exo: add smcAmsGetEmummcConfig

exosphere/src/emummc_cfg.h

@@ -0,0 +1,66 @@
+/*
+ * Copyright (c) 2018-2019 Atmosphère-NX
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+ 
+#ifndef EXOSPHERE_EMUMMC_CONFIG_H
+#define EXOSPHERE_EMUMMC_CONFIG_H
+
+#include <stdint.h>
+#include <atmosphere.h>
+#include "utils.h"
+
+/* "EFS0" */
+#define MAGIC_EMUMMC_CONFIG (0x30534645)
+
+#define EMUMMC_FILE_PATH_MAX (0x80)
+
+typedef enum {
+   EMUMMC_TYPE_NONE = 0,
+   EMUMMC_TYPE_PARTITION = 1,
+   EMUMMC_TYPE_FILES = 2,
+} emummc_type_t;
+
+typedef enum {
+    EMUMMC_MMC_NAND = 0,
+    EMUMMC_MMC_SD = 1,
+    EMUMMC_MMC_GC = 2,
+} emummc_mmc_t;
+
+typedef struct {
+    uint32_t magic;
+    uint32_t type;
+    uint32_t id;
+    uint32_t fs_version;
+} emummc_base_config_t;
+
+typedef struct {
+    uint64_t start_sector;
+} emummc_partition_config_t;
+
+typedef struct {
+    char path[EMUMMC_FILE_PATH_MAX];
+} emummc_file_config_t;
+
+typedef struct {
+    emummc_base_config_t base_cfg;
+    union {
+        emummc_partition_config_t partition_cfg;
+        emummc_file_config_t file_cfg;
+    };
+} exo_emummc_config_t;
+
+_Static_assert(sizeof(exo_emummc_config_t) == 0x90, "exo_emummc_config_t definition!");
+
+#endif