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boot: Update pxe_getfile_func() to support reservation

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In some cases we don't have a particular address to read into so would
like one reserved. Adjust this function to support that.

For now, sysbot_read_file() fails if the address is not provided. This
will be resolved in a later patch.

Signed-off-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
Simon Glass
2025-08-07 04:30:23 -06:00
parent c545f0762b
commit 5ead77edd5
7 changed files with 29 additions and 35 deletions
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11
cmd/sysboot.c
View File

@@ -23,19 +23,20 @@ struct sysboot_info {
};
static int sysboot_read_file(struct pxe_context *ctx, const char *file_path,
char *file_addr, enum bootflow_img_t type,
ulong *sizep)
ulong *addrp, ulong align,
enum bootflow_img_t type, ulong *sizep)
{
struct sysboot_info *info = ctx->userdata;
loff_t len_read;
ulong addr;
int ret;
addr = simple_strtoul(file_addr, NULL, 16);
if (!*addrp)
return -ENOTSUPP;
ret = fs_set_blk_dev(info->ifname, info->dev_part_str, info->fstype);
if (ret)
return ret;
ret = fs_legacy_read(file_path, addr, 0, 0, &len_read);
ret = fs_legacy_read(file_path, *addrp, 0, 0, &len_read);
if (ret)
return ret;
*sizep = len_read;