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bootstd: Use hunters when scanning for bootflows

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Add a flag to control whether hunters are used when scanning for
bootflows. Enable it by default and tidy up the flag comments a little.

Fow now this has no effect, until a future patch enables this feature.

Signed-off-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
Simon Glass
2023-01-17 10:48:06 -07:00
committed by Tom Rini
parent d9f48579dc
commit d73420e4fe
2 changed files with 20 additions and 6 deletions
Download Patch File Download Diff File Expand all files Collapse all files

5
cmd/bootflow.c
View File

@@ -96,7 +96,7 @@ static int do_bootflow_scan(struct cmd_tbl *cmdtp, int flag, int argc,
struct udevice *dev;
struct bootflow bflow;
bool all = false, boot = false, errors = false, no_global = false;
bool list = false;
bool list = false, no_hunter = false;
int num_valid = 0;
bool has_args;
int ret, i;
@@ -115,6 +115,7 @@ static int do_bootflow_scan(struct cmd_tbl *cmdtp, int flag, int argc,
errors = strchr(argv[1], 'e');
no_global = strchr(argv[1], 'G');
list = strchr(argv[1], 'l');
no_hunter = strchr(argv[1], 'H');
argc--;
argv++;
}
@@ -141,6 +142,8 @@ static int do_bootflow_scan(struct cmd_tbl *cmdtp, int flag, int argc,
flags |= BOOTFLOWF_ALL;
if (no_global)
flags |= BOOTFLOWF_SKIP_GLOBAL;
if (!no_hunter)
flags |= BOOTFLOWF_HUNT;
/*
* If we have a device, just scan for bootflows attached to that device

21
include/bootflow.h
View File

@@ -91,17 +91,28 @@ struct bootflow {
* enum bootflow_flags_t - flags for the bootflow iterator
*
* @BOOTFLOWF_FIXED: Only used fixed/internal media
* @BOOTFLOWF_SHOW: Show each bootdev before scanning it
* @BOOTFLOWF_SHOW: Show each bootdev before scanning it; show each hunter
* before using it
* @BOOTFLOWF_ALL: Return bootflows with errors as well
* @BOOTFLOWF_SINGLE_DEV: Just scan one bootmeth
* @BOOTFLOWF_SKIP_GLOBAL: Don't scan global bootmeths
* @BOOTFLOWF_HUNT: Hunt for new bootdevs using the bootdrv hunters
*
* Internal flags:
* @BOOTFLOWF_SINGLE_DEV: (internal) Just scan one bootdev
* @BOOTFLOWF_SKIP_GLOBAL: (internal) Don't scan global bootmeths
* this uclass
*/
enum bootflow_flags_t {
BOOTFLOWF_FIXED = 1 << 0,
BOOTFLOWF_SHOW = 1 << 1,
BOOTFLOWF_ALL = 1 << 2,
BOOTFLOWF_SINGLE_DEV = 1 << 3,
BOOTFLOWF_SKIP_GLOBAL = 1 << 4,
BOOTFLOWF_HUNT = 1 << 3,
/*
* flags used internally by standard boot - do not set these when
* calling bootflow_scan_bootdev() etc.
*/
BOOTFLOWF_SINGLE_DEV = 1 << 16,
BOOTFLOWF_SKIP_GLOBAL = 1 << 17,
};
/**