Finish off the implementation so it is possible to boot an EFI app over a network.
Signed-off-by: Simon Glass sjg@chromium.org ---
Changes in v2: - Add new patch to support PXE booting
boot/bootmeth_efi.c | 15 +-------------- lib/efi_loader/efi_bootbin.c | 5 ++++- 2 files changed, 5 insertions(+), 15 deletions(-)
diff --git a/boot/bootmeth_efi.c b/boot/bootmeth_efi.c index b745ba8bd4b..0c9b4c3d59d 100644 --- a/boot/bootmeth_efi.c +++ b/boot/bootmeth_efi.c @@ -210,6 +210,7 @@ static int distro_efi_read_bootflow_net(struct bootflow *bflow) if (size <= 0) return log_msg_ret("sz", -EINVAL); bflow->size = size; + bflow->buf = map_sysmem(addr, size);
/* bootfile should be setup by dhcp */ bootfile_name = env_get("bootfile"); @@ -219,10 +220,6 @@ static int distro_efi_read_bootflow_net(struct bootflow *bflow) if (!bflow->fname) return log_msg_ret("fi0", -ENOMEM);
- /* do the hideous EFI hack */ - efi_set_bootdev("Net", "", bflow->fname, map_sysmem(addr, 0), - bflow->size); - /* read the DT file also */ fdt_addr_str = env_get("fdt_addr_r"); if (!fdt_addr_str) @@ -296,16 +293,6 @@ static int distro_efi_boot(struct udevice *dev, struct bootflow *bflow) if (bflow->flags & ~BOOTFLOWF_USE_BUILTIN_FDT) fdt = bflow->fdt_addr;
- } else { - /* - * This doesn't actually work for network devices: - * - * do_bootefi_image() No UEFI binary known at 0x02080000 - * - * But this is the same behaviour for distro boot, so it can be - * fixed here. - */ - fdt = env_get_hex("fdt_addr_r", 0); }
if (efi_bootflow_run(bflow)) diff --git a/lib/efi_loader/efi_bootbin.c b/lib/efi_loader/efi_bootbin.c index 8efd779d9f1..d02c254c2bd 100644 --- a/lib/efi_loader/efi_bootbin.c +++ b/lib/efi_loader/efi_bootbin.c @@ -270,6 +270,9 @@ static const char *calc_dev_name(struct bootflow *bflow) media_dev = dev_get_parent(bflow->dev);
if (!bflow->blk) { + if (device_get_uclass_id(media_dev) == UCLASS_ETH) + return "Net"; + log_err("Cannot boot EFI app on media '%s'\n", dev_get_uclass_name(media_dev));
@@ -310,7 +313,7 @@ efi_status_t efi_bootflow_run(struct bootflow *bflow) ret = calculate_paths(dev_name, devnum_str, bflow->fname, &device, &image); if (ret) - return ret; + return EFI_UNSUPPORTED;
if (bflow->flags & BOOTFLOWF_USE_BUILTIN_FDT) { log_debug("Booting with built-in fdt\n");