fusee/exo: build warmboot, use instead of Nintendo's.

exosphere/Makefile

@@ -75,6 +75,7 @@ export TOPDIR	:=	$(CURDIR)
 
 export VPATH	:=	$(foreach dir,$(SOURCES),$(CURDIR)/$(dir)) \
 			$(foreach dir,$(DATA),$(CURDIR)/$(dir)) \
+			$(TOPDIR)/lp0fw \
 			$(TOPDIR)/sc7fw
 
 export DEPSDIR	:=	$(CURDIR)/$(BUILD)
@@ -82,7 +83,7 @@ export DEPSDIR	:=	$(CURDIR)/$(BUILD)
 CFILES		:=	$(foreach dir,$(SOURCES),$(notdir $(wildcard $(dir)/*.c)))
 CPPFILES	:=	$(foreach dir,$(SOURCES),$(notdir $(wildcard $(dir)/*.cpp)))
 SFILES		:=	$(foreach dir,$(SOURCES),$(notdir $(wildcard $(dir)/*.s)))
-BINFILES	:=	$(foreach dir,$(DATA),$(notdir $(wildcard $(dir)/*.*))) sc7fw.bin
+BINFILES	:=	$(foreach dir,$(DATA),$(notdir $(wildcard $(dir)/*.*))) sc7fw.bin lp0fw.bin
 
 #---------------------------------------------------------------------------------
 # use CXX for linking C++ projects, CC for standard C
@@ -109,7 +110,7 @@ export INCLUDE	:=	$(foreach dir,$(INCLUDES),-I$(CURDIR)/$(dir)) \
 
 export LIBPATHS	:=	$(foreach dir,$(LIBDIRS),-L$(dir)/lib)
 
-.PHONY: $(BUILD) build_sc7fw clean all
+.PHONY: $(BUILD) build_sc7fw build_lp0fw clean all
 
 #---------------------------------------------------------------------------------
 all: $(BUILD)
@@ -117,7 +118,10 @@ all: $(BUILD)
 check_sc7fw:
 	@$(MAKE) -C sc7fw all
 
-$(BUILD): check_sc7fw
+check_lp0fw:
+	@$(MAKE) -C lp0fw all
+
+$(BUILD): check_sc7fw check_lp0fw
 	@[ -d $@ ] || mkdir -p $@
 	@$(MAKE) --no-print-directory -C $(BUILD) -f $(CURDIR)/Makefile
 
@@ -125,6 +129,7 @@ $(BUILD): check_sc7fw
 clean:
 	@echo clean ...
 	@$(MAKE) -C $(TOPDIR)/sc7fw clean
+	@$(MAKE) -C $(TOPDIR)/lp0fw clean
 	@rm -fr $(BUILD) $(TARGET).bin $(TARGET).elf
 
 

fusee/fusee-secondary/Makefile

@@ -79,7 +79,7 @@ export TOPDIR	:=	$(CURDIR)
 export KIPDIRS	:= $(AMS)/stratosphere/loader $(AMS)/stratosphere/pm $(AMS)/stratosphere/sm $(AMS)/stratosphere/boot $(AMS)/stratosphere/fs_mitm
 export VPATH	:=	$(foreach dir,$(SOURCES),$(CURDIR)/$(dir)) \
 			$(foreach dir,$(DATA),$(CURDIR)/$(dir)) \
-			$(AMS)/exosphere $(AMS)/thermosphere $(KIPDIRS)
+			$(AMS)/exosphere $(AMS)/exosphere/lp0fw $(AMS)/thermosphere $(KIPDIRS)
 
 export DEPSDIR	:=	$(CURDIR)/$(BUILD)
 
@@ -87,7 +87,7 @@ CFILES		:=	$(foreach dir,$(SOURCES),$(notdir $(wildcard $(dir)/*.c)))
 CPPFILES	:=	$(foreach dir,$(SOURCES),$(notdir $(wildcard $(dir)/*.cpp)))
 SFILES		:=	$(foreach dir,$(SOURCES),$(notdir $(wildcard $(dir)/*.s)))
 KIPFILES 	:=	loader.kip pm.kip sm.kip fs_mitm.kip boot_100.kip boot_200.kip
-BINFILES	:=	$(foreach dir,$(DATA),$(notdir $(wildcard $(dir)/*.*))) exosphere.bin thermosphere.bin splash_screen.bmp $(KIPFILES)
+BINFILES	:=	$(foreach dir,$(DATA),$(notdir $(wildcard $(dir)/*.*))) exosphere.bin lp0fw.bin thermosphere.bin splash_screen.bmp $(KIPFILES)
 
 #---------------------------------------------------------------------------------
 # use CXX for linking C++ projects, CC for standard C

fusee/fusee-secondary/src/lp0.h

@@ -0,0 +1,52 @@
+/*
+ * Copyright (c) 2018 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 FUSEE_WARMBOOT_BIN_LP0_H
+#define FUSEE_WARMBOOT_BIN_LP0_H
+
+#include "utils.h"
+
+/* WBT0 */
+#define WARMBOOT_MAGIC 0x30544257
+
+typedef struct {
+    uint32_t entrypoint_insn;
+    uint32_t magic;
+    uint32_t target_firmware;
+    uint32_t padding[2];
+} warmboot_metadata_t;
+
+typedef struct {
+    uint32_t warmboot_fw_size;
+    uint32_t dst_address;
+    uint32_t entrypoint;
+    uint32_t code_size;
+} warmboot_nv_header_t;
+
+typedef struct {
+    uint32_t warmboot_fw_size;
+    uint32_t _0x4[3];
+    uint8_t  rsa_modulus[0x100];
+    uint8_t  _0x110[0x10];
+    uint8_t  rsa_signature[0x100];
+    uint8_t  _0x220[0x10];
+    warmboot_nv_header_t nv_header;
+    warmboot_metadata_t ams_metadata;
+} warmboot_ams_header_t;
+
+_Static_assert(sizeof(warmboot_ams_header_t) == 0x254, "Warmboot header definition!");
+
+#endif

fusee/fusee-secondary/src/nxboot.c

@@ -41,6 +41,7 @@
 #include "package2.h"
 #include "smmu.h"
 #include "tsec.h"
+#include "lp0.h"
 #include "loader.h"
 #include "splash_screen.h"
 #include "exocfg.h"
@@ -50,10 +51,52 @@
 #define u8 uint8_t
 #define u32 uint32_t
 #include "exosphere_bin.h"
+#include "lp0fw_bin.h"
 #include "lib/log.h"
 #undef u8
 #undef u32
 
+extern const uint8_t lp0fw_bin[];
+extern const uint32_t lp0fw_bin_size;
+
+static const uint8_t retail_pkc_modulus[0x100] = {
+    0xF7, 0x86, 0x47, 0xAB, 0x71, 0x89, 0x81, 0xB5, 0xCF, 0x0C, 0xB0, 0xE8, 0x48, 0xA7, 0xFD, 0xAD,
+    0xCB, 0x4E, 0x4A, 0x52, 0x0B, 0x1A, 0x8E, 0xDE, 0x41, 0x87, 0x6F, 0xB7, 0x31, 0x05, 0x5F, 0xAA,
+    0xEA, 0x97, 0x76, 0x21, 0x20, 0x2B, 0x40, 0x48, 0x76, 0x55, 0x35, 0x03, 0xFE, 0x7F, 0x67, 0x62,
+    0xFD, 0x4E, 0xE1, 0x22, 0xF8, 0xF0, 0x97, 0x39, 0xEF, 0xEA, 0x47, 0x89, 0x3C, 0xDB, 0xF0, 0x02,
+    0xAD, 0x0C, 0x96, 0xCA, 0x82, 0xAB, 0xB3, 0xCB, 0x98, 0xC8, 0xDC, 0xC6, 0xAC, 0x5C, 0x93, 0x3B,
+    0x84, 0x3D, 0x51, 0x91, 0x9E, 0xC1, 0x29, 0x22, 0x95, 0xF0, 0xA1, 0x51, 0xBA, 0xAF, 0x5D, 0xC3,
+    0xAB, 0x04, 0x1B, 0x43, 0x61, 0x7D, 0xEA, 0x65, 0x95, 0x24, 0x3C, 0x51, 0x3E, 0x8F, 0xDB, 0xDB,
+    0xC1, 0xC4, 0x2D, 0x04, 0x29, 0x5A, 0xD7, 0x34, 0x6B, 0xCC, 0xF1, 0x06, 0xF9, 0xC9, 0xE1, 0xF9,
+    0x61, 0x52, 0xE2, 0x05, 0x51, 0xB1, 0x3D, 0x88, 0xF9, 0xA9, 0x27, 0xA5, 0x6F, 0x4D, 0xE7, 0x22,
+    0x48, 0xA5, 0xF8, 0x12, 0xA2, 0xC2, 0x5A, 0xA0, 0xBF, 0xC8, 0x76, 0x4B, 0x66, 0xFE, 0x1C, 0x73,
+    0x00, 0x29, 0x26, 0xCD, 0x18, 0x4F, 0xC2, 0xB0, 0x51, 0x77, 0x2E, 0x91, 0x09, 0x1B, 0x41, 0x5D,
+    0x89, 0x5E, 0xEE, 0x24, 0x22, 0x47, 0xE5, 0xE5, 0xF1, 0x86, 0x99, 0x67, 0x08, 0x28, 0x42, 0xF0,
+    0x58, 0x62, 0x54, 0xC6, 0x5B, 0xDC, 0xE6, 0x80, 0x85, 0x6F, 0xE2, 0x72, 0xB9, 0x7E, 0x36, 0x64,
+    0x48, 0x85, 0x10, 0xA4, 0x75, 0x38, 0x79, 0x76, 0x8B, 0x51, 0xD5, 0x87, 0xC3, 0x02, 0xC9, 0x1B,
+    0x93, 0x22, 0x49, 0xEA, 0xAB, 0xA0, 0xB5, 0xB1, 0x3C, 0x10, 0xC4, 0x71, 0xF0, 0xF1, 0x81, 0x1A,
+    0x3A, 0x9C, 0xFC, 0x51, 0x61, 0xB1, 0x4B, 0x18, 0xB2, 0x3D, 0xAA, 0xD6, 0xAC, 0x72, 0x26, 0xB7
+};
+
+static const uint8_t dev_pkc_modulus[0x100] = {
+    0x37, 0x84, 0x14, 0xB3, 0x78, 0xA4, 0x7F, 0xD8, 0x71, 0x45, 0xCD, 0x90, 0x51, 0x51, 0xBF, 0x2C,
+    0x27, 0x03, 0x30, 0x46, 0xBE, 0x8F, 0x99, 0x3E, 0x9F, 0x36, 0x4D, 0xEB, 0xF7, 0x0E, 0x81, 0x7F,
+    0xE4, 0x6B, 0xA8, 0x42, 0x8A, 0xA5, 0x4F, 0x76, 0xCC, 0xCB, 0xC5, 0x31, 0xA8, 0x5A, 0x70, 0x51,
+    0x34, 0xBF, 0x1E, 0x8D, 0x6E, 0xCF, 0x05, 0x84, 0xCF, 0x8B, 0xE5, 0x9C, 0x3A, 0xA5, 0xCD, 0x1A,
+    0x9C, 0xAC, 0x59, 0x30, 0x09, 0x21, 0x3C, 0xBE, 0x07, 0x5C, 0x8D, 0x1C, 0xD1, 0xA3, 0xC9, 0x8F,
+    0x26, 0xE2, 0x99, 0xB2, 0x3C, 0x28, 0xAD, 0x63, 0x0F, 0xF5, 0xA0, 0x1C, 0xA2, 0x34, 0xC4, 0x0E,
+    0xDB, 0xD7, 0xE1, 0xA9, 0x5E, 0xE9, 0xA5, 0xA8, 0x64, 0x3A, 0xFC, 0x48, 0xB5, 0x97, 0xDF, 0x55,
+    0x7C, 0x9A, 0xD2, 0x8C, 0x32, 0x36, 0x1D, 0xC5, 0xA0, 0xC5, 0x66, 0xDF, 0x8A, 0xAD, 0x76, 0x18,
+    0x46, 0x3E, 0xDF, 0xD8, 0xEF, 0xB9, 0xE5, 0xDC, 0xCD, 0x08, 0x59, 0xBC, 0x36, 0x68, 0xD6, 0xFC,
+    0x3F, 0xFA, 0x11, 0x00, 0x0D, 0x50, 0xE0, 0x69, 0x0F, 0x70, 0x78, 0x7E, 0xD1, 0xA5, 0x85, 0xCD,
+    0x13, 0xBC, 0x42, 0x74, 0x33, 0x0C, 0x11, 0x24, 0x1E, 0x33, 0xD5, 0x31, 0xB7, 0x3E, 0x48, 0x94,
+    0xCC, 0x81, 0x29, 0x1E, 0xB1, 0xCF, 0x4C, 0x36, 0x7F, 0xE1, 0x1C, 0x15, 0xD4, 0x3F, 0xFB, 0x12,
+    0xC2, 0x73, 0x22, 0x16, 0x52, 0xE0, 0x5C, 0x4C, 0x94, 0xE0, 0x87, 0x47, 0xEA, 0xD0, 0x9F, 0x42,
+    0x9B, 0xAC, 0xB6, 0xB5, 0xB6, 0x34, 0xE4, 0x55, 0x49, 0xD7, 0xC0, 0xAE, 0xD4, 0x22, 0xB3, 0x5C,
+    0x87, 0x64, 0x42, 0xEC, 0x11, 0x6D, 0xBC, 0x09, 0xC0, 0x80, 0x07, 0xD0, 0xBD, 0xBA, 0x45, 0xFE,
+    0xD5, 0x52, 0xDA, 0xEC, 0x41, 0xA4, 0xAD, 0x7B, 0x36, 0x86, 0x18, 0xB4, 0x5B, 0xD1, 0x30, 0xBB
+};
+
 static int exosphere_ini_handler(void *user, const char *section, const char *name, const char *value) {
     exosphere_config_t *exo_cfg = (exosphere_config_t *)user;
     int tmp = 0;
@@ -277,8 +320,6 @@ uint32_t nxboot_main(void) {
     void *warmboot_memaddr;
     void *package1loader;
     size_t package1loader_size;
-    package1_header_t *package1;
-    size_t package1_size;
     uint32_t available_revision;
     FILE *boot0, *pk2file;
     void *exosphere_memaddr;
@@ -403,7 +444,7 @@ uint32_t nxboot_main(void) {
         nxboot_set_bootreason();
     }
 
-    /* Read the warmboot firmware from a file, otherwise from PK1. */
+    /* Read the warmboot firmware from a file, otherwise from Atmosphere's implementation. */
     if (loader_ctx->warmboot_path[0] != '\0') {
         warmboot_fw_size = get_file_size(loader_ctx->warmboot_path);
         if (warmboot_fw_size == 0) {
@@ -420,30 +461,34 @@ uint32_t nxboot_main(void) {
             fatal_error("[NXBOOT]: Could not read the warmboot firmware from %s!\n", loader_ctx->warmboot_path);
         }
     } else {
-        if (target_firmware >= ATMOSPHERE_TARGET_FIRMWARE_620) {
+        /* Use Atmosphere's warmboot firmware implementation. */
-            /* Package1 was decrypted during TSEC emulation. */
+        warmboot_fw_size = lp0fw_bin_size;
-            const uint8_t *package1_hdr = (const uint8_t *)package1loader + 0x7000 - 0x20;
+        warmboot_fw = malloc(warmboot_fw_size);
-            package1 = (package1_header_t *)(package1_hdr + 0x20);
+
-            package1_size = *(uint32_t *)package1_hdr;
+        if (warmboot_fw == NULL) {
-            warmboot_fw = package1_get_warmboot_fw(package1);
+            fatal_error("[NXBOOT]: Out of memory!\n");
-            warmboot_fw_size = package1->warmboot_size;
-        } else {
-            /* Decrypt package1 and extract the warmboot firmware. */
-            uint8_t ctr[16];
-            package1_size = package1_get_encrypted_package1(&package1, ctr, package1loader, package1loader_size);
-            if (package1_decrypt(package1, package1_size, ctr)) {
-                warmboot_fw = package1_get_warmboot_fw(package1);
-                warmboot_fw_size = package1->warmboot_size;
-            } else {
-                warmboot_fw = NULL;
-                warmboot_fw_size = 0;
-            }
         }
         
+        memcpy(warmboot_fw, lp0fw_bin, warmboot_fw_size);
+        
         if (warmboot_fw_size == 0) {
             fatal_error("[NXBOOT]: Could not read the warmboot firmware from Package1!\n");
         }
     }
+    
+    /* Patch warmboot firmware for atmosphere. */
+    if (warmboot_fw != NULL && warmboot_fw_size >= sizeof(warmboot_ams_header_t)) {
+        warmboot_ams_header_t *ams_header = (warmboot_ams_header_t *)warmboot_fw;
+        if (ams_header->ams_metadata.magic == WARMBOOT_MAGIC) {
+            /* Set target firmware */
+            ams_header->ams_metadata.target_firmware = target_firmware;
+            
+            /* Set RSA modulus */
+            const uint8_t *pkc_modulus = fuse_get_retail_type() != 0 ? retail_pkc_modulus : dev_pkc_modulus;
+            memcpy(ams_header->rsa_modulus, pkc_modulus, sizeof(ams_header->rsa_modulus));
+        }
+    }
+        
 
     /* Select the right address for the warmboot firmware. */
     if (MAILBOX_EXOSPHERE_CONFIGURATION->target_firmware < ATMOSPHERE_TARGET_FIRMWARE_400) {