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> compile NEMU

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221220000 张三
Linux zzy 5.15.146.1-microsoft-standard-WSL2 #1 SMP Thu Jan 11 04:09:03 UTC 2024 x86_64 x86_64 x86_64 GNU/Linux
 20:49:41 up 3 days, 15:55,  1 user,  load average: 0.79, 0.71, 0.56
This commit is contained in:
tracer-ics2023
2024-09-20 20:49:42 +08:00
committed by zzy
parent f85f6eccd8
commit 1462c330e8
4 changed files with 85 additions and 14 deletions
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26
abstract-machine/am/src/platform/nemu/ioe/audio.c
View File

@ -8,19 +8,41 @@
#define AUDIO_INIT_ADDR (AUDIO_ADDR + 0x10)
#define AUDIO_COUNT_ADDR (AUDIO_ADDR + 0x14)
static size_t audio_write = 0;
static size_t audio_sbuf_size;
void __am_audio_init() {
}
void __am_audio_config(AM_AUDIO_CONFIG_T *cfg) {
cfg->present = false;
cfg->present = true;
cfg->bufsize = inl(AUDIO_SBUF_SIZE_ADDR);
audio_sbuf_size = cfg->bufsize;
}
void __am_audio_ctrl(AM_AUDIO_CTRL_T *ctrl) {
if (inl(AUDIO_INIT_ADDR) == 1) {
panic("audio initialized");
}
outl(AUDIO_CHANNELS_ADDR, ctrl->channels);
outl(AUDIO_SAMPLES_ADDR, ctrl->samples);
outl(AUDIO_FREQ_ADDR, ctrl->freq);
outl(AUDIO_INIT_ADDR, 1);
}
void __am_audio_status(AM_AUDIO_STATUS_T *stat) {
stat->count = 0;
stat->count = inl(AUDIO_COUNT_ADDR);
}
void __am_audio_play(AM_AUDIO_PLAY_T *ctl) {
for (int i = 0; i < ctl->buf.end - ctl->buf.start; i++) {
if (inl(AUDIO_COUNT_ADDR) == audio_sbuf_size) {
i--;
continue;
} else {
outl(AUDIO_COUNT_ADDR, inl(AUDIO_COUNT_ADDR) + 1);
}
outb(AUDIO_SBUF_ADDR + audio_write, ((uint8_t*)ctl->buf.start)[i]);
audio_write = (audio_write + 1) % audio_sbuf_size;
}
}

1
abstract-machine/am/src/platform/nemu/ioe/gpu.c
View File

@ -38,6 +38,7 @@ void __am_gpu_fbdraw(AM_GPU_FBDRAW_T *ctl) {
}
}
if (ctl->sync) {
while (inl(SYNC_ADDR) != 0) ;
outl(SYNC_ADDR, 1);
}
}