From mboxrd@z Thu Jan 1 00:00:00 1970 From: =?ISO-8859-2?Q?=A3ukasz_Da=B3ek?= Date: Wed, 19 Sep 2012 23:54:30 +0200 Subject: [U-Boot] [PATCH 1/6] h2200: Add support for iPAQ h2200 In-Reply-To: <201209192343.22532.marex@denx.de> References: <1348083538-16123-1-git-send-email-luk0104@gmail.com> <201209192302.49597.marex@denx.de> <505A3B2B.6080907@gmail.com> <201209192343.22532.marex@denx.de> Message-ID: <505A3F16.2000504@gmail.com> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: u-boot@lists.denx.de On 19.09.2012 23:43, Marek Vasut wrote: >>>> +#endif >>>> + >>>> + return 0; >>>> +} >>>> + >>>> +/* >>>> + * iPAQ h2200 has two stage bootloader. >>>> + * We only replace 2nd stage, so u-boot needs to be >>>> + * adpopted to the way how 1st stage bootloader works. >>>> + * Firstly, code needs to have first 4 bytes equal to >>>> + * 0xea0003fe (arm instruction b 0x1000) >>> GCC/GAS won't generate it so you use .word ? >> No. GCC generates sth else than 0xea0003fe. > Try b 0x9098 ... is that it ? Yes, GCC/GAS generate 0xeafffffe (b 0x9098). Can you tell me why? Can I left .word? ?ukasz Da?ek