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DSP: New non-threaded mode for the LLE plugin, with some idle skipping enabled. Use Dolphin Main config to set it. Some minor optimization and some spelling fixes.

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git-svn-id: https://dolphin-emu.googlecode.com/svn/trunk@2937 8ced0084-cf51-0410-be5f-012b33b47a6e
This commit is contained in:
hrydgard
2009-04-08 20:26:33 +00:00
parent 5dbdc4e6cf
commit 8c3bb3796b
16 changed files with 149 additions and 82 deletions
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16
Source/Plugins/Plugin_DSP_LLE/Src/DSPAnalyzer.cpp
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@ -23,7 +23,7 @@
namespace DSPAnalyzer {
// Holds data about all instructions in RAM.
u8 inst_flags[ISPACE];
u8 code_flags[ISPACE];
// Good candidates for idle skipping is mail wait loops. If we're time slicing
// between the main CPU and the DSP, if the DSP runs into one of these, it might
@ -39,24 +39,24 @@ const u16 idle_skip_sigs[NUM_IDLE_SIGS][MAX_IDLE_SIG_SIZE + 1] =
{ 0x26fc, // LRS $30, @DMBH
0x02c0, 0x8000, // ANDCF $30, #0x8000
0x029d, 0xFFFF, // JLZ 0x027a
0x02df, 0 }, // RET
0, 0 }, // RET
{ 0x27fc, // LRS $31, @DMBH
0x03c0, 0x8000, // ANDCF $31, #0x8000
0x029d, 0xFFFF, // JLZ 0x027a
0x02df, 0 }, // RET
0, 0 }, // RET
{ 0x26fe, // LRS $30, @CMBH
0x02c0, 0x8000, // ANDCF $30, #0x8000
0x029c, 0xFFFF, // JLNZ 0x0280
0x02df, 0 }, // RET
0, 0 }, // RET
{ 0x27fe, // LRS $31, @CMBH
0x03c0, 0x8000, // ANDCF $31, #0x8000
0x029c, 0xFFFF, // JLNZ 0x0280
0x02df, 0 }, // RET
0, 0 }, // RET
};
void Reset()
{
memset(inst_flags, 0, sizeof(inst_flags));
memset(code_flags, 0, sizeof(code_flags));
}
void AnalyzeRange(int start_addr, int end_addr)
@ -76,7 +76,7 @@ void AnalyzeRange(int start_addr, int end_addr)
addr++;
continue;
}
inst_flags[addr] |= CODE_START_OF_INST;
code_flags[addr] |= CODE_START_OF_INST;
addr += opcode->size;
}
@ -98,7 +98,7 @@ void AnalyzeRange(int start_addr, int end_addr)
if (found)
{
NOTICE_LOG(DSPLLE, "Idle skip location found at %02x", addr);
inst_flags[addr] |= CODE_IDLE_SKIP;
code_flags[addr] |= CODE_IDLE_SKIP;
// TODO: actually use this flag somewhere.
}
}