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path: root/package/kernel/linux/modules/lib.mk
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#
# Copyright (C) 2011 OpenWrt.org
#
# This is free software, licensed under the GNU General Public License v2.
# See /LICENSE for more information.
#

LIB_MENU:=Libraries

define KernelPackage/lib-crc-ccitt
  SUBMENU:=$(LIB_MENU)
  TITLE:=CRC-CCITT support
  KCONFIG:=CONFIG_CRC_CCITT
  FILES:=$(LINUX_DIR)/lib/crc-ccitt.ko
  AUTOLOAD:=$(call AutoProbe,crc-ccitt)
endef

define KernelPackage/lib-crc-ccitt/description
 Kernel module for CRC-CCITT support
endef

$(eval $(call KernelPackage,lib-crc-ccitt))


define KernelPackage/lib-crc-itu-t
  SUBMENU:=$(LIB_MENU)
  TITLE:=CRC ITU-T V.41 support
  KCONFIG:=CONFIG_CRC_ITU_T
  FILES:=$(LINUX_DIR)/lib/crc-itu-t.ko
  AUTOLOAD:=$(call AutoProbe,crc-itu-t)
endef

define KernelPackage/lib-crc-itu-t/description
 Kernel module for CRC ITU-T V.41 support
endef

$(eval $(call KernelPackage,lib-crc-itu-t))


define KernelPackage/lib-crc7
  SUBMENU:=$(LIB_MENU)
  TITLE:=CRC7 support
  KCONFIG:=CONFIG_CRC7
  FILES:=$(LINUX_DIR)/lib/crc7.ko
  AUTOLOAD:=$(call AutoProbe,crc7)
endef

define KernelPackage/lib-crc7/description
 Kernel module for CRC7 support
endef

$(eval $(call KernelPackage,lib-crc7))


define KernelPackage/lib-crc8
  SUBMENU:=$(LIB_MENU)
  TITLE:=CRC8 support
  KCONFIG:=CONFIG_CRC8
  FILES:=$(LINUX_DIR)/lib/crc8.ko
  AUTOLOAD:=$(call AutoProbe,crc8)
endef

define KernelPackage/lib-crc8/description
 Kernel module for CRC8 support
endef

$(eval $(call KernelPackage,lib-crc8))


define KernelPackage/lib-crc16
  SUBMENU:=$(LIB_MENU)
  TITLE:=CRC16 support
  KCONFIG:=CONFIG_CRC16
  FILES:=$(LINUX_DIR)/lib/crc16.ko
  AUTOLOAD:=$(call AutoLoad,20,crc16,1)
endef

define KernelPackage/lib-crc16/description
 Kernel module for CRC16 support
endef

$(eval $(call KernelPackage,lib-crc16))


define KernelPackage/lib-crc32c
  SUBMENU:=$(LIB_MENU)
  TITLE:=CRC32 support
  KCONFIG:=CONFIG_LIBCRC32C
  DEPENDS:=+kmod-crypto-crc32c
  FILES:=$(LINUX_DIR)/lib/libcrc32c.ko
  AUTOLOAD:=$(call AutoProbe,libcrc32c)
endef

define KernelPackage/lib-crc32c/description
 Kernel module for CRC32 support
endef

$(eval $(call KernelPackage,lib-crc32c))


define KernelPackage/lib-lzo
  SUBMENU:=$(LIB_MENU)
  TITLE:=LZO support
  DEPENDS:=+kmod-crypto-acompress
  KCONFIG:= \
	CONFIG_CRYPTO_LZO \
	CONFIG_LZO_COMPRESS \
	CONFIG_LZO_DECOMPRESS
  HIDDEN:=1
  FILES:= \
	$(LINUX_DIR)/crypto/lzo.ko \
	$(LINUX_DIR)/crypto/lzo-rle.ko \
	$(LINUX_DIR)/lib/lzo/lzo_compress.ko \
	$(LINUX_DIR)/lib/lzo/lzo_decompress.ko
  AUTOLOAD:=$(call AutoProbe,lzo lzo-rle lzo_compress lzo_decompress)
endef

define KernelPackage/lib-lzo/description
 Kernel module for LZO compression/decompression support
endef

$(eval $(call KernelPackage,lib-lzo))


define KernelPackage/lib-zstd
  SUBMENU:=$(LIB_MENU)
  TITLE:=ZSTD support
  DEPENDS:=+kmod-crypto-acompress
  KCONFIG:= \
	CONFIG_CRYPTO_ZSTD \
	CONFIG_ZSTD_COMPRESS \
	CONFIG_ZSTD_DECOMPRESS \
	CONFIG_XXHASH
  FILES:= \
	$(LINUX_DIR)/crypto/zstd.ko \
	$(LINUX_DIR)/lib/xxhash.ko \
	$(LINUX_DIR)/lib/zstd/zstd_compress.ko \
	$(LINUX_DIR)/lib/zstd/zstd_decompress.ko
  AUTOLOAD:=$(call AutoProbe,xxhash zstd zstd_compress zstd_decompress)
endef

define KernelPackage/lib-zstd/description
 Kernel module for ZSTD compression/decompression support
endef

$(eval $(call KernelPackage,lib-zstd))


define KernelPackage/lib-lz4
  SUBMENU:=$(LIB_MENU)
  TITLE:=LZ4 support
  DEPENDS:=+kmod-crypto-acompress
  KCONFIG:= \
	CONFIG_CRYPTO_LZ4 \
	CONFIG_LZ4_COMPRESS \
	CONFIG_LZ4_DECOMPRESS
  FILES:= \
	$(LINUX_DIR)/crypto/lz4.ko \
	$(LINUX_DIR)/lib/lz4/lz4_compress.ko \
	$(LINUX_DIR)/lib/lz4/lz4_decompress.ko
  AUTOLOAD:=$(call AutoProbe,lz4 lz4_compress lz4_decompress)
endef

define KernelPackage/lib-lz4/description
 Kernel module for LZ4 compression/decompression support
endef

$(eval $(call KernelPackage,lib-lz4))


define KernelPackage/lib-raid6
  SUBMENU:=$(LIB_MENU)
  TITLE:=RAID6 algorithm support
  HIDDEN:=1
  KCONFIG:=CONFIG_RAID6_PQ
  FILES:=$(LINUX_DIR)/lib/raid6/raid6_pq.ko
  AUTOLOAD:=$(call AutoProbe,raid6_pq)
endef

define KernelPackage/lib-raid6/description
 Kernel module for RAID6 algorithms
endef

$(eval $(call KernelPackage,lib-raid6))


define KernelPackage/lib-xor
  SUBMENU:=$(LIB_MENU)
  TITLE:=XOR blocks algorithm support
  HIDDEN:=1
  KCONFIG:=CONFIG_XOR_BLOCKS
ifneq ($(wildcard $(LINUX_DIR)/arch/$(LINUX_KARCH)/lib/xor-neon.ko),)
  FILES:= \
    $(LINUX_DIR)/crypto/xor.ko \
    $(LINUX_DIR)/arch/$(LINUX_KARCH)/lib/xor-neon.ko
  AUTOLOAD:=$(call AutoProbe,xor-neon xor)
else
  FILES:=$(LINUX_DIR)/crypto/xor.ko
  AUTOLOAD:=$(call AutoProbe,xor)
endif
endef

define KernelPackage/lib-xor/description
 Kernel module for XOR blocks algorithms
endef

$(eval $(call KernelPackage,lib-xor))


define KernelPackage/lib-textsearch
SUBMENU:=$(LIB_MENU)
  TITLE:=Textsearch support
  KCONFIG:= \
    CONFIG_TEXTSEARCH=y \
    CONFIG_TEXTSEARCH_KMP \
    CONFIG_TEXTSEARCH_BM \
    CONFIG_TEXTSEARCH_FSM
  FILES:= \
    $(LINUX_DIR)/lib/ts_kmp.ko \
    $(LINUX_DIR)/lib/ts_bm.ko \
    $(LINUX_DIR)/lib/ts_fsm.ko
  AUTOLOAD:=$(call AutoProbe,ts_kmp ts_bm ts_fsm)
endef

$(eval $(call KernelPackage,lib-textsearch))


define KernelPackage/lib-zlib-inflate
  SUBMENU:=$(LIB_MENU)
  TITLE:=Zlib support
  HIDDEN:=1
  KCONFIG:=CONFIG_ZLIB_INFLATE
  FILES:=$(LINUX_DIR)/lib/zlib_inflate/zlib_inflate.ko
  AUTOLOAD:=$(call AutoProbe,zlib_inflate)
endef

$(eval $(call KernelPackage,lib-zlib-inflate))


define KernelPackage/lib-zlib-deflate
  SUBMENU:=$(LIB_MENU)
  TITLE:=Zlib support
  HIDDEN:=1
  KCONFIG:=CONFIG_ZLIB_DEFLATE
  FILES:=$(LINUX_DIR)/lib/zlib_deflate/zlib_deflate.ko
  AUTOLOAD:=$(call AutoProbe,zlib_deflate)
endef

$(eval $(call KernelPackage,lib-zlib-deflate))


define KernelPackage/lib-cordic
  SUBMENU:=$(LIB_MENU)
  TITLE:=Cordic function support
  KCONFIG:=CONFIG_CORDIC
  FILES:=$(LINUX_DIR)/lib/math/cordic.ko
  AUTOLOAD:=$(call AutoProbe,cordic)
endef

define KernelPackage/lib-cordic/description
 Kernel module for Cordic function support
endef

$(eval $(call KernelPackage,lib-cordic))


define KernelPackage/asn1-decoder
  SUBMENU:=$(LIB_MENU)
  TITLE:=Simple ASN1 decoder
  KCONFIG:= CONFIG_ASN1
  HIDDEN:=1
  FILES:=$(LINUX_DIR)/lib/asn1_decoder.ko
endef

$(eval $(call KernelPackage,asn1-decoder))

define KernelPackage/oid-registry
  SUBMENU:=$(LIB_MENU)
  TITLE:=Object identifier registry
  KCONFIG:= CONFIG_OID_REGISTRY
  FILES:=$(LINUX_DIR)/lib/oid_registry.ko
  AUTOLOAD:=$(call AutoLoad,31,oid_registry)
endef

$(eval $(call KernelPackage,oid-registry))
generated by cgit v1.2.3 (git 2.25.1) at 2026-02-12 21:18:00 +0000
/span> buf, n); } /****************************************************************/ /* shmat replacement */ int qemu_ipc(int call, unsigned long first, unsigned long second, unsigned long third, void *ptr, unsigned long fifth) { QEMU_SYSCALL6(ipc, call, first, second, third, ptr, fifth); } #define SHMAT 21 /* we must define shmat so that a specific address will be used when mapping the X11 ximage */ void *shmat(int shmid, const void *shmaddr, int shmflg) { void *ptr; int ret; /* we give an address in the right memory area */ if (!shmaddr) shmaddr = get_mmap_addr(8192 * 1024); ret = qemu_ipc(SHMAT, shmid, shmflg, (unsigned long)&ptr, (void *)shmaddr, 0); if (ret < 0) return NULL; return ptr; } /****************************************************************/ /* sigaction bypassing the threads */ static int kernel_sigaction(int signum, const struct qemu_sigaction *act, struct qemu_sigaction *oldact, int sigsetsize) { QEMU_SYSCALL4(rt_sigaction, signum, act, oldact, sigsetsize); } int qemu_sigaction(int signum, const struct qemu_sigaction *act, struct qemu_sigaction *oldact) { return kernel_sigaction(signum, act, oldact, 8); } /****************************************************************/ /* memory allocation */ //#define DEBUG_MALLOC #define MALLOC_BASE 0xab000000 #define PHYS_RAM_BASE 0xac000000 #define MALLOC_ALIGN 16 #define BLOCK_HEADER_SIZE 16 typedef struct MemoryBlock { struct MemoryBlock *next; unsigned long size; /* size of block, including header */ } MemoryBlock; static MemoryBlock *first_free_block; static unsigned long malloc_addr = MALLOC_BASE; static void *malloc_get_space(size_t size) { void *ptr; size = TARGET_PAGE_ALIGN(size); ptr = mmap((void *)malloc_addr, size, PROT_WRITE | PROT_READ, MAP_PRIVATE | MAP_FIXED | MAP_ANON, -1, 0); if (ptr == MAP_FAILED) return NULL; malloc_addr += size; return ptr; } void *qemu_malloc(size_t size) { MemoryBlock *mb, *mb1, **pmb; void *ptr; size_t size1, area_size; if (size == 0) return NULL; size = (size + BLOCK_HEADER_SIZE + MALLOC_ALIGN - 1) & ~(MALLOC_ALIGN - 1); pmb = &first_free_block; for(;;) { mb = *pmb; if (mb == NULL) break; if (size <= mb->size) goto found; pmb = &mb->next; } /* no big enough blocks found: get new space */ area_size = TARGET_PAGE_ALIGN(size); mb = malloc_get_space(area_size); if (!mb) return NULL; size1 = area_size - size; if (size1 > 0) { /* create a new free block */ mb1 = (MemoryBlock *)((uint8_t *)mb + size); mb1->next = NULL; mb1->size = size1; *pmb = mb1; } goto the_end; found: /* a free block was found: use it */ size1 = mb->size - size; if (size1 > 0) { /* create a new free block */ mb1 = (MemoryBlock *)((uint8_t *)mb + size); mb1->next = mb->next; mb1->size = size1; *pmb = mb1; } else { /* suppress the first block */ *pmb = mb->next; } the_end: mb->size = size; mb->next = NULL; ptr = ((uint8_t *)mb + BLOCK_HEADER_SIZE); #ifdef DEBUG_MALLOC qemu_printf("malloc: size=0x%x ptr=0x%lx\n", size, (unsigned long)ptr); #endif return ptr; } void qemu_free(void *ptr) { MemoryBlock *mb; if (!ptr) return; mb = (MemoryBlock *)((uint8_t *)ptr - BLOCK_HEADER_SIZE); mb->next = first_free_block; first_free_block = mb; } /****************************************************************/ /* virtual memory allocation */ unsigned long mmap_addr = PHYS_RAM_BASE; void *get_mmap_addr(unsigned long size) { unsigned long addr; addr = mmap_addr; mmap_addr += ((size + 4095) & ~4095) + 4096; return (void *)addr; } #else #ifdef _WIN32 #include <windows.h> #elif defined(_BSD) #include <stdlib.h> #else #include <malloc.h> #endif int qemu_write(int fd, const void *buf, size_t n) { int ret; ret = write(fd, buf, n); if (ret < 0) return -errno; else return ret; } void *get_mmap_addr(unsigned long size) { return NULL; } void qemu_free(void *ptr) { free(ptr); } void *qemu_malloc(size_t size) { return malloc(size); } #if defined(_WIN32) void *qemu_vmalloc(size_t size) { /* FIXME: this is not exactly optimal solution since VirtualAlloc has 64Kb granularity, but at least it guarantees us that the memory is page aligned. */ return VirtualAlloc(NULL, size, MEM_COMMIT, PAGE_READWRITE); } void qemu_vfree(void *ptr) { VirtualFree(ptr, 0, MEM_RELEASE); } #elif defined(USE_KQEMU) #include <sys/vfs.h> #include <sys/mman.h> #include <fcntl.h> void *qemu_vmalloc(size_t size) { static int phys_ram_fd = -1; static int phys_ram_size = 0; const char *tmpdir; char phys_ram_file[1024]; void *ptr; struct statfs stfs; if (phys_ram_fd < 0) { tmpdir = getenv("QEMU_TMPDIR"); if (!tmpdir) tmpdir = "/dev/shm"; if (statfs(tmpdir, &stfs) == 0) { int64_t free_space; int ram_mb; extern int ram_size; free_space = (int64_t)stfs.f_bavail * stfs.f_bsize; if ((ram_size + 8192 * 1024) >= free_space) { ram_mb = (ram_size / (1024 * 1024)); fprintf(stderr, "You do not have enough space in '%s' for the %d MB of QEMU virtual RAM.\n", tmpdir, ram_mb); if (strcmp(tmpdir, "/dev/shm") == 0) { fprintf(stderr, "To have more space available provided you have enough RAM and swap, do as root:\n" "umount /dev/shm\n" "mount -t tmpfs -o size=%dm none /dev/shm\n", ram_mb + 16); } else { fprintf(stderr, "Use the '-m' option of QEMU to diminish the amount of virtual RAM or use the\n" "QEMU_TMPDIR environment variable to set another directory where the QEMU\n" "temporary RAM file will be opened.\n"); } exit(1); } } snprintf(phys_ram_file, sizeof(phys_ram_file), "%s/qemuXXXXXX", tmpdir); if (mkstemp(phys_ram_file) < 0) { fprintf(stderr, "warning: could not create temporary file in '%s'.\n" "Use QEMU_TMPDIR to select a directory in a tmpfs filesystem.\n" "Using '/tmp' as fallback.\n", tmpdir); snprintf(phys_ram_file, sizeof(phys_ram_file), "%s/qemuXXXXXX", "/tmp"); if (mkstemp(phys_ram_file) < 0) { fprintf(stderr, "Could not create temporary memory file '%s'\n", phys_ram_file); exit(1); } } phys_ram_fd = open(phys_ram_file, O_CREAT | O_TRUNC | O_RDWR, 0600); if (phys_ram_fd < 0) { fprintf(stderr, "Could not open temporary memory file '%s'\n", phys_ram_file); exit(1); } unlink(phys_ram_file); } size = (size + 4095) & ~4095; ftruncate(phys_ram_fd, phys_ram_size + size); ptr = mmap(NULL, size, PROT_WRITE | PROT_READ, MAP_SHARED, phys_ram_fd, phys_ram_size); if (ptr == MAP_FAILED) { fprintf(stderr, "Could not map physical memory\n"); exit(1); } phys_ram_size += size; return ptr; } void qemu_vfree(void *ptr) { /* may be useful some day, but currently we do not need to free */ } #else /* alloc shared memory pages */ void *qemu_vmalloc(size_t size) { #ifdef _BSD return valloc(size); #else return memalign(4096, size); #endif } void qemu_vfree(void *ptr) { free(ptr); } #endif #endif void *qemu_mallocz(size_t size) { void *ptr; ptr = qemu_malloc(size); if (!ptr) return NULL; memset(ptr, 0, size); return ptr; } char *qemu_strdup(const char *str) { char *ptr; ptr = qemu_malloc(strlen(str) + 1); if (!ptr) return NULL; strcpy(ptr, str); return ptr; } /****************************************************************/ /* printf support */ static inline int qemu_isdigit(int c) { return c >= '0' && c <= '9'; } #define OUTCHAR(c) (buflen > 0? (--buflen, *buf++ = (c)): 0) /* from BSD ppp sources */ int qemu_vsnprintf(char *buf, int buflen, const char *fmt, va_list args) { int c, i, n; int width, prec, fillch; int base, len, neg; unsigned long val = 0; const char *f; char *str, *buf0; char num[32]; static const char hexchars[] = "0123456789abcdef"; buf0 = buf; --buflen; while (buflen > 0) { for (f = fmt; *f != '%' && *f != 0; ++f) ; if (f > fmt) { len = f - fmt; if (len > buflen) len = buflen; memcpy(buf, fmt, len); buf += len; buflen -= len; fmt = f; } if (*fmt == 0) break; c = *++fmt; width = prec = 0; fillch = ' '; if (c == '0') { fillch = '0'; c = *++fmt; } if (c == '*') { width = va_arg(args, int); c = *++fmt;