+// SPDX-License-Identifier: MIT
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <ctype.h>
+#include "platforms/platforms.h"
+#include "platforms/shared/rtc.h"
+
+//#define DEBUG_MAC_PLATFORM
+
+#ifdef DEBUG_MAC_PLATFORM
+#define DEBUG printf
+#else
+#define DEBUG(...)
+#endif
+
+#define min(a, b) (a < b) ? a : b
+#define max(a, b) (a > b) ? a : b
+
+extern void stop_cpu_emulation(uint8_t disasm_cur);
+
+uint8_t iscsi_enabled;
+
+extern int kb_hook_enabled;
+extern int mouse_hook_enabled;
+extern unsigned int ovl;
+
+void adjust_ranges_mac68k(struct emulator_config *cfg) {
+ cfg->mapped_high = 0;
+ cfg->mapped_low = 0;
+ cfg->custom_high = 0;
+ cfg->custom_low = 0;
+
+ // Set up the min/max ranges for mapped reads/writes
+ for (int i = 0; i < MAX_NUM_MAPPED_ITEMS; i++) {
+ if (cfg->map_type[i] != MAPTYPE_NONE) {
+ if ((cfg->map_offset[i] != 0 && cfg->map_offset[i] < cfg->mapped_low) || cfg->mapped_low == 0)
+ cfg->mapped_low = cfg->map_offset[i];
+ if (cfg->map_offset[i] + cfg->map_size[i] > cfg->mapped_high)
+ cfg->mapped_high = cfg->map_offset[i] + cfg->map_size[i];
+ }
+ }
+
+ printf("[MAC68K] Platform custom range: %.8X-%.8X\n", cfg->custom_low, cfg->custom_high);
+ printf("[MAC68K] Platform mapped range: %.8X-%.8X\n", cfg->mapped_low, cfg->mapped_high);
+}
+
+
+int setup_platform_mac68k(struct emulator_config *cfg) {
+ printf("Performing setup for Mac68k platform.\n");
+
+ if (strlen(cfg->platform->subsys)) {
+ printf("Sub system %sd specified, but no handler is available for this.\n", cfg->platform->subsys);
+ }
+ else
+ printf("No sub system specified.\n");
+
+ handle_ovl_mappings_mac68k(cfg);
+
+ return 0;
+}
+
+#define CHKVAR(a) (strcmp(var, a) == 0)
+
+void setvar_mac68k(struct emulator_config *cfg, char *var, char *val) {
+ if (!var)
+ return;
+
+ // FIXME: Silence unused variable warnings.
+ if (var || cfg || val) {}
+
+ if (CHKVAR("iscsi") && !iscsi_enabled) {
+ printf("[MAC68K] iSCSI Interface Enabled... well, not really.\n");
+ iscsi_enabled = 1;
+ //iscsi_init();
+ //adjust_ranges_mac68k(cfg);
+ }
+}
+
+void handle_ovl_mappings_mac68k(struct emulator_config *cfg) {
+ int32_t index = -1;
+
+ index = get_named_mapped_item(cfg, "sysrom");
+ if (index != -1) {
+ cfg->map_offset[index] = (ovl) ? 0x0 : 0x400000;
+ cfg->map_high[index] = cfg->map_size[index];
+ m68k_remove_range(cfg->map_data[index]);
+ m68k_add_rom_range((uint32_t)cfg->map_offset[index], (uint32_t)cfg->map_high[index], cfg->map_data[index]);
+ printf("[MAC68K] Added memory mapping for Mac68k System ROM.\n");
+ } else {
+ printf ("[MAC68K] No sysrom mapping found. If you intended to memory map a system ROM, make sure it has the correct ID.\n");
+ }
+ index = get_named_mapped_item(cfg, "sysram");
+ if (index != -1) {
+ cfg->map_offset[index] = (ovl) ? 0x400000 : 0x0;
+ cfg->map_high[index] = cfg->map_size[index];
+ m68k_remove_range(cfg->map_data[index]);
+ m68k_add_ram_range((uint32_t)cfg->map_offset[index], (uint32_t)cfg->map_high[index], cfg->map_data[index]);
+ printf("[MAC68K] Added memory mapping for Mac68k System RAM.\n");
+ } else {
+ printf ("[MAC68K] No sysram mapping found. If you intended to memory map a system RAM, make sure it has the correct ID.\n");
+ }
+
+ adjust_ranges_mac68k(cfg);
+}
+
+void handle_reset_mac68k(struct emulator_config *cfg) {
+ DEBUG("[MAC68K] Reset handler.\n");
+
+ if (iscsi_enabled) {
+ //iscsi_refresh_drives();
+ }
+
+ handle_ovl_mappings_mac68k(cfg);
+}
+
+void shutdown_platform_mac68k(struct emulator_config *cfg) {
+ printf("[MAC68K] Performing Mac68k platform shutdown.\n");
+ if (cfg) {}
+
+ if (cfg->platform->subsys) {
+ free(cfg->platform->subsys);
+ cfg->platform->subsys = NULL;
+ }
+ if (iscsi_enabled) {
+ //iscsi_shutdown();
+ iscsi_enabled = 0;
+ }
+
+ mouse_hook_enabled = 0;
+ kb_hook_enabled = 0;
+
+ printf("[MAC68K] Platform shutdown completed.\n");
+}
+
+void create_platform_mac68k(struct platform_config *cfg, char *subsys) {
+ cfg->register_read = NULL;
+ cfg->register_write = NULL;
+ cfg->custom_read = NULL;
+ cfg->custom_write = NULL;
+ cfg->platform_initial_setup = setup_platform_mac68k;
+ cfg->handle_reset = handle_reset_mac68k;
+ cfg->shutdown = shutdown_platform_mac68k;
+
+ cfg->setvar = setvar_mac68k;
+ cfg->id = PLATFORM_MAC;
+
+ if (subsys) {
+ cfg->subsys = malloc(strlen(subsys) + 1);
+ strcpy(cfg->subsys, subsys);
+ for (unsigned int i = 0; i < strlen(cfg->subsys); i++) {
+ cfg->subsys[i] = tolower(cfg->subsys[i]);
+ }
+ }
+}