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dsp lle: coef is really 0x800 words 

dspspy: fill the whole iram! crazy thing, normally likes len%4=0, however to fill the whole iram you use 8191 instead of 8192... :s

git-svn-id: https://dolphin-emu.googlecode.com/svn/trunk@4011 8ced0084-cf51-0410-be5f-012b33b47a6e
This commit is contained in:
Shawn Hoffman 2009-08-17 00:20:04 +00:00
parent 81ee1d1b10
commit 45feea42c2
4 changed files with 8 additions and 9 deletions
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2
Source/Core/DSPCore/Src/DSPCore.cpp
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@ -54,7 +54,7 @@ static bool LoadRom(const char *fname, int size_in_words, u16 *rom)
fclose(pFile); fclose(pFile);
// Byteswap the rom. // Byteswap the rom.
for (int i = 0; i < DSP_IROM_SIZE; i++) for (int i = 0; i < size_in_words; i++)
rom[i] = Common::swap16(rom[i]); rom[i] = Common::swap16(rom[i]);
return true; return true;

6
Source/Core/DSPCore/Src/DSPCore.h
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@ -40,9 +40,9 @@
#define DSP_DRAM_SIZE 0x1000 #define DSP_DRAM_SIZE 0x1000
#define DSP_DRAM_MASK 0x0fff #define DSP_DRAM_MASK 0x0fff
#define DSP_COEF_BYTE_SIZE 0x2000 #define DSP_COEF_BYTE_SIZE 0x1000
#define DSP_COEF_SIZE 0x1000 #define DSP_COEF_SIZE 0x800
#define DSP_COEF_MASK 0x0fff #define DSP_COEF_MASK 0x7ff
#define DSP_RESET_VECTOR 0x8000 #define DSP_RESET_VECTOR 0x8000

3
Source/DSPSpy/dsp_interface.cpp
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@ -21,7 +21,8 @@ void IDSP::SendTask(void *addr, u16 iram_addr, u16 len, u16 start)
{ {
// addr main ram addr 4byte aligned (1 Gekko word) // addr main ram addr 4byte aligned (1 Gekko word)
// iram_addr dsp addr 4byte aligned (2 DSP words) // iram_addr dsp addr 4byte aligned (2 DSP words)
// len block length in bytes multiple of 4 // len block length in bytes multiple of 4 (wtf? if you want to fill whole iram, you need 8191)
// (8191 % 4 = 3) wtffff
// start dsp iram entry point // start dsp iram entry point
while (CheckMailTo()); while (CheckMailTo());
SendMailTo(0x80F3A001); SendMailTo(0x80F3A001);

6
Source/DSPSpy/main_spy.cpp
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@ -328,10 +328,8 @@ void handle_dsp_mail(void)
// Then send the code. // Then send the code.
DCFlushRange((void *)dsp_code[curUcode], 0x2000); DCFlushRange((void *)dsp_code[curUcode], 0x2000);
// DMA ucode to iram base, entry point is just after exception vectors...0x10 // DMA ucode to iram base, entry point is just after exception vectors...0x10
// (shuffle2) 5256 is the highest I could get the dma block length to on my wii - still needs to be looked into // NOTE: for any ucode made by dsptool, the block length will be 8191
// for the tstaxh test, 5256 only yields up to step 325. There are 532 send_backs in the ucode, and it takes up real_dsp.SendTask((void *)MEM_VIRTUAL_TO_PHYSICAL(dsp_code[curUcode]), 0, sizeof(dsp_code[curUcode])-1, 0x10);
// almost all of the iram.
real_dsp.SendTask((void *)MEM_VIRTUAL_TO_PHYSICAL(dsp_code[curUcode]), 0, 5256, 0x10);
runningUcode = curUcode + 1; runningUcode = curUcode + 1;