exo2: Initial work on the exosphere rewrite.

exo2: Implement uncompressor stub and boot code up to Main().

exo2: implement some more init (uart/gic)

exo2: implement more of init

exo2: improve reg api, add keyslot flag setters

exo2: implement se aes decryption/enc

exo2: fix bugs in loader stub/mmu mappings

exo2: start skeletoning bootconfig/global context types

arch: fix makefile flags

exo2: implement through master key derivation

exo2: implement device master keygen

exo2: more init through start of SetupSocSecurity

exo2: implement pmc secure scratch management

se: implement sticky bit validation

libexosphere: fix building for arm32

libexo: fix makefile flags

libexo: support building for arm64/arm

sc7fw: skeleton binary

sc7fw: skeleton a little more

sc7fw: implement all non-dram functionality

exo2: fix DivideUp error

sc7fw: implement more dram code, fix reg library errors

sc7fw: complete sc7fw impl.

exo2: skeleton the rest of SetupSocSecurity

exo2: implement fiq interrupt handler

exo2: implement all exception handlers

exo2: skeleton the entire smc api, implement the svc invoker

exo2: implement rest of SetupSocSecurity

exo2: correct slave security errors

exo2: fix register definition

exo2: minor fixes

exosphere2/program/source/boot/secmon_crt0_cpp.cpp

@@ -0,0 +1,46 @@
+/*
+ * Copyright (c) 2018-2020 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/>.
+ */
+#include <exosphere.hpp>
+#include "secmon_boot.hpp"
+#include "../secmon_setup.hpp"
+
+extern "C" void __libc_init_array();
+
+namespace ams::secmon::boot {
+
+    void Initialize(uintptr_t bss_start, size_t bss_end, uintptr_t boot_bss_start, uintptr_t boot_bss_end) {
+        /* Set our start time. */
+        auto &secmon_params = *MemoryRegionPhysicalDeviceBootloaderParams.GetPointer<pkg1::SecureMonitorParameters>();
+        secmon_params.secmon_start_time = *reinterpret_cast<volatile u32 *>(MemoryRegionPhysicalDeviceTimer.GetAddress() + 0x10);
+
+        /* Setup DMA controllers. */
+        SetupSocDmaControllers();
+
+        /* Make the page table. */
+        MakePageTable();
+
+        /* Setup memory controllers the MMU. */
+        SetupCpuMemoryControllersEnableMmu();
+
+        /* Clear bss. */
+        std::memset(reinterpret_cast<void *>(bss_start),      0, bss_end - bss_start);
+        std::memset(reinterpret_cast<void *>(boot_bss_start), 0, boot_bss_end - boot_bss_start);
+
+        /* Call init array. */
+        __libc_init_array();
+    }
+
+}