diff options
| author | Simon Glass <[email protected]> | 2022-07-30 15:52:19 -0600 |
|---|---|---|
| committer | Tom Rini <[email protected]> | 2022-08-12 08:14:24 -0400 |
| commit | 988cacaeedae920c13741c9ab2fc580f63a06c3a (patch) | |
| tree | 5b2d7bc4a9a821179fd89658252469405f0cc747 /boot | |
| parent | 10d16faa436c9f06bbcdeb6da35871a1b329b6b0 (diff) | |
bootstd: Provide a bootmeth method to obtain state info
Some bootmeths can provide information about what is available to boot.
For example, VBE simple provides access to the firmware state.
Add a new method for this, along with a sandbox test.
Signed-off-by: Simon Glass <[email protected]>
Diffstat (limited to 'boot')
| -rw-r--r-- | boot/bootmeth-uclass.c | 10 | ||||
| -rw-r--r-- | boot/bootmeth_distro.c | 14 |
2 files changed, 24 insertions, 0 deletions
diff --git a/boot/bootmeth-uclass.c b/boot/bootmeth-uclass.c index b8ba4eca7ab..1e276c0f26b 100644 --- a/boot/bootmeth-uclass.c +++ b/boot/bootmeth-uclass.c @@ -20,6 +20,16 @@ DECLARE_GLOBAL_DATA_PTR; +int bootmeth_get_state_desc(struct udevice *dev, char *buf, int maxsize) +{ + const struct bootmeth_ops *ops = bootmeth_get_ops(dev); + + if (!ops->get_state_desc) + return -ENOSYS; + + return ops->get_state_desc(dev, buf, maxsize); +} + int bootmeth_check(struct udevice *dev, struct bootflow_iter *iter) { const struct bootmeth_ops *ops = bootmeth_get_ops(dev); diff --git a/boot/bootmeth_distro.c b/boot/bootmeth_distro.c index 2b41e654ade..fea09b2c2fb 100644 --- a/boot/bootmeth_distro.c +++ b/boot/bootmeth_distro.c @@ -22,6 +22,19 @@ #include <mmc.h> #include <pxe_utils.h> +static int distro_get_state_desc(struct udevice *dev, char *buf, int maxsize) +{ + if (IS_ENABLED(CONFIG_SANDBOX)) { + int len; + + len = snprintf(buf, maxsize, "OK"); + + return len + 1 < maxsize ? 0 : -ENOSPC; + } + + return 0; +} + static int disto_getfile(struct pxe_context *ctx, const char *file_path, char *file_addr, ulong *sizep) { @@ -123,6 +136,7 @@ static int distro_bootmeth_bind(struct udevice *dev) } static struct bootmeth_ops distro_bootmeth_ops = { + .get_state_desc = distro_get_state_desc, .check = distro_check, .read_bootflow = distro_read_bootflow, .read_file = bootmeth_common_read_file, |