diff options
| -rw-r--r-- | cmd/Kconfig | 6 | ||||
| -rw-r--r-- | cmd/Makefile | 1 | ||||
| -rw-r--r-- | cmd/pause.c | 32 | ||||
| -rw-r--r-- | configs/sandbox64_defconfig | 1 | ||||
| -rw-r--r-- | configs/sandbox_defconfig | 1 | ||||
| -rw-r--r-- | doc/usage/cmd/pause.rst | 53 | ||||
| -rw-r--r-- | doc/usage/index.rst | 1 | ||||
| -rw-r--r-- | test/cmd/Makefile | 3 | ||||
| -rw-r--r-- | test/cmd/test_pause.c | 45 |
9 files changed, 143 insertions, 0 deletions
diff --git a/cmd/Kconfig b/cmd/Kconfig index 211ebe9c87..67c7d2512f 100644 --- a/cmd/Kconfig +++ b/cmd/Kconfig @@ -1971,6 +1971,12 @@ config CMD_GETTIME milliseconds. See also the 'bootstage' command which provides more flexibility for boot timing. +config CMD_PAUSE + bool "pause command" + help + Delay execution waiting for any user input. + Useful to allow the user to read a failure log. + config CMD_RNG bool "rng command" depends on DM_RNG diff --git a/cmd/Makefile b/cmd/Makefile index 6e87522b62..7abe1d3630 100644 --- a/cmd/Makefile +++ b/cmd/Makefile @@ -102,6 +102,7 @@ obj-$(CONFIG_CMD_MFSL) += mfsl.o obj-$(CONFIG_CMD_MII) += mii.o obj-$(CONFIG_CMD_MISC) += misc.o obj-$(CONFIG_CMD_MDIO) += mdio.o +obj-$(CONFIG_CMD_PAUSE) += pause.o obj-$(CONFIG_CMD_SLEEP) += sleep.o obj-$(CONFIG_CMD_MMC) += mmc.o obj-$(CONFIG_CMD_OPTEE_RPMB) += optee_rpmb.o diff --git a/cmd/pause.c b/cmd/pause.c new file mode 100644 index 0000000000..c97833c0d7 --- /dev/null +++ b/cmd/pause.c @@ -0,0 +1,32 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * (C) Copyright 2021 + * Samuel Dionne-Riel <samuel@dionne-riel.com> + */ + +#include <command.h> +#include <stdio.h> + +static int do_pause(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[]) +{ + char *message = "Press any key to continue..."; + + if (argc == 2) + message = argv[1]; + + /* No newline, so it sticks to the bottom of the screen */ + printf("%s", message); + + /* Wait on "any" key... */ + (void) getchar(); + + /* Since there was no newline, we need it now */ + printf("\n"); + + return CMD_RET_SUCCESS; +} + +U_BOOT_CMD(pause, 2, 1, do_pause, + "delay until user input", + "[prompt] - Wait until users presses any key. [prompt] can be used to customize the message.\n" +); diff --git a/configs/sandbox64_defconfig b/configs/sandbox64_defconfig index 4599db73ed..9a1b6e4bbf 100644 --- a/configs/sandbox64_defconfig +++ b/configs/sandbox64_defconfig @@ -67,6 +67,7 @@ CONFIG_CMD_BMP=y CONFIG_CMD_EFIDEBUG=y CONFIG_CMD_RTC=y CONFIG_CMD_TIME=y +CONFIG_CMD_PAUSE=y CONFIG_CMD_TIMER=y CONFIG_CMD_SOUND=y CONFIG_CMD_QFW=y diff --git a/configs/sandbox_defconfig b/configs/sandbox_defconfig index 4a0c51c7f5..e6a1718571 100644 --- a/configs/sandbox_defconfig +++ b/configs/sandbox_defconfig @@ -96,6 +96,7 @@ CONFIG_CMD_BOOTCOUNT=y CONFIG_CMD_EFIDEBUG=y CONFIG_CMD_RTC=y CONFIG_CMD_TIME=y +CONFIG_CMD_PAUSE=y CONFIG_CMD_TIMER=y CONFIG_CMD_SOUND=y CONFIG_CMD_QFW=y diff --git a/doc/usage/cmd/pause.rst b/doc/usage/cmd/pause.rst new file mode 100644 index 0000000000..c79e399c02 --- /dev/null +++ b/doc/usage/cmd/pause.rst @@ -0,0 +1,53 @@ +.. SPDX-License-Identifier: GPL-2.0-or-later: + +pause command +============= + +Synopsis +-------- + +:: + + pause [prompt] + + +Description +----------- + +The pause command delays execution waiting for any user input. + +It can accept a single parameter to change the prompt message. + +Examples +-------- + +Using with the default prompt: + +:: + + => pause + Press any key to continue... + + +Using with a custom prompt: + +:: + + => pause 'Prompt for pause...' + Prompt for pause... + +Note that complex prompts require proper quoting: + +:: + + => pause Prompt for pause... + pause - delay until user input + + Usage: + pause [prompt] - Wait until users presses any key. [prompt] can be used to customize the message. + +Return value +------------ + +The return value $? is always set to 0 (true), unless invoked in an invalid +manner. diff --git a/doc/usage/index.rst b/doc/usage/index.rst index 28f9683a3e..5170fa8b4a 100644 --- a/doc/usage/index.rst +++ b/doc/usage/index.rst @@ -52,6 +52,7 @@ Shell commands cmd/mbr cmd/md cmd/mmc + cmd/pause cmd/pinmux cmd/printenv cmd/pstore diff --git a/test/cmd/Makefile b/test/cmd/Makefile index c331757425..1bb02d93a2 100644 --- a/test/cmd/Makefile +++ b/test/cmd/Makefile @@ -5,6 +5,9 @@ ifdef CONFIG_HUSH_PARSER obj-$(CONFIG_CONSOLE_RECORD) += test_echo.o endif +ifdef CONFIG_CONSOLE_RECORD +obj-$(CONFIG_CMD_PAUSE) += test_pause.o +endif obj-y += mem.o obj-$(CONFIG_CMD_ADDRMAP) += addrmap.o obj-$(CONFIG_CMD_FDT) += fdt.o diff --git a/test/cmd/test_pause.c b/test/cmd/test_pause.c new file mode 100644 index 0000000000..2b85cce327 --- /dev/null +++ b/test/cmd/test_pause.c @@ -0,0 +1,45 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * Tests for pause command + * + * Copyright 2022, Samuel Dionne-Riel <samuel@dionne-riel.com> + */ + +#include <common.h> +#include <asm/global_data.h> +#include <test/lib.h> +#include <test/ut.h> + +DECLARE_GLOBAL_DATA_PTR; + +static int lib_test_hush_pause(struct unit_test_state *uts) +{ + /* Test default message */ + console_record_reset_enable(); + /* Cook a newline when the command is expected to pause */ + console_in_puts("\n"); + ut_assertok(run_command("pause", 0)); + console_record_readline(uts->actual_str, sizeof(uts->actual_str)); + ut_asserteq_str("Press any key to continue...", uts->actual_str); + ut_assertok(ut_check_console_end(uts)); + + /* Test provided message */ + console_record_reset_enable(); + /* Cook a newline when the command is expected to pause */ + console_in_puts("\n"); + ut_assertok(run_command("pause 'Prompt for pause...'", 0)); + console_record_readline(uts->actual_str, sizeof(uts->actual_str)); + ut_asserteq_str("Prompt for pause...", uts->actual_str); + ut_assertok(ut_check_console_end(uts)); + + /* Test providing more than one params */ + console_record_reset_enable(); + /* No newline cooked here since the command is expected to fail */ + ut_asserteq(1, run_command("pause a b", 0)); + console_record_readline(uts->actual_str, sizeof(uts->actual_str)); + ut_asserteq_str("pause - delay until user input", uts->actual_str); + ut_asserteq(1, ut_check_console_end(uts)); + + return 0; +} +LIB_TEST(lib_test_hush_pause, 0); |