ams: initial support for 9.0.0

common/include/atmosphere/target_fw.h

@@ -27,11 +27,12 @@
 #define ATMOSPHERE_TARGET_FIRMWARE_700 8
 #define ATMOSPHERE_TARGET_FIRMWARE_800 9
 #define ATMOSPHERE_TARGET_FIRMWARE_810 10
+#define ATMOSPHERE_TARGET_FIRMWARE_900 11
 
-#define ATMOSPHERE_TARGET_FIRMWARE_CURRENT ATMOSPHERE_TARGET_FIRMWARE_810
+#define ATMOSPHERE_TARGET_FIRMWARE_CURRENT ATMOSPHERE_TARGET_FIRMWARE_900
 
 #define ATMOSPHERE_TARGET_FIRMWARE_MIN ATMOSPHERE_TARGET_FIRMWARE_100
-#define ATMOSPHERE_TARGET_FIRMWARE_MAX ATMOSPHERE_TARGET_FIRMWARE_810
+#define ATMOSPHERE_TARGET_FIRMWARE_MAX ATMOSPHERE_TARGET_FIRMWARE_900
 
 /* TODO: What should this be, for release? */
 #define ATMOSPHERE_TARGET_FIRMWARE_DEFAULT_FOR_DEBUG ATMOSPHERE_TARGET_FIRMWARE_CURRENT

common/include/atmosphere/version.h

@@ -21,8 +21,8 @@
 #define ATMOSPHERE_RELEASE_VERSION_MINOR    9
 #define ATMOSPHERE_RELEASE_VERSION_MICRO    3
 
-#define ATMOSPHERE_SUPPORTED_HOS_VERSION_MAJOR 8
+#define ATMOSPHERE_SUPPORTED_HOS_VERSION_MAJOR 9
-#define ATMOSPHERE_SUPPORTED_HOS_VERSION_MINOR 1
+#define ATMOSPHERE_SUPPORTED_HOS_VERSION_MINOR 0
 #define ATMOSPHERE_SUPPORTED_HOS_VERSION_MICRO 0
 
 #endif

exosphere/src/bootup.c

@@ -85,6 +85,9 @@ void bootup_misc_mmio(void) {
         setup_dram_magic_numbers();
     }
 
+    /* On 9.0.0+, Nintendo writes random values to context save scratch here, and locks the SRK scratch. */
+    /* There's no real need for us to do this, so we won't. */
+
     /* Mark TMR5, TMR6, TMR7, TMR8, WDT0, WDT1, WDT2 and WDT3 as secure. */
     SHARED_TIMER_SECURE_CFG_0 = 0xF1E0;
 

exosphere/src/i2c.c

@@ -74,7 +74,7 @@ void i2c_init(I2CDevice id) {
 
     /* Wait a while until BUS_CLEAR_DONE is set. */
     for (unsigned int i = 0; i < 10; i++) {
-        wait(20000);
+        wait(25);
         if (regs->I2C_INTERRUPT_STATUS_REGISTER_0 & 0x800) {
             break;
         }

exosphere/src/masterkey.c

@@ -43,6 +43,7 @@ static const uint8_t mkey_vectors_dev[MASTERKEY_REVISION_MAX][0x10] =
     {0x6F, 0xD2, 0x84, 0x1D, 0x05, 0xEC, 0x40, 0x94, 0x5F, 0x18, 0xB3, 0x81, 0x09, 0x98, 0x8D, 0x4E}, /* Master key 05 encrypted with Master key 06. */
     {0x37, 0xAF, 0xAB, 0x35, 0x79, 0x09, 0xD9, 0x48, 0x29, 0xD2, 0xDB, 0xA5, 0xA5, 0xF5, 0x30, 0x19}, /* Master key 06 encrypted with Master key 07. */
     {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, /* TODO: Master key 07 encrypted with Master key 08. */
+    {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, /* TODO: Master key 08 encrypted with Master key 09. */
 };
 
 /* Retail unit keys. */
@@ -57,6 +58,7 @@ static const uint8_t mkey_vectors[MASTERKEY_REVISION_MAX][0x10] =
     {0x1E, 0x1E, 0x22, 0xC0, 0x5A, 0x33, 0x3C, 0xB9, 0x0B, 0xA9, 0x03, 0x04, 0xBA, 0xDB, 0x07, 0x57}, /* Master key 05 encrypted with Master key 06. */
     {0xA4, 0xD4, 0x52, 0x6F, 0xD1, 0xE4, 0x36, 0xAA, 0x9F, 0xCB, 0x61, 0x27, 0x1C, 0x67, 0x65, 0x1F}, /* Master key 06 encrypted with Master key 07. */
     {0xEA, 0x60, 0xB3, 0xEA, 0xCE, 0x8F, 0x24, 0x46, 0x7D, 0x33, 0x9C, 0xD1, 0xBC, 0x24, 0x98, 0x29}, /* Master key 07 encrypted with Master key 08. */
+    {0x4D, 0xD9, 0x98, 0x42, 0x45, 0x0D, 0xB1, 0x3C, 0x52, 0x0C, 0x9A, 0x44, 0xBB, 0xAD, 0xAF, 0x80}, /* Master key 08 encrypted with Master key 09. */
 };
 
 bool check_mkey_revision(unsigned int revision, bool is_retail) {

exosphere/src/masterkey.h

@@ -19,8 +19,8 @@
 
 /* This is glue code to enable master key support across versions. */
 
-/* TODO: Update to 0xA on release of new master key. */
+/* TODO: Update to 0xB on release of new master key. */
-#define MASTERKEY_REVISION_MAX 0x9
+#define MASTERKEY_REVISION_MAX 0xA
 
 #define MASTERKEY_REVISION_100_230     0x00
 #define MASTERKEY_REVISION_300         0x01
@@ -29,8 +29,9 @@
 #define MASTERKEY_REVISION_500_510     0x04
 #define MASTERKEY_REVISION_600_610     0x05
 #define MASTERKEY_REVISION_620         0x06
-#define MASTERKEY_REVISION_700_800 0x07
+#define MASTERKEY_REVISION_700_800     0x07
-#define MASTERKEY_REVISION_810_CURRENT 0x08
+#define MASTERKEY_REVISION_810         0x08
+#define MASTERKEY_REVISION_900_CURRENT 0x09
 
 #define MASTERKEY_NUM_NEW_DEVICE_KEYS (MASTERKEY_REVISION_MAX - MASTERKEY_REVISION_400_410)
 

exosphere/src/package2.c

@@ -43,7 +43,8 @@ static const uint8_t new_device_key_sources[MASTERKEY_NUM_NEW_DEVICE_KEYS][0x10]
     {0x70, 0x08, 0x1B, 0x97, 0x44, 0x64, 0xF8, 0x91, 0x54, 0x9D, 0xC6, 0x84, 0x8F, 0x1A, 0xB2, 0xE4}, /* 6.x   New Device Key Source. */
     {0x8E, 0x09, 0x1F, 0x7A, 0xBB, 0xCA, 0x6A, 0xFB, 0xB8, 0x9B, 0xD5, 0xC1, 0x25, 0x9C, 0xA9, 0x17}, /* 6.2.0 New Device Key Source. */
     {0x8F, 0x77, 0x5A, 0x96, 0xB0, 0x94, 0xFD, 0x8D, 0x28, 0xE4, 0x19, 0xC8, 0x16, 0x1C, 0xDB, 0x3D}, /* 7.0.0 New Device Key Source. */
-    {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, /* TODO: 8.1.0 New Device Key Source to be added on next change-of-keys. */
+    {0x67, 0x62, 0xD4, 0x8E, 0x55, 0xCF, 0xFF, 0x41, 0x31, 0x15, 0x3B, 0x24, 0x0C, 0x7C, 0x07, 0xAE}, /* 8.1.0 New Device Key Source. */
+    {0x4A, 0xC3, 0x4E, 0x14, 0x8B, 0x96, 0x4A, 0xD5, 0xD4, 0x99, 0x73, 0xC4, 0x45, 0xAB, 0x8B, 0x49}, /* 9.0.0 New Device Key Source. */
 };
 
 static const uint8_t new_device_keygen_sources[MASTERKEY_NUM_NEW_DEVICE_KEYS][0x10] = {
@@ -52,7 +53,8 @@ static const uint8_t new_device_keygen_sources[MASTERKEY_NUM_NEW_DEVICE_KEYS][0x
     {0x99, 0xFA, 0x98, 0xBD, 0x15, 0x1C, 0x72, 0xFD, 0x7D, 0x9A, 0xD5, 0x41, 0x00, 0xFD, 0xB2, 0xEF}, /* 6.x   New Device Keygen Source. */
     {0x81, 0x3C, 0x6C, 0xBF, 0x5D, 0x21, 0xDE, 0x77, 0x20, 0xD9, 0x6C, 0xE3, 0x22, 0x06, 0xAE, 0xBB}, /* 6.2.0 New Device Keygen Source. */
     {0x86, 0x61, 0xB0, 0x16, 0xFA, 0x7A, 0x9A, 0xEA, 0xF6, 0xF5, 0xBE, 0x1A, 0x13, 0x5B, 0x6D, 0x9E}, /* 7.0.0 New Device Keygen Source. */
-    {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, /* TODO: 8.1.0 New Device Key Source to be added on next change-of-keys. */
+    {0xA6, 0x81, 0x71, 0xE7, 0xB5, 0x23, 0x74, 0xB0, 0x39, 0x8C, 0xB7, 0xFF, 0xA0, 0x62, 0x9F, 0x8D}, /* 8.1.0 New Device Keygen Source. */
+    {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, /* TODO: 9.0.0 New Device Keygen Source to be added on next change-of-keys. */
 };
 
 static const uint8_t new_device_keygen_sources_dev[MASTERKEY_NUM_NEW_DEVICE_KEYS][0x10] = {
@@ -61,7 +63,8 @@ static const uint8_t new_device_keygen_sources_dev[MASTERKEY_NUM_NEW_DEVICE_KEYS
     {0xF6, 0xD8, 0x59, 0x63, 0x8F, 0x47, 0xCB, 0x4A, 0xD8, 0x74, 0x05, 0x7F, 0x88, 0x92, 0x33, 0xA5}, /* 6.x   New Device Keygen Source. */
     {0x20, 0xAB, 0xF2, 0x0F, 0x05, 0xE3, 0xDE, 0x2E, 0xA1, 0xFB, 0x37, 0x5E, 0x8B, 0x22, 0x1A, 0x38}, /* 6.2.0 New Device Keygen Source. */
     {0x60, 0xAE, 0x56, 0x68, 0x11, 0xE2, 0x0C, 0x99, 0xDE, 0x05, 0xAE, 0x68, 0x78, 0x85, 0x04, 0xAE}, /* 7.0.0 New Device Keygen Source. */
-    {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, /* TODO: 8.1.0 New Device Key Source to be added on next change-of-keys. */
+    {0x94, 0xD6, 0xA8, 0xC0, 0x95, 0xAF, 0xD0, 0xA6, 0x27, 0x53, 0x5E, 0xE5, 0x8E, 0x70, 0x1F, 0x87}, /* 8.1.0 New Device Keygen Source. */
+    {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, /* TODO: 9.0.0 New Device Keygen Source to be added on next change-of-keys. */
 };
 
 static void derive_new_device_keys(unsigned int keygen_keyslot) {
@@ -141,6 +144,7 @@ static void setup_se(void) {
         case ATMOSPHERE_TARGET_FIRMWARE_700:
         case ATMOSPHERE_TARGET_FIRMWARE_800:
         case ATMOSPHERE_TARGET_FIRMWARE_810:
+        case ATMOSPHERE_TARGET_FIRMWARE_900:
             derive_new_device_keys(KEYSLOT_SWITCH_5XNEWDEVICEKEYGENKEY);
             break;
     }
@@ -330,7 +334,7 @@ static bool validate_package2_metadata(package2_meta_t *metadata) {
 
     /* Perform version checks. */
     /* We will be compatible with all package2s released before current, but not newer ones. */
-    if (metadata->version_max >= PACKAGE2_MINVER_THEORETICAL && metadata->version_min < PACKAGE2_MAXVER_810_CURRENT) {
+    if (metadata->version_max >= PACKAGE2_MINVER_THEORETICAL && metadata->version_min < PACKAGE2_MAXVER_900_CURRENT) {
         return true;
     }
 
@@ -456,6 +460,7 @@ static void copy_warmboot_bin_to_dram() {
         case ATMOSPHERE_TARGET_FIRMWARE_700:
         case ATMOSPHERE_TARGET_FIRMWARE_800:
         case ATMOSPHERE_TARGET_FIRMWARE_810:
+        case ATMOSPHERE_TARGET_FIRMWARE_900:
             warmboot_src = (uint8_t *)0x4003E000;
             break;
     }
@@ -532,6 +537,9 @@ void load_package2(coldboot_crt0_reloc_list_t *reloc_list) {
             case ATMOSPHERE_TARGET_FIRMWARE_810:
                 MAKE_REG32(PMC_BASE + 0x360) = 0x14A;
                 break;
+            case ATMOSPHERE_TARGET_FIRMWARE_900:
+                MAKE_REG32(PMC_BASE + 0x360) = 0x16B;
+                break;
         }
     }
 

exosphere/src/package2.h

@@ -71,7 +71,8 @@ static inline uintptr_t get_nx_bootloader_mailbox_base(unsigned int targetfw) {
 #define PACKAGE2_MAXVER_600_610 0x8
 #define PACKAGE2_MAXVER_620 0x9
 #define PACKAGE2_MAXVER_700_800 0xA
-#define PACKAGE2_MAXVER_810_CURRENT 0xB
+#define PACKAGE2_MAXVER_810 0xB
+#define PACKAGE2_MAXVER_900_CURRENT 0xC
 
 #define PACKAGE2_MINVER_100 0x3
 #define PACKAGE2_MINVER_200 0x4
@@ -82,7 +83,8 @@ static inline uintptr_t get_nx_bootloader_mailbox_base(unsigned int targetfw) {
 #define PACKAGE2_MINVER_600_610 0x9
 #define PACKAGE2_MINVER_620 0xA
 #define PACKAGE2_MINVER_700_800 0xB
-#define PACKAGE2_MINVER_810_CURRENT 0xC
+#define PACKAGE2_MINVER_810 0xC
+#define PACKAGE2_MINVER_900_CURRENT 0xD
 
 typedef struct {
     union {

exosphere/src/sc7.c

@@ -77,6 +77,7 @@ static void enable_lp0_wake_events(void) {
 
 static void notify_pmic_shutdown(void) {
     clkrst_reboot(CARDEVICE_I2C5);
+    i2c_init(I2C_5);
     if (fuse_get_bootrom_patch_version() >= 0x7F) {
         i2c_send_pmic_cpu_shutdown_cmd();
     }

exosphere/src/smc_api.c

@@ -186,6 +186,7 @@ void set_version_specific_smcs(void) {
         case ATMOSPHERE_TARGET_FIRMWARE_700:
         case ATMOSPHERE_TARGET_FIRMWARE_800:
         case ATMOSPHERE_TARGET_FIRMWARE_810:
+        case ATMOSPHERE_TARGET_FIRMWARE_900:
             /* No more LoadSecureExpModKey. */
             g_smc_user_table[0xE].handler = NULL;
             g_smc_user_table[0xC].id = 0xC300D60C;

exosphere/src/smc_user.c

@@ -53,6 +53,7 @@ static bool is_user_keyslot_valid(unsigned int keyslot) {
         case ATMOSPHERE_TARGET_FIRMWARE_700:
         case ATMOSPHERE_TARGET_FIRMWARE_800:
         case ATMOSPHERE_TARGET_FIRMWARE_810:
+        case ATMOSPHERE_TARGET_FIRMWARE_900:
         default:
             return keyslot <= 5;
     }

fusee/fusee-secondary/src/emummc_cfg.h

@@ -76,6 +76,9 @@ typedef enum {
     FS_VER_8_1_0,
     FS_VER_8_1_0_EXFAT,
 
+    FS_VER_9_0_0,
+    FS_VER_9_0_0_EXFAT,
+
     FS_VER_MAX,
 } emummc_fs_ver_t;
 

fusee/fusee-secondary/src/ips.c

@@ -411,6 +411,9 @@ static const uint8_t g_fs_hashes[FS_VER_MAX][0x8] = {
 
     "\x6B\x09\xB6\x7B\x29\xC0\x20\x24", /* FS_VER_8_1_0 */
     "\xB4\xCA\xE1\xF2\x49\x65\xD9\x2E", /* FS_VER_8_1_0_EXFAT */
+
+    "\x46\x87\x40\x76\x1E\x19\x3E\xB7", /* FS_VER_9_0_0 */
+    "\x7C\x95\x13\x76\xE5\xC1\x2D\xF8", /* FS_VER_9_0_0_EXFAT */
 };
 
 kip1_header_t *apply_kip_ips_patches(kip1_header_t *kip, size_t kip_size, emummc_fs_ver_t *out_fs_ver) {

fusee/fusee-secondary/src/kernel_patches.c

@@ -425,12 +425,68 @@ static const instruction_t MAKE_KERNEL_PATCH_NAME(800, proc_id_send)[] = {0xA9BF
 static const uint8_t MAKE_KERNEL_PATTERN_NAME(800, proc_id_recv)[] = {0x68, 0x03, 0x40, 0xF9, 0x08, 0x1D, 0x40, 0xF9, 0xE0, 0x03, 0x1B, 0xAA, 0x00, 0x01, 0x3F, 0xD6, 0xA9, 0x83, 0x50, 0xF8, 0xE8, 0x03, 0x16, 0x2A, 0xD6, 0x0A, 0x00, 0x11};
 static const instruction_t MAKE_KERNEL_PATCH_NAME(800, proc_id_recv)[] = {0xA9BF2FEA, 0xF9404FEB, 0x2A1603EA, 0xD37EF54A, 0xF86A696A, 0x92FFFFE9, 0x8A090148, 0xD2FFFFE9, 0x8A09014A, 0xD2FFFFC9, 0xEB09015F, 0x54000100, 0xA9BF27E8, 0xF9400368, 0xF9401D08, 0xAA1B03E0, 0xD63F0100, 0xA8C127E8, 0xAA0003E8, 0xA8C12FEA, 0xAA0803E0};
 
+/*
+    stp x10, x11, [sp, #-0x10]!
+    ldr x11, [sp, #0x68]
+    mov w10, w22
+    lsl x10, x10, #2
+    ldr x10, [x11, x10]
+    mov x9, #0x0000ffffffffffff
+    and x8, x10, x9
+    mov x9, #0xffff000000000000
+    and x10, x10, x9
+    mov x9, #0xfffe000000000000
+    cmp x10, x9
+    beq #0x20
+
+    stp x8, x9, [sp, #-0x10]!
+    ldr x8, [x23]
+    ldr x8, [x8, #0x38]
+    mov x0, x23
+    blr x8
+    ldp x8, x9, [sp],#0x10
+    mov x8, x0
+
+    ldp x10, x11, [sp],#0x10
+    mov x0, x8
+*/
+static const uint8_t MAKE_KERNEL_PATTERN_NAME(900, proc_id_send)[] = {0xE8, 0x02, 0x40, 0xF9, 0x08, 0x1D, 0x40, 0xF9, 0xE0, 0x03, 0x17, 0xAA, 0x00, 0x01, 0x3F, 0xD6, 0xE8, 0x03, 0x16, 0x2A, 0xD6, 0x0A, 0x00, 0x11, 0x08, 0xF5, 0x7E, 0xD3};
+static const instruction_t MAKE_KERNEL_PATCH_NAME(900, proc_id_send)[] = {0xA9BF2FEA, 0xF94037EB, 0x2A1603EA, 0xD37EF54A, 0xF86A696A, 0x92FFFFE9, 0x8A090148, 0xD2FFFFE9, 0x8A09014A, 0xD2FFFFC9, 0xEB09015F, 0x54000100, 0xA9BF27E8, 0xF94002E8, 0xF9401D08, 0xAA1703E0, 0xD63F0100, 0xA8C127E8, 0xAA0003E8, 0xA8C12FEA, 0xAA0803E0};
+/*
+    stp x10, x11, [sp, #-0x10]!
+    ldr x11, [sp, #0x90]
+    mov w10, w23
+    lsl x10, x10, #2
+    ldr x10, [x11, x10]
+    mov x9, #0x0000ffffffffffff
+    and x8, x10, x9
+    mov x9, #0xffff000000000000
+    and x10, x10, x9
+    mov x9, #0xfffe000000000000
+    cmp x10, x9
+    beq #0x20
+
+    stp x8, x9, [sp, #-0x10]!
+    ldr x8, [x27]
+    ldr x8, [x8, #0x38]
+    mov x0, x27
+    blr x8
+    ldp x8, x9, [sp],#0x10
+    mov x8, x0
+
+    ldp x10, x11, [sp],#0x10
+    mov x0, x8
+*/
+static const uint8_t MAKE_KERNEL_PATTERN_NAME(900, proc_id_recv)[] = {0x68, 0x03, 0x40, 0xF9, 0x08, 0x1D, 0x40, 0xF9, 0xE0, 0x03, 0x1B, 0xAA, 0x00, 0x01, 0x3F, 0xD6, 0xE8, 0x03, 0x17, 0x2A, 0xF7, 0x0A, 0x00, 0x11, 0x08, 0xF5, 0x7E, 0xD3};
+static const instruction_t MAKE_KERNEL_PATCH_NAME(900, proc_id_recv)[] = {0xA9BF2FEA, 0xF9404BEB, 0x2A1703EA, 0xD37EF54A, 0xF86A696A, 0x92FFFFE9, 0x8A090148, 0xD2FFFFE9, 0x8A09014A, 0xD2FFFFC9, 0xEB09015F, 0x54000100, 0xA9BF27E8, 0xF9400368, 0xF9401D08, 0xAA1B03E0, 0xD63F0100, 0xA8C127E8, 0xAA0003E8, 0xA8C12FEA, 0xAA0803E0};
+
 /* svcControlCodeMemory Patches */
 /* b.eq -> nop */
 static const instruction_t MAKE_KERNEL_PATCH_NAME(500, svc_control_codememory)[] = {MAKE_NOP};
 static const instruction_t MAKE_KERNEL_PATCH_NAME(600, svc_control_codememory)[] = {MAKE_NOP};
 static const instruction_t MAKE_KERNEL_PATCH_NAME(700, svc_control_codememory)[] = {MAKE_NOP};
 static const instruction_t MAKE_KERNEL_PATCH_NAME(800, svc_control_codememory)[] = {MAKE_NOP};
+static const instruction_t MAKE_KERNEL_PATCH_NAME(900, svc_control_codememory)[] = {MAKE_NOP};
 
 /* Hook Definitions. */
 static const kernel_patch_t g_kernel_patches_100[] = {
@@ -592,6 +648,7 @@ static const kernel_patch_t g_kernel_patches_700[] = {
         .patch_offset = 0x3C6E0,
     }
 };
+
 static const kernel_patch_t g_kernel_patches_800[] = {
     {   /* Send Message Process ID Patch. */
         .pattern_size = 0x1C,
@@ -616,6 +673,30 @@ static const kernel_patch_t g_kernel_patches_800[] = {
     }
 };
 
+static const kernel_patch_t g_kernel_patches_900[] = {
+    {   /* Send Message Process ID Patch. */
+        .pattern_size = 0x1C,
+        .pattern = MAKE_KERNEL_PATTERN_NAME(900, proc_id_send),
+        .pattern_hook_offset = 0x0,
+        .payload_num_instructions = sizeof(MAKE_KERNEL_PATCH_NAME(900, proc_id_send))/sizeof(instruction_t),
+        .branch_back_offset = 0x10,
+        .payload = MAKE_KERNEL_PATCH_NAME(900, proc_id_send)
+    },
+    {   /* Receive Message Process ID Patch. */
+        .pattern_size = 0x1C,
+        .pattern = MAKE_KERNEL_PATTERN_NAME(900, proc_id_recv),
+        .pattern_hook_offset = 0x0,
+        .payload_num_instructions = sizeof(MAKE_KERNEL_PATCH_NAME(900, proc_id_recv))/sizeof(instruction_t),
+        .branch_back_offset = 0x10,
+        .payload = MAKE_KERNEL_PATCH_NAME(900, proc_id_recv)
+    },
+    {   /* svcControlCodeMemory Patch. */
+        .payload_num_instructions = sizeof(MAKE_KERNEL_PATCH_NAME(900, svc_control_codememory))/sizeof(instruction_t),
+        .payload = MAKE_KERNEL_PATCH_NAME(900, svc_control_codememory),
+        .patch_offset = 0x43DFC,
+    }
+};
+
 #define KERNEL_PATCHES(vers) .num_patches = sizeof(g_kernel_patches_##vers)/sizeof(kernel_patch_t), .patches = g_kernel_patches_##vers,
 
 /* Kernel Infos. */
@@ -673,6 +754,15 @@ static const kernel_info_t g_kernel_infos[] = {
         .embedded_ini_ptr = 0x168,
         .free_code_space_offset = 0x607F0,
         KERNEL_PATCHES(800)
+    },
+    {   /* 9.0.0. */
+        .hash = {0xD7, 0x95, 0x65, 0x3A, 0x49, 0x4C, 0x5A, 0x9E, 0x2E, 0x04, 0xD6, 0x30, 0x7D, 0x79, 0xE1, 0xEE, 0x10, 0x2B, 0x30, 0xE0, 0x3E, 0xDD, 0x9F, 0xB3, 0x8A, 0x3C, 0x5E, 0xD3, 0x9B, 0x30, 0x11, 0x9B},
+        .hash_offset = 0x1C0,
+        .hash_size = 0x90000 - 0x1C0,
+        .embedded_ini_offset = 0x90000,
+        .embedded_ini_ptr = 0x180,
+        .free_code_space_offset = 0x65780,
+        KERNEL_PATCHES(900)
     }
 };
 

fusee/fusee-secondary/src/key_derivation.c

@@ -154,7 +154,9 @@ int derive_nx_keydata(uint32_t target_firmware, const nx_keyblob_t *keyblobs, ui
                 desired_keyblob = MASTERKEY_REVISION_700_800;
                 break;
             case ATMOSPHERE_TARGET_FIRMWARE_810:
-                desired_keyblob = MASTERKEY_REVISION_810_CURRENT;
+                desired_keyblob = MASTERKEY_REVISION_810;
+            case ATMOSPHERE_TARGET_FIRMWARE_900:
+                desired_keyblob = MASTERKEY_REVISION_900_CURRENT;
                 break;
             default:
                 fatal_error("Unknown target firmware: %02x!", target_firmware);
@@ -230,6 +232,7 @@ int derive_nx_keydata(uint32_t target_firmware, const nx_keyblob_t *keyblobs, ui
         case ATMOSPHERE_TARGET_FIRMWARE_700:
         case ATMOSPHERE_TARGET_FIRMWARE_800:
         case ATMOSPHERE_TARGET_FIRMWARE_810:
+        case ATMOSPHERE_TARGET_FIRMWARE_900:
             decrypt_data_into_keyslot(0xA, 0xF, devicekey_4x_seed, 0x10);
             decrypt_data_into_keyslot(0xF, 0xF, devicekey_seed, 0x10);
             decrypt_data_into_keyslot(0xE, 0xC, masterkey_4x_seed, 0x10);

fusee/fusee-secondary/src/masterkey.c

@@ -40,6 +40,7 @@ static const uint8_t mkey_vectors_dev[MASTERKEY_REVISION_MAX][0x10] =
     {0x6F, 0xD2, 0x84, 0x1D, 0x05, 0xEC, 0x40, 0x94, 0x5F, 0x18, 0xB3, 0x81, 0x09, 0x98, 0x8D, 0x4E}, /* Master key 05 encrypted with Master key 06. */
     {0x37, 0xAF, 0xAB, 0x35, 0x79, 0x09, 0xD9, 0x48, 0x29, 0xD2, 0xDB, 0xA5, 0xA5, 0xF5, 0x30, 0x19}, /* Master key 06 encrypted with Master key 07. */
     {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, /* TODO: Master key 07 encrypted with Master key 08. */
+    {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, /* TODO: Master key 08 encrypted with Master key 09. */
 };
 
 /* Retail unit keys. */
@@ -54,6 +55,7 @@ static const uint8_t mkey_vectors[MASTERKEY_REVISION_MAX][0x10] =
     {0x1E, 0x1E, 0x22, 0xC0, 0x5A, 0x33, 0x3C, 0xB9, 0x0B, 0xA9, 0x03, 0x04, 0xBA, 0xDB, 0x07, 0x57}, /* Master key 05 encrypted with Master key 06. */
     {0xA4, 0xD4, 0x52, 0x6F, 0xD1, 0xE4, 0x36, 0xAA, 0x9F, 0xCB, 0x61, 0x27, 0x1C, 0x67, 0x65, 0x1F}, /* Master key 06 encrypted with Master key 07. */
     {0xEA, 0x60, 0xB3, 0xEA, 0xCE, 0x8F, 0x24, 0x46, 0x7D, 0x33, 0x9C, 0xD1, 0xBC, 0x24, 0x98, 0x29}, /* Master key 07 encrypted with Master key 08. */
+    {0x4D, 0xD9, 0x98, 0x42, 0x45, 0x0D, 0xB1, 0x3C, 0x52, 0x0C, 0x9A, 0x44, 0xBB, 0xAD, 0xAF, 0x80}, /* Master key 08 encrypted with Master key 09. */
 };
 
 static bool check_mkey_revision(unsigned int revision, bool is_retail) {

fusee/fusee-secondary/src/masterkey.h

@@ -19,8 +19,8 @@
 
 /* This is glue code to enable master key support across versions. */
 
-/* TODO: Update to 0xA on release of new master key. */
+/* TODO: Update to 0xB on release of new master key. */
-#define MASTERKEY_REVISION_MAX 0x9
+#define MASTERKEY_REVISION_MAX 0xA
 
 #define MASTERKEY_REVISION_100_230     0x00
 #define MASTERKEY_REVISION_300         0x01
@@ -30,7 +30,8 @@
 #define MASTERKEY_REVISION_600_610     0x05
 #define MASTERKEY_REVISION_620         0x06
 #define MASTERKEY_REVISION_700_800     0x07
-#define MASTERKEY_REVISION_810_CURRENT 0x08
+#define MASTERKEY_REVISION_810         0x08
+#define MASTERKEY_REVISION_900_CURRENT 0x09
 
 #define MASTERKEY_NUM_NEW_DEVICE_KEYS (MASTERKEY_REVISION_MAX - MASTERKEY_REVISION_400_410)
 

fusee/fusee-secondary/src/nxboot.c

@@ -208,11 +208,13 @@ static uint32_t nxboot_get_target_firmware(const void *package1loader) {
         }
         case 0x0F:          /* 7.0.0 - 7.0.1 */
             return ATMOSPHERE_TARGET_FIRMWARE_700;
-        case 0x10: {        /* 8.0.0 - 8.1.0 */
+        case 0x10: {        /* 8.0.0 - 9.0.0 */
             if (memcmp(package1loader_header->build_timestamp, "20190314", 8) == 0) {
                 return ATMOSPHERE_TARGET_FIRMWARE_800;
             } else if (memcmp(package1loader_header->build_timestamp, "20190531", 8) == 0) {
                 return ATMOSPHERE_TARGET_FIRMWARE_810;
+            } else if (memcmp(package1loader_header->build_timestamp, "20190809", 8) == 0) {
+                return ATMOSPHERE_TARGET_FIRMWARE_900;
             } else {
                 fatal_error("[NXBOOT] Unable to identify package1!\n");
             }
@@ -360,6 +362,10 @@ static void nxboot_configure_stratosphere(uint32_t target_firmware) {
         if (target_firmware >= ATMOSPHERE_TARGET_FIRMWARE_400 && !(fuse_get_reserved_odm(7) & ~0x0000000F)) {
             kip_patches_set_enable_nogc();
         }
+        /* Check if the fuses are < 9.0.0, but firmware is >= 9.0.0 */
+        if (target_firmware >= ATMOSPHERE_TARGET_FIRMWARE_900 && !(fuse_get_reserved_odm(7) & ~0x000003FF)) {
+            kip_patches_set_enable_nogc();
+        }
     }
 }
 

fusee/fusee-secondary/src/package2.c

@@ -232,7 +232,7 @@ static bool package2_validate_metadata(package2_meta_t *metadata, uint8_t data[]
 
     /* Perform version checks. */
     /* We will be compatible with all package2s released before current, but not newer ones. */
-    if (metadata->version_max >= PACKAGE2_MINVER_THEORETICAL && metadata->version_min < PACKAGE2_MAXVER_810_CURRENT) {
+    if (metadata->version_max >= PACKAGE2_MINVER_THEORETICAL && metadata->version_min < PACKAGE2_MAXVER_900_CURRENT) {
         return true;
     }
 

fusee/fusee-secondary/src/package2.h

@@ -37,7 +37,8 @@
 #define PACKAGE2_MAXVER_600_610 0x8
 #define PACKAGE2_MAXVER_620 0x9
 #define PACKAGE2_MAXVER_700_800 0xA
-#define PACKAGE2_MAXVER_810_CURRENT 0xB
+#define PACKAGE2_MAXVER_810 0xB
+#define PACKAGE2_MAXVER_900_CURRENT 0xC
 
 #define PACKAGE2_MINVER_100 0x3
 #define PACKAGE2_MINVER_200 0x4
@@ -48,7 +49,8 @@
 #define PACKAGE2_MINVER_600_610 0x9
 #define PACKAGE2_MINVER_620 0xA
 #define PACKAGE2_MINVER_700_800 0xB
-#define PACKAGE2_MINVER_810_CURRENT 0xC
+#define PACKAGE2_MINVER_810 0xC
+#define PACKAGE2_MINVER_900_CURRENT 0xD
 
 #define NX_BOOTLOADER_PACKAGE2_LOAD_ADDRESS ((void *)(0xA9800000ull))
 

sept/sept-secondary/key_derivation/src/key_derivation.c

@@ -47,19 +47,26 @@ static const uint8_t AL16 zeroes[0x10] = {
     0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
 };
 
+/* Note: 9.0.0 did not change the TSEC firmware. Thus, the root key is the same. */
+/* To avoid distribution of more and more sept binaries, we will simply derive the 9.0.0 master key */
+/* on 8.1.0 and 9.0.0. Exosphere supports this already with no issues. */
+
 static const uint8_t AL16 master_kek_seeds[DERIVATION_ID_MAX][0x10] = {
     {0x9A, 0x3E, 0xA9, 0xAB, 0xFD, 0x56, 0x46, 0x1C, 0x9B, 0xF6, 0x48, 0x7F, 0x5C, 0xFA, 0x09, 0x5C},
-    {0xDE, 0xDC, 0xE3, 0x39, 0x30, 0x88, 0x16, 0xF8, 0xAE, 0x97, 0xAD, 0xEC, 0x64, 0x2D, 0x41, 0x41},
+    /* 8.1.0: {0xDE, 0xDC, 0xE3, 0x39, 0x30, 0x88, 0x16, 0xF8, 0xAE, 0x97, 0xAD, 0xEC, 0x64, 0x2D, 0x41, 0x41}, */
+    {0x1A, 0xEC, 0x11, 0x82, 0x2B, 0x32, 0x38, 0x7A, 0x2B, 0xED, 0xBA, 0x01, 0x47, 0x7E, 0x3B, 0x67},
 };
 
 static const uint8_t AL16 master_devkey_seeds[DERIVATION_ID_MAX][0x10] = {
     {0x8F, 0x77, 0x5A, 0x96, 0xB0, 0x94, 0xFD, 0x8D, 0x28, 0xE4, 0x19, 0xC8, 0x16, 0x1C, 0xDB, 0x3D},
-    {0x67, 0x62, 0xD4, 0x8E, 0x55, 0xCF, 0xFF, 0x41, 0x31, 0x15, 0x3B, 0x24, 0x0C, 0x7C, 0x07, 0xAE},
+    /* 8.1.0: {0x67, 0x62, 0xD4, 0x8E, 0x55, 0xCF, 0xFF, 0x41, 0x31, 0x15, 0x3B, 0x24, 0x0C, 0x7C, 0x07, 0xAE}, */
+    {0x4A, 0xC3, 0x4E, 0x14, 0x8B, 0x96, 0x4A, 0xD5, 0xD4, 0x99, 0x73, 0xC4, 0x45, 0xAB, 0x8B, 0x49},
 };
 
 static const uint8_t AL16 master_devkey_vectors[DERIVATION_ID_MAX][0x10] = {
     {0xD8, 0xD3, 0x67, 0x4F, 0xF3, 0xA2, 0xA4, 0x4E, 0xE4, 0x04, 0x37, 0xC2, 0xD9, 0xCF, 0x41, 0x6F},
-    {0x72, 0xD0, 0xAD, 0xEB, 0xE1, 0xF6, 0x35, 0x90, 0xB4, 0x43, 0xCC, 0x4B, 0xC4, 0xDC, 0x88, 0x0A},
+    /* 8.1.0: {0x72, 0xD0, 0xAD, 0xEB, 0xE1, 0xF6, 0x35, 0x90, 0xB4, 0x43, 0xCC, 0x4B, 0xC4, 0xDC, 0x88, 0x0A}, */
+    {0x8B, 0xD6, 0x13, 0x2F, 0xC3, 0x4D, 0x53, 0x2D, 0x10, 0xA1, 0x63, 0x85, 0x49, 0x2B, 0xCF, 0x3F},
 };
 
 void derive_keys(void) {

stratosphere/ams_mitm/source/utils.cpp

@@ -85,7 +85,7 @@ void Utils::InitializeThreadFunc(void *args) {
     /* Get required services. */
     DoWithSmSession([&]() {
         Handle tmp_hnd = 0;
-        static const char * const required_active_services[] = {"pcv", "gpio", "pinmux", "psc:c"};
+        static const char * const required_active_services[] = {"pcv", "gpio", "pinmux", "psc:m"};
         for (unsigned int i = 0; i < sts::util::size(required_active_services); i++) {
             R_ASSERT(smGetServiceOriginal(&tmp_hnd, smEncodeName(required_active_services[i])));
             svcCloseHandle(tmp_hnd);

stratosphere/boot/source/boot_main.cpp

@@ -107,8 +107,6 @@ void __appExit(void) {
 
 int main(int argc, char **argv)
 {
-    consoleDebugInit(debugDevice_SVC);
-
     /* Change voltage from 3.3v to 1.8v for select devices. */
     boot::ChangeGpioVoltageTo1_8v();
 

stratosphere/libstratosphere/include/stratosphere/firmware_version.hpp

@@ -27,7 +27,8 @@ enum FirmwareVersion : u32 {
     FirmwareVersion_700 = 6,
     FirmwareVersion_800 = 7,
     FirmwareVersion_810 = 8,
-    FirmwareVersion_Current = FirmwareVersion_810,
+    FirmwareVersion_900 = 9,
+    FirmwareVersion_Current = FirmwareVersion_900,
     FirmwareVersion_Max = 32,
 };
 
@@ -42,6 +43,7 @@ enum AtmosphereTargetFirmware : u32 {
     AtmosphereTargetFirmware_700 = 8,
     AtmosphereTargetFirmware_800 = 9,
     AtmosphereTargetFirmware_810 = 10,
+    AtmosphereTargetFirmware_900 = 11,
 };
 
 FirmwareVersion GetRuntimeFirmwareVersion();

stratosphere/libstratosphere/include/stratosphere/ncm/ncm_types.hpp

@@ -110,6 +110,7 @@ namespace sts::ncm {
         static const TitleId Olsc;
         static const TitleId Dt;
         static const TitleId Nd;
+        static const TitleId Ngct;
 
         static const TitleId SystemEnd;
 
@@ -279,6 +280,7 @@ namespace sts::ncm {
     inline constexpr const TitleId TitleId::Olsc        = { 0x010000000000003Eul };
     inline constexpr const TitleId TitleId::Dt          = { 0x010000000000003Ful };
     inline constexpr const TitleId TitleId::Nd          = { 0x0100000000000040ul };
+    inline constexpr const TitleId TitleId::Ngct        = { 0x0100000000000041ul };
 
     inline constexpr const TitleId TitleId::SystemEnd   = { 0x01000000000007FFul };
 

stratosphere/libstratosphere/source/cfg/cfg_sd_card.cpp

@@ -28,7 +28,7 @@ namespace sts::cfg {
             sm::ServiceName::Encode("pcv"),
             sm::ServiceName::Encode("gpio"),
             sm::ServiceName::Encode("pinmux"),
-            sm::ServiceName::Encode("psc:c")
+            sm::ServiceName::Encode("psc:m"),
         };
         constexpr size_t NumRequiredServicesForSdCardAccess = util::size(RequiredServicesForSdCardAccess);
 
@@ -46,6 +46,7 @@ namespace sts::cfg {
                     return ResultFsSdCardNotPresent;
                 }
             }
+
             R_ASSERT(fsMountSdcard(&g_sd_card_filesystem));
             g_sd_card_initialized = true;
             return ResultSuccess;

stratosphere/libstratosphere/source/firmware_version.cpp

@@ -76,6 +76,9 @@ static void _CacheValues(void)
         case AtmosphereTargetFirmware_810:
             g_firmware_version = FirmwareVersion_810;
             break;
+        case AtmosphereTargetFirmware_900:
+            g_firmware_version = FirmwareVersion_900;
+            break;
         default:
             std::abort();
             break;
@@ -139,6 +142,11 @@ void SetFirmwareVersionForLibnx() {
             minor = 1;
             micro = 0;
             break;
+        case FirmwareVersion_900:
+            major = 9;
+            minor = 0;
+            micro = 0;
+            break;
         default:
             std::abort();
             break;

stratosphere/loader/source/ldr_process_creation.cpp

@@ -102,6 +102,136 @@ namespace sts::ldr {
         bool g_has_nso[Nso_Count];
         NsoHeader g_nso_headers[Nso_Count];
 
+        /* Anti-downgrade. */
+        struct MinimumTitleVersion {
+            ncm::TitleId title_id;
+            u32 version;
+        };
+
+        constexpr u32 MakeSystemVersion(u32 major, u32 minor, u32 micro) {
+            return (major << 26) | (minor << 20) | (micro << 16);
+        }
+
+        constexpr MinimumTitleVersion g_MinimumTitleVersions810[] = {
+            {ncm::TitleId::Settings,    1},
+            {ncm::TitleId::Bus,         1},
+            {ncm::TitleId::Audio,       1},
+            {ncm::TitleId::NvServices,  1},
+            {ncm::TitleId::Ns,          1},
+            {ncm::TitleId::Ssl,         1},
+            {ncm::TitleId::Es,          1},
+            {ncm::TitleId::Creport,     1},
+            {ncm::TitleId::Ro,          1},
+        };
+        constexpr size_t g_MinimumTitleVersionsCount810 = util::size(g_MinimumTitleVersions810);
+
+        constexpr MinimumTitleVersion g_MinimumTitleVersions900[] = {
+            /* All non-Development System Modules. */
+            {ncm::TitleId::Usb,         MakeSystemVersion(9, 0, 0)},
+            {ncm::TitleId::Tma,         MakeSystemVersion(9, 0, 0)},
+            {ncm::TitleId::Boot2,       MakeSystemVersion(9, 0, 0)},
+            {ncm::TitleId::Settings,    MakeSystemVersion(9, 0, 0)},
+            {ncm::TitleId::Bus,         MakeSystemVersion(9, 0, 0)},
+            {ncm::TitleId::Bluetooth,   MakeSystemVersion(9, 0, 0)},
+            {ncm::TitleId::Bcat,        MakeSystemVersion(9, 0, 0)},
+         /* {ncm::TitleId::Dmnt,        MakeSystemVersion(9, 0, 0)}, */
+            {ncm::TitleId::Friends,     MakeSystemVersion(9, 0, 0)},
+            {ncm::TitleId::Nifm,        MakeSystemVersion(9, 0, 0)},
+            {ncm::TitleId::Ptm,         MakeSystemVersion(9, 0, 0)},
+         /* {ncm::TitleId::Shell,       MakeSystemVersion(9, 0, 0)}, */
+            {ncm::TitleId::BsdSockets,  MakeSystemVersion(9, 0, 0)},
+            {ncm::TitleId::Hid,         MakeSystemVersion(9, 0, 0)},
+            {ncm::TitleId::Audio,       MakeSystemVersion(9, 0, 0)},
+            {ncm::TitleId::LogManager,  MakeSystemVersion(9, 0, 0)},
+            {ncm::TitleId::Wlan,        MakeSystemVersion(9, 0, 0)},
+         /* {ncm::TitleId::Cs,          MakeSystemVersion(9, 0, 0)}, */
+            {ncm::TitleId::Ldn,         MakeSystemVersion(9, 0, 0)},
+            {ncm::TitleId::NvServices,  MakeSystemVersion(9, 0, 0)},
+            {ncm::TitleId::Pcv,         MakeSystemVersion(9, 0, 0)},
+            {ncm::TitleId::Ppc,         MakeSystemVersion(9, 0, 0)},
+            {ncm::TitleId::NvnFlinger,  MakeSystemVersion(9, 0, 0)},
+            {ncm::TitleId::Pcie,        MakeSystemVersion(9, 0, 0)},
+            {ncm::TitleId::Account,     MakeSystemVersion(9, 0, 0)},
+            {ncm::TitleId::Ns,          MakeSystemVersion(9, 0, 0)},
+            {ncm::TitleId::Nfc,         MakeSystemVersion(9, 0, 0)},
+            {ncm::TitleId::Psc,         MakeSystemVersion(9, 0, 0)},
+            {ncm::TitleId::CapSrv,      MakeSystemVersion(9, 0, 0)},
+            {ncm::TitleId::Am,          MakeSystemVersion(9, 0, 0)},
+            {ncm::TitleId::Ssl,         MakeSystemVersion(9, 0, 0)},
+            {ncm::TitleId::Nim,         MakeSystemVersion(9, 0, 0)},
+         /* {ncm::TitleId::Cec,         MakeSystemVersion(9, 0, 0)}, */
+         /* {ncm::TitleId::Tspm,        MakeSystemVersion(9, 0, 0)}, */
+         /* {ncm::TitleId::Spl,         MakeSystemVersion(9, 0, 0)}, */
+            {ncm::TitleId::Lbl,         MakeSystemVersion(9, 0, 0)},
+            {ncm::TitleId::Btm,         MakeSystemVersion(9, 0, 0)},
+            {ncm::TitleId::Erpt,        MakeSystemVersion(9, 0, 0)},
+         /* {ncm::TitleId::Time,        MakeSystemVersion(9, 0, 0)}, */
+            {ncm::TitleId::Vi,          MakeSystemVersion(9, 0, 0)},
+            {ncm::TitleId::Pctl,        MakeSystemVersion(9, 0, 0)},
+            {ncm::TitleId::Npns,        MakeSystemVersion(9, 0, 0)},
+            {ncm::TitleId::Eupld,       MakeSystemVersion(9, 0, 0)},
+            {ncm::TitleId::Glue,        MakeSystemVersion(9, 0, 0)},
+            {ncm::TitleId::Eclct,       MakeSystemVersion(9, 0, 0)},
+            {ncm::TitleId::Es,          MakeSystemVersion(9, 0, 0)},
+            {ncm::TitleId::Fatal,       MakeSystemVersion(9, 0, 0)},
+            {ncm::TitleId::Grc,         MakeSystemVersion(9, 0, 0)},
+            {ncm::TitleId::Creport,     MakeSystemVersion(9, 0, 0)},
+            {ncm::TitleId::Ro,          MakeSystemVersion(9, 0, 0)},
+         /* {ncm::TitleId::Profiler,    MakeSystemVersion(9, 0, 0)}, */
+            {ncm::TitleId::Sdb,         MakeSystemVersion(9, 0, 0)},
+            {ncm::TitleId::Migration,   MakeSystemVersion(9, 0, 0)},
+         /* {ncm::TitleId::Jit,         MakeSystemVersion(9, 0, 0)}, */
+            {ncm::TitleId::JpegDec,     MakeSystemVersion(9, 0, 0)},
+            {ncm::TitleId::SafeMode,    MakeSystemVersion(9, 0, 0)},
+            {ncm::TitleId::Olsc,        MakeSystemVersion(9, 0, 0)},
+         /* {ncm::TitleId::Dt,          MakeSystemVersion(9, 0, 0)}, */
+         /* {ncm::TitleId::Nd,          MakeSystemVersion(9, 0, 0)}, */
+            {ncm::TitleId::Ngct,        MakeSystemVersion(9, 0, 0)},
+
+            /* All Web Applets. */
+            {ncm::TitleId::AppletWeb,           MakeSystemVersion(9, 0, 0)},
+            {ncm::TitleId::AppletShop,          MakeSystemVersion(9, 0, 0)},
+            {ncm::TitleId::AppletOfflineWeb,    MakeSystemVersion(9, 0, 0)},
+            {ncm::TitleId::AppletLoginShare,    MakeSystemVersion(9, 0, 0)},
+            {ncm::TitleId::AppletWifiWebAuth,   MakeSystemVersion(9, 0, 0)},
+        };
+        constexpr size_t g_MinimumTitleVersionsCount900 = util::size(g_MinimumTitleVersions900);
+
+        Result ValidateTitleVersion(ncm::TitleId title_id, u32 version) {
+            if (GetRuntimeFirmwareVersion() < FirmwareVersion_810) {
+                return ResultSuccess;
+            } else {
+#ifdef LDR_VALIDATE_PROCESS_VERSION
+                const MinimumTitleVersion *entries = nullptr;
+                size_t num_entries = 0;
+                switch (GetRuntimeFirmwareVersion()) {
+                    case FirmwareVersion_810:
+                        entries = g_MinimumTitleVersions810;
+                        num_entries = g_MinimumTitleVersionsCount810;
+                        break;
+                    case FirmwareVersion_900:
+                        entries = g_MinimumTitleVersions900;
+                        num_entries = g_MinimumTitleVersionsCount900;
+                        break;
+                    default:
+                        entries = nullptr;
+                        num_entries = 0;
+                        break;
+                }
+
+                for (size_t i = 0; i < num_entries; i++) {
+                    if (entries[i].title_id == title_id && entries[i].version > version) {
+                        return ResultLoaderInvalidVersion;
+                    }
+                }
+
+                return ResultSuccess;
+#else
+                return ResultSuccess;
+#endif
+            }
+        }
+
         /* Helpers. */
         Result GetProgramInfoFromMeta(ProgramInfo *out, const Meta *meta) {
             /* Copy basic info. */
@@ -115,7 +245,7 @@ namespace sts::ldr {
 #define COPY_ACCESS_CONTROL(source, which) \
             ({ \
                 const size_t size = meta->source->which##_size; \
-                if (offset + size >= sizeof(out->ac_buffer)) { \
+                if (offset + size > sizeof(out->ac_buffer)) { \
                     return ResultLoaderInternalError; \
                 } \
                 out->source##_##which##_size = size; \
@@ -151,35 +281,6 @@ namespace sts::ldr {
             return static_cast<Acid::PoolPartition>((meta->acid->flags & Acid::AcidFlag_PoolPartitionMask) >> Acid::AcidFlag_PoolPartitionShift);
         }
 
-        constexpr bool IsDisallowedVersion810(const ncm::TitleId title_id, const u32 version) {
-            return version == 0 &&
-                (title_id == ncm::TitleId::Settings ||
-                 title_id == ncm::TitleId::Bus ||
-                 title_id == ncm::TitleId::Audio ||
-                 title_id == ncm::TitleId::NvServices ||
-                 title_id == ncm::TitleId::Ns ||
-                 title_id == ncm::TitleId::Ssl ||
-                 title_id == ncm::TitleId::Es ||
-                 title_id == ncm::TitleId::Creport ||
-                 title_id == ncm::TitleId::Ro);
-        }
-
-        Result ValidateTitleVersion(ncm::TitleId title_id, u32 version) {
-            if (GetRuntimeFirmwareVersion() < FirmwareVersion_810) {
-                return ResultSuccess;
-            } else {
-#ifdef LDR_VALIDATE_PROCESS_VERSION
-                if (IsDisallowedVersion810(title_id, version)) {
-                    return ResultLoaderInvalidVersion;
-                } else {
-                    return ResultSuccess;
-                }
-#else
-                return ResultSuccess;
-#endif
-            }
-        }
-
         Result LoadNsoHeaders(ncm::TitleId title_id, NsoHeader *nso_headers, bool *has_nso) {
             /* Clear NSOs. */
             std::memset(nso_headers, 0, sizeof(*nso_headers) * Nso_Count);

stratosphere/pm/source/boot2/boot2_api.cpp

@@ -35,11 +35,11 @@ namespace sts::boot2 {
             ncm::TitleId::Bus,         /* bus */
             ncm::TitleId::Settings,    /* settings */
             ncm::TitleId::Pcv,         /* pcv */
+            ncm::TitleId::Usb,         /* usb */
         };
         constexpr size_t NumPreSdCardLaunchPrograms = util::size(PreSdCardLaunchPrograms);
 
         constexpr ncm::TitleId AdditionalLaunchPrograms[] = {
-            ncm::TitleId::Usb,         /* usb */
             ncm::TitleId::Tma,         /* tma */
             ncm::TitleId::Am,          /* am */
             ncm::TitleId::NvServices,  /* nvservices */
@@ -80,11 +80,11 @@ namespace sts::boot2 {
             ncm::TitleId::Migration,   /* migration */
             ncm::TitleId::Grc,         /* grc */
             ncm::TitleId::Olsc,        /* olsc */
+            ncm::TitleId::Ngct,        /* ngct */
         };
         constexpr size_t NumAdditionalLaunchPrograms = util::size(AdditionalLaunchPrograms);
 
         constexpr ncm::TitleId AdditionalMaintenanceLaunchPrograms[] = {
-            ncm::TitleId::Usb,         /* usb */
             ncm::TitleId::Tma,         /* tma */
             ncm::TitleId::Am,          /* am */
             ncm::TitleId::NvServices,  /* nvservices */
@@ -121,6 +121,7 @@ namespace sts::boot2 {
             ncm::TitleId::Migration,   /* migration */
             ncm::TitleId::Grc,         /* grc */
             ncm::TitleId::Olsc,        /* olsc */
+            ncm::TitleId::Ngct,        /* ngct */
         };
         constexpr size_t NumAdditionalMaintenanceLaunchPrograms = util::size(AdditionalMaintenanceLaunchPrograms);
 
@@ -156,6 +157,7 @@ namespace sts::boot2 {
                     break;
             }
 
+
             if (out_process_id) {
                 *out_process_id = process_id;
             }