libmeso: explicitly blacklist ::sdmmc::, instead of relying on incorrect board tricks

libraries/libvapours/source/sdmmc/impl/sdmmc_timer.hpp

@@ -0,0 +1,68 @@
+/*
+ * 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/>.
+ */
+#pragma once
+#include <vapours.hpp>
+
+namespace ams::sdmmc::impl {
+
+    void WaitMicroSeconds(u32 us);
+    void WaitClocks(u32 num_clocks, u32 clock_frequency_khz);
+
+    #if defined(AMS_SDMMC_USE_OS_TIMER)
+        class ManualTimer {
+            private:
+                os::Tick timeout_tick;
+                bool is_timed_out;
+            public:
+                explicit ManualTimer(u32 ms) {
+                    this->timeout_tick = os::GetSystemTick() + os::ConvertToTick(TimeSpan::FromMilliSeconds(ms));
+                    this->is_timed_out = false;
+                }
+
+                bool Update() {
+                    if (this->is_timed_out) {
+                        return false;
+                    }
+
+                    this->is_timed_out = os::GetSystemTick() > this->timeout_tick;
+                    return true;
+                }
+        };
+    #elif defined(AMS_SDMMC_USE_UTIL_TIMER)
+        class ManualTimer {
+            private:
+                u32 timeout_us;
+                bool is_timed_out;
+            public:
+                explicit ManualTimer(u32 ms) {
+                    this->timeout_us   = util::GetMicroSeconds() + (ms * 1000);
+                    this->is_timed_out = false;
+                }
+
+                bool Update() {
+                    if (this->is_timed_out) {
+                        return false;
+                    }
+
+                    this->is_timed_out = util::GetMicroSeconds() > this->timeout_us;
+                    return true;
+                }
+        };
+    #else
+        #error "Unknown context for ams::sdmmc::ManualTimer"
+    #endif
+
+}