/* Code running on SPU */
int main(unsigned long long spe_id __attribute__ ((unused)), unsigned long long argp __attribute__ ((unused)))
{
deprintf("[SPU] fb_writer_spu is up... (on SPE #%llu)\n", spe_id);
uint32_t ea_mfc, mbox;
// send ready message
spu_write_out_mbox(SPU_READY);
while (1) {
/* Check mailbox */
mbox = spu_read_in_mbox();
deprintf("[SPU] Message is %u\n", mbox);
switch (mbox) {
case SPU_EXIT:
deprintf("[SPU] fb_writer goes down...\n");
return 0;
case SPU_START:
break;
default:
deprintf("[SPU] Cannot handle message\n");
continue;
}
/* Tag Manager setup */
unsigned int tags;
tags = mfc_multi_tag_reserve(5);
if (tags == MFC_TAG_INVALID) {
deprintf("[SPU] Failed to reserve mfc tags on fb_writer\n");
return 0;
}
/* Framebuffer parms */
ea_mfc = spu_read_in_mbox();
deprintf("[SPU] Message on fb_writer is %u\n", ea_mfc);
spu_mfcdma32(&parms, (unsigned int)ea_mfc,
sizeof(struct fb_writer_parms_t), tags,
MFC_GET_CMD);
deprintf("[SPU] argp = %u\n", (unsigned int)argp);
DMA_WAIT_TAG(tags);
/* Copy parms->data to framebuffer */
deprintf("[SPU] Copying to framebuffer started\n");
cpy_to_fb(tags);
deprintf("[SPU] Copying to framebuffer done!\n");
mfc_multi_tag_release(tags, 5);
deprintf("[SPU] fb_writer_spu... done!\n");
/* Send FIN msg */
spu_write_out_mbox(SPU_FIN);
}
return 0;
}
void
_gc_log_init(gc_log_t info)
{
spu_write_decrementer(~0);
log_base_ea = info.base;
log_idx_mask = info.nentries - 1;
log_idx = 0;
log_seqno = 0;
log_tags = mfc_multi_tag_reserve(2);
tmp_buffer_busy = 0;
tmp_buffer_idx = 0;
gc_log_write0(GCL_SS_SYS, 0);
}
