#include "pistorm-dev.h"
#include "pistorm-dev-enums.h"
+#include "platforms/platforms.h"
+#include "gpio/ps_protocol.h"
+
#include <stdio.h>
+#include <string.h>
#define DEBUG_PISTORM_DEVICE
extern uint32_t pistorm_dev_base;
extern uint32_t do_reset;
-extern uint8_t rtg_enabled, rtg_on, pinet_enabled, piscsi_enabled;
+extern uint8_t rtg_enabled, rtg_on, pinet_enabled, piscsi_enabled, load_new_config;
+extern struct emulator_config *cfg;
+
+char cfg_filename[256];
+
+static uint8_t pi_byte[8];
+static uint16_t pi_word[4];
+static uint32_t pi_longword[4];
+static uint32_t pi_string[4];
+
+static uint32_t pi_dbg_val[4];
+static uint32_t pi_dbg_string[4];
+
+static uint32_t pi_cmd_result = 0;
+
+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 $%.8X. Grabbing string data over the bus.\n", addr);
+ do {
+ dest[index] = read8(addr + index);
+ index++;
+ } while (dest[index - 1] != 0x00 && index < str_max_len);
+ }
+ else {
+ uint8_t *src = cfg->map_data[r] + (addr - cfg->map_offset[r]);
+ do {
+ dest[index] = src[index];
+ index++;
+ } while (dest[index - 1] != 0x00 && index < str_max_len);
+ }
+ if (index == str_max_len) {
+ memset(dest, 0x00, str_max_len + 1);
+ return -1;
+ }
+ DEBUG("[GRAB_AMIGA_STRING] Grabbed string: %s\n", dest);
+ return (int32_t)strlen((const char*)dest);
+}
+
+char *get_pistorm_devcfg_filename() {
+ return cfg_filename;
+}
+
+void handle_pistorm_dev_write(uint32_t addr_, uint32_t val, uint8_t type) {
+ uint32_t addr = (addr_ & 0xFFFF);
+
+ switch((addr)) {
+ case PI_DBG_MSG:
+ // Output debug message based on value written and data in val/str registers.
+ break;
+ case PI_DBG_VAL1: case PI_DBG_VAL2: case PI_DBG_VAL3: case PI_DBG_VAL4:
+ case PI_DBG_VAL5: case PI_DBG_VAL6: case PI_DBG_VAL7: case PI_DBG_VAL8:
+ DEBUG("[PISTORM-DEV] Set DEBUG VALUE %d to %d ($%.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 ($%.4X)\n", (addr - PI_WORD1) / 2, (val & 0xFFFF), (val & 0xFFFF));
+ pi_word[(addr - PI_WORD1) / 2] = (val & 0xFFFF);
+ break;
+ case PI_LONGWORD1: case PI_LONGWORD2: case PI_LONGWORD3: case PI_LONGWORD4:
+ DEBUG("[PISTORM-DEV] Set LONGWORD %d to %d ($%.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;
-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_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");
+ } 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);
+ } else {
+ printf("[PISTORM-DEV] Attempting to load config file %s...\n", cfg_filename);
+ load_new_config = 1;
+ }
+ }
+ pi_string[0] = 0;
+ break;
+ case PICFG_RELOAD:
+ DEBUG("RELOAD\n");
+ break;
+ case PICFG_DEFAULT:
+ DEBUG("DEFAULT\n");
+ break;
+ default:
+ DEBUG("UNKNOWN. Command ignored.\n");
+ break;
+ }
+ break;
default:
DEBUG("[PISTORM-DEV] WARN: Unhandled %s register write to %.4X: %d\n", op_type_names[type], addr - pistorm_dev_base, val);
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_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_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_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\n", op_type_names[type]);
+ 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