Hi, On 19/12/17 14:20, Tom Rini wrote: > On Tue, Dec 19, 2017 at 03:09:52PM +0100, Maxime Ripard wrote: >> On Tue, Dec 19, 2017 at 08:30:31AM -0500, Tom Rini wrote: >>> On Tue, Dec 19, 2017 at 02:26:40PM +0100, Maxime Ripard wrote: >>>> 1;5002;0c >>>> On Tue, Dec 19, 2017 at 08:15:31AM -0500, Tom Rini wrote: >>>>> On Tue, Dec 19, 2017 at 02:12:02PM +0100, Maxime Ripard wrote: >>>>>> On Tue, Dec 05, 2017 at 10:28:20AM +0000, Andre Przywara wrote: >>>>>>> So even though the actual u-boot.bin for 64-bit boards is still somewhat >>>>>>> below the limit (~480KB), adding the ATF image (~32KB) pushes it over >>>>>>> the edge. So since v2017.11 u-boot.itb is already too big for the >>>>>>> traditional MMC env location. >>>>>> >>>>>> So I've had a quick look about what could go possibly go away in our >>>>>> current armv8 config (using the pine64+ defconfig). Let me know if >>>>>> some are actually vitals: >>>>>> >>>>>> - FIT_ENABLE_SHA256_SUPPORT >>>>>> - CONSOLE_MUX >>>>>> - CMD_CRC32 >>>>>> - CMD_LZMADEC >>>>>> - CMD_UNZIP >>>>>> - CMD_LOADB >>>>>> - CMD_LOADS >>>>>> - CMD_MISC (actually implementing the command sleep) >>>>>> - ISO_PARTITION (yes. For CDROMs.) >>>>>> - VIDEO_BPP8, VIDEO_BPP16 >>>>>> - VIDEO_ANSI >>>>>> - SHA256 >>>>>> - LZMA >>>>>> >>>>>> Removing those options make the u-boot.itb binary size going from >>>>>> 516kB to 478kB, making it functional again *and* allowing us to enable >>>>>> the DT overlays that seem way more important than any feature >>>>>> mentionned above (and bumps the size to 483kB). >>>>> >>>>> You want to keep sha256 support in FIT images, we only have dropping >>>>> that allowed for some very odd use-cases. And while I don't have a >>>>> strong opinion about unzip, lzma is one of the valid/likelu compressions >>>>> for an Image (and aside, I, or someone, needs to look into having >>>>> 'booti' recognize various compression algorithms and automatically >>>>> decompress them) so I don't think we should get rid of that. >>>> >>>> So, adding back CMD_LZMADEC and FIT_ENABLE_SHA256_SUPPORT, we're at >>>> 499kB. Still tight, but it fits. >>> >>> Looking over myself, perhaps drop CMD_BOOTD and move LOGLEVEL to 3? >> >> And we're at 498kB now! :) >> >> Is CMD_ELF useful as well? > > That's a good question. In 32bit land, that's how you're going to > launch FreeRTOS and proprietary apps and so forth. I don't know if for > aarch64 people will still be doing ELF applications or UEFI applications > for all of this.
Eventually we will be, but for now (and the *defconfig*) I think it's fine to drop it. If we stick to Maxime's plan, we can get it back in 6 months or so. Cheers, Andre. > _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de https://lists.denx.de/listinfo/u-boot
