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s390utils/0002-s390-tools-1.8.1-zipl-...

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From 2513c0f8096c681f962d77420dac731f7bb33e44 Mon Sep 17 00:00:00 2001
From: =?utf-8?q?Dan=20Hor=C3=A1k?= <dan@danny.cz>
Date: Thu, 23 Apr 2009 11:45:36 +0200
Subject: [PATCH 2/9] s390-tools-1.8.1-zipl-automenu
---
zipl/man/zipl.8 | 7 ++
zipl/src/job.c | 194 +++++++++++++++++++++++++++++++++++++++++++++++++++++--
zipl/src/scan.c | 4 +-
zipl/src/zipl.c | 1 +
4 files changed, 197 insertions(+), 9 deletions(-)
diff --git a/zipl/man/zipl.8 b/zipl/man/zipl.8
index 8a83c01..6ebf240 100644
--- a/zipl/man/zipl.8
+++ b/zipl/man/zipl.8
@@ -249,6 +249,13 @@ whether they contain a dump signature or not.
This option can only be used together with
.BR \-\-mvdump .
+.TP
+.BR "\-x" " or " "\-\-no-automenu"
+Disables the automatic creation of a multiboot menu. Specifying a menu with the
+"-m <MENU>" option or a section disables this feature, too. This option was
+added for compatibility with previous versions of the multiboot version of
+zipl.
+
.SH EXAMPLE
1. Scenario: prepare disk for booting a Linux kernel image using the
following parameters:
diff --git a/zipl/src/job.c b/zipl/src/job.c
index c5c85d8..6a526e4 100644
--- a/zipl/src/job.c
+++ b/zipl/src/job.c
@@ -43,6 +43,7 @@ static struct option options[] = {
{ "version", no_argument, NULL, 'v'},
{ "verbose", no_argument, NULL, 'V'},
{ "add-files", no_argument, NULL, 'a'},
+ { "no-automenu", no_argument, NULL, 'x'},
{ "tape", required_argument, NULL, 'T'},
{ "dry-run", no_argument, NULL, '0'},
{ "force", no_argument, NULL, 'f'},
@@ -50,7 +51,7 @@ static struct option options[] = {
};
/* Command line option abbreviations */
-static const char option_string[] = "-c:t:i:r:p:P:d:D:M:s:m:hHnVvaT:f";
+static const char option_string[] = "-c:t:i:r:p:P:d:D:M:s:m:hHnVvaxT:f";
struct command_line {
char* data[SCAN_KEYWORD_NUM];
@@ -62,11 +63,14 @@ struct command_line {
int version;
int verbose;
int add_files;
+ int automenu;
int dry_run;
int force;
enum scan_section_type type;
};
+/* Global variable for default boot target. Ugly but necessary... */
+static char *default_target;
static int
store_option(struct command_line* cmdline, enum scan_keyword_id keyword,
@@ -92,6 +96,7 @@ get_command_line(int argc, char* argv[], struct command_line* line)
int i;
memset((void *) &cmdline, 0, sizeof(struct command_line));
+ cmdline.automenu = 1;
cmdline.type = section_invalid;
is_keyword = 0;
/* Process options */
@@ -101,16 +106,22 @@ get_command_line(int argc, char* argv[], struct command_line* line)
switch (opt) {
case 'd':
is_keyword = 1;
+ cmdline.automenu = 0;
+ scan_key_table[1][8] = req;
rc = store_option(&cmdline, scan_keyword_dumpto,
optarg);
break;
case 'D':
is_keyword = 1;
+ cmdline.automenu = 0;
+ scan_key_table[1][8] = req;
rc = store_option(&cmdline, scan_keyword_dumptofs,
optarg);
break;
case 'M':
is_keyword = 1;
+ cmdline.automenu = 0;
+ scan_key_table[1][8] = req;
rc = store_option(&cmdline, scan_keyword_mvdump,
optarg);
#ifndef __s390x__
@@ -121,35 +132,49 @@ get_command_line(int argc, char* argv[], struct command_line* line)
break;
case 'i':
is_keyword = 1;
+ cmdline.automenu = 0;
+ scan_key_table[1][8] = req;
rc = store_option(&cmdline, scan_keyword_image,
optarg);
break;
case 'P':
+ cmdline.automenu = 0;
+ scan_key_table[1][8] = req;
rc = store_option(&cmdline, scan_keyword_parameters,
optarg);
break;
case 'p':
is_keyword = 1;
+ cmdline.automenu = 0;
+ scan_key_table[1][8] = req;
rc = store_option(&cmdline, scan_keyword_parmfile,
optarg);
break;
case 'r':
is_keyword = 1;
+ cmdline.automenu = 0;
+ scan_key_table[1][8] = req;
rc = store_option(&cmdline, scan_keyword_ramdisk,
optarg);
break;
case 's':
is_keyword = 1;
+ cmdline.automenu = 0;
+ scan_key_table[1][8] = req;
rc = store_option(&cmdline, scan_keyword_segment,
optarg);
break;
case 't':
is_keyword = 1;
+ cmdline.automenu = 0;
+ scan_key_table[1][8] = req;
rc = store_option(&cmdline, scan_keyword_target,
optarg);
break;
case 'T':
is_keyword = 1;
+ cmdline.automenu = 0;
+ scan_key_table[1][8] = req;
rc = store_option(&cmdline, scan_keyword_tape,
optarg);
break;
@@ -190,6 +215,10 @@ get_command_line(int argc, char* argv[], struct command_line* line)
case 'f':
cmdline.force = 1;
break;
+ case 'x':
+ cmdline.automenu = 0;
+ scan_key_table[1][8] = req;
+ break;
case 1:
/* Non-option is interpreted as section name */
if (cmdline.section != NULL) {
@@ -214,6 +243,9 @@ get_command_line(int argc, char* argv[], struct command_line* line)
if (cmdline.help || cmdline.version) {
/* Always accept --help and --version */
} else if ((cmdline.menu != NULL) || (cmdline.section != NULL)) {
+ /* If either menu or section has been selected disable
+ automenu generation */
+ cmdline.automenu = 0;
/* Config file mode */
if ((cmdline.menu != NULL) && (cmdline.section != NULL)) {
error_reason("Option 'menu' cannot be used when "
@@ -832,7 +864,14 @@ get_job_from_section_data(char* data[], struct job_data* job, char* section)
/* IPL job */
job->id = job_ipl;
/* Fill in name of bootmap directory */
- job->bootmap_dir = misc_strdup(data[(int) scan_keyword_target]);
+ if (data[(int) scan_keyword_target] == NULL) {
+ if (default_target == NULL) {
+ error_text("Unable to find default section in your config file.");
+ break;
+ }
+ job->bootmap_dir = misc_strdup(default_target);
+ } else
+ job->bootmap_dir = misc_strdup(data[(int) scan_keyword_target]);
if (job->bootmap_dir == NULL)
return -1;
/* Fill in name and address of image file */
@@ -1102,6 +1141,8 @@ get_menu_job(struct scan_token* scan, char* menu, struct job_data* job)
if (temp_job == NULL)
return -1;
memset((void *) temp_job, 0, sizeof(struct job_data));
+ if (data[(int) scan_keyword_target] == NULL)
+ data[(int) scan_keyword_target] = misc_strdup(job->bootmap_dir);
rc = get_job_from_section_data(data, temp_job,
job->data.menu.entry[current].name);
if (rc) {
@@ -1150,6 +1191,7 @@ get_default_section(struct scan_token* scan, char** section, int* is_menu)
i = scan_find_section(scan, DEFAULTBOOT_SECTION,
scan_id_section_heading, 0);
if (i<0) {
+ *section = NULL;
error_reason("No '" DEFAULTBOOT_SECTION "' section found and "
"no section specified on command line");
return -1;
@@ -1169,6 +1211,7 @@ get_default_section(struct scan_token* scan, char** section, int* is_menu)
}
}
/* Should not happen */
+ *section = NULL;
error_reason("No default section specified");
return -1;
}
@@ -1184,19 +1227,35 @@ get_section_job(struct scan_token* scan, char* section, struct job_data* job,
{
char* data[SCAN_KEYWORD_NUM];
char* buffer;
+ char* default_section;
int rc;
int i;
+ rc = get_default_section(scan, &default_section, &i);
+ if (rc)
+ return rc;
if (section == NULL) {
- rc = get_default_section(scan, &section, &i);
- if (rc)
- return rc;
+ section = default_section;
if (i) {
/* 'defaultmenu' was specified */
rc = get_menu_job(scan, section, job);
return rc;
}
}
+ else
+ {
+ char* name = NULL;
+
+ for (i = 0; (int) scan[i].id != 0; i++) {
+ if (scan[i].id == scan_id_section_heading) {
+ name = scan[i].content.section.name;
+ }
+ if (scan[i].id == scan_id_keyword_assignment &&
+ scan[i].content.keyword.keyword == scan_keyword_target &&
+ !strcmp(DEFAULTBOOT_SECTION, name))
+ default_target = misc_strdup(scan[i].content.keyword.value);
+ }
+ }
if (strcmp(section, DEFAULTBOOT_SECTION) == 0) {
error_reason("Special section '" DEFAULTBOOT_SECTION "' cannot "
"be used as target section");
@@ -1268,10 +1327,118 @@ get_section_job(struct scan_token* scan, char* section, struct job_data* job,
}
+/* Create a fake menu to simulate the old s390utils-1.1.7 multiboot
+ * behaviour. */
+static struct scan_token *
+create_fake_menu(struct scan_token *scan)
+{
+ int i, j, pos, numsec, size, defaultpos;
+ char *name;
+ char *target;
+ char *timeout;
+ char *seclist[1024];
+ char *defaultsection;
+ char buf[1024];
+ struct scan_token *tmp;
+
+ /* Count # of sections */
+ numsec = 0;
+ name = NULL;
+ target = NULL;
+ timeout = NULL;
+ for (i = 0; (int) scan[i].id != 0; i++) {
+ if (scan[i].id == scan_id_section_heading) {
+ name = scan[i].content.section.name;
+ if (strcmp(DEFAULTBOOT_SECTION, name))
+ seclist[numsec++] = name;
+ }
+ if (scan[i].id == scan_id_keyword_assignment &&
+ (scan[i].content.keyword.keyword == scan_keyword_dumpto ||
+ scan[i].content.keyword.keyword == scan_keyword_dumptofs)) {
+ numsec--;
+ continue;
+ }
+ if (scan[i].id == scan_id_keyword_assignment &&
+ scan[i].content.keyword.keyword == scan_keyword_target &&
+ !strcmp(DEFAULTBOOT_SECTION, name))
+ target = scan[i].content.keyword.value;
+
+ if (scan[i].id == scan_id_keyword_assignment &&
+ scan[i].content.keyword.keyword == scan_keyword_timeout)
+ timeout = scan[i].content.keyword.value;
+ }
+ get_default_section(scan, &defaultsection, &j);
+
+ if (defaultsection == NULL) {
+ error_text("Unable to find default section in your config file.");
+ return NULL;
+ }
+
+ if (target == NULL) {
+ error_text("Keyword target is missing in default section.");
+ return NULL;
+ }
+
+ default_target = misc_strdup(target);
+
+ size = i+6+numsec;
+ tmp = (struct scan_token *) misc_malloc(size * sizeof(struct scan_token));
+ if (tmp == NULL) {
+ error_text("Couldn't allocate memory for menu entries");
+ return NULL;
+ }
+
+ memset(tmp, 0, size * sizeof(struct scan_token));
+ memcpy(tmp, scan, i * sizeof(struct scan_token));
+ free(scan);
+ scan = tmp;
+
+ defaultpos = 0;
+ for (j = 0; j < numsec; j++) {
+ if (!strcmp(defaultsection, seclist[j]))
+ defaultpos = j+1;
+ }
+
+ snprintf(buf, 1024, "%d", defaultpos);
+
+ scan[i].id = scan_id_menu_heading;
+ scan[i].line = i;
+ scan[i++].content.menu.name = misc_strdup("rh-automatic-menu");
+ scan[i].id = scan_id_keyword_assignment;
+ scan[i].line = i;
+ scan[i].content.keyword.keyword = scan_keyword_target;
+ scan[i++].content.keyword.value = misc_strdup(target);
+ scan[i].id = scan_id_keyword_assignment;
+ scan[i].line = i;
+ scan[i].content.keyword.keyword = scan_keyword_default;
+ scan[i++].content.keyword.value = misc_strdup(buf);
+ scan[i].id = scan_id_keyword_assignment;
+ scan[i].line = i;
+ scan[i].content.keyword.keyword = scan_keyword_prompt;
+ scan[i++].content.keyword.value = misc_strdup("1");
+ scan[i].id = scan_id_keyword_assignment;
+ scan[i].line = i;
+ scan[i].content.keyword.keyword = scan_keyword_timeout;
+ if (timeout)
+ scan[i++].content.keyword.value = misc_strdup(timeout);
+ else
+ scan[i++].content.keyword.value = misc_strdup("15");
+
+ pos = i;
+ for (i = 0; i<numsec; i++) {
+ scan[pos].id = scan_id_number_assignment;
+ scan[pos].line = pos;
+ scan[pos].content.number.number = i+1;
+ scan[pos++].content.number.value = misc_strdup(seclist[i]);
+ }
+
+ return scan;
+}
+
static int
get_job_from_config_file(struct command_line* cmdline, struct job_data* job)
{
- struct scan_token* scan;
+ struct scan_token* scan, *nscan;
char* filename;
char* source;
int rc;
@@ -1303,9 +1470,22 @@ get_job_from_config_file(struct command_line* cmdline, struct job_data* job)
scan_free(scan);
return rc;
}
+
+ if (cmdline->automenu) {
+ nscan = create_fake_menu(scan);
+ if (nscan == NULL) {
+ scan_free(scan);
+ return -1;
+ }
+ scan = nscan;
+ }
+
/* Get job from config file data */
- if (cmdline->menu != NULL)
+ if (cmdline->menu != NULL || cmdline->automenu) {
+ if (cmdline->automenu)
+ cmdline->menu = misc_strdup("rh-automatic-menu");
rc = get_menu_job(scan, cmdline->menu, job);
+ }
else {
rc = get_section_job(scan, cmdline->section, job,
cmdline->data[(int) scan_keyword_parameters]);
diff --git a/zipl/src/scan.c b/zipl/src/scan.c
index 9948092..caca3cf 100644
--- a/zipl/src/scan.c
+++ b/zipl/src/scan.c
@@ -33,9 +33,9 @@ enum scan_key_state scan_key_table[SCAN_SECTION_NUM][SCAN_KEYWORD_NUM] = {
* rs enu
*/
/* defaultboot */
- {opt, inv, inv, inv, inv, inv, inv, inv, inv, inv, inv, opt, inv, inv},
+ {opt, inv, inv, inv, inv, inv, inv, inv, req, inv, opt, opt, inv, inv},
/* ipl */
- {inv, inv, inv, req, opt, opt, opt, inv, req, inv, inv, inv, inv, inv},
+ {inv, inv, inv, req, opt, opt, opt, inv, opt, inv, inv, inv, inv, inv},
/* segment load */
{inv, inv, inv, inv, inv, inv, inv, req, req, inv, inv, inv, inv, inv},
/* part dump */
diff --git a/zipl/src/zipl.c b/zipl/src/zipl.c
index 9cb764c..4d9fd36 100644
--- a/zipl/src/zipl.c
+++ b/zipl/src/zipl.c
@@ -73,6 +73,7 @@ static const char* usage_text[] = {
"-n, --noninteractive Answer all confirmation questions with 'yes'",
"-V, --verbose Provide more verbose output",
"-a, --add-files Add all referenced files to bootmap file",
+"-x, --no-automenu Don't autogenerate multiboot menu",
" --dry-run Simulate run but don't modify IPL records"
};
--
1.6.3.3
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