Mercurial > sdl-ios-xcode
changeset 3865:e958a003b69b SDL-1.2
Add function to check FPU presence
| author | Patrice Mandin <patmandin@gmail.com> |
|---|---|
| date | Sat, 16 Sep 2006 10:38:09 +0000 |
| parents | ea2a327b92d7 |
| children | afbcf97a5dd9 |
| files | src/audio/mint/SDL_mintaudio.c src/audio/mint/SDL_mintaudio.h src/audio/mint/SDL_mintaudio_dma8.c src/audio/mint/SDL_mintaudio_gsxb.c src/audio/mint/SDL_mintaudio_mcsn.c src/audio/mint/SDL_mintaudio_stfa.c src/audio/mint/SDL_mintaudio_xbios.c |
| diffstat | 7 files changed, 34 insertions(+), 0 deletions(-) [+] |
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--- a/src/audio/mint/SDL_mintaudio.c Sat Sep 16 09:15:11 2006 +0000 +++ b/src/audio/mint/SDL_mintaudio.c Sat Sep 16 10:38:09 2006 +0000 @@ -32,6 +32,7 @@ #include <mint/osbind.h> #include <mint/falcon.h> #include <mint/mintbind.h> +#include <mint/cookie.h> #include "SDL_audio.h" #include "SDL_mintaudio.h" @@ -46,6 +47,7 @@ volatile unsigned short SDL_MintAudio_mutex; volatile unsigned long SDL_MintAudio_clocktics; cookie_stfa_t *SDL_MintAudio_stfa; +unsigned short SDL_MintAudio_hasfpu; /* MiNT thread variables */ SDL_bool SDL_MintAudio_mint_present; @@ -139,6 +141,26 @@ return MINTAUDIO_freqcount-1; } +/* Check if FPU is present */ +void SDL_MintAudio_CheckFpu(void) +{ + unsigned long cookie_fpu; + + SDL_MintAudio_hasfpu = 0; + if (Getcookie(C__FPU, &cookie_fpu) != C_FOUND) { + return; + } + switch ((cookie_fpu>>16)&0xfffe) { + case 2: + case 4: + case 6: + case 8: + case 16: + SDL_MintAudio_hasfpu = 1; + break; + } +} + /* The thread function, used under MiNT with xbios */ int SDL_MintAudio_Thread(long param) {
--- a/src/audio/mint/SDL_mintaudio.h Sat Sep 16 09:15:11 2006 +0000 +++ b/src/audio/mint/SDL_mintaudio.h Sat Sep 16 10:38:09 2006 +0000 @@ -123,6 +123,7 @@ extern volatile unsigned short SDL_MintAudio_mutex; extern cookie_stfa_t *SDL_MintAudio_stfa; extern volatile unsigned long SDL_MintAudio_clocktics; +extern unsigned short SDL_MintAudio_hasfpu; /* To preserve fpu registers if needed */ /* MiNT thread variables */ extern SDL_bool SDL_MintAudio_mint_present; @@ -135,6 +136,7 @@ void SDL_MintAudio_AddFrequency(_THIS, Uint32 frequency, Uint32 clock, Uint32 prediv, int gpio_bits); int SDL_MintAudio_SearchFrequency(_THIS, int desired_freq); +void SDL_MintAudio_CheckFpu(void); /* MiNT thread functions */ int SDL_MintAudio_Thread(long param);
--- a/src/audio/mint/SDL_mintaudio_dma8.c Sat Sep 16 09:15:11 2006 +0000 +++ b/src/audio/mint/SDL_mintaudio_dma8.c Sat Sep 16 10:38:09 2006 +0000 @@ -352,6 +352,8 @@ DEBUG_PRINT((DEBUG_NAME "buffer 0 at 0x%08x\n", SDL_MintAudio_audiobuf[0])); DEBUG_PRINT((DEBUG_NAME "buffer 1 at 0x%08x\n", SDL_MintAudio_audiobuf[1])); + SDL_MintAudio_CheckFpu(); + /* Setup audio hardware */ Mint_InitAudio(this, spec);
--- a/src/audio/mint/SDL_mintaudio_gsxb.c Sat Sep 16 09:15:11 2006 +0000 +++ b/src/audio/mint/SDL_mintaudio_gsxb.c Sat Sep 16 10:38:09 2006 +0000 @@ -406,6 +406,8 @@ DEBUG_PRINT((DEBUG_NAME "buffer 0 at 0x%08x\n", SDL_MintAudio_audiobuf[0])); DEBUG_PRINT((DEBUG_NAME "buffer 1 at 0x%08x\n", SDL_MintAudio_audiobuf[1])); + SDL_MintAudio_CheckFpu(); + /* Setup audio hardware */ Mint_InitAudio(this, spec);
--- a/src/audio/mint/SDL_mintaudio_mcsn.c Sat Sep 16 09:15:11 2006 +0000 +++ b/src/audio/mint/SDL_mintaudio_mcsn.c Sat Sep 16 10:38:09 2006 +0000 @@ -395,6 +395,8 @@ DEBUG_PRINT((DEBUG_NAME "buffer 0 at 0x%08x\n", SDL_MintAudio_audiobuf[0])); DEBUG_PRINT((DEBUG_NAME "buffer 1 at 0x%08x\n", SDL_MintAudio_audiobuf[1])); + SDL_MintAudio_CheckFpu(); + /* Setup audio hardware */ Mint_InitAudio(this, spec);
--- a/src/audio/mint/SDL_mintaudio_stfa.c Sat Sep 16 09:15:11 2006 +0000 +++ b/src/audio/mint/SDL_mintaudio_stfa.c Sat Sep 16 10:38:09 2006 +0000 @@ -314,6 +314,8 @@ DEBUG_PRINT((DEBUG_NAME "buffer 0 at 0x%08x\n", SDL_MintAudio_audiobuf[0])); DEBUG_PRINT((DEBUG_NAME "buffer 1 at 0x%08x\n", SDL_MintAudio_audiobuf[1])); + SDL_MintAudio_CheckFpu(); + /* Setup audio hardware */ Mint_InitAudio(this, spec);
--- a/src/audio/mint/SDL_mintaudio_xbios.c Sat Sep 16 09:15:11 2006 +0000 +++ b/src/audio/mint/SDL_mintaudio_xbios.c Sat Sep 16 10:38:09 2006 +0000 @@ -486,6 +486,8 @@ DEBUG_PRINT((DEBUG_NAME "buffer 0 at 0x%08x\n", SDL_MintAudio_audiobuf[0])); DEBUG_PRINT((DEBUG_NAME "buffer 1 at 0x%08x\n", SDL_MintAudio_audiobuf[1])); + SDL_MintAudio_CheckFpu(); + /* Setup audio hardware */ Mint_InitAudio(this, spec);