mirror of
https://github.com/Atmosphere-NX/Atmosphere
synced 2024-11-10 07:06:34 +00:00
86 lines
No EOL
2.9 KiB
C
86 lines
No EOL
2.9 KiB
C
#include "utils.h"
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#include "nxboot.h"
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#include "key_derivation.h"
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#include "package2.h"
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#include "loader.h"
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#include "splash_screen.h"
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#include "exocfg.h"
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#include "lib/printk.h"
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#include "display/video_fb.h"
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#include "lib/ini.h"
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#include "hwinit/cluster.h"
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static int exosphere_ini_handler(void *user, const char *section, const char *name, const char *value) {
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exosphere_config_t *exo_cfg = (exosphere_config_t *)user;
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if (strcmp(section, "exosphere") == 0) {
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if (strcmp(name, EXOSPHERE_TARGETFW_KEY) == 0) {
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sscanf(value, "%d", &exo_cfg->target_firmware);
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} else {
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return 0;
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}
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} else {
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return 0;
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}
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return 1;
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}
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void nxboot_configure_exosphere(void) {
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exosphere_config_t exo_cfg = {0};
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exo_cfg.magic = MAGIC_EXOSPHERE_BOOTCONFIG;
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exo_cfg.target_firmware = EXOSPHERE_TARGET_FIRMWARE_MAX;
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if (ini_parse_string(get_loader_ctx()->bct0, exosphere_ini_handler, &exo_cfg) < 0) {
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printk("Error: Failed to parse BCT.ini!\n");
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generic_panic();
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}
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if (exo_cfg.target_firmware < EXOSPHERE_TARGET_FIRMWARE_MIN || exo_cfg.target_firmware > EXOSPHERE_TARGET_FIRMWARE_MAX) {
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printk("Error: Invalid Exosphere target firmware!\n");
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generic_panic();
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}
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*(MAILBOX_EXOSPHERE_CONFIGURATION) = exo_cfg;
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}
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/* This is the main function responsible for booting Horizon. */
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void nxboot_main(void) {
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loader_ctx_t *loader_ctx = get_loader_ctx();
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/* TODO: Validate that we're capable of booting. */
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/* TODO: Initialize Boot Reason. */
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/* TODO: How should we deal with bootconfig? */
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/* Setup boot configuration for Exosphere. */
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nxboot_configure_exosphere();
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/* Derive keydata. */
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derive_nx_keydata(MAILBOX_EXOSPHERE_CONFIGURATION->target_firmware);
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/* Patch package2, adding thermosphere + custom KIPs. */
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package2_patch((void *)loader_ctx->package2_loadfile.load_address);
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/* Boot up Exosphere. */
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MAILBOX_NX_BOOTLOADER_IS_SECMON_AWAKE = 0;
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if (MAILBOX_EXOSPHERE_CONFIGURATION->target_firmware <= EXOSPHERE_TARGET_FIRMWARE_400) {
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MAILBOX_NX_BOOTLOADER_SETUP_STATE = NX_BOOTLOADER_STATE_LOADED_PACKAGE2;
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} else {
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MAILBOX_NX_BOOTLOADER_SETUP_STATE = NX_BOOTLOADER_STATE_LOADED_PACKAGE2_4X;
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}
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cluster_boot_cpu0(loader_ctx->exosphere_loadfile.load_address, 1);
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while (MAILBOX_NX_BOOTLOADER_IS_SECMON_AWAKE == 0) {
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/* Wait for Exosphere to wake up. */
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}
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if (MAILBOX_EXOSPHERE_CONFIGURATION->target_firmware <= EXOSPHERE_TARGET_FIRMWARE_400) {
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MAILBOX_NX_BOOTLOADER_SETUP_STATE = NX_BOOTLOADER_STATE_FINISHED;
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} else {
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MAILBOX_NX_BOOTLOADER_SETUP_STATE = NX_BOOTLOADER_STATE_FINISHED_4X;
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}
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/* Display splash screen. */
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display_splash_screen_bmp(loader_ctx->custom_splash_path);
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/* TODO: Halt ourselves. */
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} |