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| author | Simon Glass <sjg@chromium.org> | 2020-07-07 13:12:12 -0600 |
|---|---|---|
| committer | Bin Meng <bmeng.cn@gmail.com> | 2020-07-17 14:32:24 +0800 |
| commit | a4f8208919a4458ebe93d46d43a7cb0a13f7a0d8 (patch) | |
| tree | 5dfc4356dcc6ead5dcb7f819965216377207c274 /cmd/acpi.c | |
| parent | fefac0b0643b14e72c356cf05dabcbe7512c4709 (diff) | |
| download | u-boot-a4f8208919a4458ebe93d46d43a7cb0a13f7a0d8.zip u-boot-a4f8208919a4458ebe93d46d43a7cb0a13f7a0d8.tar.gz u-boot-a4f8208919a4458ebe93d46d43a7cb0a13f7a0d8.tar.bz2 | |
acpi: Add an acpi command to list/dump generated ACPI items
Add a command that shows the individual blocks of data generated by each
device, effectively splitting the full table into its component parts.
This can be helpful for debugging.
Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Wolfgang Wallner <wolfgang.wallner@br-automation.com>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Diffstat (limited to 'cmd/acpi.c')
| -rw-r--r-- | cmd/acpi.c | 15 |
1 files changed, 13 insertions, 2 deletions
@@ -153,6 +153,17 @@ static int do_acpi_list(struct cmd_tbl *cmdtp, int flag, int argc, return 0; } +static int do_acpi_items(struct cmd_tbl *cmdtp, int flag, int argc, + char *const argv[]) +{ + bool dump_contents; + + dump_contents = argc >= 2 && !strcmp("-d", argv[1]); + acpi_dump_items(dump_contents ? ACPI_DUMP_CONTENTS : ACPI_DUMP_LIST); + + return 0; +} + static int do_acpi_dump(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[]) { @@ -160,8 +171,6 @@ static int do_acpi_dump(struct cmd_tbl *cmdtp, int flag, int argc, char sig[ACPI_NAME_LEN]; int ret; - if (argc < 2) - return CMD_RET_USAGE; name = argv[1]; if (strlen(name) != ACPI_NAME_LEN) { printf("Table name '%s' must be four characters\n", name); @@ -179,8 +188,10 @@ static int do_acpi_dump(struct cmd_tbl *cmdtp, int flag, int argc, static char acpi_help_text[] = "list - list ACPI tables\n" + "acpi items [-d] - List/dump each piece of ACPI data from devices\n" "acpi dump <name> - Dump ACPI table"; U_BOOT_CMD_WITH_SUBCMDS(acpi, "ACPI tables", acpi_help_text, U_BOOT_SUBCMD_MKENT(list, 1, 1, do_acpi_list), + U_BOOT_SUBCMD_MKENT(items, 2, 1, do_acpi_items), U_BOOT_SUBCMD_MKENT(dump, 2, 1, do_acpi_dump)); |