most of JHostIO / m_Do_hostIO done (#2288)

2026-09-01 08:22:58 -04:00 · 2025-01-19 21:05:53 -08:00
parent b6dbdd16e8
commit 2014eab06f
41 changed files with 3653 additions and 52 deletions
@@ -0,0 +1,167 @@
+#include "JSystem/JHostIO/JHIMccBuf.h"
+#include "JSystem/JHostIO/JHIRMcc.h"
+#include <dolphin.h>
+
+u32 gsEnableHostio;
+u32 gsEnableInterface;
+u32 gsDataToRead;
+
+u8* gsReadBuf;
+u8* gsWriteBuf;
+JHICommBufReader* gsJHIrecvBuf;
+JHICommBufWriter* gsJHIsendBuf;
+
+JHIMccContext gMccContext;
+
+BOOL JHIInit(u32 enabled) {
+    gsEnableHostio = enabled;
+    gsDataToRead = 0;
+    gsEnableInterface = TRUE;
+
+    if (gsEnableHostio) {
+        OS_REPORT("INFO:********************************\n");
+        OS_REPORT("INFO: Opening Hostio service...\n");
+
+        if (!JHIInitMCC(&gMccContext, NULL)) {
+            gsEnableInterface = FALSE;
+            OS_REPORT("ERROR: Cannot Open HostIO Interface..\n");
+            OS_REPORT("INFO:  *** Disable JHostIO ***\n");
+        }
+
+        gsReadBuf = new (32) u8[0xC000];
+        gsWriteBuf = new (32) u8[0xC000];
+
+        if (gsReadBuf == NULL || gsWriteBuf == NULL) {
+            gsEnableInterface = FALSE;
+            OS_REPORT("ERROR: Cannot alloc transport buffer..\n");
+            OS_REPORT("INFO:  *** Disable JHostIO ***\n");
+        }
+    }
+
+    return gsEnableInterface && gsEnableHostio;
+}
+
+static void dummyString() {
+    DEAD_STRING("INFO:Quitting Hostio...");
+}
+
+// NONMATCHING - small branch issue
+u32 JHIEventLoop() {
+    static u32 tNowWrite;
+    static u32 tNowRead;
+    static u8* tReadBuf;
+    static u8* tWriteBuf;
+
+    int var_r30;
+    u32 available_size;
+
+    if (gsEnableHostio && gsEnableInterface) {
+        if (tNowRead != 0) {
+            var_r30 = gsJHIsendBuf->writeBegin();
+            if (var_r30 >= tNowRead) {
+                gsJHIsendBuf->write(tReadBuf, tNowRead);
+                gsJHIsendBuf->writeEnd();
+                tNowRead = 0;
+                tReadBuf = gsReadBuf;
+            } else if (var_r30 != 0) {
+                gsJHIsendBuf->write(tReadBuf, var_r30);
+                gsJHIsendBuf->writeEnd();
+                tNowRead -= var_r30;
+                tReadBuf += var_r30;
+            }
+        } else {
+            available_size = gMccContext.mp_reader->available();
+            if (available_size != 0) {
+                JHIReport("DEBUG: Dolphin <- PC Data Available : Size:%d\n", available_size);
+                gMccContext.mp_reader->readBegin();
+
+                u32 var_r27 = gMccContext.mp_reader->read(gsReadBuf);
+                if (var_r27 != 0) {
+                    gMccContext.mp_reader->readEnd();
+                    tNowRead = 0;
+                    tReadBuf = gsReadBuf;
+
+                    u32 var_r28 = gsJHIsendBuf->writeBegin();
+                    if (var_r28 >= var_r27) {
+                        gsJHIsendBuf->write(tReadBuf, var_r27);
+                        gsJHIsendBuf->writeEnd();
+                    } else {
+                        if (var_r28 != 0) {
+                            gsJHIsendBuf->write(tReadBuf, var_r28);
+                            gsJHIsendBuf->writeEnd();
+                        }
+                        tNowRead = var_r27 - var_r28;
+                        tReadBuf = gsReadBuf + var_r28;
+                    }
+                }
+            }
+        }
+
+        if (tNowWrite != 0) {
+            var_r30 = gMccContext.mp_writer->writeBegin();
+            if (var_r30 > tNowWrite) {
+                gMccContext.mp_writer->write(tWriteBuf, tNowWrite);
+                gMccContext.mp_writer->writeEnd();
+                tNowWrite = 0;
+                tWriteBuf = gsWriteBuf;
+            } else if (var_r30 != 0) {
+                gMccContext.mp_writer->write(tWriteBuf, var_r30);
+                gMccContext.mp_writer->writeEnd();
+                tNowWrite -= var_r30;
+                tWriteBuf += var_r30;
+            }
+        } else {
+            available_size =  gsJHIrecvBuf->available();
+            if (available_size != 0) {
+                JHIReport("DEBUG: Dolphin -> PC Data Available : Size:%d\n", available_size);
+
+                u32 temp_r26 = available_size < 0xC000 ? available_size : 0xC000;
+                gsJHIrecvBuf->readBegin();
+                gsJHIrecvBuf->read(gsWriteBuf, temp_r26);
+                gsJHIrecvBuf->readEnd();
+                tNowWrite = 0;
+                tWriteBuf = gsWriteBuf;
+
+                var_r30 = gMccContext.mp_writer->writeBegin();
+                if (var_r30 > temp_r26) {
+                    gMccContext.mp_writer->write(tWriteBuf, temp_r26);
+                    gMccContext.mp_writer->writeEnd();
+                } else if (var_r30 != 0) {
+                    gMccContext.mp_writer->write(tWriteBuf, var_r30);
+                    gMccContext.mp_writer->writeEnd();
+                    tNowWrite = temp_r26 - var_r30;
+                    tWriteBuf = gsWriteBuf + var_r30;
+                }
+            }
+        }
+
+        if (!gMccContext.mp_reader->isPort() || !gMccContext.mp_writer->isPort()) {
+            gsEnableInterface = 0;
+        }
+    } else if (!gsEnableInterface && gsEnableHostio != 0 && JHIInitInterface()) {
+        OS_REPORT("INFO: JHostIO: Enabled USB2EXI Interface\n");
+        bool sp8 = JHINegotiateInterface(800);
+        if (sp8) {
+            gMccContext = JHIGetHiSpeedContext();
+        } else {
+            gMccContext = JHIGetLowSpeedContext();
+        }
+
+        gMccContext.mp_reader->enablePort();
+        gMccContext.mp_writer->enablePort();
+        gMccContext.mp_reader->init();
+        gMccContext.mp_writer->init();
+        gsEnableInterface = TRUE;
+    }
+
+    return 0;
+}
+
+BOOL JOR_CHECKINTERFACE() {
+    return (gsEnableInterface && gsEnableHostio) != 0;
+}
+
+void JHISetBuffer(JHIContext* pCtx) {
+    gsJHIrecvBuf = pCtx->mp_reader;
+    gsJHIsendBuf = pCtx->mp_writer;
+}