Mercurial > sdl-ios-xcode
changeset 2052:eb5e61b72da3
Also save/restore fpu register in vbl interrupt
| author | Patrice Mandin <patmandin@gmail.com> |
|---|---|
| date | Sat, 21 Oct 2006 18:56:35 +0000 |
| parents | c03f1446e897 |
| children | 716cf90f24a0 |
| files | src/timer/mint/SDL_systimer.c src/timer/mint/SDL_vbltimer.S |
| diffstat | 2 files changed, 29 insertions(+), 0 deletions(-) [+] |
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--- a/src/timer/mint/SDL_systimer.c Fri Oct 20 00:15:18 2006 +0000 +++ b/src/timer/mint/SDL_systimer.c Sat Oct 21 18:56:35 2006 +0000 @@ -48,6 +48,9 @@ #include "SDL_vbltimer_s.h" +/* from audio/mint */ +void SDL_MintAudio_CheckFpu(void); + /* The first ticks value of the application */ static Uint32 start; static SDL_bool supervisor; @@ -124,6 +127,8 @@ supervisor = SDL_FALSE; + SDL_MintAudio_CheckFpu(); + /* Install RunTimer in vbl vector */ oldpile = (void *) Super(0); timer_installed = !SDL_AtariVblInstall(RunTimer);
--- a/src/timer/mint/SDL_vbltimer.S Fri Oct 20 00:15:18 2006 +0000 +++ b/src/timer/mint/SDL_vbltimer.S Sat Oct 21 18:56:35 2006 +0000 @@ -33,6 +33,8 @@ .globl _SDL_AtariVblInstall .globl _SDL_AtariVblUninstall + .globl _SDL_MintAudio_hasfpu + /*--- Vector installer ---*/ _SDL_AtariVblInstall: @@ -113,8 +115,30 @@ notw vbl_mutex moveml d0-d7/a0-a6,sp@- + + /* Save FPU if needed */ + tstw _SDL_MintAudio_hasfpu + beqs SDL_AtariVbl_nofpu1 + .chip 68060 + fsave sp@- + fmoveml fpcr/fpsr/fpiar,sp@- + fmovemx fp0-fp7,sp@- + .chip 68000 +SDL_AtariVbl_nofpu1: + movel my_vector,a0 jsr a0@ + + /* Restore FPU if needed */ + tstw _SDL_MintAudio_hasfpu + beqs SDL_AtariVbl_Xbios_nofpu2 + .chip 68060 + fmovemx sp@+,fp0-fp7 + fmoveml sp@+,fpcr/fpsr/fpiar + frestore sp@+ + .chip 68000 +SDL_AtariVbl_Xbios_nofpu2: + moveml sp@+,d0-d7/a0-a6 clrw vbl_mutex