diff options
Diffstat (limited to 'hw/gus.c')
| -rw-r--r-- | hw/gus.c | 38 |
1 files changed, 36 insertions, 2 deletions
@@ -58,7 +58,7 @@ typedef struct GUSState { QEMUSoundCard card; int freq; int pos, left, shift, irqs; - uint16_t *mixbuf; + GUSsample *mixbuf; uint8_t himem[1024 * 1024 + 32 + 4096]; int samples; SWVoiceOut *voice; @@ -198,7 +198,7 @@ void GUS_dmarequest (GUSEmuState *der) int GUS_read_DMA (void *opaque, int nchan, int dma_pos, int dma_len) { GUSState *s = opaque; - int8_t tmpbuf[4096]; + char tmpbuf[4096]; int pos = dma_pos, mode, left = dma_len - dma_pos; ldebug ("read DMA %#x %d\n", dma_pos, dma_len); @@ -220,6 +220,38 @@ int GUS_read_DMA (void *opaque, int nchan, int dma_pos, int dma_len) return dma_len; } +static void GUS_save (QEMUFile *f, void *opaque) +{ + int32_t val; + GUSState *s = opaque; + + val = s->pos; qemu_put_be32s (f, &val); + val = s->left; qemu_put_be32s (f, &val); + val = s->shift; qemu_put_be32s (f, &val); + val = s->irqs; qemu_put_be32s (f, &val); + val = s->samples; qemu_put_be32s (f, &val); + qemu_put_be64s (f, &s->last_ticks); + qemu_put_buffer (f, s->himem, sizeof (s->himem)); +} + +static int GUS_load (QEMUFile *f, void *opaque, int version_id) +{ + int32_t val; + GUSState *s = opaque; + + if (version_id != 2) + return -EINVAL; + + qemu_get_be32s (f, &val); s->pos = val; + qemu_get_be32s (f, &val); s->left = val; + qemu_get_be32s (f, &val); s->shift = val; + qemu_get_be32s (f, &val); s->irqs = val; + qemu_get_be32s (f, &val); s->samples = val; + qemu_get_be64s (f, &s->last_ticks); + qemu_get_buffer (f, s->himem, sizeof (s->himem)); + return 0; +} + int GUS_init (AudioState *audio, qemu_irq *pic) { GUSState *s; @@ -296,5 +328,7 @@ int GUS_init (AudioState *audio, qemu_irq *pic) s->pic = pic; AUD_set_active_out (s->voice, 1); + + register_savevm ("gus", 0, 2, GUS_save, GUS_load, s); return 0; } |