void retro_core_set_memory (RetroCore* self, RetroMemoryType id, guint8* data, int length) { g_return_if_fail (self != NULL); g_return_if_fail (data != NULL); g_return_if_fail (length > 0); retro_core_push_cb_data (self); RetroModule* module = self->module; RetroGetMemoryData get_mem_region = retro_module_get_get_memory_data (module); RetroGetMemorySize get_mem_region_size = retro_module_get_get_memory_size (module); guint8* memory_region = get_mem_region (id); gsize memory_region_size = get_mem_region_size (id); retro_core_pop_cb_data (); g_return_if_fail (memory_region != NULL); g_return_if_fail (memory_region_size == length); memcpy (memory_region, data, length); }
static int omapfb_setup_plane(struct fb_info *fbi, struct omapfb_plane_info *pi) { struct omapfb_info *ofbi = FB2OFB(fbi); struct omapfb2_device *fbdev = ofbi->fbdev; struct omap_overlay *ovl; struct omap_overlay_info old_info; struct omapfb2_mem_region *old_rg, *new_rg; int r = 0; DBG("omapfb_setup_plane\n"); if (ofbi->num_overlays != 1) { r = -EINVAL; goto out; } /* XXX uses only the first overlay */ ovl = ofbi->overlays[0]; old_rg = ofbi->region; new_rg = get_mem_region(ofbi, pi->mem_idx); if (!new_rg) { r = -EINVAL; goto out; } /* Take the locks in a specific order to keep lockdep happy */ if (old_rg->id < new_rg->id) { omapfb_get_mem_region(old_rg); omapfb_get_mem_region(new_rg); } else if (new_rg->id < old_rg->id) { omapfb_get_mem_region(new_rg); omapfb_get_mem_region(old_rg); } else omapfb_get_mem_region(old_rg); if (pi->enabled && !new_rg->size) { /* * This plane's memory was freed, can't enable it * until it's reallocated. */ r = -EINVAL; goto put_mem; } ovl->get_overlay_info(ovl, &old_info); if (old_rg != new_rg) { ofbi->region = new_rg; set_fb_fix(fbi); } if (pi->enabled) { struct omap_overlay_info info; r = omapfb_setup_overlay(fbi, ovl, pi->pos_x, pi->pos_y, pi->out_width, pi->out_height); if (r) goto undo; ovl->get_overlay_info(ovl, &info); if (!info.enabled) { info.enabled = pi->enabled; r = ovl->set_overlay_info(ovl, &info); if (r) goto undo; } } else { struct omap_overlay_info info; ovl->get_overlay_info(ovl, &info); info.enabled = pi->enabled; info.pos_x = pi->pos_x; info.pos_y = pi->pos_y; info.out_width = pi->out_width; info.out_height = pi->out_height; r = ovl->set_overlay_info(ovl, &info); if (r) goto undo; } if (ovl->manager) ovl->manager->apply(ovl->manager); /* Release the locks in a specific order to keep lockdep happy */ if (old_rg->id > new_rg->id) { omapfb_put_mem_region(old_rg); omapfb_put_mem_region(new_rg); } else if (new_rg->id > old_rg->id) { omapfb_put_mem_region(new_rg); omapfb_put_mem_region(old_rg); } else omapfb_put_mem_region(old_rg); return 0; undo: if (old_rg != new_rg) { ofbi->region = old_rg; set_fb_fix(fbi); } ovl->set_overlay_info(ovl, &old_info); put_mem: /* Release the locks in a specific order to keep lockdep happy */ if (old_rg->id > new_rg->id) { omapfb_put_mem_region(old_rg); omapfb_put_mem_region(new_rg); } else if (new_rg->id > old_rg->id) { omapfb_put_mem_region(new_rg); omapfb_put_mem_region(old_rg); } else omapfb_put_mem_region(old_rg); out: dev_err(fbdev->dev, "setup_plane failed\n"); return r; }