Look the following benchmark (qemu-mips board): U-Boot Vanilla 179600 bytes u-boot.bin
Bootstrap code w/o compresion (memcpy) 189224 bytes u-boot-bootstrap.bin --> size 105% Bootstrap code using BZIP2 compression 114388 bytes u-boot-bootstrap.bin -->size 64% Bootstrap code using GZIP compression 114204 bytes u-boot-bootstrap.bin -->size 64% Bootstrap code using LZMA compression 89456 bytes u-boot-bootstrap.bin -->size 50% <-- BEST Bootstrap code using LZO compression 104388 bytes u-boot-bootstrap.bin -->size 58% ciao ciao luigi martedì 30 novembre 2010 11:30 luigi.mantell...@idf-hit.com ha scritto: > From: Luigi 'Comio' Mantellini <luigi.mantell...@idf-hit.com> > > Hi All, > > The following patches introduce the bootstrap support that enable to have a > compressed U-Boot image. The bootstrap code supports the uncompressed as > well as compressed payloads, using LZMA, GZIP, BZIP2 and LZO. > > Actually I developed just the mips version (using qemu-mips board)... > > Please see the Patch #1 for the required defines to enable the required > features. > > Of course, any suggestion is welcome. > > ciao > > luigi > > Luigi 'Comio' Mantellini (2): > Add support for bootstrap stage that allows to have a compressed > U-Boot image. The final image will named "u-boot-bootstrap". > Add support for bootstrap stage to QEMU-MIPS board. > > .gitignore | 24 ++- > Makefile | 172 ++++++++++++- > arch/mips/config.mk | 2 +- > arch/mips/cpu/Makefile | 28 ++- > arch/mips/cpu/cpu.c | 12 - > arch/mips/cpu/reset.c | 39 +++ > arch/mips/cpu/reset_bootstrap.c | 39 +++ > arch/mips/cpu/start_bootstrap.S | 452 > +++++++++++++++++++++++++++++++++ arch/mips/lib/Makefile | > 15 +- > arch/mips/lib/board_bootstrap.c | 261 +++++++++++++++++++ > board/qemu-mips/Makefile | 15 +- > board/qemu-mips/config.mk | 7 +- > board/qemu-mips/qemu-mips_bootstrap.c | 48 ++++ > board/qemu-mips/u-boot-bootstrap.lds | 73 ++++++ > common/Makefile | 15 +- > common/console_bootstrap.c | 85 ++++++ > config.mk | 19 ++- > include/common.h | 21 ++ > include/configs/qemu-mips.h | 14 +- > lib/Makefile | 28 ++- > lib/bootstrap.c | 89 +++++++ > lib/lzma/Makefile | 4 +- > lib/lzo/Makefile | 4 +- > 23 files changed, 1434 insertions(+), 32 deletions(-) > create mode 100644 arch/mips/cpu/reset.c > create mode 100644 arch/mips/cpu/reset_bootstrap.c > create mode 100644 arch/mips/cpu/start_bootstrap.S > create mode 100644 arch/mips/lib/board_bootstrap.c > create mode 100644 board/qemu-mips/qemu-mips_bootstrap.c > create mode 100644 board/qemu-mips/u-boot-bootstrap.lds > create mode 100644 common/console_bootstrap.c > create mode 100644 lib/bootstrap.c -- Luigi 'Comio' Mantellini R&D - Software Industrie Dial Face S.p.A. Via Canzo, 4 20068 Peschiera Borromeo (MI) Italy Tel.: +39 02 5167 2813 Fax: +39 02 5167 2459 E-mail: luigi.mantell...@idf-hit.com Website: http://www.idf-hit.com Questo messaggio e i suoi allegati sono indirizzati esclusivamente alle persone indicate. La diffusione, copia o qualsiasi altra azione derivante dalla conoscenza di queste informazioni sono rigorosamente vietate. Qualora abbiate ricevuto questo documento per errore siete cortesemente pregati di darne immediata comunicazione al mittente e di provvedere alla sua distruzione, Grazie. Rispetta l'ambiente. Non stampare questa mail se non è realmente necessario. This e-mail and any attachments is confidential and may contain privileged information intended for the addressee(s) only. Dissemination, copying, printing or use by anybody else is unauthorized. If you are not the intended recipient, please delete this message and any attachments and advise the sender by return e-mail, Thanks. Help the environment. Please do not print this email unless it is absolutely necessary.
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