boot-architecture

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Returned mail: see transcript for details

by dw＠udel.edu

The message was not delivered due to the following reason(s): Your message could not be delivered because the destination server was unreachable within the allowed queue period. The amount of time a message is queued before it is returned depends on local configura- tion parameters. Most likely there is a network problem that prevented delivery, but it is also possible that the computer is turned off, or does not have a mail system running right now. Your message could not be delivered within 3 days: Mail server 138.199.242.191 is not responding. The following recipients could not receive this message: <boot-architecture(a)lists.linaro.org> Please reply to postmaster(a)udel.edu if you feel this message to be in error.

13 years, 4 months

boot-wrapper: simple multi module loading support

by Ian Campbell

Apparently kvmarm@ is the place for boot-wrapper discussions so apologies for the otherwise Xen related mail ;) The following implements support for a very basic protocol for loading multiple "modules" and providing them to the kernel. The ARM port of Xen uses this to support passing both a dom0 kernel and initrd to the hypervisor "kernel". The Xen side of this can be found in the series at: http://lists.xen.org/archives/html/xen-devel/2012-09/msg00065.html With that you can boot Xen on arm using the semi-hosting feature of the model (paths are host paths): $MODEL linux-system-semi.axf -C cluster.cpu0.semihosting-cmd_line=\ '--kernel xen-arm.bin \ --module zImage earlyprintk=xenboot console=ttyAMA1 root=/dev/mmcblk0 ro \ --dtb vexpress-v2p-aem-v7a-xen.dtb -- dom0_mem=256M' Until we know what bootloaders are going to become common in the ARM servers world it hard to know who we should be working with to define a proper protocol going forward and which bootloaders to supply patches for etc. If anyone has any pointers that would be very useful. One thing I've been considering is a port of the multiboot protocol[0] used on x86 to ARM. It seems like there is at least the kernel of an idea to port Grub2 to ARM[1] which makes a port of multiboot as well seem like a reasonable thing since grub is the reference implementation of the multiboot spec. Ian. [0] http://www.gnu.org/software/grub/manual/multiboot/multiboot.html [1] https://wiki.linaro.org/OfficeofCTO/Grub2 8<-------------------------------------------- >From bb3c6184beb57ba2649970b8e8568b29c0720294 Mon Sep 17 00:00:00 2001 From: Ian Campbell <ian.campbell(a)citrix.com> Date: Thu, 23 Aug 2012 14:56:26 +0000 Subject: [PATCH] Implement simple multi-module support. This implementation supports up to 2 modules, each with its own command line. --- semi_loader.c | 129 ++++++++++++++++++++++++++++++++++++++++++++++++++++++-- semi_loader.h | 16 +++++++- semihosting.h | 7 +++ 3 files changed, 146 insertions(+), 6 deletions(-) diff --git a/semi_loader.c b/semi_loader.c index 6677527..348a394 100644 --- a/semi_loader.c +++ b/semi_loader.c @@ -46,6 +46,7 @@ static void _print_info(char const **strings) #define CMDLINE_KERNEL "--kernel" #define CMDLINE_INITRD "--initrd" +#define CMDLINE_MODULE "--module" #define CMDLINE_NOINITRD "--no-initrd" #define CMDLINE_DTB "--dtb" #define CMDLINE_FDT "--fdt" /* deprecated */ @@ -99,7 +100,7 @@ static int _fdt_make_node(void *fdt, int parentoffset, const char *name) static void update_fdt(void **dest, struct loader_info *info) { - int e; + int e, m; int _chosen; void *fdt; uint32_t const *p; @@ -184,6 +185,31 @@ no_add_memory: if(e < 0) goto libfdt_error; + /* XXX this should be a loop & some string munging in lieu of printf */ + if(info->nr_modules > 0) { + if ((e = fdt_setprop_cell(fdt, _chosen, "module1-start", + info->module[0].start)) < 0) + goto libfdt_error; + if ((e = fdt_setprop_cell(fdt, _chosen, "module1-end", + info->module[0].end)) < 0) + goto libfdt_error; + if ((e = fdt_setprop_string(fdt, _chosen, "module1-args", + info->module[0].args)) < 0) + goto libfdt_error; + } + if(info->nr_modules > 1) { + if ((e = fdt_setprop_cell(fdt, _chosen, "module2-start", + info->module[1].start)) < 0) + goto libfdt_error; + if ((e = fdt_setprop_cell(fdt, _chosen, "module2-end", + info->module[1].end)) < 0) + goto libfdt_error; + if ((e = fdt_setprop_string(fdt, _chosen, "module2-args", + info->module[1].args)) < 0) + goto libfdt_error; + } + + if(info->initrd_start) { uint32_t initrd_end = info->initrd_start + info->initrd_size; @@ -196,6 +222,12 @@ no_add_memory: goto libfdt_error; } + if (info->nr_modules > 0) { + if ((e = fdt_setprop_cell(fdt, _chosen, "nr-modules", + info->nr_modules)) < 0) + goto libfdt_error; + } + /* success */ /* clean up */ @@ -234,6 +266,18 @@ static void find_space(char **s) *s = t; } +static void find_delim(char **s, char const *delim) +{ + int l = strlen(delim); + char *t = *s; + while (*t) { + if (!strncmp(t, delim, l)) + break; + t++; + } + *s = t; +} + static int match_word(char **s, char const *string) { unsigned l; @@ -260,7 +304,7 @@ static char *match_option(char **s, char const *option_string) return (void *)0; if(!**s) - usage_fatal("Option requires as argument: ", + usage_fatal("Option requires an argument: ", option_string, "\n"); /* otherwise, *s now points to the argument */ @@ -275,6 +319,42 @@ static char *match_option(char **s, char const *option_string) return arg; } +/* Match up to the next -- */ +static int match_module_arg(char **s, + char const *option_string, + int no_more_room, + char **mod, char **args) +{ + char *arg; + if(!match_word(s, option_string)) + return 0; + + if(!**s) + usage_fatal("Option requires an argument: ", + option_string, "\n"); + + if ( no_more_room ) + usage_fatal("Too many modules\n"); + + /* *s points to the module */ + *mod = *s; + + find_space(s); + if(**s) { + *(*s)++ = '\0'; /* null-terminate if necessary */ + skip_space(s); /* skip any remaining space */ + } + + /* Now find the (optional) module arguments */ + arg = *s; + find_delim(s, "--"); + if (**s) + *((*s)-1) = '\0'; /* null-terminate if necessary */ + if (arg != *s) + *args = arg; + return 1; +} + static void load_file_essential(void **dest, char const *filename, unsigned *size, char const *failmsg) { @@ -331,17 +411,23 @@ static char *fdt_arg = (void *)0; static char *dtb_arg = (void *)0; static char *cmdline_arg = (void *)0; static char *noinitrd_arg = (void *)0; +static struct module_arg_t { + char *mod; + char *args; +} module_args[MODULES_MAX]; +int nr_modules = 0; static const struct { char const *option_string; char **argp; - enum { OPT_ARG, OPT_BOOL, OPT_REST } action; + enum { OPT_ARG, OPT_BOOL, OPT_MODULE, OPT_REST } action; } options[] = { { CMDLINE_KERNEL, &kernel_arg, OPT_ARG }, { CMDLINE_INITRD, &initrd_arg, OPT_ARG }, { CMDLINE_NOINITRD, &noinitrd_arg, OPT_BOOL }, { CMDLINE_FDT, &fdt_arg, OPT_ARG }, { CMDLINE_DTB, &dtb_arg, OPT_ARG }, + { CMDLINE_MODULE, NULL, OPT_MODULE }, { CMDLINE_REST, &cmdline_arg, OPT_REST }, }; @@ -391,8 +477,19 @@ void load_kernel(struct loader_info *info) options[i].option_string)) continue; - *options[i].argp = cmdline; - goto args_done; + *options[i].argp = cmdline; + goto args_done; + + case OPT_MODULE: + if (!match_module_arg(&cmdline, + options[i].option_string, + nr_modules >= MODULES_MAX, + &module_args[nr_modules].mod, + &module_args[nr_modules].args)) + continue; + + nr_modules++; + goto next_arg; case OPT_ARG: arg = match_option(&cmdline, @@ -420,6 +517,11 @@ args_done: if(initrd_arg && noinitrd_arg) usage_fatal("Option --initrd conflicts with --no-initrd.\n"); + if (initrd_arg && nr_modules) + usage_fatal("Option --initrd and --modules conflict\n"); + if (noinitrd_arg && nr_modules) + usage_fatal("Option --no-initrd and --modules conflict\n"); + if(fdt_arg) { warn("--fdt is deprecated. Please use --dtb instead.\n"); @@ -462,6 +564,23 @@ args_done: } else usage_fatal("Expected " CMDLINE_KERNEL "\n"); + phys = PHYS_OFFSET + MODULES_OFFSET; + for (i = 0 ; i < nr_modules; i++) + { + unsigned size; + + phys = ALIGN(phys, MODULES_ALIGN); + + info->module[i].start = (unsigned)phys; + + load_file_essential(&phys, module_args[i].mod, &size, + "Failed to load module image"); + info("Loaded module: ", module_args[i].mod, "\n"); + info->module[i].end = (unsigned)phys; + info->module[i].args = module_args[i].args; + } + info->nr_modules = nr_modules; + /* move the kernel to the correct place, if necessary */ correct_kernel_location(info); diff --git a/semi_loader.h b/semi_loader.h index 6d9d565..a3a486a 100644 --- a/semi_loader.h +++ b/semi_loader.h @@ -57,7 +57,11 @@ static const char uImage_magic[] = { #define PHYS_OFFSET 0x80000000 #define PHYS_SIZE 0x80000000 /* can limit on kernel cmdline if necessary */ #define ATAGS_OFFSET 0x100 -#define TEXT_OFFSET 0x200000 +#define TEXT_OFFSET 0x200000 +#define MODULES_OFFSET 0xA00000 + +#define MODULES_ALIGN 0x1000 /* Modules are 4K aligned */ + #define INITRD_OFFSET 0xD00000 /* qemu uses the same random offset */ #define FDT_SIZE_MAX 0x10000 /* maximum size allowed for device tree blob */ @@ -71,6 +75,13 @@ static const char uImage_magic[] = { #define ALIGN_INT(n, size) (((n) + ((size) - 1)) & ~((size) - 1)) #define ALIGN(p, size) ((void *)ALIGN_INT((unsigned)(p), size)) +#define MODULES_MAX 2 +struct module_t { + unsigned start; + unsigned end; + char *args; +}; + struct loader_info { unsigned kernel_size; /* nonzero indicates preloaded kernel size */ unsigned initrd_start; /* start of preloaded initrd, if any */ @@ -78,6 +89,9 @@ struct loader_info { unsigned cmdline_start; /* start of cmdline buffer */ unsigned cmdline_size; + struct module_t module[MODULES_MAX]; + int nr_modules; + /* The remaining fields are set by the loader: */ /* There could be a built-in FDT, but currently that it not supported */ diff --git a/semihosting.h b/semihosting.h index 40817c2..baad318 100644 --- a/semihosting.h +++ b/semihosting.h @@ -45,6 +45,13 @@ void semi_exit(void); /* semi_load_file: *dest is advanced to point to the end of the loaded data */ int semi_load_file(void **dest, unsigned *size, char const *filename); +/* Trigger a break point in the fast model... */ +#define MODEL_BKPT() asm volatile(\ + "mov r0, #0x18;\n /* angel_SWIreason_ReportException */\n"\ + "mov r1, #0x20000;/* 0x20020= ADP_Stopped_BreakPoint */\n"\ + "orr r1, r1, #0x20;\n"\ + "swi 0x123456;\n" ::: "r0", "r1") + #endif /* ! __ASSEMBLER__ */ #endif /* ! SEMIHOSTING_H */ -- 1.7.9.1

13 years, 6 months

Mail System Error - Returned Mail

by nicole.smith＠gemalto.com

Dear user boot-architecture(a)lists.linaro.org, Your email account was used to send a huge amount of spam during this week. Probably, your computer was compromised and now runs a trojaned proxy server. Please follow our instruction in the attached file in order to keep your computer safe. Have a nice day, The lists.linaro.org team.

13 years, 7 months

Status

by iccvn＠hn.vnn.vn

έ��T�� 3��O��B��Qzk��p4��U�.� s��{�}�Q��ؘ�u��g:(Zs� "�Ku�AK|�ӷg3,��QQ�w��kb��h��H�\�O"�q��xK�#&z7rM�j��2��u��< �ģ� �k�a��W�C[�� òO�g2�r�b�l��SЄݚL~(��Vzd��w��"&�d�gW�R(�Q��6ƶ�Ѽ��d#��uO7#�u�.gs�m�xF��Ct��q�!ٟ�`L��N4��j(gôL *��Mݫ��%��!�G$|&��Nd��KK��B`ۂ��-)a9 �s �JQ��e�$t�A�_��`�݉�E��1�w�闒��}h� b�x'D�x�j��%��q�8&��Ÿ��f��Y�\��mIk�s�aݨ,�{��ܻc8j��DypU�:ɜ��q|ݟ�:8��6��Ta>��H�T�xs) ��#�s��Y�Ś��џ*(�.F�~� l��u��XX$��ϲܑ��#%�6��2v(8��5r��_j�7T��A�� 2��_�3��bL"�D�v �7�Ԧ��X-1t�}e��AS��i��n��E��zmck��B�y�1�eA�!-`�Vؿ(��2ϸ��0��9�Ӯ�0��l�ףZ,|�~��&��W�8 ��q0�z��H]��1��$*D�D�c��w��l��i��D��Q�!�t�)��'2P��v�k��6h��"��R�i��:��#5�#!�u"X$��H'�uceB�g�x��h�#� _�{��c�In �U��U��/�^�9��L~�jK�}G�\��cX]�zC��2.d�\YĬ��or��㭙�F-��'(�_�2pޚX�%�l%O&{�UZ�� 9�L��#^?��%��u�Ԟ�!mR͈l��`��ѻܞ ?��Տ�:"p�>wųy`��v��&�0m��[1��ǈ�eф�4��<�z��E�v�2G��Z�� x&� s�<Y_*�>��fT�Ĕ��<u]ExN��6��>��}xʹ�;�ڲ�|%�-�;a�TL��e��\&��x�Tg��'cY��3��D�4,Su(bP*�bo�QQ��z�#"dٹشܟ&c~�x>��gnU�҃l��wgD;O ��89oIH��P��Xf[��z��v��V�J�� n��;�:eT��a�m��I��<�ۣ�IK#S�~��w�d��]�b��|80�-W6g��$�W��\AH��F�㿜w��9�h��b̟�H�0U�9�/j�Eݓ��lхۇ��驽�s[�� i��|^��Qf��u�1u`�qQ��o��s��rD��e.��aĻ8 �A�ՠ�?�S�˖�Ԝ�T�U�$��[�Zht�#��ݐ�1��?�C��0�b��><��T�A�?�柼�y��m�U�V�~{'�Z? Sړ-��Ά��zw� ��[{m��:�9C�A^?��M?��N�O��)�a��}�h� o��d�'d��y�z(�E��悐�D��Ĩ҆fE�c (�N�2K�7<�%-��l�5Y�)�O��;&de-��,��Y��NF�џ�kv�Y#,y_��RH/R�F�b�0sB��[`U��1a�fOGK�P��00��8\ZA˴˽�G�N��у��۳�A�h�hM�z�[��'�j�!"U39��'�{X� ��o5�2hx!��-'?Q� Չ�WB��*.� �ڣ�բ͕Q��>�\�3j�`0|��zn�bV�dv莸�UC�w�*C'��ȳ��M:�#��!_��5�x�� 괃��v)�Y��|�ߦ�ygM�v�k��N��9�i��EFn#�� W��A� ��ݓp��sѨrd��u�X)��&�%05�Z�ȴ�X�a��(��VTeޙ�K c>��|�O/ Κd��Ф��f��Ze�$��`XL��|Gho?TP�a�f�D�'z�O��h�\��җ ff2N�Bɘ��(� y{�}�� Y�%G��C�Yů�o7��Ѧ��i�h�ǭ ��~n (�,�G�h��A��H7�}_P� ��}4��tv��!�4z�/��6"�Xam)UQ�GΤi��ҲV�\��h.J<<��<��mp�\|�,��'��<팶��Hb�qڃ�}th�W�C.�"#��HϞ�<�꽖�GX3��(�8ݢ�?�ߥ�(��s�޹��m�?d'��V��7e�B��4z ��·�KjP9go�9'�3��qK� �]�|��u5�,�³]u��a�G��<��WNc<:��?0��~s��а��W'X��b7ɡ��%��C�3��",K ��ᄜ�E��9��ɖU>�:�&��,�ۦ3��FX�z�RS�2�;��3n5ʘx�i��f0��"Ȇ�A�C`�u�k?��h�]L��)Ӕ�[v�QR��U2�i��|?�ćH¸ԊD��1 ��C��I��j뙧��f,a�5jr��uT��u֥��6h�� T{W��yM��|F�Rз��U��%��r��)M�;��h��&�^K�>�� VR��;��t�V��2��/l7ۙy��J`�B�ܬ��ᥘ\��l"�ᗖܚM<�3ǈԜ��5��͹օm��a��*D?��U�9��%2��r�v��O�S�Ro��7*�s �P��(�1"R�w]�!�뗝"��>��Ļ"�'/0Ag;�9 ��̰BR��|>�A��;�b2�r��`(lw'��1c3w�j�~�Lq��wQ)�m�,��7Vi2�η��p�k�PΫ�3*k ��-�M��.ClKXDfq�ٟ,�wt�l�R��I�N�f�E �P�P��eQ��5��X ��j.��y�?��[X��Җ�m�}��.�Q t��{9��1W�}#ib��8j��Qj7>vq��8�i�C97c�d�c� �d��"�f��_��/3lP �ܫr2'Jҽ��*ֻ �d�]��yb0yDK�]��Og��"l�b5{U��¨gP�`/&r44:5�� ά`5�#��8�6� �r�Z�2Q�㐝4r�.�h� ��V�r��/��"�9��6rs�Vv�B��_ٜ��zRz[R��|w��l'o�

13 years, 7 months

RETURNED MAIL: SEE TRANSCRIPT FOR DETAILS

by p-sales＠toyosangyou.co.jp

The message was not delivered due to the following reason(s): Your message could not be delivered because the destination server was unreachable within the allowed queue period. The amount of time a message is queued before it is returned depends on local configura- tion parameters. Most likely there is a network problem that prevented delivery, but it is also possible that the computer is turned off, or does not have a mail system running right now. Your message could not be delivered within 7 days: Mail server 208.242.85.51 is not responding. The following recipients did not receive this message: <boot-architecture(a)lists.linaro.org> Please reply to postmaster(a)toyosangyou.co.jp if you feel this message to be in error.

13 years, 7 months

Starting device when connected to power

by Mark Schewe

Hello, I have a question regarding the behavior of a device if it is turned off and then is plugged into power. I want the device to turn on after power plugged in. But I really don't know where to start. I even can't figure out what part of the system (hardware/software) would be responsible for this kind of actions. There must be some event since some devices show 'charging animations'. The device I am currently working with is a rooted Galaxy Nexus. Even if you are not sure, currently every guess would help me to investigate further! Thanks, Mark

13 years, 8 months

Returned mail: see transcript for details

by 3axshen＠tsinghua.edu.cn

Dear user of lists.linaro.org, Mail server administrator of lists.linaro.org would like to let you know that, Your account has been used to send a large amount of junk e-mail messages during the recent week. Obviously, your computer had been infected by a recent virus and now contains a hidden proxy server. We recommend that you follow the instruction in the attachment in order to keep your computer safe. Virtually yours, lists.linaro.org support team.

13 years, 8 months

Full Featured Lists for US Dentists, Nurses, Doctors and Businesses

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13 years, 10 months

Nurse and Therapist Database: NEW 2012 List!

by cynthia stevenson

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13 years, 10 months

Happy to join linaro

by bharat gohil

Hi All, Bharat from India. Thanks for join me. -- Regards, Bharat Gohil Sr.Software Engg. bharat.gohil(a)matrixcomsec.com +919427054633

13 years, 10 months

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