summaryrefslogtreecommitdiff
path: root/scripts
diff options
context:
space:
mode:
Diffstat (limited to 'scripts')
-rw-r--r--scripts/Kconfig.include3
-rw-r--r--scripts/Makefile.compiler14
-rw-r--r--scripts/Makefile.dtbs4
-rw-r--r--scripts/Makefile.package7
-rw-r--r--scripts/include/list.h50
-rw-r--r--scripts/kconfig/expr.c1
-rw-r--r--scripts/kconfig/menu.c13
-rw-r--r--scripts/kconfig/parser.y10
-rw-r--r--scripts/kconfig/qconf.cc6
-rw-r--r--scripts/mod/file2alias.c12
-rw-r--r--scripts/mod/sumversion.c5
-rwxr-xr-xscripts/package/builddeb3
-rwxr-xr-xscripts/package/install-extmod-build6
-rwxr-xr-xscripts/package/mkdebian10
-rwxr-xr-xscripts/rustc-llvm-version.sh22
15 files changed, 136 insertions, 30 deletions
diff --git a/scripts/Kconfig.include b/scripts/Kconfig.include
index 785a491e5996..33193ca6e803 100644
--- a/scripts/Kconfig.include
+++ b/scripts/Kconfig.include
@@ -65,6 +65,9 @@ cc-option-bit = $(if-success,$(CC) -Werror $(1) -E -x c /dev/null -o /dev/null,$
m32-flag := $(cc-option-bit,-m32)
m64-flag := $(cc-option-bit,-m64)
+rustc-version := $(shell,$(srctree)/scripts/rustc-version.sh $(RUSTC))
+rustc-llvm-version := $(shell,$(srctree)/scripts/rustc-llvm-version.sh $(RUSTC))
+
# $(rustc-option,<flag>)
# Return y if the Rust compiler supports <flag>, n otherwise
# Calls to this should be guarded so that they are not evaluated if
diff --git a/scripts/Makefile.compiler b/scripts/Makefile.compiler
index 057305eae85c..e0842496d26e 100644
--- a/scripts/Makefile.compiler
+++ b/scripts/Makefile.compiler
@@ -53,13 +53,11 @@ cc-option = $(call __cc-option, $(CC),\
# cc-option-yn
# Usage: flag := $(call cc-option-yn,-march=winchip-c6)
-cc-option-yn = $(call try-run,\
- $(CC) -Werror $(KBUILD_CPPFLAGS) $(KBUILD_CFLAGS) $(1) -c -x c /dev/null -o "$$TMP",y,n)
+cc-option-yn = $(if $(call cc-option,$1),y,n)
# cc-disable-warning
# Usage: cflags-y += $(call cc-disable-warning,unused-but-set-variable)
-cc-disable-warning = $(call try-run,\
- $(CC) -Werror $(KBUILD_CPPFLAGS) $(KBUILD_CFLAGS) -W$(strip $(1)) -c -x c /dev/null -o "$$TMP",-Wno-$(strip $(1)))
+cc-disable-warning = $(if $(call cc-option,-W$(strip $1)),-Wno-$(strip $1))
# gcc-min-version
# Usage: cflags-$(call gcc-min-version, 70100) += -foo
@@ -75,8 +73,11 @@ ld-option = $(call try-run, $(LD) $(KBUILD_LDFLAGS) $(1) -v,$(1),$(2),$(3))
# __rustc-option
# Usage: MY_RUSTFLAGS += $(call __rustc-option,$(RUSTC),$(MY_RUSTFLAGS),-Cinstrument-coverage,-Zinstrument-coverage)
+# TODO: remove RUSTC_BOOTSTRAP=1 when we raise the minimum GNU Make version to 4.4
__rustc-option = $(call try-run,\
- $(1) $(2) $(3) --crate-type=rlib /dev/null --out-dir=$$TMPOUT -o "$$TMP",$(3),$(4))
+ echo '#![allow(missing_docs)]#![feature(no_core)]#![no_core]' | RUSTC_BOOTSTRAP=1\
+ $(1) --sysroot=/dev/null $(filter-out --sysroot=/dev/null,$(2)) $(3)\
+ --crate-type=rlib --out-dir=$(TMPOUT) --emit=obj=- - >/dev/null,$(3),$(4))
# rustc-option
# Usage: rustflags-y += $(call rustc-option,-Cinstrument-coverage,-Zinstrument-coverage)
@@ -85,5 +86,4 @@ rustc-option = $(call __rustc-option, $(RUSTC),\
# rustc-option-yn
# Usage: flag := $(call rustc-option-yn,-Cinstrument-coverage)
-rustc-option-yn = $(call try-run,\
- $(RUSTC) $(KBUILD_RUSTFLAGS) $(1) --crate-type=rlib /dev/null --out-dir=$$TMPOUT -o "$$TMP",y,n)
+rustc-option-yn = $(if $(call rustc-option,$1),y,n)
diff --git a/scripts/Makefile.dtbs b/scripts/Makefile.dtbs
index 46009d5f1486..8d56c0815f33 100644
--- a/scripts/Makefile.dtbs
+++ b/scripts/Makefile.dtbs
@@ -34,12 +34,14 @@ $(obj)/dtbs-list: $(dtb-y) FORCE
# Assembly file to wrap dtb(o)
# ---------------------------------------------------------------------------
+builtin-dtb-section = $(if $(filter arch/$(SRCARCH)/boot/dts%, $(obj)),.dtb.init.rodata,.rodata)
+
# Generate an assembly file to wrap the output of the device tree compiler
quiet_cmd_wrap_S_dtb = WRAP $@
cmd_wrap_S_dtb = { \
symbase=__$(patsubst .%,%,$(suffix $<))_$(subst -,_,$(notdir $*)); \
echo '\#include <asm-generic/vmlinux.lds.h>'; \
- echo '.section .dtb.init.rodata,"a"'; \
+ echo '.section $(builtin-dtb-section),"a"'; \
echo '.balign STRUCT_ALIGNMENT'; \
echo ".global $${symbase}_begin"; \
echo "$${symbase}_begin:"; \
diff --git a/scripts/Makefile.package b/scripts/Makefile.package
index 11d53f240a2b..74bcb9e7f7a4 100644
--- a/scripts/Makefile.package
+++ b/scripts/Makefile.package
@@ -62,6 +62,10 @@ rpm-sources: linux.tar.gz
PHONY += rpm-pkg srcrpm-pkg binrpm-pkg
+ifneq ($(CC),$(HOSTCC))
+rpm-no-devel = --without=devel
+endif
+
rpm-pkg: private build-type := a
srcrpm-pkg: private build-type := s
binrpm-pkg: private build-type := b
@@ -72,7 +76,8 @@ rpm-pkg srcrpm-pkg binrpm-pkg: rpmbuild/SPECS/kernel.spec
--define='_topdir $(abspath rpmbuild)' \
$(if $(filter a b, $(build-type)), \
--target $(UTS_MACHINE)-linux --build-in-place --noprep --define='_smp_mflags %{nil}' \
- $$(rpm -q rpm >/dev/null 2>&1 || echo --nodeps)) \
+ $$(rpm -q rpm >/dev/null 2>&1 || echo --nodeps) \
+ $(rpm-no-devel)) \
$(RPMOPTS))
# deb-pkg srcdeb-pkg bindeb-pkg
diff --git a/scripts/include/list.h b/scripts/include/list.h
index fea1e2b79063..8bdcaadca709 100644
--- a/scripts/include/list.h
+++ b/scripts/include/list.h
@@ -128,6 +128,36 @@ static inline void list_del(struct list_head *entry)
}
/**
+ * list_replace - replace old entry by new one
+ * @old : the element to be replaced
+ * @new : the new element to insert
+ *
+ * If @old was empty, it will be overwritten.
+ */
+static inline void list_replace(struct list_head *old,
+ struct list_head *new)
+{
+ new->next = old->next;
+ new->next->prev = new;
+ new->prev = old->prev;
+ new->prev->next = new;
+}
+
+/**
+ * list_replace_init - replace old entry by new one and initialize the old one
+ * @old : the element to be replaced
+ * @new : the new element to insert
+ *
+ * If @old was empty, it will be overwritten.
+ */
+static inline void list_replace_init(struct list_head *old,
+ struct list_head *new)
+{
+ list_replace(old, new);
+ INIT_LIST_HEAD(old);
+}
+
+/**
* list_move - delete from one list and add as another's head
* @list: the entry to move
* @head: the head that will precede our entry
@@ -151,6 +181,26 @@ static inline void list_move_tail(struct list_head *list,
}
/**
+ * list_is_first -- tests whether @list is the first entry in list @head
+ * @list: the entry to test
+ * @head: the head of the list
+ */
+static inline int list_is_first(const struct list_head *list, const struct list_head *head)
+{
+ return list->prev == head;
+}
+
+/**
+ * list_is_last - tests whether @list is the last entry in list @head
+ * @list: the entry to test
+ * @head: the head of the list
+ */
+static inline int list_is_last(const struct list_head *list, const struct list_head *head)
+{
+ return list->next == head;
+}
+
+/**
* list_is_head - tests whether @list is the list @head
* @list: the entry to test
* @head: the head of the list
diff --git a/scripts/kconfig/expr.c b/scripts/kconfig/expr.c
index 78738ef412de..16f92c4a775a 100644
--- a/scripts/kconfig/expr.c
+++ b/scripts/kconfig/expr.c
@@ -47,6 +47,7 @@ static struct expr *expr_lookup(enum expr_type type, void *l, void *r)
e->type = type;
e->left._initdata = l;
e->right._initdata = r;
+ e->val_is_valid = false;
hash_add(expr_hashtable, &e->node, hash);
diff --git a/scripts/kconfig/menu.c b/scripts/kconfig/menu.c
index 4addd33749bb..6587ac86d0d5 100644
--- a/scripts/kconfig/menu.c
+++ b/scripts/kconfig/menu.c
@@ -533,6 +533,7 @@ bool menu_is_empty(struct menu *menu)
bool menu_is_visible(struct menu *menu)
{
+ struct menu *child;
struct symbol *sym;
tristate visible;
@@ -551,7 +552,17 @@ bool menu_is_visible(struct menu *menu)
} else
visible = menu->prompt->visible.tri = expr_calc_value(menu->prompt->visible.expr);
- return visible != no;
+ if (visible != no)
+ return true;
+
+ if (!sym || sym_get_tristate_value(menu->sym) == no)
+ return false;
+
+ for (child = menu->list; child; child = child->next)
+ if (menu_is_visible(child))
+ return true;
+
+ return false;
}
const char *menu_get_prompt(const struct menu *menu)
diff --git a/scripts/kconfig/parser.y b/scripts/kconfig/parser.y
index 1ad60f9e164e..bc43fb67c7c4 100644
--- a/scripts/kconfig/parser.y
+++ b/scripts/kconfig/parser.y
@@ -159,8 +159,14 @@ config_stmt: config_entry_start config_option_list
yynerrs++;
}
- list_add_tail(&current_entry->sym->choice_link,
- &current_choice->choice_members);
+ /*
+ * If the same symbol appears twice in a choice block, the list
+ * node would be added twice, leading to a broken linked list.
+ * list_empty() ensures that this symbol has not yet added.
+ */
+ if (list_empty(&current_entry->sym->choice_link))
+ list_add_tail(&current_entry->sym->choice_link,
+ &current_choice->choice_members);
}
printd(DEBUG_PARSE, "%s:%d:endconfig\n", cur_filename, cur_lineno);
diff --git a/scripts/kconfig/qconf.cc b/scripts/kconfig/qconf.cc
index 97fce13e551e..e260cab1c2af 100644
--- a/scripts/kconfig/qconf.cc
+++ b/scripts/kconfig/qconf.cc
@@ -1166,7 +1166,7 @@ void ConfigInfoView::clicked(const QUrl &url)
{
QByteArray str = url.toEncoded();
const std::size_t count = str.size();
- char *data = new char[count + 1];
+ char *data = new char[count + 2]; // '$' + '\0'
struct symbol **result;
struct menu *m = NULL;
@@ -1505,6 +1505,8 @@ ConfigMainWindow::ConfigMainWindow(void)
connect(helpText, &ConfigInfoView::menuSelected,
this, &ConfigMainWindow::setMenuLink);
+ conf_read(NULL);
+
QString listMode = configSettings->value("/listMode", "symbol").toString();
if (listMode == "single")
showSingleView();
@@ -1906,8 +1908,6 @@ int main(int ac, char** av)
configApp->connect(configApp, SIGNAL(lastWindowClosed()), SLOT(quit()));
configApp->connect(configApp, SIGNAL(aboutToQuit()), v, SLOT(saveSettings()));
- conf_read(NULL);
-
v->show();
configApp->exec();
diff --git a/scripts/mod/file2alias.c b/scripts/mod/file2alias.c
index 99dce93a4188..c4cc11aa558f 100644
--- a/scripts/mod/file2alias.c
+++ b/scripts/mod/file2alias.c
@@ -567,12 +567,12 @@ static int do_acpi_entry(const char *filename,
void *symval, char *alias)
{
DEF_FIELD_ADDR(symval, acpi_device_id, id);
- DEF_FIELD_ADDR(symval, acpi_device_id, cls);
- DEF_FIELD_ADDR(symval, acpi_device_id, cls_msk);
+ DEF_FIELD(symval, acpi_device_id, cls);
+ DEF_FIELD(symval, acpi_device_id, cls_msk);
if (id && strlen((const char *)*id))
sprintf(alias, "acpi*:%s:*", *id);
- else if (cls) {
+ else {
int i, byte_shift, cnt = 0;
unsigned int msk;
@@ -580,10 +580,10 @@ static int do_acpi_entry(const char *filename,
cnt = 6;
for (i = 1; i <= 3; i++) {
byte_shift = 8 * (3-i);
- msk = (*cls_msk >> byte_shift) & 0xFF;
+ msk = (cls_msk >> byte_shift) & 0xFF;
if (msk)
sprintf(&alias[cnt], "%02x",
- (*cls >> byte_shift) & 0xFF);
+ (cls >> byte_shift) & 0xFF);
else
sprintf(&alias[cnt], "??");
cnt += 2;
@@ -743,7 +743,7 @@ static void do_input(char *alias,
for (i = min / BITS_PER_LONG; i < max / BITS_PER_LONG + 1; i++)
arr[i] = TO_NATIVE(arr[i]);
for (i = min; i < max; i++)
- if (arr[i / BITS_PER_LONG] & (1L << (i%BITS_PER_LONG)))
+ if (arr[i / BITS_PER_LONG] & (1ULL << (i%BITS_PER_LONG)))
sprintf(alias + strlen(alias), "%X,*", i);
}
diff --git a/scripts/mod/sumversion.c b/scripts/mod/sumversion.c
index e7d2da45b0df..6de9af17599d 100644
--- a/scripts/mod/sumversion.c
+++ b/scripts/mod/sumversion.c
@@ -392,7 +392,7 @@ out_file:
/* Calc and record src checksum. */
void get_src_version(const char *modname, char sum[], unsigned sumlen)
{
- char *buf;
+ char *buf, *pos;
struct md4_ctx md;
char *fname;
char filelist[PATH_MAX + 1];
@@ -401,9 +401,10 @@ void get_src_version(const char *modname, char sum[], unsigned sumlen)
snprintf(filelist, sizeof(filelist), "%s.mod", modname);
buf = read_text_file(filelist);
+ pos = buf;
md4_init(&md);
- while ((fname = strsep(&buf, "\n"))) {
+ while ((fname = strsep(&pos, "\n"))) {
if (!*fname)
continue;
if (!(is_static_library(fname)) &&
diff --git a/scripts/package/builddeb b/scripts/package/builddeb
index c1757db6aa8a..441b0bb66e0d 100755
--- a/scripts/package/builddeb
+++ b/scripts/package/builddeb
@@ -74,7 +74,6 @@ install_linux_image () {
mkdir -p "${pdir}/DEBIAN"
cat <<-EOF > "${pdir}/DEBIAN/${script}"
-
#!/bin/sh
set -e
@@ -124,7 +123,7 @@ install_kernel_headers () {
pdir=debian/$1
version=${1#linux-headers-}
- "${srctree}/scripts/package/install-extmod-build" "${pdir}/usr/src/linux-headers-${version}"
+ CC="${DEB_HOST_GNU_TYPE}-gcc" "${srctree}/scripts/package/install-extmod-build" "${pdir}/usr/src/linux-headers-${version}"
mkdir -p $pdir/lib/modules/$version/
ln -s /usr/src/linux-headers-$version $pdir/lib/modules/$version/build
diff --git a/scripts/package/install-extmod-build b/scripts/package/install-extmod-build
index d2c9cacecc0c..7ec1f061a519 100755
--- a/scripts/package/install-extmod-build
+++ b/scripts/package/install-extmod-build
@@ -44,13 +44,11 @@ mkdir -p "${destdir}"
fi
} | tar -c -f - -T - | tar -xf - -C "${destdir}"
-# When ${CC} and ${HOSTCC} differ, we are likely cross-compiling. Rebuild host
-# programs using ${CC}. This assumes CC=${CROSS_COMPILE}gcc, which is usually
-# the case for package building. It does not cross-compile when CC=clang.
+# When ${CC} and ${HOSTCC} differ, rebuild host programs using ${CC}.
#
# This caters to host programs that participate in Kbuild. objtool and
# resolve_btfids are out of scope.
-if [ "${CC}" != "${HOSTCC}" ] && is_enabled CONFIG_CC_CAN_LINK; then
+if [ "${CC}" != "${HOSTCC}" ]; then
echo "Rebuilding host programs with ${CC}..."
cat <<-'EOF' > "${destdir}/Kbuild"
diff --git a/scripts/package/mkdebian b/scripts/package/mkdebian
index 10637d403777..fc3b7fa709fc 100755
--- a/scripts/package/mkdebian
+++ b/scripts/package/mkdebian
@@ -179,6 +179,8 @@ fi
echo $debarch > debian/arch
+host_gnu=$(dpkg-architecture -a "${debarch}" -q DEB_HOST_GNU_TYPE | sed 's/_/-/g')
+
# Generate a simple changelog template
cat <<EOF > debian/changelog
$sourcename ($packageversion) $distribution; urgency=low
@@ -196,7 +198,11 @@ Priority: optional
Maintainer: $maintainer
Rules-Requires-Root: no
Build-Depends: debhelper-compat (= 12)
-Build-Depends-Arch: bc, bison, cpio, flex, kmod, libelf-dev:native, libssl-dev:native, rsync
+Build-Depends-Arch: bc, bison, cpio, flex,
+ gcc-${host_gnu} <!pkg.${sourcename}.nokernelheaders>,
+ kmod, libelf-dev:native,
+ libssl-dev:native, libssl-dev <!pkg.${sourcename}.nokernelheaders>,
+ rsync
Homepage: https://www.kernel.org/
Package: $packagename-$version
@@ -224,6 +230,7 @@ cat <<EOF >> debian/control
Package: linux-headers-$version
Architecture: $debarch
+Build-Profiles: <!pkg.${sourcename}.nokernelheaders>
Description: Linux kernel headers for $version on $debarch
This package provides kernel header files for $version on $debarch
.
@@ -238,6 +245,7 @@ cat <<EOF >> debian/control
Package: linux-image-$version-dbg
Section: debug
Architecture: $debarch
+Build-Profiles: <!pkg.${sourcename}.nokerneldbg>
Description: Linux kernel debugging symbols for $version
This package will come in handy if you need to debug the kernel. It provides
all the necessary debug symbols for the kernel and its modules.
diff --git a/scripts/rustc-llvm-version.sh b/scripts/rustc-llvm-version.sh
new file mode 100755
index 000000000000..a500d1ae3101
--- /dev/null
+++ b/scripts/rustc-llvm-version.sh
@@ -0,0 +1,22 @@
+#!/bin/sh
+# SPDX-License-Identifier: GPL-2.0
+#
+# Usage: $ ./rustc-llvm-version.sh rustc
+#
+# Print the LLVM version that the Rust compiler uses in a 6 digit form.
+
+# Convert the version string x.y.z to a canonical up-to-6-digits form.
+get_canonical_version()
+{
+ IFS=.
+ set -- $1
+ echo $((10000 * $1 + 100 * $2 + $3))
+}
+
+if output=$("$@" --version --verbose 2>/dev/null | grep -E 'LLVM.*[0-9]+\.[0-9]+\.[0-9]+'); then
+ set -- $output
+ get_canonical_version $3
+else
+ echo 0
+ exit 1
+fi
generated by cgit (git 2.34.1) at 2025-04-22 03:27:57 +0000