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DSP LLE: Remove byteswaps and other bloat from the hot path (do them at load/dma time). Minor speedup, perhaps.

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git-svn-id: https://dolphin-emu.googlecode.com/svn/trunk@2939 8ced0084-cf51-0410-be5f-012b33b47a6e
This commit is contained in:
hrydgard
2009-04-08 21:46:54 +00:00
parent e5edb4c4ad
commit 8c861ad58d
13 changed files with 65 additions and 77 deletions
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11
Source/Plugins/Plugin_DSP_LLE/Src/gdsp_interface.cpp
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@ -90,7 +90,7 @@ void gdsp_mbox_write_l(u8 mbx, u16 val)
if (mbx == GDSP_MBOX_DSP)
{
DEBUG_LOG(DSPLLE, " - DSP writes mail to mbx %i: 0x%08x (pc=0x%04x)", mbx, gdsp_mbox_peek(GDSP_MBOX_DSP), g_dsp.err_pc);
DEBUG_LOG(DSPLLE, " - DSP writes mail to mbx %i: 0x%08x (pc=0x%04x)", mbx, gdsp_mbox_peek(GDSP_MBOX_DSP), g_dsp.pc);
}
}
@ -110,7 +110,7 @@ u16 gdsp_mbox_read_l(u8 mbx)
val = gdsp_mbox[mbx][1];
gdsp_mbox[mbx][0] &= ~0x8000;
DEBUG_LOG(DSPLLE, "- DSP reads mail from mbx %i: %08x (pc=0x%04x)", mbx, gdsp_mbox_peek(mbx), g_dsp.err_pc);
DEBUG_LOG(DSPLLE, "- DSP reads mail from mbx %i: %08x (pc=0x%04x)", mbx, gdsp_mbox_peek(mbx), g_dsp.pc);
if (g_dspInitialize.bOnThread)
g_CriticalSection.Leave();
@ -127,7 +127,6 @@ void gdsp_ifx_write(u16 addr, u16 val)
case 0xfb: // DIRQ
if (val & 0x1)
g_dsp.irq_request();
break;
case 0xfc: // DMBH
@ -211,7 +210,7 @@ void gdsp_idma_in(u16 dsp_addr, u32 addr, u32 size)
for (u32 i = 0; i < size; i += 2)
{
// TODO : this may be different on Wii.
*(u16*)&dst[dsp_addr + i] = *(u16*)&g_dsp.cpu_ram[(addr + i) & 0x0fffffff];
*(u16*)&dst[dsp_addr + i] = Common::swap16(*(u16*)&g_dsp.cpu_ram[(addr + i) & 0x0fffffff]);
}
WriteProtectMemory(g_dsp.iram, DSP_IRAM_BYTE_SIZE, false);
@ -242,7 +241,7 @@ void gdsp_ddma_in(u16 dsp_addr, u32 addr, u32 size)
for (u32 i = 0; i < size; i += 2)
{
*(u16*)&dst[dsp_addr + i] = *(u16*)&g_dsp.cpu_ram[(addr + i) & 0x7FFFFFFF];
*(u16*)&dst[dsp_addr + i] = Common::swap16(*(u16*)&g_dsp.cpu_ram[(addr + i) & 0x7FFFFFFF]);
}
INFO_LOG(DSPLLE, "*** ddma_in RAM (0x%08x) -> DRAM_DSP (0x%04x) : size (0x%08x)\n", addr, dsp_addr / 2, size);
@ -261,7 +260,7 @@ void gdsp_ddma_out(u16 dsp_addr, u32 addr, u32 size)
for (u32 i = 0; i < size; i += 2)
{
*(u16*)&g_dsp.cpu_ram[(addr + i) & 0x7FFFFFFF] = *(u16*)&src[dsp_addr + i];
*(u16*)&g_dsp.cpu_ram[(addr + i) & 0x7FFFFFFF] = Common::swap16(*(u16*)&src[dsp_addr + i]);
}
INFO_LOG(DSPLLE, "*** ddma_out DRAM_DSP (0x%04x) -> RAM (0x%08x) : size (0x%08x)\n", dsp_addr / 2, addr, size);