mirror of https://github.com/PCSX2/pcsx2.git
Added some tag code in I was fiddling with. (Nothing uses it yet. I mainly wanted a backup of what I was working on.)
git-svn-id: http://pcsx2.googlecode.com/svn/trunk@1622 96395faa-99c1-11dd-bbfe-3dabce05a288
This commit is contained in:
arcum42
parent
18a12b10b0
commit
5ce6df15bc
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@ -38,7 +38,7 @@ Hw.h IopMem.h Misc.h R5900.h SaveState.h Th
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Dump.h IopBios.h IopSio2.h NakedAsm.h R5900Exceptions.h Sif.h VU.h vtlb.h \
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COP0.h Elfheader.h IopBios2.h Mdec.h Patch.h R5900OpcodeTables.h Sifcmd.h VUflags.h \
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Cache.h Exceptions.h IopCommon.h MemcpyFast.h Paths.h Sio.h Sio_internal.h VUmicro.h \
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GS.h IopCounters.h Memory.h Plugins.h SPR.h Stats.h VUops.h
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GS.h IopCounters.h Memory.h Plugins.h SPR.h Stats.h VUops.h Tags.h
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#RedtapeWindows.h
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SUBDIRS = x86 . CDVD DebugTools IPU RDebug tinyxml Linux
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@ -45,6 +45,26 @@ public:
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static u64 GetCRC( uint mcdId );
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};
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struct superblock
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{
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char magic[28]; // 0x00
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char version[12]; // 0x1c
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u16 page_len; // 0x28
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u16 pages_per_cluster; // 0x2a
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u16 pages_per_block; // 0x2c
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u16 unused; // 0x2e
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u32 clusters_per_card; // 0x30
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u32 alloc_offset; // 0x34
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u32 alloc_end; // 0x38
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u32 rootdir_cluster; // 0x3c
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u32 backup_block1; // 0x40
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u32 backup_block2; // 0x44
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u32 ifc_list[32]; // 0x50
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u32 bad_block_list[32]; // 0xd0
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u8 card_type; // 0x150
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u8 card_flags; // 0x151
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};
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#if 0 // unused code?
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struct McdBlock
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{
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@ -0,0 +1,225 @@
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/* Pcsx2 - Pc Ps2 Emulator
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* Copyright (C) 2002-2009 Pcsx2 Team
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
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*/
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// This is meant to be a collection of generic functions dealing with tags.
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// I kept seeing the same code over and over with different structure names
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// and the same members, and figured it'd be a good spot to use templates...
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enum TransferMode
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{
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NORMAL_MODE = 0,
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CHAIN_MODE,
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INTERLEAVE_MODE,
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UNDEFINED_MODE
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};
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// Transfer a tag.
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template <class T>
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static __forceinline bool TransferTag(const char *s, T tag, u32* &ptag)
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{
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if (ptag == NULL) // Is ptag empty?
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{
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Console::Error("%s BUSERR", params s);
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tag->chcr = (tag->chcr & 0xFFFF) | ((*ptag) & 0xFFFF0000); // Transfer upper part of tag to CHCR bits 31-15
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psHu32(DMAC_STAT) |= DMAC_STAT_BEIS; // Set BEIS (BUSERR) in DMAC_STAT register
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return false;
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}
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else
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{
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tag->chcr = (tag->chcr & 0xFFFF) | ((*ptag) & 0xFFFF0000); //Transfer upper part of tag to CHCR bits 31-15
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tag->qwc = (u16)ptag[0]; //QWC set to lower 16bits of the tag
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return true;
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}
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}
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enum pce_values
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{
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PCE_NOTHING = 0,
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PCE_RESERVED,
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PCE_DISABLED,
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PCE_ENABLED
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};
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enum tag_id
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{
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TAG_REFE = 0,
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TAG_CNT,
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TAG_NEXT,
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TAG_REF,
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TAG_REFS,
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TAG_CALL,
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TAG_RET,
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TAG_END
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};
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namespace ChainTags
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{
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// Untested
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static __forceinline u16 QWC(u32 *tag)
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{
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return (tag[0] & 0xffff);
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}
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// Untested
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static __forceinline pce_values PCE(u32 *tag)
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{
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u8 temp = 0;
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if (tag[0] & (1 << 22)) temp |= (1 << 0);
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if (tag[0] & (1 << 23)) temp |= (1 << 1);
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return (pce_values)temp;
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}
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static __forceinline tag_id Id(u32* &tag)
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{
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u8 temp = 0;
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if (tag[0] & (1 << 28)) temp |= (1 << 0);
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if (tag[0] & (1 << 29)) temp |= (1 << 1);
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if (tag[0] & (1 << 30)) temp |= (1 << 2);
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return (tag_id)temp;
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}
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static __forceinline bool IRQ(u32 *tag)
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{
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return (tag[0] & 0x8000000);
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}
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}
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enum chcr_flags
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{
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CHCR_DIR = 0x0,
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CHCR_MOD1 = 0x4,
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CHCR_MOD2 = 0x8,
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CHCR_ASP1 = 0x10,
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CHCR_ASP2 = 0x20,
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CHCR_TTE = 0x40,
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CHCR_TIE = 0x80,
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CHCR_STR = 0x100
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};
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namespace CHCR
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{
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// Query the flags in the channel control register.
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template <class T>
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static __forceinline bool STR(T tag) { return (tag->chcr & CHCR_STR); }
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template <class T>
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static __forceinline bool TIE(T tag) { return (tag->chcr & CHCR_TIE); }
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template <class T>
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static __forceinline bool TTE(T tag) { return (tag->chcr & CHCR_TTE); }
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template <class T>
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static __forceinline u8 DIR(T tag) { return (tag->chcr & CHCR_DIR); }
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template <class T>
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static __forceinline TransferMode MOD(T tag)
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{
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u8 temp = 0;
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if (tag->chcr & CHCR_MOD1) temp |= (1 << 0);
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if (tag->chcr & CHCR_MOD2) temp |= (1 << 1);
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return (TransferMode)temp;
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}
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template <class T>
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static __forceinline u8 ASP(T tag)
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{
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u8 temp = 0;
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if (tag->chcr & CHCR_ASP1) temp |= (1 << 0);
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if (tag->chcr & CHCR_ASP2) temp |= (1 << 1);
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return temp;
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}
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// Set the individual flags. Untested.
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template <class T>
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static __forceinline void setSTR(T tag) { tag->chcr &= ~CHCR_STR; }
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template <class T>
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static __forceinline void setTIE(T tag) { tag->chcr &= ~CHCR_TIE; }
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template <class T>
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static __forceinline void setTTE(T tag) { tag->chcr &= ~CHCR_TTE; }
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template <class T>
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static __forceinline void setDIR(T tag) { tag->chcr &= ~CHCR_DIR; }
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template <class T>
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static __forceinline void setMOD(T tag, TransferMode mode)
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{
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if (mode & (1 << 0))
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tag->chcr |= CHCR_MOD1;
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else
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tag->chcr &= CHCR_MOD1;
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if (mode & (1 << 1))
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tag->chcr |= CHCR_MOD2;
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else
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tag->chcr &= CHCR_MOD2;
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}
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template <class T>
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static __forceinline void ASP(T tag, u8 num)
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{
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if (num & (1 << 0))
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tag->chcr |= CHCR_ASP1;
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else
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tag->chcr &= CHCR_ASP2;
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if (num & (1 << 1))
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tag->chcr |= CHCR_ASP1;
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else
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tag->chcr &= CHCR_ASP2;
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}
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// Clear them. Untested.
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template <class T>
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static __forceinline void clearSTR(T tag) { tag->chcr |= CHCR_STR; }
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template <class T>
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static __forceinline void clearTIE(T tag) { tag->chcr |= CHCR_TIE; }
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template <class T>
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static __forceinline void clearTTE(T tag) { tag->chcr |= CHCR_TTE; }
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template <class T>
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static __forceinline void clearDIR(T tag) { tag->chcr |= CHCR_DIR; }
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// Print information about a chcr tag.
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template <class T>
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static __forceinline void Print(const char* s, T tag)
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{
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u8 num_addr = ASP(tag);
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TransferMode mode = MOD(tag);
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Console::Write("%s chcr %s mem: ", params s, (DIR(tag)) ? "from" : "to");
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if (mode == NORMAL_MODE)
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Console::Write(" normal mode; ");
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else if (mode == CHAIN_MODE)
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Console::Write(" chain mode; ");
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else if (mode == INTERLEAVE_MODE)
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Console::Write(" interleave mode; ");
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else
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Console::Write(" ?? mode; ");
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if (num_addr != 0) Console::Write("ASP = %d;", params num_addr);
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if (TTE(tag)) Console::Write("TTE;");
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if (TIE(tag)) Console::Write("TIE;");
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if (STR(tag)) Console::Write(" (DMA started)."); else Console::Write(" (DMA stopped).");
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Console::WriteLn("");
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}
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}
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@ -649,6 +649,7 @@
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<ClInclude Include="..\..\Stats.h" />
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<ClInclude Include="..\..\StringUtils.h" />
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<ClInclude Include="..\..\System.h" />
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<ClInclude Include="..\..\Tags.h" />
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<ClInclude Include="..\..\Threading.h" />
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<ClInclude Include="..\..\tinyxml\tinystr.h" />
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<ClInclude Include="..\..\tinyxml\tinyxml.h" />
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@ -2467,6 +2467,10 @@
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RelativePath="..\..\System.h"
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>
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</File>
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<File
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RelativePath="..\..\Tags.h"
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>
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</File>
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<File
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RelativePath="..\..\Threading.h"
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>
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