Implement & link jaudio_NES/dummyrom.c

2026-06-27 00:45:12 -04:00 · 2024-06-03 18:52:26 -04:00
parent 7f001f81e7
commit 1ae02605f6
10 changed files with 153 additions and 14 deletions
@@ -0,0 +1,94 @@
+#include "jaudio_NES/dummyrom.h"
+
+#include "dolphin/ar.h"
+#include "jaudio_NES/dvdthread.h"
+#include "jaudio_NES/os.h"
+#include "jaudio_NES/memory.h"
+
+u8* JAC_ARAM_DMA_BUFFER_TOP = nullptr;
+static u32 AUDIO_ARAM_TOP = 0;
+static u32 CARD_SECURITY_BUFFER = 0;
+static u32 init_load_size = 0;
+static u8* init_load_addr = nullptr;
+static BOOL init_cut_flag = FALSE;
+static u32 SELECTED_ARAM_SIZE = 0;
+
+extern u32 GetNeos_FileTop(void) {
+    if (init_cut_flag) {
+        return 0;
+    }
+
+    return init_load_size;
+}
+
+extern u32 GetNeosRomTop(void) {
+    return AUDIO_ARAM_TOP;
+}
+
+extern u32 GetNeosRom_PreLoaded(void) {
+    DVDT_DRAMtoARAM(0, (u32)init_load_addr, AUDIO_ARAM_TOP, init_load_size, nullptr, nullptr);
+    return init_load_size;
+}
+
+extern void SetPreCopy_NeosRom(u8* load_addr, u32 load_size, BOOL cut_flag) {
+    init_load_size = load_size;
+    init_load_addr = load_addr;
+    init_cut_flag = cut_flag;
+}
+
+static void mesg_finishcall(u32 mq) {
+    Z_osSendMesg((OSMesgQueue*)mq, NULL, OS_MESSAGE_NOBLOCK);
+}
+
+extern BOOL ARAMStartDMAmesg(u32 dir, u32 dramAddr, u32 aramAddr, u32 size, s32 unused, OSMesgQueue* mq) {
+    aramAddr += AUDIO_ARAM_TOP;
+
+    if (dir == DUMMYROM_ARAM_TO_DRAM) {
+        DVDT_ARAMtoDRAM((u32)mq, dramAddr, aramAddr, size, nullptr, &mesg_finishcall);
+    } else {
+        DVDT_DRAMtoARAM((u32)mq, dramAddr, aramAddr, size, nullptr, &mesg_finishcall);
+    }
+
+    return FALSE;
+}
+
+extern void Jac_SetAudioARAMSize(u32 size) {
+    SELECTED_ARAM_SIZE = size;
+}
+
+extern void ARAllocFull(u32* outSize) {
+    u32 freeSize = aram_hp.length - ((int)aram_hp.current - (int)aram_hp.base);
+
+    Nas_HeapAlloc(&aram_hp, freeSize - 32);
+    *outSize = freeSize - 32;
+}
+
+extern void Jac_InitARAM(u32 loadAudiorom) {
+    u32 aram_size = AUDIO_ARAM_SIZE;
+    volatile u32 audiorom_size;
+
+    if (SELECTED_ARAM_SIZE != 0) {
+        aram_size = SELECTED_ARAM_SIZE;
+    }
+
+    AUDIO_ARAM_TOP = ARGetBaseAddress();
+    if (loadAudiorom) {
+        audiorom_size = Jac_CheckFile("/audiorom.img");
+        if (audiorom_size != 0) {
+            audiorom_size = ALIGN_NEXT(audiorom_size, 32);
+            (void)audiorom_size; /* leftover from some debug print? */
+        }
+    } else {
+        audiorom_size = 0;
+    }
+
+    CARD_SECURITY_BUFFER = 0x40;
+    audiorom_size += AUDIO_ARAM_TOP;
+    JAC_ARAM_DMA_BUFFER_TOP = (u8*)audiorom_size;
+    audiorom_size += AUDIO_ARAM_HEAP_SIZE;
+    Nas_HeapInit(&aram_hp, (u8*)audiorom_size, aram_size - audiorom_size);
+
+    /* Probably leftovers from some debug print statement */
+    (void)audiorom_size;
+    (void)audiorom_size;
+}