Some operating systems have a command line which can be adjusted before booting. Store this in the bootflow so it can be controlled within U-Boot.
Fix up the example output while we are here, since there are a few new items.
Signed-off-by: Simon Glass sjg@chromium.org Reviewed-by: Bin Meng bmeng.cn@gmail.com ---
Changes in v2: - Correct 'it not known' typo
cmd/bootflow.c | 6 ++++++ doc/usage/cmd/bootflow.rst | 5 ++++- include/bootflow.h | 2 ++ test/boot/bootflow.c | 1 + 4 files changed, 13 insertions(+), 1 deletion(-)
diff --git a/cmd/bootflow.c b/cmd/bootflow.c index 5c61286a2a76..ddb168c70390 100644 --- a/cmd/bootflow.c +++ b/cmd/bootflow.c @@ -324,6 +324,12 @@ static int do_bootflow_info(struct cmd_tbl *cmdtp, int flag, int argc, printf("Buffer: %lx\n", (ulong)map_to_sysmem(bflow->buf)); printf("Size: %x (%d bytes)\n", bflow->size, bflow->size); printf("OS: %s\n", bflow->os_name ? bflow->os_name : "(none)"); + printf("Cmdline: "); + if (bflow->cmdline) + puts(bflow->cmdline); + else + puts("(none)"); + putc('\n'); printf("Logo: %s\n", bflow->logo ? simple_xtoa((ulong)map_to_sysmem(bflow->logo)) : "(none)"); if (bflow->logo) { diff --git a/doc/usage/cmd/bootflow.rst b/doc/usage/cmd/bootflow.rst index 8590efca2182..907d44ad9f9b 100644 --- a/doc/usage/cmd/bootflow.rst +++ b/doc/usage/cmd/bootflow.rst @@ -258,7 +258,6 @@ displayed and booted:: Name: mmc@7e202000.bootdev.part_2 Device: mmc@7e202000.bootdev Block dev: mmc@7e202000.blk - Sequence: 1 Method: distro State: ready Partition: 2 @@ -266,6 +265,10 @@ displayed and booted:: Filename: extlinux/extlinux.conf Buffer: 3db7ae88 Size: 232 (562 bytes) + OS: Fedora-Workstation-armhfp-31-1.9 (5.3.7-301.fc31.armv7hl) + Cmdline: (none) + Logo: (none) + FDT: <NULL> Error: 0 U-Boot> bootflow boot ** Booting bootflow 'smsc95xx_eth.bootdev.0' diff --git a/include/bootflow.h b/include/bootflow.h index 018d021b8107..a1c16ab93b75 100644 --- a/include/bootflow.h +++ b/include/bootflow.h @@ -81,6 +81,7 @@ enum bootflow_flags_t { * @fdt_size: Size of FDT file * @fdt_addr: Address of loaded fdt * @flags: Flags for the bootflow (see enum bootflow_flags_t) + * @cmdline: OS command line, or NULL if not known (allocated) */ struct bootflow { struct list_head bm_node; @@ -104,6 +105,7 @@ struct bootflow { int fdt_size; ulong fdt_addr; int flags; + char *cmdline; };
/** diff --git a/test/boot/bootflow.c b/test/boot/bootflow.c index 2b5f87d7f091..f7ebf9d7f278 100644 --- a/test/boot/bootflow.c +++ b/test/boot/bootflow.c @@ -226,6 +226,7 @@ static int bootflow_cmd_info(struct unit_test_state *uts) ut_assert_nextlinen("Buffer: "); ut_assert_nextline("Size: 253 (595 bytes)"); ut_assert_nextline("OS: Fedora-Workstation-armhfp-31-1.9 (5.3.7-301.fc31.armv7hl)"); + ut_assert_nextline("Cmdline: (none)"); ut_assert_nextline("Logo: (none)"); ut_assert_nextline("FDT: <NULL>"); ut_assert_nextline("Error: 0");