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Revert "systemd: revert boot-breaking systemd-boot change"

Browse Source 
This was incorporated upstream in v256.8 as
<a9d9db7f4e>.

This reverts commit 63ce4665b2.

Fixes: 6fc6e7bce8
This commit is contained in:
Emily 2024-11-17 10:33:40 +00:00
parent 6e22df03f3
commit 19853b7953
2 changed files with 0 additions and 151 deletions
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150
pkgs/os-specific/linux/systemd/0019-Revert-boot-Make-initrd_prepare-semantically-equival.patch
View File

@ -1,150 +0,0 @@
From bc1abc37f1cf0368d9c320c9d3845154d85f66b1 Mon Sep 17 00:00:00 2001
From: Alyssa Ross <hi@alyssa.is>
Date: Mon, 11 Nov 2024 23:09:21 +0100
Subject: [PATCH] Revert "boot: Make initrd_prepare() semantically equivalent
to combine_initrds()"
This reverts commit d64193a2a652b15db9cb9ed10c6b77a17ca46cd2.
This breaks boot on Apple Silicon, and probably other platforms with no memory
mapped below 4G.
Link: https://github.com/systemd/systemd/issues/35026
---
src/boot/efi/boot.c | 60 ++++++++++++---------------------------------
1 file changed, 16 insertions(+), 44 deletions(-)
diff --git a/src/boot/efi/boot.c b/src/boot/efi/boot.c
index ecbb4e0509..f94b59db59 100644
--- a/src/boot/efi/boot.c
+++ b/src/boot/efi/boot.c
@@ -11,7 +11,6 @@
#include "initrd.h"
#include "linux.h"
#include "measure.h"
-#include "memory-util-fundamental.h"
#include "part-discovery.h"
#include "pe.h"
#include "proto/block-io.h"
@@ -2249,18 +2248,18 @@ static EFI_STATUS initrd_prepare(
EFI_FILE *root,
const BootEntry *entry,
char16_t **ret_options,
- Pages *ret_initrd_pages,
+ void **ret_initrd,
size_t *ret_initrd_size) {
assert(root);
assert(entry);
assert(ret_options);
- assert(ret_initrd_pages);
+ assert(ret_initrd);
assert(ret_initrd_size);
if (entry->type != LOADER_LINUX || !entry->initrd) {
*ret_options = NULL;
- *ret_initrd_pages = (Pages) {};
+ *ret_initrd = NULL;
*ret_initrd_size = 0;
return EFI_SUCCESS;
}
@@ -2274,6 +2273,7 @@ static EFI_STATUS initrd_prepare(
EFI_STATUS err;
size_t size = 0;
+ _cleanup_free_ uint8_t *initrd = NULL;
STRV_FOREACH(i, entry->initrd) {
_cleanup_free_ char16_t *o = options;
@@ -2292,58 +2292,30 @@ static EFI_STATUS initrd_prepare(
if (err != EFI_SUCCESS)
return err;
- if (!INC_SAFE(&size, ALIGN4(info->FileSize)))
- return EFI_OUT_OF_RESOURCES;
- }
-
- _cleanup_pages_ Pages pages = xmalloc_pages(
- AllocateMaxAddress,
- EfiLoaderData,
- EFI_SIZE_TO_PAGES(size),
- UINT32_MAX /* Below 4G boundary. */);
- uint8_t *p = PHYSICAL_ADDRESS_TO_POINTER(pages.addr);
-
- STRV_FOREACH(i, entry->initrd) {
- _cleanup_(file_closep) EFI_FILE *handle = NULL;
- err = root->Open(root, &handle, *i, EFI_FILE_MODE_READ, 0);
- if (err != EFI_SUCCESS)
- return err;
-
- _cleanup_free_ EFI_FILE_INFO *info = NULL;
- err = get_file_info(handle, &info, NULL);
- if (err != EFI_SUCCESS)
- return err;
-
if (info->FileSize == 0) /* Automatically skip over empty files */
continue;
- size_t read_size = info->FileSize;
- err = chunked_read(handle, &read_size, p);
+ size_t new_size, read_size = info->FileSize;
+ if (!ADD_SAFE(&new_size, size, read_size))
+ return EFI_OUT_OF_RESOURCES;
+ initrd = xrealloc(initrd, size, new_size);
+
+ err = chunked_read(handle, &read_size, initrd + size);
if (err != EFI_SUCCESS)
return err;
/* Make sure the actual read size is what we expected. */
- assert(read_size == info->FileSize);
- p += read_size;
-
- size_t pad;
- pad = ALIGN4(read_size) - read_size;
- if (pad == 0)
- continue;
-
- memzero(p, pad);
- p += pad;
+ assert(size + read_size == new_size);
+ size = new_size;
}
- assert(PHYSICAL_ADDRESS_TO_POINTER(pages.addr + size) == p);
-
if (entry->options) {
_cleanup_free_ char16_t *o = options;
options = xasprintf("%ls %ls", o, entry->options);
}
*ret_options = TAKE_PTR(options);
- *ret_initrd_pages = TAKE_STRUCT(pages);
+ *ret_initrd = TAKE_PTR(initrd);
*ret_initrd_size = size;
return EFI_SUCCESS;
}
@@ -2373,9 +2345,9 @@ static EFI_STATUS image_start(
return log_error_status(err, "Error making file device path: %m");
size_t initrd_size = 0;
- _cleanup_pages_ Pages initrd_pages = {};
+ _cleanup_free_ void *initrd = NULL;
_cleanup_free_ char16_t *options_initrd = NULL;
- err = initrd_prepare(image_root, entry, &options_initrd, &initrd_pages, &initrd_size);
+ err = initrd_prepare(image_root, entry, &options_initrd, &initrd, &initrd_size);
if (err != EFI_SUCCESS)
return log_error_status(err, "Error preparing initrd: %m");
@@ -2393,7 +2365,7 @@ static EFI_STATUS image_start(
}
_cleanup_(cleanup_initrd) EFI_HANDLE initrd_handle = NULL;
- err = initrd_register(PHYSICAL_ADDRESS_TO_POINTER(initrd_pages.addr), initrd_size, &initrd_handle);
+ err = initrd_register(initrd, initrd_size, &initrd_handle);
if (err != EFI_SUCCESS)
return log_error_status(err, "Error registering initrd: %m");
--
2.47.0

1
pkgs/os-specific/linux/systemd/default.nix
View File

@ -232,7 +232,6 @@ stdenv.mkDerivation (finalAttrs: {
./0015-tpm2_context_init-fix-driver-name-checking.patch
./0016-systemctl-edit-suggest-systemdctl-edit-runtime-on-sy.patch
./0017-meson.build-do-not-create-systemdstatedir.patch
./0019-Revert-boot-Make-initrd_prepare-semantically-equival.patch
# https://github.com/systemd/systemd/issues/33392
(fetchpatch2 {