diff options
author | Steve Kondik <shade@chemlab.org> | 2012-11-18 15:47:18 -0800 |
---|---|---|
committer | Steve Kondik <shade@chemlab.org> | 2012-11-18 15:47:18 -0800 |
commit | a546c7006355a7bd1df4267ee53d0bfa2c017c8c (patch) | |
tree | 01be0bf6c0d6968e1468ec9661fd52110f9b05a7 /distrib/sdl-1.2.15/src/timer/nds/SDL_systimer.c | |
parent | baf3d7830396202df5cc47bd7bcee109c319cdb3 (diff) | |
parent | 0f809250987b64f491bd3b4b73c0f0d33036a786 (diff) | |
download | external_qemu-a546c7006355a7bd1df4267ee53d0bfa2c017c8c.zip external_qemu-a546c7006355a7bd1df4267ee53d0bfa2c017c8c.tar.gz external_qemu-a546c7006355a7bd1df4267ee53d0bfa2c017c8c.tar.bz2 |
Merge branch 'jb-mr1-release' of https://android.googlesource.com/platform/external/qemu into mr1-staging
Change-Id: I8a4a71ac65b08e6e17f26c942f67a15b85211115
Diffstat (limited to 'distrib/sdl-1.2.15/src/timer/nds/SDL_systimer.c')
-rw-r--r-- | distrib/sdl-1.2.15/src/timer/nds/SDL_systimer.c | 73 |
1 files changed, 73 insertions, 0 deletions
diff --git a/distrib/sdl-1.2.15/src/timer/nds/SDL_systimer.c b/distrib/sdl-1.2.15/src/timer/nds/SDL_systimer.c new file mode 100644 index 0000000..bf54f42 --- /dev/null +++ b/distrib/sdl-1.2.15/src/timer/nds/SDL_systimer.c @@ -0,0 +1,73 @@ +/* + SDL - Simple DirectMedia Layer + Copyright (C) 1997-2012 Sam Lantinga + + This library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + This library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with this library; if not, write to the Free Software + Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + + Sam Lantinga + slouken@libsdl.org +*/ +#include "SDL_config.h" + +#include "SDL_thread.h" +#include "SDL_timer.h" +#include "SDL_error.h" +#include "../SDL_timer_c.h" + +#include <nds.h> + +#define timers2ms(tlow,thigh)(tlow | (thigh<<16)) >> 5 + + +void SDL_StartTicks(void) +{ + TIMER0_DATA=0; + TIMER1_DATA=0; + TIMER0_CR=TIMER_ENABLE|TIMER_DIV_1024; + TIMER1_CR=TIMER_ENABLE|TIMER_CASCADE; +} + +Uint32 SDL_GetTicks(void) +{ + return timers2ms(TIMER0_DATA, TIMER1_DATA); +} + +void SDL_Delay(Uint32 ms) +{ + Uint32 now; + now=timers2ms(TIMER0_DATA, TIMER1_DATA); + while((Uint32)timers2ms(TIMER0_DATA, TIMER1_DATA)<now+ms); + +} + +/* This is only called if the event thread is not running */ +int SDL_SYS_TimerInit(void) +{ + return 0; +} + +void SDL_SYS_TimerQuit(void) +{ +} + +int SDL_SYS_StartTimer(void) +{ + SDL_SetError("Timers not implemented on NDS"); + return -1; +} + +void SDL_SYS_StopTimer(void) +{ +} |