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https://github.com/zeldaret/mm.git
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Rozelette
e67fb5cf16
* OK * Initial documentation pass * Pass 2. Add script by Tharo * Renamed source file * Documentation cleanup * Update to latest master * Feedback * Bad merge * Permissions * Clang format * Feedback * format * Use calculation instead of constant * Rename as per suggestions * Fix bss ordering and minor merge conflicts (from Maide) * Update to current codebase and address feedback * Fixup names to match new enums * Format * Fix duplicate include * BSS shenanigans
118 lines
3.0 KiB
C
118 lines
3.0 KiB
C
#include "prevent_bss_reordering.h"
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#include "global.h"
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u8 D_80096B20 = 1;
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vu8 gViConfigUseDefault = 1;
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u8 gViConfigAdditionalScanLines = 0;
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u32 gViConfigFeatures = 0x42;
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f32 gViConfigXScale = 1.0f;
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f32 gViConfigYScale = 1.0f;
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IrqMgr gIrqMgr;
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u8 sIrqMgrStack[0x500];
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StackEntry sIrqMgrStackInfo;
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OSThread gMainThread;
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u8 sMainStack[0x900];
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StackEntry sMainStackInfo;
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OSMesg sPiMgrCmdBuff[50];
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OSMesgQueue gPiMgrCmdQ;
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void Idle_ClearMemory(void* begin, void* end) {
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if (begin < end) {
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bzero(begin, (uintptr_t)end - (uintptr_t)begin);
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}
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}
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void Idle_InitFramebuffer(u32* ptr, size_t numBytes, u32 value) {
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s32 temp = sizeof(u32);
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while (numBytes) {
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*ptr++ = value;
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numBytes -= temp;
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}
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}
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void Idle_InitScreen(void) {
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Idle_InitFramebuffer((u32*)gFramebuffer1, 0x25800, 0x00010001);
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ViConfig_UpdateVi(0);
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osViSwapBuffer(gFramebuffer1);
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osViBlack(false);
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}
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void Idle_InitMemory(void) {
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u32 pad;
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void* memEnd = OS_PHYSICAL_TO_K0(osMemSize);
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Idle_ClearMemory(0x80000400, gFramebuffer1);
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Idle_ClearMemory(D_80025D00, bootproc);
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Idle_ClearMemory(gGfxSPTaskYieldBuffer, memEnd);
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}
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void Idle_InitCodeAndMemory(void) {
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DmaRequest dmaReq;
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OSMesgQueue queue;
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OSMesg mesg;
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size_t oldSize;
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osCreateMesgQueue(&queue, &mesg, 1);
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oldSize = sDmaMgrDmaBuffSize;
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sDmaMgrDmaBuffSize = 0;
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DmaMgr_SendRequestImpl(&dmaReq, SEGMENT_START(code), SEGMENT_ROM_START(code),
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SEGMENT_ROM_END(code) - SEGMENT_ROM_START(code), 0, &queue, 0);
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Idle_InitScreen();
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Idle_InitMemory();
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osRecvMesg(&queue, NULL, OS_MESG_BLOCK);
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sDmaMgrDmaBuffSize = oldSize;
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Idle_ClearMemory(SEGMENT_BSS_START(code), SEGMENT_BSS_END(code));
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}
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void Main_ThreadEntry(void* arg) {
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StackCheck_Init(&sIrqMgrStackInfo, sIrqMgrStack, sIrqMgrStack + sizeof(sIrqMgrStack), 0, 0x100, "irqmgr");
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IrqMgr_Init(&gIrqMgr, &sIrqMgrStackInfo, Z_PRIORITY_IRQMGR, 1);
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DmaMgr_Start();
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Idle_InitCodeAndMemory();
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Main(arg);
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DmaMgr_Stop();
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}
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void Idle_InitVideo(void) {
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osCreateViManager(254);
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gViConfigFeatures = 66;
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gViConfigXScale = 1.0;
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gViConfigYScale = 1.0;
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switch (osTvType) {
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case OS_TV_NTSC:
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D_8009B290 = 2;
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gViConfigMode = osViModeNtscLan1;
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break;
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case OS_TV_MPAL:
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D_8009B290 = 30;
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gViConfigMode = osViModeMpalLan1;
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break;
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case OS_TV_PAL:
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D_8009B290 = 44;
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gViConfigMode = osViModeFpalLan1;
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gViConfigYScale = 0.833f;
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break;
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}
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D_80096B20 = 1;
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}
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void Idle_ThreadEntry(void* arg) {
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Idle_InitVideo();
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osCreatePiManager(150, &gPiMgrCmdQ, sPiMgrCmdBuff, ARRAY_COUNT(sPiMgrCmdBuff));
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StackCheck_Init(&sMainStackInfo, sMainStack, sMainStack + sizeof(sMainStack), 0, 0x400, "main");
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osCreateThread(&gMainThread, Z_THREAD_ID_MAIN, Main_ThreadEntry, arg, sMainStack + sizeof(sMainStack),
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Z_PRIORITY_MAIN);
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osStartThread(&gMainThread);
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osSetThreadPri(NULL, 0);
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do { } while (true); }
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