From 4f09c61bfa3569511aae2b86eb30379a1cd11884 Mon Sep 17 00:00:00 2001
From: Michael Scire <SciresM@gmail.com>
Date: Thu, 26 Apr 2018 16:45:09 -0600
Subject: [PATCH] Loader: Push ldr:ro stub.

---
 stratosphere/loader/source/ldr_ro_service.cpp | 57 +++++++++++++++++++
 stratosphere/loader/source/ldr_ro_service.hpp | 34 +++++++++++
 2 files changed, 91 insertions(+)
 create mode 100644 stratosphere/loader/source/ldr_ro_service.cpp
 create mode 100644 stratosphere/loader/source/ldr_ro_service.hpp

diff --git a/stratosphere/loader/source/ldr_ro_service.cpp b/stratosphere/loader/source/ldr_ro_service.cpp
new file mode 100644
index 000000000..f5f7f5984
--- /dev/null
+++ b/stratosphere/loader/source/ldr_ro_service.cpp
@@ -0,0 +1,57 @@
+#include <switch.h>
+#include <cstdio>
+#include <algorithm>
+
+#include "ldr_ro_service.hpp"
+#include "ldr_registration.hpp"
+
+Result RelocatableObjectsService::dispatch(IpcParsedCommand &r, IpcCommand &out_c, u64 cmd_id, u8 *pointer_buffer, size_t pointer_buffer_size) {
+    Result rc = 0xF601;
+        
+    switch ((RoServiceCmd)cmd_id) {
+        case Ro_Cmd_LoadNro:
+            rc = WrapIpcCommandImpl<&RelocatableObjectsService::load_nro>(this, r, out_c, pointer_buffer, pointer_buffer_size);
+            break;
+        case Ro_Cmd_UnloadNro:
+            rc = WrapIpcCommandImpl<&RelocatableObjectsService::unload_nro>(this, r, out_c, pointer_buffer, pointer_buffer_size);
+            break;
+        case Ro_Cmd_LoadNrr:
+            rc = WrapIpcCommandImpl<&RelocatableObjectsService::load_nrr>(this, r, out_c, pointer_buffer, pointer_buffer_size);
+            break;
+        case Ro_Cmd_UnloadNrr:
+            rc = WrapIpcCommandImpl<&RelocatableObjectsService::unload_nrr>(this, r, out_c, pointer_buffer, pointer_buffer_size);
+            break;
+        case Ro_Cmd_Initialize:
+            rc = WrapIpcCommandImpl<&RelocatableObjectsService::initialize>(this, r, out_c, pointer_buffer, pointer_buffer_size);
+            break;
+        default:
+            break;
+    }
+    return rc;
+}
+
+
+std::tuple<Result, u64> load_nro(PidDescriptor pid, u64 nro_address, u64 nro_size, u64 bss_address, u64 bss_size) {
+    /* TODO */
+    return std::make_tuple(0xF601, 0);
+}
+
+std::tuple<Result> unload_nro(PidDescriptor pid, u64 nro_address) {
+    /* TODO */
+    return std::make_tuple(0xF601);
+}
+
+std::tuple<Result> load_nrr(PidDescriptor pid, u64 nrr_address, u64 nrr_size) {
+    /* TODO */
+    return std::make_tuple(0xF601);
+}
+
+std::tuple<Result> unload_nrr(PidDescriptor pid, u64 nrr_address) {
+    /* TODO */
+    return std::make_tuple(0xF601);
+}
+
+std::tuple<Result> initialize(PidDescriptor pid, CopiedHandle process_h) {
+    /* TODO */
+    return std::make_tuple(0xF601);
+}
diff --git a/stratosphere/loader/source/ldr_ro_service.hpp b/stratosphere/loader/source/ldr_ro_service.hpp
new file mode 100644
index 000000000..29d057ba0
--- /dev/null
+++ b/stratosphere/loader/source/ldr_ro_service.hpp
@@ -0,0 +1,34 @@
+#pragma once
+#include <switch.h>
+
+#include <stratosphere/iserviceobject.hpp>
+#include "ldr_registration.hpp"
+
+enum RoServiceCmd {
+    Ro_Cmd_LoadNro = 0,
+    Ro_Cmd_UnloadNro = 1,
+    Ro_Cmd_LoadNrr = 2,
+    Ro_Cmd_UnloadNrr = 3,
+    Ro_Cmd_Initialize = 4,
+};
+
+class RelocatableObjectsService : IServiceObject {
+    Handle process_handle;
+    u64 process_id;
+    bool has_initialized;
+    public:
+        RelocatableObjectsService() : process_handle(0), process_id(U64_MAX), has_initialized(false) { }
+        virtual Result dispatch(IpcParsedCommand &r, IpcCommand &out_c, u64 cmd_id, u8 *pointer_buffer, size_t pointer_buffer_size);
+        virtual Result handle_deferred() {
+            /* This service will never defer. */
+            return 0;
+        }
+        
+    private:
+        /* Actual commands. */
+        std::tuple<Result, u64> load_nro(PidDescriptor pid, u64 nro_address, u64 nro_size, u64 bss_address, u64 bss_size);
+        std::tuple<Result> unload_nro(PidDescriptor pid, u64 nro_address);
+        std::tuple<Result> load_nrr(PidDescriptor pid, u64 nrr_address, u64 nrr_size);
+        std::tuple<Result> unload_nrr(PidDescriptor pid, u64 nrr_address);
+        std::tuple<Result> initialize(PidDescriptor pid, CopiedHandle process_h);
+};
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