Atmosphere/exosphere/src/exocfg.h

#ifndef EXOSPHERE_EXOSPHERE_CONFIG_H
#define EXOSPHERE_EXOSPHERE_CONFIG_H

#include <stdint.h>
#include "utils.h"

#include "memory_map.h"

/* This serves to set configuration for *exosphere itself*, separate from the SecMon Exosphere mimics. */

/* "XBC0" */
#define MAGIC_EXOSPHERE_BOOTCONFIG (0x30434258)

#define EXOSPHERE_TARGET_FIRMWARE_100 1
#define EXOSPHERE_TARGET_FIRMWARE_200 2
#define EXOSPHERE_TARGET_FIRMWARE_300 3
#define EXOSPHERE_TARGET_FIRMWARE_400 4
#define EXOSPHERE_TARGET_FIRMWARE_500 5

/* TODO: What should this be, for release? */
#define EXOSPHERE_TARGET_FIRMWARE_DEFAULT_FOR_DEBUG EXOSPHERE_TARGET_FIRMWARE_200

#define MAILBOX_BASE_PHYS  (MMIO_GET_DEVICE_PA(MMIO_DEVID_NXBOOTLOADER_MAILBOX))

/* TODO: Should this be at a non-static location? */
#define MAILBOX_EXOSPHERE_CONFIG_PHYS (*((volatile exosphere_config_t *)(MAILBOX_BASE_PHYS + 0xE40ULL)))


typedef struct {
    unsigned int magic;
    unsigned int target_firmware;
} exosphere_config_t;

unsigned int exosphere_load_config(void);
unsigned int exosphere_get_target_firmware(void);

static inline unsigned int exosphere_get_target_firmware_physical(void) {
    return MAILBOX_EXOSPHERE_CONFIG_PHYS.magic == MAGIC_EXOSPHERE_BOOTCONFIG ? MAILBOX_EXOSPHERE_CONFIG_PHYS.target_firmware : EXOSPHERE_TARGET_FIRMWARE_DEFAULT_FOR_DEBUG;
}

#endif