* Code cleanup:
- remove trailing white space, trailing empty lines, C++ comments, etc.
- split cmd_boot.c (separate cmd_bdinfo.c and cmd_load.c)
* Patches by Kenneth Johansson, 25 Jun 2003:
- major rework of command structure
(work done mostly by Michal Cendrowski and Joakim Kristiansen)
This commit is contained in:
wdenk
+53
-54
@@ -69,25 +69,25 @@ What they do
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bootretry environment variable
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These options determine what happens after autoboot is
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stopped and U-Boot is waiting for commands.
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These options determine what happens after autoboot is
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stopped and U-Boot is waiting for commands.
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CONFIG_BOOT_RETRY_TIME must be defined to enable the boot
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retry feature. If the environment variable 'bootretry' is
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found then its value is used, otherwise the retry timeout is
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CONFIG_BOOT_RETRY_TIME. CONFIG_BOOT_RETRY_MIN is optional and
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defaults to CONFIG_BOOT_RETRY_TIME. All times are in seconds.
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CONFIG_BOOT_RETRY_TIME must be defined to enable the boot
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retry feature. If the environment variable 'bootretry' is
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found then its value is used, otherwise the retry timeout is
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CONFIG_BOOT_RETRY_TIME. CONFIG_BOOT_RETRY_MIN is optional and
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defaults to CONFIG_BOOT_RETRY_TIME. All times are in seconds.
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If the retry timeout is negative, the U-Boot command prompt
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never times out. Otherwise it is forced to be at least
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CONFIG_BOOT_RETRY_MIN seconds. If no valid U-Boot command is
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entered before the specified time the boot delay sequence is
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restarted. Each command that U-Boot executes restarts the
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timeout.
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If the retry timeout is negative, the U-Boot command prompt
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never times out. Otherwise it is forced to be at least
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CONFIG_BOOT_RETRY_MIN seconds. If no valid U-Boot command is
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entered before the specified time the boot delay sequence is
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restarted. Each command that U-Boot executes restarts the
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timeout.
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If CONFIG_BOOT_RETRY_TIME < 0 the feature is there, but
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doesn't do anything unless the environment variable
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'bootretry' is >= 0.
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If CONFIG_BOOT_RETRY_TIME < 0 the feature is there, but
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doesn't do anything unless the environment variable
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'bootretry' is >= 0.
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CONFIG_AUTOBOOT_KEYED
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CONFIG_AUTOBOOT_PROMPT
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@@ -101,9 +101,9 @@ What they do
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bootdelaykey2 environment variable
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bootstopkey2 environment variable
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These options give more control over stopping autoboot. When
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they are used a specific character or string is required to
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stop or delay autoboot.
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These options give more control over stopping autoboot. When
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they are used a specific character or string is required to
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stop or delay autoboot.
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Define CONFIG_AUTOBOOT_KEYED (no value required) to enable
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this group of options. CONFIG_AUTOBOOT_DELAY_STR,
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@@ -111,48 +111,47 @@ What they do
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specified by the corresponding environment variable),
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otherwise there is no way to stop autoboot.
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CONFIG_AUTOBOOT_PROMPT is displayed before the boot delay
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selected by CONFIG_BOOTDELAY starts. If it is not defined
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there is no output indicating that autoboot is in progress.
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If "%d" is included, it is replaced by the number of seconds
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remaining before autoboot will start, but it does not count
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down the seconds. "autoboot in %d seconds\n" is a reasonable
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prompt.
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CONFIG_AUTOBOOT_PROMPT is displayed before the boot delay
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selected by CONFIG_BOOTDELAY starts. If it is not defined
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there is no output indicating that autoboot is in progress.
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If "%d" is included, it is replaced by the number of seconds
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remaining before autoboot will start, but it does not count
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down the seconds. "autoboot in %d seconds\n" is a reasonable
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prompt.
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If CONFIG_AUTOBOOT_DELAY_STR or bootdelaykey is specified and
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this string is received from console input before autoboot
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starts booting, U-Boot gives a command prompt. The U-Boot
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prompt will time out if CONFIG_BOOT_RETRY_TIME is used,
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otherwise it never times out.
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If CONFIG_AUTOBOOT_DELAY_STR or bootdelaykey is specified and
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this string is received from console input before autoboot
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starts booting, U-Boot gives a command prompt. The U-Boot
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prompt will time out if CONFIG_BOOT_RETRY_TIME is used,
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otherwise it never times out.
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If CONFIG_AUTOBOOT_STOP_STR or bootstopkey is specified and
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this string is received from console input before autoboot
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starts booting, U-Boot gives a command prompt. The U-Boot
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prompt never times out, even if CONFIG_BOOT_RETRY_TIME is
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used.
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If CONFIG_AUTOBOOT_STOP_STR or bootstopkey is specified and
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this string is received from console input before autoboot
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starts booting, U-Boot gives a command prompt. The U-Boot
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prompt never times out, even if CONFIG_BOOT_RETRY_TIME is
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used.
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The string recognition is not very sophisticated. If a
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partial match is detected, the first non-matching character
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is checked to see if starts a new match. There is no check
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for a shorter partial match, so it's best if the first
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character of a key string does not appear in the rest of the
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string.
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The string recognition is not very sophisticated. If a
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partial match is detected, the first non-matching character
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is checked to see if starts a new match. There is no check
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for a shorter partial match, so it's best if the first
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character of a key string does not appear in the rest of the
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string.
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Using the CONFIG_AUTOBOOT_DELAY_STR2 / bootdelaykey2 and/or
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CONFIG_AUTOBOOT_STOP_STR2 / bootstopkey #defines and/or
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environment variables you can specify a second, alternate
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string (which allows you to haw two "password" strings).
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Using the CONFIG_AUTOBOOT_DELAY_STR2 / bootdelaykey2 and/or
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CONFIG_AUTOBOOT_STOP_STR2 / bootstopkey #defines and/or
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environment variables you can specify a second, alternate
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string (which allows you to haw two "password" strings).
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CONFIG_ZERO_BOOTDELAY_CHECK
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If this option is defined, you can stop the autoboot process
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by hitting a key even in that case when "bootdelay" has been
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set to 0. You can set "bootdelay" to a negative value to
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prevent the check for console input.
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If this option is defined, you can stop the autoboot process
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by hitting a key even in that case when "bootdelay" has been
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set to 0. You can set "bootdelay" to a negative value to
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prevent the check for console input.
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CONFIG_RESET_TO_RETRY
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(Only effective when CONFIG_BOOT_RETRY_TIME is also set)
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After the countdown timed out, the board will be reset to restart
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again.
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(Only effective when CONFIG_BOOT_RETRY_TIME is also set)
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After the countdown timed out, the board will be reset to restart
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again.
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