ports: tar and xz

kernel-src/include/kernel/vmm.h

@@ -11,16 +11,13 @@
 #define VMM_FLAGS_FILE     8
 #define VMM_FLAGS_EXACT   16
 #define VMM_FLAGS_SHARED  32
-#define VMM_FLAGS_COPY    64
 
-#define VMM_PERMANENT_FLAGS_MASK (VMM_FLAGS_FILE | VMM_FLAGS_SHARED | VMM_FLAGS_COPY)
+#define VMM_PERMANENT_FLAGS_MASK (VMM_FLAGS_FILE | VMM_FLAGS_SHARED)
 
 #define VMM_ACTION_READ 1
 #define VMM_ACTION_WRITE 2
 #define VMM_ACTION_EXEC 4
 
-#define VMM_DESTROY_FLAGS_NOSYNC 1
-
 typedef struct {
 	vnode_t *node;
 	uintmax_t offset;

kernel-src/mm/vmm.c

@@ -206,7 +206,6 @@ static void insertrange(vmmspace_t *space, vmmrange_t *newrange) {
 
 static void destroyrange(vmmrange_t *range, uintmax_t _offset, size_t size, int flags) {
 	uintmax_t top = _offset + size;
-	__assert(!(range->flags & VMM_FLAGS_COPY)); // TODO unimplemented
 
 	for (uintmax_t offset = _offset; offset < top; offset += PAGE_SIZE) {
 		void *vaddr = (void *)((uintptr_t)range->start + offset);
@@ -218,7 +217,7 @@ static void destroyrange(vmmrange_t *range, uintmax_t _offset, size_t size, int
 		proc_t *proc = thread ? thread->proc : NULL;
 		cred_t *cred = proc ? &proc->cred : NULL;
 
-		if ((range->flags & VMM_FLAGS_FILE) && (range->flags & VMM_FLAGS_SHARED) && (flags & VMM_DESTROY_FLAGS_NOSYNC) == 0) {
+		if ((range->flags & VMM_FLAGS_FILE) && (range->flags & VMM_FLAGS_SHARED)) {
 			__assert(VOP_MUNMAP(range->vnode, vaddr, range->offset + offset, mmuflagstovnodeflags(range->mmuflags) | (range->flags & VMM_FLAGS_SHARED ? V_FFLAGS_SHARED : 0), cred) == 0);
 		} else {
 			pmm_release(physical);
@@ -402,8 +401,6 @@ void *vmm_map(void *addr, volatile size_t size, int flags, mmuflags_t mmuflags,
 	range->flags = VMM_PERMANENT_FLAGS_MASK & flags;
 	range->mmuflags = mmuflags;
 
-	// TODO CoW
-
 	if (flags & VMM_FLAGS_FILE) {
 		// XXX make sure that writes can't happen to executable memory mapped files and check file permissions
 		vmmfiledesc_t *desc = private;
@@ -526,7 +523,6 @@ void vmm_destroycontext(vmmcontext_t *context) {
 }
 
 vmmcontext_t *vmm_fork(vmmcontext_t *oldcontext) {
-	// TODO copy on write
 	vmmcontext_t *newcontext = vmm_newcontext();
 	if (newcontext == NULL)
 		return NULL;

patches/tar/jinx-working-patch.patch

@@ -0,0 +1,13 @@
+diff --git tar-clean/build-aux/config.sub tar-workdir/build-aux/config.sub
+index f6ede1d..5b7f3f8 100755
+--- tar-clean/build-aux/config.sub
++++ tar-workdir/build-aux/config.sub
+@@ -1727,7 +1727,7 @@ case $os in
+ 	# Now accept the basic system types.
+ 	# The portable systems comes first.
+ 	# Each alternative MUST end in a * to match a version number.
+-	gnu* | android* | bsd* | mach* | minix* | genix* | ultrix* | irix* \
++	gnu* | android* | astral* | bsd* | mach* | minix* | genix* | ultrix* | irix* \
+ 	     | *vms* | esix* | aix* | cnk* | sunos | sunos[34]* \
+ 	     | hpux* | unos* | osf* | luna* | dgux* | auroraux* | solaris* \
+ 	     | sym* |  plan9* | psp* | sim* | xray* | os68k* | v88r* \

recipes/tar

@@ -0,0 +1,19 @@
+name=tar
+revision=1
+from_source=tar
+imagedeps="base-devel"
+hostdeps="xgcc xbinutils"
+deps="mlibc xz"
+
+configure() {
+	cp -rpf ${source_dir}/* .
+	./configure --host=x86_64-astral --prefix=${prefix}
+}
+
+build() {
+	make -j ${parallelism}
+}
+
+install() {
+	make install DESTDIR=${dest_dir}
+}

recipes/xz

@@ -0,0 +1,18 @@
+name=xz
+revision=1
+from_source=xz
+imagedeps="base-devel"
+hostdeps="xgcc xbinutils"
+deps="mlibc"
+
+configure() {
+	${source_dir}/configure --host=x86_64-astral --prefix=${prefix} --disable-static
+}
+
+build() {
+	make -j${parallelism}
+}
+
+install() {
+	make install DESTDIR="${dest_dir}"
+}

source-recipes/tar

@@ -0,0 +1,9 @@
+name=tar
+version=1.35
+source_method=tarball
+tarball_url="https://ftp.gnu.org/gnu/tar/tar-${version}.tar.gz"
+tarball_sha512=38dca8fbc193859770902c31aa6a6cf7a8fcd28687792b5aa8ba938bf39ce1e25c1b0de05f2a982b7b371eeb13502eb67cd27428ae1ade439bd6771aa9d05271
+
+regenerate() {
+	true
+}

source-recipes/xz

@@ -0,0 +1,10 @@
+name=xz
+version=5.4.4
+source_method=tarball
+tarball_url="https://tukaani.org/xz/xz-${version}.tar.xz"
+tarball_sha512=2b233a924b82190ff15e970c5a4a59f1c53a0b39a96bde228c9dfc9b103b4a3e5888f5024da4834e180f6010620ff23caf9f7135a38724eb2c8d01bff7a9a9e1
+hostdeps="autoconf automake libtool pkgconfig"
+
+regenerate() {
+        autoreconf -vfi
+}