI_DBG_VAL8:
+ DEBUG("[PISTORM-DEV] Set DEBUG VALUE %d to %d ($%.8X)\n", (addr - PI_DBG_VAL1) / 4, val, val);
+ pi_dbg_val[(addr - PI_DBG_VAL1) / 4] = val;
+ break;
+ case PI_DBG_STR1: case PI_DBG_STR2: case PI_DBG_STR3: case PI_DBG_STR4:
+ DEBUG("[PISTORM-DEV] Set DEBUG STRING POINTER %d to $%.8X\n", (addr - PI_DBG_STR1) / 4, val);
+ pi_dbg_string[(addr - PI_DBG_STR1) / 4] = val;
+ break;
+
+ case PI_BYTE1: case PI_BYTE2: case PI_BYTE3: case PI_BYTE4:
+ case PI_BYTE5: case PI_BYTE6: case PI_BYTE7: case PI_BYTE8:
+ DEBUG("[PISTORM-DEV] Set BYTE %d to %d ($%.2X)\n", addr - PI_BYTE1, (val & 0xFF), (val & 0xFF));
+ pi_byte[addr - PI_BYTE1] = (val & 0xFF);
+ break;
+ case PI_WORD1: case PI_WORD2: case PI_WORD3: case PI_WORD4:
+ //DEBUG("[PISTORM-DEV] Set WORD %d to %d ($%.4X)\n", (addr - PI_WORD1) / 2, (val & 0xFFFF), (val & 0xFFFF));
+ pi_word[(addr - PI_WORD1) / 2] = (val & 0xFFFF);
+ break;
+ case PI_WORD5: case PI_WORD6: case PI_WORD7: case PI_WORD8:
+ case PI_WORD9: case PI_WORD10: case PI_WORD11: case PI_WORD12:
+ //DEBUG("[PISTORM-DEV] Set WORD %d to %d ($%.4X)\n", (addr - PI_WORD5) / 2, (val & 0xFFFF), (val & 0xFFFF));
+ pi_word[(addr - PI_WORD5) / 2] = (val & 0xFFFF);
+ break;
+ case PI_LONGWORD1: case PI_LONGWORD2: case PI_LONGWORD3: case PI_LONGWORD4:
+ //DEBUG("[PISTORM-DEV] Set LONGWORD %d to %d ($%.8X)\n", (addr - PI_LONGWORD1) / 4, val, val);
+ pi_longword[(addr - PI_LONGWORD1) / 4] = val;
+ break;
+ case PI_STR1: case PI_STR2: case PI_STR3: case PI_STR4:
+ DEBUG("[PISTORM-DEV] Set STRING POINTER %d to $%.8X\n", (addr - PI_STR1) / 4, val);
+ pi_string[(addr - PI_STR1) / 4] = val;
+ break;
+ case PI_PTR1: case PI_PTR2: case PI_PTR3: case PI_PTR4:
+ //DEBUG("[PISTORM-DEV] Set DATA POINTER %d to $%.8X\n", (addr - PI_PTR1) / 4, val);
+ pi_ptr[(addr - PI_PTR1) / 4] = val;
+ break;
+
+ case PI_CMD_TRANSFERFILE:
+ DEBUG("[PISTORM-DEV] Write to TRANSFERFILE.\n");
+ if (pi_string[0] == 0 || grab_amiga_string(pi_string[0], (uint8_t *)tmp_string, 255) == -1) {
+ printf("[PISTORM-DEV] No or invalid filename for TRANSFERFILE. Aborting.\n");
+ pi_cmd_result = PI_RES_INVALIDVALUE;
+ } else if (pi_ptr[0] == 0) {
+ printf("[PISTORM-DEV] Null pointer specified for TRANSFERFILE destination. Aborting.\n");
+ pi_cmd_result = PI_RES_INVALIDVALUE;
+ } else {
+ if (amiga_transfer_file(pi_ptr[0], tmp_string) == -1) {
+ pi_cmd_result = PI_RES_FAILED;
+ } else {
+ pi_cmd_result = PI_RES_OK;
+ }
+ }
+ pi_string[0] = 0;
+ pi_ptr[0] = 0;
+ break;
+ case PI_CMD_MEMCPY_Q:
+ DEBUG("CopyMemQuick.\n");
+ if ((pi_ptr[0] & 0x03) != 0) {
+ DEBUG("[!!!PISTORM-DEV] CopyMemQuick src not aligned: %.8X\n", pi_ptr[0]);
+ }
+ if (pi_ptr[1] & 0x03) {
+ DEBUG("[!!!PISTORM-DEV] CopyMemQuick dst not aligned: %.8X\n", pi_ptr[1]);
+ }
+ if (val & 0x03) {
+ DEBUG("[!!!PISTORM-DEV] CopyMemQuick size not aligned: %.8X\n", val);
+ }
+ // Fallthrough
+ case PI_CMD_MEMCPY:
+ //DEBUG("[PISTORM-DEV} Write to MEMCPY: %d (%.8X)\n", val, val);
+ if (pi_ptr[0] == 0 || pi_ptr[1] == 0) {
+ printf("[PISTORM-DEV] MEMCPY from/to null pointer not allowed. Aborting.\n");
+ pi_cmd_result = PI_RES_INVALIDVALUE;
+ } else if (val == 0) {
+ printf("[PISTORM-DEV] MEMCPY called with size 0. Aborting.\n");
+ pi_cmd_result = PI_RES_INVALIDVALUE;
+ } else {
+ //DEBUG("[PISTORM-DEV] Copy %d bytes from $%.8X to $%.8X\n", val, pi_ptr[0], pi_ptr[1]);
+ int32_t src = get_mapped_item_by_address(cfg, pi_ptr[0]);
+ int32_t dst = get_mapped_item_by_address(cfg, pi_ptr[1]);
+ if (cfg->map_type[dst] == MAPTYPE_ROM)
+ break;
+ if (dst != -1 && src != -1) {
+ uint8_t *src_ptr = &cfg->map_data[src][(pi_ptr[0] - cfg->map_offset[src])];
+ uint8_t *dst_ptr = &cfg->map_data[dst][(pi_ptr[1] - cfg->map_offset[dst])];
+ memcpy(dst_ptr, src_ptr, val);
+ } else {
+ uint8_t tmp = 0;
+ uint16_t tmps = 0;
+ for (uint32_t i = 0; i < val; i++) {
+ while (i + 2 < val) {
+ if (src == -1) tmps = (uint16_t)htobe16(m68k_read_memory_16(pi_ptr[0] + i));
+ else memcpy(&tmps, &cfg->map_data[src][pi_ptr[0] - cfg->map_offset[src] + i], 2);
+
+ if (dst == -1) m68k_write_memory_16(pi_ptr[1] + i, be16toh(tmps));
+ else memcpy(&cfg->map_data[dst][pi_ptr[1] - cfg->map_offset[dst] + i], &tmps, 2);
+ i += 2;
+ }
+ if (src == -1) tmp = (uint8_t)m68k_read_memory_8(pi_ptr[0] + i);
+ else tmp = cfg->map_data[src][pi_ptr[0] - cfg->map_offset[src] + i];
+
+ if (dst == -1) m68k_write_memory_8(pi_ptr[1] + i, tmp);
+ else cfg->map_data[dst][pi_ptr[1] - cfg->map_offset[dst] + i] = tmp;
+ }
+ }
+ //DEBUG("[PISTORM-DEV] Copied %d bytes from $%.8X to $%.8X\n", val, pi_ptr[0], pi_ptr[1]);
+ }
+ break;
+ case PI_CMD_MEMSET:
+ //DEBUG("[PISTORM-DEV} Write to MEMSET: %d (%.8X)\n", val, val);
+ if (pi_ptr[0] == 0) {
+ printf("[PISTORM-DEV] MEMSET with null pointer not allowed. Aborting.\n");
+ pi_cmd_result = PI_RES_INVALIDVALUE;
+ } else if (val == 0) {
+ printf("[PISTORM-DEV] MEMSET called with size 0. Aborting.\n");
+ pi_cmd_result = PI_RES_INVALIDVALUE;
+ } else {
+ int32_t dst = get_mapped_item_by_address(cfg, pi_ptr[0]);
+ if (cfg->map_type[dst] == MAPTYPE_ROM)
+ break;
+ if (dst != -1) {
+ uint8_t *dst_ptr = &cfg->map_data[dst][(pi_ptr[0] - cfg->map_offset[dst])];
+ memset(dst_ptr, pi_byte[0], val);
+ } else {
+ for (uint32_t i = 0; i < val; i++) {
+ m68k_write_memory_8(pi_ptr[0] + i, pi_byte[0]);
+ }
+ }
+ }
+ break;
+ case PI_CMD_COPYRECT:
+ case PI_CMD_COPYRECT_EX:
+ if (pi_ptr[0] == 0 || pi_ptr[1] == 0) {
+ printf("[PISTORM-DEV] COPYRECT/EX from/to null pointer not allowed. Aborting.\n");
+ pi_cmd_result = PI_RES_INVALIDVALUE;
+ } else if (pi_word[2] == 0 || pi_word[3] == 0) {
+ printf("[PISTORM-DEV] COPYRECT/EX called with a width/height of 0. Aborting.\n");
+ pi_cmd_result = PI_RES_INVALIDVALUE;
+ } else {
+ int32_t src = get_mapped_item_by_address(cfg, pi_ptr[0]);
+ int32_t dst = get_mapped_item_by_address(cfg, pi_ptr[1]);
+
+ if (addr != PI_CMD_COPYRECT_EX) {
+ // Clear out the src/dst coordinates in case something else set them previously.
+ pi_word[4] = pi_word[5] = pi_word[6] = pi_word[7] = 0;
+ }
+
+ if (dst != -1 && src != -1) {
+ uint8_t *src_ptr = &cfg->map_data[src][(pi_ptr[0] - cfg->map_offset[src])];
+ uint8_t *dst_ptr = &cfg->map_data[dst][(pi_ptr[1] - cfg->map_offset[dst])];
+
+ if (addr == PI_CMD_COPYRECT_EX) {
+ // Adjust pointers in the case of available src/dst coordinates.
+ src_ptr += pi_word[4] + (pi_word[5] * pi_word[0]);
+ dst_ptr += pi_word[6] + (pi_word[7] * pi_word[1]);
+ }
+
+ for (int i = 0; i < pi_word[3]; i++) {
+ memcpy(dst_ptr, src_ptr, pi_word[2]);
+
+ src_ptr += pi_word[0];
+ dst_ptr += pi_word[1];
+ }
+ } else {
+ uint32_t src_offset = 0, dst_offset = 0;
+ uint8_t tmp = 0;
+
+ if (addr == PI_CMD_COPYRECT_EX) {
+ src_offset += pi_word[4] + (pi_word[5] * pi_word[0]);
+ dst_offset += pi_word[6] + (pi_word[7] * pi_word[1]);
+ }
+
+ for (uint32_t y = 0; y < pi_word[3]; y++) {
+ for (uint32_t x = 0; x < pi_word[2]; x++) {
+ if (src == -1) tmp = (unsigned char)m68k_read_memory_8(pi_ptr[0] + src_offset + x);
+ else tmp = cfg->map_data[src][(pi_ptr[0] + src_offset + x) - cfg->map_offset[src]];
+
+ if (dst == -1) m68k_write_memory_8(pi_ptr[1] + dst_offset + x, tmp);
+ else cfg->map_data[dst][(pi_ptr[1] + dst_offset + x) - cfg->map_offset[dst]] = tmp;
+ }
+ src_offset += pi_word[0];
+ dst_offset += pi_word[1];
+ }
+ }
+ }
+ break;
+
+ case PI_CMD_SHOWFPS: rtg_show_fps((uint8_t)val); break;
+ case PI_CMD_PALETTEDEBUG: rtg_palette_debug((uint8_t)val); break;
+ case PI_CMD_RTGSTATUS:
+ DEBUG("[PISTORM-DEV] Write to RTGSTATUS: %d\n", val);
+ if (val == 1 && !rtg_enabled) {
+ init_rtg_data(cfg);
+ rtg_enabled = 1;
+ pi_cmd_result = PI_RES_OK;
+ } else if (val == 0 && rtg_enabled) {
+ if (!rtg_on) {
+ shutdown_rtg();
+ rtg_enabled = 0;
+ pi_cmd_result = PI_RES_OK;
+ } else {
+ // Refuse to disable RTG if it's currently in use.
+ pi_cmd_result = PI_RES_FAILED;
+ }
+ } else {
+ pi_cmd_result = PI_RES_NOCHANGE;
+ }
+ adjust_ranges_amiga(cfg);
+ break;
+ case PI_CMD_NETSTATUS:
+ DEBUG("[PISTORM-DEV] Write to NETSTATUS: %d\n", val);
+ if (val == 1 && !pinet_enabled) {
+ pinet_init(NULL);
+ pinet_enabled = 1;
+ pi_cmd_result = PI_RES_OK;
+ } else if (val == 0 && pinet_enabled) {
+ pinet_shutdown();
+ pinet_enabled = 0;
+ pi_cmd_result = PI_RES_OK;
+ } else {
+ pi_cmd_result = PI_RES_NOCHANGE;
+ }
+ adjust_ranges_amiga(cfg);
+ break;
+ case PI_CMD_PISCSI_CTRL:
+ DEBUG("[PISTORM-DEV] Write to PISCSI_CTRL: ");
+ switch(val) {
+ case PISCSI_CTRL_DISABLE:
+ DEBUG("DISABLE\n");
+ if (piscsi_enabled) {
+ piscsi_shutdown();
+ piscsi_enabled = 0;
+ // Probably not OK... depends on if you booted from floppy, I guess.
+ pi_cmd_result = PI_RES_OK;
+ } else {
+ pi_cmd_result = PI_RES_NOCHANGE;
+ }
+ break;
+ case PISCSI_CTRL_ENABLE:
+ DEBUG("ENABLE\n");
+ if (!piscsi_enabled) {
+ piscsi_init();
+ piscsi_enabled = 1;
+ piscsi_refresh_drives();
+ pi_cmd_result = PI_RES_OK;
+ } else {
+ pi_cmd_result = PI_RES_NOCHANGE;
+ }
+ break;
+ case PISCSI_CTRL_MAP:
+ DEBUG("MAP\n");
+ if (pi_string[0] == 0 || grab_amiga_string(pi_string[0], (uint8_t *)tmp_string, 255) == -1) {
+ printf("[PISTORM-DEV] Failed to grab string for PISCSI drive filename. Aborting.\n");
+ pi_cmd_result = PI_RES_FAILED;
+ } else {
+ FILE *tmp = fopen(tmp_string, "rb");
+ if (tmp == NULL) {
+ printf("[PISTORM-DEV] Failed to open file %s for PISCSI drive mapping. Aborting.\n", tmp_string);
+ pi_cmd_result = PI_RES_FILENOTFOUND;
+ } else {
+ fclose(tmp);
+ printf("[PISTORM-DEV] Attempting to map file %s as PISCSI drive %d...\n", tmp_string, pi_word[0]);
+ piscsi_unmap_drive(pi_word[0]);
+ piscsi_map_drive(tmp_string, pi_word[0]);
+ pi_cmd_result = PI_RES_OK;
+ }
+ }
+ pi_string[0] = 0;
+ break;
+ case PISCSI_CTRL_UNMAP:
+ DEBUG("UNMAP\n");
+ if (pi_word[0] > 7) {
+ printf("[PISTORM-DEV] Invalid drive ID %d for PISCSI unmap command.", pi_word[0]);
+ pi_cmd_result = PI_RES_INVALIDVALUE;
+ } else {
+ if (piscsi_get_dev(pi_word[0])->fd != -1) {
+ piscsi_unmap_drive(pi_word[0]);
+ pi_cmd_result = PI_RES_OK;
+ } else {
+ pi_cmd_result = PI_RES_NOCHANGE;
+ }
+ }
+ break;
+ case PISCSI_CTRL_EJECT:
+ DEBUG("EJECT (NYI)\n");
+ pi_cmd_result = PI_RES_NOCHANGE;
+ break;
+ case PISCSI_CTRL_INSERT:
+ DEBUG("INSERT (NYI)\n");
+ pi_cmd_result = PI_RES_NOCHANGE;
+ break;
+ default:
+ DEBUG("UNKNOWN/UNHANDLED. Aborting.\n");
+ pi_cmd_result = PI_RES_INVALIDVALUE;
+ break;
+ }
+ adjust_ranges_amiga(cfg);
+ break;
+
+ case PI_CMD_KICKROM:
+ DEBUG("[PISTORM-DEV] Write to KICKROM.\n");
+ if (pi_string[0] == 0 || grab_amiga_string(pi_string[0], (uint8_t *)tmp_string, 255) == -1) {
+ printf("[PISTORM-DEV] Failed to grab string KICKROM filename. Aborting.\n");
+ pi_cmd_result = PI_RES_FAILED;
+ } else {
+ FILE *tmp = fopen(tmp_string, "rb");
+ if (tmp == NULL) {
+ printf("[PISTORM-DEV] Failed to open file %s for KICKROM mapping. Aborting.\n", tmp_string);
+ pi_cmd_result = PI_RES_FILENOTFOUND;
+ } else {
+ fclose(tmp);
+ if (get_named_mapped_item(cfg, "kickstart") != -1) {
+ uint32_t index = get_named_mapped_item(cfg, "kickstart");
+ free(cfg->map_data[index]);
+ free(cfg->map_id[index]);
+ cfg->map_type[index] = MAPTYPE_NONE;
+ // Dirty hack, I am sleepy and lazy.
+ add_mapping(cfg, MAPTYPE_ROM, cfg->map_offset[index], cfg->map_size[index], 0, tmp_string, "kickstart", 0);
+ pi_cmd_result = PI_RES_OK;
+ do_reset = 1;
+ } else {
+ printf ("[PISTORM-DEV] Could not find mapped range 'kickstart', cannot remap KICKROM.\n");
+ pi_cmd_result = PI_RES_FAILED;
+ }
+ }
+ }
+ adjust_ranges_amiga(cfg);
+ pi_string[0] = 0;
+ break;
+ case PI_CMD_EXTROM:
+ DEBUG("[PISTORM-DEV] Write to EXTROM.\n");
+ if (pi_string[0] == 0 || grab_amiga_string(pi_string[0], (uint8_t *)tmp_string, 255) == -1) {
+ printf("[PISTORM-DEV] Failed to grab string EXTROM filename. Aborting.\n");
+ pi_cmd_result = PI_RES_FAILED;
+ } else {
+ FILE *tmp = fopen(tmp_string, "rb");
+ if (tmp == NULL) {
+ printf("[PISTORM-DEV] Failed to open file %s for EXTROM mapping. Aborting.\n", tmp_string);
+ pi_cmd_result = PI_RES_FILENOTFOUND;
+ } else {
+ fclose(tmp);
+ if (get_named_mapped_item(cfg, "extended") != -1) {
+ uint32_t index = get_named_mapped_item(cfg, "extended");
+ free(cfg->map_data[index]);
+ free(cfg->map_id[index]);
+ cfg->map_type[index] = MAPTYPE_NONE;
+ // Dirty hack, I am tired and lazy.
+ add_mapping(cfg, MAPTYPE_ROM, cfg->map_offset[index], cfg->map_size[index], 0, tmp_string, "extended", 0);
+ pi_cmd_result = PI_RES_OK;
+ do_reset = 1;
+ } else {
+ printf ("[PISTORM-DEV] Could not find mapped range 'extrom', cannot remap EXTROM.\n");
+ pi_cmd_result = PI_RES_FAILED;
+ }
+ }
+ }
+ adjust_ranges_amiga(cfg);
+ pi_string[0] = 0;
+ break;
-void handle_pistorm_dev_write(uint32_t addr, uint32_t val, uint8_t type) {
- switch((addr & 0xFFFF)) {
case PI_CMD_RESET:
- DEBUG("[PISTORM-DEV] System reset called through PiStorm interaction device, code %d\n", (val & 0xFFFF));
+ DEBUG("[PISTORM-DEV] System reset called, code %d\n", (val & 0xFFFF));
do_reset = 1;
break;
+ case PI_CMD_SHUTDOWN:
+ DEBUG("[PISTORM-DEV] Shutdown requested. Confirm by replying with return value to CONFIRMSHUTDOWN.\n");
+ shutdown_confirm = rand() % 0xFFFF;
+ pi_cmd_result = shutdown_confirm;
+ break;
+ case PI_CMD_CONFIRMSHUTDOWN:
+ if (val != shutdown_confirm) {
+ DEBUG("[PISTORM-DEV] Attempted shutdown with wrong shutdown confirm value. Not shutting down.\n");
+ shutdown_confirm = 0xFFFFFFFF;
+ pi_cmd_result = PI_RES_FAILED;
+ } else {
+ printf("[PISTORM-DEV] Shutting down the PiStorm. Good night, fight well, until we meet again.\n");
+ reboot(LINUX_REBOOT_CMD_POWER_OFF);
+ pi_cmd_result = PI_RES_OK;
+ end_signal = 1;
+ }
+ break;
+ case PI_CMD_SWITCHCONFIG:
+ DEBUG("[PISTORM-DEV] Config switch called, command: ");
+ switch (val) {
+ case PICFG_LOAD:
+ DEBUG("LOAD\n");
+ if (pi_string[0] == 0 || grab_amiga_string(pi_string[0], (uint8_t *)cfg_filename, 255) == -1) {
+ printf("[PISTORM-DEV] Failed to grab string for CONFIG filename. Aborting.\n");
+ pi_cmd_result = PI_RES_FAILED;
+ } else {
+ FILE *tmp = fopen(cfg_filename, "rb");
+ if (tmp == NULL) {
+ printf("[PISTORM-DEV] Failed to open CONFIG file %s for reading. Aborting.\n", cfg_filename);
+ pi_cmd_result = PI_RES_FILENOTFOUND;
+ } else {
+ fclose(tmp);
+ printf("[PISTORM-DEV] Attempting to load config file %s...\n", cfg_filename);
+ load_new_config = val + 1;
+ pi_cmd_result = PI_RES_OK;
+ }
+ }
+ pi_string[0] = 0;
+ break;
+ case PICFG_RELOAD:
+ DEBUG("RELOAD\n");
+ printf("[PISTORM-DEV] Reloading current config file (%s)...\n", cfg_filename);
+ load_new_config = val + 1;
+ break;
+ case PICFG_DEFAULT:
+ DEBUG("DEFAULT\n");
+ printf("[PISTORM-DEV] Loading default.cfg...\n");
+ load_new_config = val + 1;
+ break;
+ default:
+ DEBUG("UNKNOWN/UNHANDLED. Command ignored.\n");
+ pi_cmd_result = PI_RES_INVALIDVALUE;
+ break;
+ }
+ break;
default:
DEBUG("[PISTORM-DEV] WARN: Unhandled %s register write to %.4X: %d\n", op_type_names[type], addr - pistorm_dev_base, val);
+ pi_cmd_result = PI_RES_INVALIDCMD;
break;
}
}
-uint32_t handle_pistorm_dev_read(uint32_t addr, uint8_t type) {
- switch((addr & 0xFFFF)) {
+uint32_t handle_pistorm_dev_read(uint32_t addr_, uint8_t type) {
+ uint32_t addr = (addr_ & 0xFFFF);
+
+ switch((addr)) {
+ case PI_CMD_FILESIZE:
+ DEBUG("[PISTORM-DEV] %s read from FILESIZE.\n", op_type_names[type]);
+ if (pi_string[0] == 0 || grab_amiga_string(pi_string[0], (uint8_t *)tmp_string, 255) == -1) {
+ DEBUG("[PISTORM-DEV] Failed to grab string for FILESIZE command. Aborting.\n");
+ pi_cmd_result = PI_RES_FAILED;
+ pi_longword[0] = 0;
+ return 0;
+ } else {
+ FILE *tmp = fopen(tmp_string, "rb");
+ if (tmp == NULL) {
+ DEBUG("[PISTORM-DEV] Failed to open file %s for FILESIZE command. Aborting.\n", tmp_string);
+ pi_longword[0] = 0;
+ pi_cmd_result = PI_RES_FILENOTFOUND;
+ } else {
+ fseek(tmp, 0, SEEK_END);
+ pi_longword[0] = ftell(tmp);
+ DEBUG("[PISTORM-DEV] Returning file size for file %s: %d bytes.\n", tmp_string, pi_longword[0]);
+ fclose(tmp);
+ pi_cmd_result = PI_RES_OK;
+ }
+ }
+ pi_string[0] = 0;
+ return pi_longword[0];
+ break;
+
case PI_CMD_HWREV:
// Probably replace this with some read from the CPLD to get a simple hardware revision.
DEBUG("[PISTORM-DEV] %s Read from HWREV\n", op_type_names[type]);
DEBUG("[PISTORM-DEV] %s Read from PISCSI_CTRL\n", op_type_names[type]);
return piscsi_enabled;
break;
+ case PI_CMD_GET_FB:
+ //DEBUG("[PISTORM-DEV] %s read from GET_FB: %.8X\n", op_type_names[type], rtg_get_fb());
+ return rtg_get_fb();
+
+ case PI_DBG_VAL1: case PI_DBG_VAL2: case PI_DBG_VAL3: case PI_DBG_VAL4:
+ case PI_DBG_VAL5: case PI_DBG_VAL6: case PI_DBG_VAL7: case PI_DBG_VAL8:
+ DEBUG("[PISTORM-DEV] Read DEBUG VALUE %d (%d / $%.8X)\n", (addr - PI_DBG_VAL1) / 4, pi_dbg_val[(addr - PI_DBG_VAL1) / 4], pi_dbg_val[(addr - PI_DBG_VAL1) / 4]);
+ return pi_dbg_val[(addr - PI_DBG_VAL1) / 4];
+ break;
+
+ case PI_BYTE1: case PI_BYTE2: case PI_BYTE3: case PI_BYTE4:
+ case PI_BYTE5: case PI_BYTE6: case PI_BYTE7: case PI_BYTE8:
+ DEBUG("[PISTORM-DEV] Read BYTE %d (%d / $%.2X)\n", addr - PI_BYTE1, pi_byte[addr - PI_BYTE1], pi_byte[addr - PI_BYTE1]);
+ return pi_byte[addr - PI_BYTE1];
+ break;
+ case PI_WORD1: case PI_WORD2: case PI_WORD3: case PI_WORD4:
+ DEBUG("[PISTORM-DEV] Read WORD %d (%d / $%.4X)\n", (addr - PI_WORD1) / 2, pi_word[(addr - PI_WORD1) / 2], pi_word[(addr - PI_WORD1) / 2]);
+ return pi_word[(addr - PI_WORD1) / 2];
+ break;
+ case PI_WORD5: case PI_WORD6: case PI_WORD7: case PI_WORD8:
+ case PI_WORD9: case PI_WORD10: case PI_WORD11: case PI_WORD12:
+ DEBUG("[PISTORM-DEV] Read WORD %d (%d / $%.4X)\n", (addr - PI_WORD5) / 2, pi_word[(addr - PI_WORD5) / 2], pi_word[(addr - PI_WORD5) / 2]);
+ return pi_word[(addr - PI_WORD5) / 2];
+ break;
+ case PI_LONGWORD1: case PI_LONGWORD2: case PI_LONGWORD3: case PI_LONGWORD4:
+ DEBUG("[PISTORM-DEV] Read LONGWORD %d (%d / $%.8X)\n", (addr - PI_LONGWORD1) / 4, pi_longword[(addr - PI_LONGWORD1) / 4], pi_longword[(addr - PI_LONGWORD1) / 4]);
+ return pi_longword[(addr - PI_LONGWORD1) / 4];
+ break;
+
+ case PI_CMDRESULT:
+ //DEBUG("[PISTORM-DEV] %s Read from CMDRESULT: %d\n", op_type_names[type], pi_cmd_result);
+ return pi_cmd_result;
+ break;
+
default:
DEBUG("[PISTORM-DEV] WARN: Unhandled %s register read from %.4X\n", op_type_names[type], addr - pistorm_dev_base);
break;
projects / pistorm / blobdiff