Hi, On Thu, Aug 22, 2013 at 8:55 AM, FengHua <feng...@phytium.com.cn> wrote: > > On Thu, Aug 22, 2013 at 09:31:35AM +0800, FengHua wrote: >> >> >> >> > -----????????????----- >> > ?????????: "Scott Wood" <scottw...@freescale.com> >> > ????????????: 2013???8???22??? ????????? >> > ?????????: "Simon Glass" <s...@chromium.org> >> > ??????: FengHua <feng...@phytium.com.cn>, "tr...@ti.com" <tr...@ti.com>, >> > "U-Boot >> > Mailing List" <u-boot@lists.denx.de> >> > ??????: Re: [U-Boot] [PATCH v4 3/4] generic board patch of manual reloc >> > and zero gd_t >> > >> > On Tue, 2013-08-20 at 23:27 -0600, Simon Glass wrote: >> > > Hi David, >> > > >> > > On Tue, Aug 20, 2013 at 4:48 AM, <feng...@phytium.com.cn> wrote: >> > > > diff --git a/common/board_r.c b/common/board_r.c >> > > > index 86ca1cb..1b4bdd2 100644 >> > > > --- a/common/board_r.c >> > > > +++ b/common/board_r.c >> > > > @@ -157,6 +157,13 @@ static int initr_reloc_global_data(void) >> > > > */ >> > > > gd->env_addr += gd->relocaddr - CONFIG_SYS_MONITOR_BASE; >> > > > #endif >> > > > +#ifdef CONFIG_NEEDS_MANUAL_RELOC >> > > > + /* >> > > > + * We have to relocate the command table manually >> > > > + */ >> > > > + fixup_cmdtable(ll_entry_start(cmd_tbl_t, cmd), >> > > > + ll_entry_count(cmd_tbl_t, cmd)); >> > > > +#endif /* CONFIG_NEEDS_MANUAL_RELOC */ >> > > >> > > Should this be done here or in main_loop()? How is this currently done >> > > when not using generic board? >> > >> > It shouldn't be done at all -- let's not revive manual relocations. >> > I'll try to get proper relocation working. >> >> Even the rela relocation of aarch64 works we should keep this here. >> The generic board could be used by any other platform that need manual >> relocation. > >>No, the point is that manual relocation is legacy and new platforms >> should be using proper relocation. > > > > Of course, manual relocation is not good. But I noticed that there are > serveral architecture use manual relocation now, maybe we should keep this > for compatibility. Another way, I am not sure whether we can get rid of > manual relocation on all architecture. I used manual relocation on aarch64 > because I found the initial addresses of data in rela mode are all zero > whatever the text base is, and I don't know how to solve this problem.
Possible there is a new relocation type that you need to support? Regards, Simon _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de http://lists.denx.de/mailman/listinfo/u-boot
