Decompile sCrc::calcCRC32

include/game/sLib/s_crc.hpp

@@ -0,0 +1,16 @@
+#pragma once
+#include <types.h>
+
+/// @brief Wrapper around the runtime's CRC32 calculation function.
+/// @ingroup slib
+class sCrc {
+public:
+    /**
+     * @brief Calculates the CRC32 checksum of a buffer.
+     *
+     * @param data The buffer to checksum.
+     * @param size The size of the buffer, in bytes.
+     * @return The CRC32 checksum.
+     */
+    static ulong calcCRC32(const void *data, ulong size);
+};

include/lib/revolution/OS.h

@@ -16,6 +16,7 @@ extern "C" {
 #include <revolution/OS/OSAudioSystem.h>
 #include <revolution/OS/OSCache.h>
 #include <revolution/OS/OSContext.h>
+#include <revolution/OS/OSCrc.h>
 #include <revolution/OS/OSError.h>
 #include <revolution/OS/OSExec.h>
 #include <revolution/OS/OSFastCast.h>

include/lib/revolution/OS/OSCrc.h

@@ -0,0 +1,13 @@
+#ifndef RVL_SDK_OS_CRC_H
+#define RVL_SDK_OS_CRC_H
+#include <types.h>
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+ulong OSCalcCRC32(const void *, ulong);
+
+#ifdef __cplusplus
+}
+#endif
+#endif

slices/wiimj2d.json

@@ -675,6 +675,12 @@
                 ".sdata2": "0x2b70-0x2b78"
             }
         },
+        {
+            "source": "dol/sLib/s_crc.cpp",
+            "memoryRanges": {
+                ".text": "0x158af0-0x158b00"
+            }
+        },
         {
             "source": "dol/sLib/s_lib.cpp",
             "memoryRanges": {

source/dol/sLib/s_crc.cpp

@@ -0,0 +1,6 @@
+#include <game/sLib/s_crc.hpp>
+#include <revolution/OS.h>
+
+ulong sCrc::calcCRC32(const void *data, ulong size) {
+    return OSCalcCRC32(data, size);
+}

syms.txt

@@ -491,6 +491,7 @@ OSSuspendThread=0x801B5C40
 OSSetThreadPriority=0x801B5FC0
 OSGetThreadPriority=0x801B60B0
 OSGetTime=0x801B60C0
+OSCalcCRC32=0x801B8760
 VIWaitForRetrace=0x801BCE30
 VIEnableDimming=0x801BE430
 PSMTXIdentity=0x801C0610