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bootstd: Drop the system bootdev

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This was a work-around for the fact that global bootmeths such as EFI
bootmgr and VBE don't use a particular bootdev, or at least select it
themselves so that we don't need to scan all bootdevs when using that
bootmeth.

Drop the system bootdev entirely.

Signed-off-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
Simon Glass 2022-07-30 15:52:29 -06:00 committed by Tom Rini
parent bd18b69de1
commit 2ff5490d7d
4 changed files with 2 additions and 79 deletions
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2
boot/Makefile
View file

@ -18,7 +18,7 @@ obj-y += image.o image-board.o
obj-$(CONFIG_ANDROID_AB) += android_ab.o
obj-$(CONFIG_ANDROID_BOOT_IMAGE) += image-android.o image-android-dt.o
obj-$(CONFIG_$(SPL_TPL_)BOOTSTD) += bootdev-uclass.o system_bootdev.o
obj-$(CONFIG_$(SPL_TPL_)BOOTSTD) += bootdev-uclass.o
obj-$(CONFIG_$(SPL_TPL_)BOOTSTD) += bootflow.o
obj-$(CONFIG_$(SPL_TPL_)BOOTSTD) += bootmeth-uclass.o
obj-$(CONFIG_$(SPL_TPL_)BOOTSTD) += bootstd-uclass.o

6
boot/bootstd-uclass.c
View file

@ -145,12 +145,6 @@ int dm_scan_other(bool pre_reloc_only)
}
}
/* Create the system bootdev too */
ret = device_bind_driver(bootstd, "system_bootdev", "system-bootdev",
&dev);
if (ret)
return log_msg_ret("sys", ret);
return 0;
}

66
boot/system_bootdev.c
View file

@ -1,66 +0,0 @@
// SPDX-License-Identifier: GPL-2.0+
/*
* Bootdevice for system, used for bootmeths not tied to any partition device
*
* Copyright 2021 Google LLC
* Written by Simon Glass <sjg@chromium.org>
*/
#define LOG_CATEGORY UCLASS_BOOTSTD
#include <common.h>
#include <bootdev.h>
#include <bootflow.h>
#include <bootmeth.h>
#include <command.h>
#include <distro.h>
#include <dm.h>
#include <log.h>
#include <net.h>
static int system_get_bootflow(struct udevice *dev, struct bootflow_iter *iter,
struct bootflow *bflow)
{
int ret;
/* Must be an bootstd device */
ret = bootflow_iter_uses_system(iter);
if (ret)
return log_msg_ret("net", ret);
ret = bootmeth_check(bflow->method, iter);
if (ret)
return log_msg_ret("check", ret);
ret = bootmeth_read_bootflow(bflow->method, bflow);
if (ret)
return log_msg_ret("method", ret);
return 0;
}
static int system_bootdev_bind(struct udevice *dev)
{
struct bootdev_uc_plat *ucp = dev_get_uclass_plat(dev);
ucp->prio = BOOTDEVP_6_SYSTEM;
return 0;
}
struct bootdev_ops system_bootdev_ops = {
.get_bootflow = system_get_bootflow,
};
static const struct udevice_id system_bootdev_ids[] = {
{ .compatible = "u-boot,bootdev-system" },
{ }
};
U_BOOT_DRIVER(system_bootdev) = {
.name = "system_bootdev",
.id = UCLASS_BOOTDEV,
.ops = &system_bootdev_ops,
.bind = system_bootdev_bind,
.of_match = system_bootdev_ids,
};

7
test/boot/bootflow.c
View file

@ -12,7 +12,6 @@
#include <bootstd.h>
#include <dm.h>
#include <asm/test.h>
#include <dm/device-internal.h>
#include <dm/lists.h>
#include <test/suites.h>
#include <test/ut.h>
@ -337,7 +336,7 @@ static int bootflow_system(struct unit_test_state *uts)
ut_assert_skip_to_line(
" 0 efi_mgr ready (none) 0 <NULL> <NULL>");
ut_assert_skip_to_line("No more bootdevs");
ut_assert_skip_to_line("(6 bootflows, 6 valid)");
ut_assert_skip_to_line("(5 bootflows, 5 valid)");
ut_assert_console_end();
return 0;
@ -358,10 +357,6 @@ static int bootflow_iter_disable(struct unit_test_state *uts)
ut_assertok(device_bind_driver(bootstd, "bootmeth_sandbox", "sandbox",
&dev));
/* Add the system bootdev that it uses */
ut_assertok(device_bind_driver(bootstd, "system_bootdev",
"system-bootdev", &dev));
ut_assertok(bootstd_test_drop_bootdev_order(uts));
bootstd_clear_glob();