diff options
-rw-r--r-- | packages/kexecboot/files/kexecboot-rewrite.patch | 344 | ||||
-rw-r--r-- | packages/kexecboot/kexecboot_0.3.bb | 21 |
2 files changed, 0 insertions, 365 deletions
diff --git a/packages/kexecboot/files/kexecboot-rewrite.patch b/packages/kexecboot/files/kexecboot-rewrite.patch deleted file mode 100644 index 4f252061ab..0000000000 --- a/packages/kexecboot/files/kexecboot-rewrite.patch +++ /dev/null @@ -1,344 +0,0 @@ ---- kexecboot-0.3.orig/kexecboot.h 2008-09-03 02:35:40.000000000 +0400 -+++ kexecboot-0.3/kexecboot.h 2008-09-03 02:36:04.000000000 +0400 -@@ -24,6 +24,10 @@ - #include <string.h> - #include <linux/input.h> - #include <termios.h> -+#include <unistd.h> -+#include <signal.h> -+#include <sys/wait.h> -+#include <ctype.h> - #include "fb.h" - #include "devicescan.h" - #include "res/logo-img.h" -@@ -33,4 +37,14 @@ - #include "res/memory-img.h" - #include "res/radeon-font.h" - -+/* Macro for dealing with NULL strings */ -+#define strlenn(s) ( (NULL != s) ? (strlen(s)) : 0 ) -+ -+/* Tags we want from /proc/cmdline */ -+char *wanted_tags[] = { -+ "mtdparts", -+ NULL -+}; -+ -+ - #endif ---- kexecboot-0.3.orig/kexecboot.c 2008-09-03 02:35:40.000000000 +0400 -+++ kexecboot-0.3/kexecboot.c 2008-09-03 03:33:05.000000000 +0400 -@@ -78,20 +78,293 @@ - fb_render(fb); - } - -+/* -+ * Function: get_extra_cmdline() -+ * It gets wanted tags from original cmdline. -+ * Takes 2 args: -+ * - extra_cmdline - buffer to store cmdline parameters; -+ * - extra_cmdline_size - size of buffer -+ * (inc. terminating '\0'). -+ * Return values: -+ * - length of extra_cmdline on success (w/o term. zero); -+ * - -1 on error; -+ * - (- length of extra_cmdline - 1) on insufficient buffer space. -+ */ -+ -+int get_extra_cmdline(char *const extra_cmdline, const size_t extra_cmdline_size) -+{ -+ char *p, *t, *tag = NULL; -+ char line[COMMAND_LINE_SIZE]; -+ int i, len, sp_size; -+ int sum_len = 0; -+ int wanted_tag_found = 0; -+ int overflow = 0; -+ -+ const char proc_cmdline_path[] = "/proc/cmdline"; -+ -+ /* Open /proc/cmdline and read cmdline */ -+ FILE *f = fopen(proc_cmdline_path, "r"); -+ if (NULL == f) { -+ perror("Can't open /proc/cmdline"); -+ return -1; -+ } -+ -+ if ( NULL == fgets(line, sizeof(line), f) ) { -+ perror("Can't read /proc/cmdline"); -+ fclose(f); -+ return -1; -+ } -+ -+ fclose(f); -+ -+ /* clean up buffer before parsing */ -+ t = extra_cmdline; -+ *t = '\0'; -+ -+ p = line-1; /* because of ++p below */ -+ -+ sp_size = 0; /* size of (first) space */ -+ -+ do { -+ ++p; -+ -+ if ( (NULL == tag) && (isalnum(*p)) ) { -+ /* new tag found */ -+ tag = p; -+ } else if (tag) { -+ /* we are working on some tag */ -+ -+ if (isspace(*p) || ('\0' == *p) || ('=' == *p) ) { -+ /* end of tag or '=' found */ -+ -+ if (!wanted_tag_found) { -+ /* search in wanted_tags */ -+ for (i = 0; wanted_tags[i] != NULL; i++) { -+ if ( 0 == strncmp(wanted_tags[i], tag, p-tag) ) { -+ /* match found */ -+ wanted_tag_found = 1; -+ break; -+ } -+ } -+ } -+ -+ if ( ('=' != *p) && wanted_tag_found ) { -+ /* end of wanted tag found -> copy */ -+ -+ len = p - tag; -+ if ( (sum_len + len + sp_size) < extra_cmdline_size ) { -+ if (sp_size) { -+ /* prepend space when have tags already */ -+ *t = ' '; -+ ++t; -+ *t = '\0'; -+ ++sum_len; -+ } else { -+ sp_size = sizeof(char); -+ } -+ -+ /* NOTE: tag is not null-terminated so copy only -+ * len chars and terminate it directly -+ */ -+ strncpy(t, tag, len); -+ /* move pointer to position after copied tag */ -+ t += len ; -+ /* null-terminate */ -+ *t = '\0'; -+ /* update summary length */ -+ sum_len += len; -+ } else { -+ /* we have no space - skip this tag */ -+ overflow = 1; -+ } -+ -+ /* reset wanted_tag_found */ -+ wanted_tag_found = 0; -+ } -+ -+ /* reset tag */ -+ if (!wanted_tag_found) tag = NULL; -+ -+ } -+ } -+ -+ } while ('\0' != *p); -+ -+ if (overflow) return -sum_len-1; -+ return sum_len; -+} -+ -+/* -+ * Function: kexec_execw() -+ * (execve and wait) -+ * kexecboot's replace of system() call without /bin/sh invocation. -+ * During execution of the command, SIGCHLD will be blocked, -+ * and SIGINT and SIGQUIT will be ignored (like system() does). -+ * Takes 2 args (execve()-like): -+ * - path - full path to executable file -+ * - argv[] - array of args for executed file (command options e.g.) -+ * - envp[] - array of environment strings ("key=value") -+ * Return value: -+ * - command exit status on success -+ * - -1 on error (e.g. fork() failed) -+ */ -+int kexec_execw(const char *path, char *const argv[], char *const envp[]) -+{ -+ pid_t pid; -+ struct sigaction ignore, old_int, old_quit; -+ sigset_t masked, oldmask; -+ int status; -+ -+ /* Block SIGCHLD and ignore SIGINT and SIGQUIT */ -+ /* Do this before the fork() to avoid races */ -+ -+ ignore.sa_handler = SIG_IGN; -+ sigemptyset(&ignore.sa_mask); -+ ignore.sa_flags = 0; -+ sigaction(SIGINT, &ignore, &old_int); -+ sigaction(SIGQUIT, &ignore, &old_quit); -+ -+ sigemptyset(&masked); -+ sigaddset(&masked, SIGCHLD); -+ sigprocmask(SIG_BLOCK, &masked, &oldmask); -+ -+ pid = fork(); -+ -+ if (pid < 0) -+ /* can't fork */ -+ return -1; -+ else if (pid == 0) { -+ /* it is child */ -+ sigaction(SIGINT, &old_int, NULL); -+ sigaction(SIGQUIT, &old_quit, NULL); -+ sigprocmask(SIG_SETMASK, &oldmask, NULL); -+ -+ /* replace child with executed file */ -+ execve(path, (char *const *)argv, (char *const *)envp); -+ /* should not happens but... */ -+ _exit(127); -+ } -+ -+ /* it is parent */ -+ -+ /* wait for our child and store status */ -+ waitpid(pid, &status, 0); -+ -+ /* restore signal handlers */ -+ sigaction(SIGINT, &old_int, NULL); -+ sigaction(SIGQUIT, &old_quit, NULL); -+ sigprocmask(SIG_SETMASK, &oldmask, NULL); -+ -+ return status; -+} -+ - void start_kernel(struct boot *boot) - { -- //kexec --command-line="CMDLINE" -l /mnt/boot/zImage -- char command[COMMAND_LINE_SIZE + 60]; -- mount(boot->device, "/mnt", boot->fstype, MS_RDONLY, NULL); -- if( boot->cmdline ) -- sprintf(command,"/usr/sbin/kexec --command-line=\"%s root=%s rootfstype=%s\" -l %s", -- boot->cmdline, boot->device, boot->fstype, boot->kernelpath); -- else -- sprintf(command,"kexec -l %s", boot->kernelpath); -- system(command); --// puts(command); -- umount("/mnt"); -- system("/usr/sbin/kexec -e"); -+ /* we use var[] instead of *var because sizeof(var) using */ -+ const char mount_point[] = "/mnt"; -+ const char kexec_path[] = "/usr/sbin/kexec"; -+ -+ const char str_cmdline_start[] = "--command-line="; -+ const char str_root[] = " root="; -+ const char str_rootfstype[] = " rootfstype="; -+ const char str_rootwait[] = " rootwait"; -+ -+ /* empty environment */ -+ char *const envp[] = { NULL }; -+ -+ const char *kexec_load_argv[] = { NULL, "-l", NULL, NULL, NULL }; -+ const char *kexec_exec_argv[] = { NULL, "-e", NULL}; -+ -+ char extra_cmdline_buffer[COMMAND_LINE_SIZE]; -+ char *extra_cmdline, *cmdline_arg = NULL; -+ int n, idx; -+ -+ kexec_exec_argv[0] = kexec_path; -+ kexec_load_argv[0] = kexec_path; -+ -+ /* --command-line arg generation */ -+ idx = 2; /* kexec_load_argv current option index */ -+ -+ /* get some parts of cmdline from boot loader (e.g. mtdparts) */ -+ n = get_extra_cmdline( extra_cmdline_buffer, -+ sizeof(extra_cmdline_buffer) ); -+ if ( -1 == n ) { -+ /* clean up extra_cmdline on error */ -+ extra_cmdline = NULL; -+/* } else if ( n < -1 ) { */ -+ /* Do something when we have no space to get all wanted tags */ -+ /* Now do nothing ;) */ -+ } else { -+ extra_cmdline = extra_cmdline_buffer; -+ } -+ -+ /* fill '--command-line' option */ -+ if (boot->cmdline || extra_cmdline || boot->device) { -+ /* allocate space */ -+ n = strlenn(str_cmdline_start) + strlenn(boot->cmdline) + -+ sizeof(char) + strlenn(extra_cmdline) + -+ strlenn(str_root) + strlenn(boot->device) + -+ strlenn(str_rootfstype) + strlenn(boot->fstype) + -+ strlenn(str_rootwait) + sizeof(char); -+ -+ cmdline_arg = (char *)malloc(n); -+ if (NULL == cmdline_arg) { -+ perror("Can't allocate memory for cmdline_arg"); -+ /* Should we exit? -+ exit(-1); -+ */ -+ } else { -+ strcat(cmdline_arg, str_cmdline_start); -+ if (extra_cmdline) -+ strcat(cmdline_arg, extra_cmdline); -+ if (boot->cmdline && extra_cmdline) -+ strcat(cmdline_arg, " "); -+ if (boot->cmdline) -+ strcat(cmdline_arg, boot->cmdline); -+ if (boot->device) { -+ strcat(cmdline_arg, str_root); -+ strcat(cmdline_arg, boot->device); -+ if (boot->fstype) { -+ strcat(cmdline_arg, str_rootfstype); -+ strcat(cmdline_arg, boot->fstype); -+ } -+ } -+ strcat(cmdline_arg, str_rootwait); -+ -+ kexec_load_argv[idx] = cmdline_arg; -+ ++idx; -+ } -+ } -+ -+ /* Append kernelpath as last arg of kexec */ -+ kexec_load_argv[idx] = boot->kernelpath; -+ -+ /* Debug -+ fprintf(stderr, "%s\n%s\n%s\n%s\n", kexec_load_argv[0], -+ kexec_load_argv[1], kexec_load_argv[2], -+ kexec_load_argv[3]); */ -+ -+ /* Mount boot device */ -+ if ( -1 == mount(boot->device, mount_point, boot->fstype, -+ MS_RDONLY, NULL) ) { -+ perror("Can't mount boot device"); -+ exit(-1); -+ } -+ -+ /* Load kernel */ -+ n = kexec_execw(kexec_path, (char *const *)kexec_load_argv, envp); -+ if (-1 == n) { -+ perror("Kexec can't load kernel"); -+ exit(-1); -+ } -+ -+ if (cmdline_arg) -+ free(cmdline_arg); -+ -+ umount(mount_point); -+ -+ /* Boot new kernel */ -+ execve(kexec_path, (char *const *)kexec_exec_argv, envp); - } - - int main(int argc, char **argv) -@@ -219,5 +492,6 @@ - tcsetattr(fileno(stdin), TCSANOW, &old); - fb_destroy(fb); - start_kernel(bl->list[choice]); -- return 0; -+ /* When we reach this point then some error was occured */ -+ return -1; - } diff --git a/packages/kexecboot/kexecboot_0.3.bb b/packages/kexecboot/kexecboot_0.3.bb deleted file mode 100644 index f94e31b4e2..0000000000 --- a/packages/kexecboot/kexecboot_0.3.bb +++ /dev/null @@ -1,21 +0,0 @@ -LICENSE = "GPL" -PR = "r2" -DEPENDS = "klibc" -RDEPENDS = "kexec-static" - -inherit autotools - -# You can create your own *-img.h by doing -# ./make-image-header.sh <file>.png HAND - -SRC_URI = "http://projects.linuxtogo.org/frs/download.php/221/kexecboot-${PV}.tar.gz \ - file://kexecboot-rewrite.patch;patch=1" - -S = "${WORKDIR}/kexecboot-${PV}" - -export CC=${TARGET_PREFIX}klcc - -# standart oe cflags don't work with klcc -export CFLAGS = "" -export CPPFLAGS = "" -export LDFLAGS = "" |