Release pu32.20230428

Release 20230428

* binutils 536b8077d2e...1e06c91efb8 (1):
  > sim: fix floating point instructions

* fontamsoc-hw affe755...2d31932 (47):
  > litedram updates; use litex(2022.04); liblitedram(309f012d)
  > pu: rename multipu to cpu
  > dev/pi1q_to_axi4: improvements and insertion of reg between s_pi1q_rdy_w and cyc
  > dev/pi1_to_axi4: improvements and insertion of reg between pi1_rdy_o and cyc
  > dev/pi1b_to_wb4: improvements and insertion of reg between pi1b_rdy_o and wb4_cyc_o
  > dev/pi1q_to_wb4: improvements and insertion of reg between s_pi1q_rdy_w and wb4_cyc_o
  > dev/pi1_to_wb4: improvements and insertion of reg between pi1_rdy_o and wb4_cyc_o
  > lib/perint/pi1q: misc esthetic changes
  > lib/perint/pi1q: remove usage of lib/ram/dram.v
  > dev/pi1q_to_axi4: remove initial begin block
  > dev/pi1b_to_wb4: remove initial begin block
  > dev/pi1_to_axi4: remove initial begin block
  > dev/pi1_to_wb4: remove initial begin block
  > dev/pi1q_to_wb4: remove initial begin block
  > lib/perint/pi1q: remove initial begin block
  > dev/pi1_dcache: remove incorrect comment
  > dev/pi1_dcache: remove initial begin block
  > dev/pi1_dcache: better logic to generate cachedatibitsel
  > lib/wb4smem: better logic to generate sel_w
  > lib/addr: better logic to generate addr_o
  > pu: remove use of localparam ARCHBITSZMAX
  > pu: remove use of localparam XARCHBITSZMAX
  > dev/smem: better logic to generate sel_w
  > pi1q: remove gray-code logic
  > perint/pi1w: fix logic setting masteropsaved
  > perint/pi1r: fix logic setting masteropsaved
  > pu32-sim: use installed verilator
  > pu: remove init.pu.v
  > sdcard: simplify sdcardcsd
  > rename perint/pi1 to perint/pi1w
  > simplify bridges logic
  > pu: fix parameter VERSION
  > pu: split muldiv into imul and idiv
  > pu: opfdiv
  > pu: opfmul
  > pu: opfaddfsub
  > pu: misc changes
  > pu: opmuldiv misc changes
  > pu32-genesys2: fix xdc file
  > pu-* adjustments
  > pu: improve muldiv removing un-necessary start cycle
  > pu32-sim: defining PUMULDIVCLK must depends on SIMUSECLKDIV
  > pu32-sim: add CLK4XFREQ when SIMUSECLKDIV defined
  > pu: sequencer change for subsequent enhancements
  > pu: remove float from opmuldiv and improve it
  > pu: name sequencer states
  orangecrab0225.dfu sha256sum:6a56c503f58bf9c8bbf30494a68ecdbfeaeda895bdc936353d5017bc25452c13
  orangecrab0285.dfu sha256sum:19603d05d3f5116950c004a9e53e4afcbb365bf44dea5d6cadb49eb52d649b6f
  nexys4ddr.bit      sha256sum:f64a43cfb4e005c28734644b0706fb3d00f689dc3a3330b319f9b2e58e1c5da9
  nexysvideo.bit     sha256sum:10e6c53817264df2de4d332005b24ea0fedfa91350f586046c9905a9207cc80d
  genesys2.bit       sha256sum:fe1f80e8317e6d6fe8b70fc383af55537211c50737c006311b69bc5eac7d7cd0

* glibc d83501e287...3b0f54b6ea (1):
  > define FE_TOWARDZERO FE_DOWNWARD FE_UPWARD

Release pu32.20230213

Release 20230213

* binutils 3958b5eca1d...38ce64c1476 (1):
  > gas: implement HANDLE_ALIGN() and NOP_OPCODE

* buildroot 70a8aea22b...95fdad8c71 (9):
  > enable tmux
  > remove pkg-toolchain-external.mk calls to check_glibc()
  > add pu32-gcc
  > add pu32-binutils
  > add pu32-linux-headers
  > add pu32-glibc
  > enable coremark
  > enable dhrystone
  > enable whetstone

* fontamsoc-hw d152b6b...affe755 (36):
  > update version.v
  > pu: superscalar-dual-issue
  > pu: rename _dcachemaster to pi1_upconverter_dcachemaster
  > pu: `ifdef SIMULATION, $finish on halt
  > pu: set sysopcode to OPNOTAVAIL if (!instrbufnotempty)
  > WIP: restore "pu: improve instrbuf[] for faster clk_i"
  > pu: keep always@() blocks separates
  > pu: improve comb-logics that use ARCHBITSZ or XARCHBITSZ
  > pu: revert simplify opsetgpr
  > pu: rework sequencer
  > pu: simplify opsetgpr
  > pu: simplify signals for timer and ext interrupts
  > pu: parameter VERSION to be used for getver
  > Revert "reduce signal changes"
  > pu: bugfix bit-selection used with the instruction buffer
  > pu: bugfix HPTW
  > pu: improve load-immediate documentation
  > pu-* adjustments
  > pu: simplify icachewe
  > bugfix localparam ICACHETAGBITSIZE
  > pu: simplify opld opldst logic
  > pu: dcache simplified logic
  > pu32-sim: make clkdiv optional
  > pu: sequencer: report halt state
  > pu: sequencer: simplify logic
  > move where dcache.pu.v gets included
  > pu: gprctrl: simplify logic
  > pu: memctrl: simplify logic
  > rework gpr13val
  > remove ram1i5o.v include
  > rework gpr[]
  > rework gprrdy[]
  > move where init.pu.v gets included
  > rename pu/dcache.comb.pu.v -> pu/dcache.pu.v
  > consolidate memctrl logic
  > consolidate gprctrl logic
  orangecrab0225.dfu d2fb00b69f970e6a95fc776842b479aa665353aa9785e2e562c56d0631df9360
  orangecrab0285.dfu 67754e7d3845c2558cc3b3a03971b15077f86c1c86f57298a6e155076a276516
  nexys4ddr.bit      264693c94c73f200b8c88c7b295dbf40e7410dc10ac8c1ccbe12594426077676
  nexysvideo.bit     f8b29e2e38d142364e690fb8ffbb6567c3d4355e6472a58cb78981649e988764
  genesys2.bit       734ac4ec758aa75bbb07d3c91b63a59949c0a18394b4a47080bf7244fb448549

* gcc 5a661b48bb4a...f92aed906eed (3):
  > implement automaton-pipeline-description
  > remove attr cost
  > adjust LIB_SPEC LINK_SPEC

* glibc 4737da3c67...9b1c227914 (2):
  > Revert "fix handling of init arrays"
  > improve memcpy() memmove() memset()

* linux 8c8545c2469c...b21185c04a19 (5):
  > always disPreemptIntr
  > pu32hdd: fix irq
  > define cpu_relax() same as in other archs
  > improve memcpy() memmove() memset()
  > implement linkage.h

Release pu32.20221110

Release 20221110

* buildroot 345bc45749...27ed40372b (3):
  > Revert "enable expat gmp"
  > Revert "enable binutils"
  > remove BR2_ENABLE_DEBUG

* glibc 42a9bcbd57...07c660be69 (1):
  > fix handling of init arrays

* linux 7aa1165d56b4...1dfffbb57880 (1):
  > Revert "remove CONFIG_PREEMPT for speed"

Release pu32.20220920

Release 20220920

* binutils 06af491b5ed...2f203805963 (1):
  > make %tp always a fixed register

* buildroot 5710e107fc...ba72b0f9f3 (1):
  > use -O3 optimization

* fontamsoc-hw 37f28cf...3c7b52f (2):
  > pu32-sim: disable PUHPTW

* gcc f83ff02d6bf2...a6e51512e87a (7):
  > make %tp always a fixed register
  > bugfix _Tmovsi _Tmovhi _Tmovqi
  > enable targetm_common
  > implement REG_ALLOC_ORDER
  > remove %{pthread:-D_REENTRANT} from CPP_SPEC
  > misc machine description improvement
  > TLS bugfix

* glibc 920634d8d8...6538e58a00 (15):
  > get/set tls from/in %tp instead of using syscall
  > #define SINGLE_THREAD_BY_GLOBAL 1
  > fix PTR_MANGLE() PTR_DEMANGLE() location declaration
  > ioctl.h bugfix
  > __clone() bugfix
  > rework tls support
  > remove symlink to dl-osinfo.h
  > remove use of libc-reentrant = yes
  > crtbegin fixes
  > revert un-necessary changes
  > use generic atomic_full_barrier()
  > crti.S crtn.S misc
  > use __typeof__ instead of typeof
  > remove .bss zeroing from _start()
  > pu32 specific fcntl.h

* linux e1ca718163b4...a531a1e73943 (6):
  > %tp always a fixed register; store tls in user %tp
  > rename thread_info regs to irq_regs
  > use -O3 and remove use of PU32_DEBUG_disable_check_copy_size
  > comment-out -save-temps -fverbose-asm from KBUILD_CFLAGS
  > use generic barrier.h
  > set %1 null in start_thread()

Release pu32.20220902

Release 20220902

* binutils 9dc59d73567...a7db387ddd2 (1):
  > adjust load store volatile instruction naming

* fontamsoc-hw 5326ee5...37f28cf (2):
  > update version.v
  > adjust load store volatile instruction naming

* fontamsoc-sw 3b54260...a10d298 (3):
  > adjust load store volatile instruction naming
  > mksocimg use mknod to create loop-device partitions
  > mksocimg faster creation

* gcc acfc980a2eec...d99f3d6fa224 (2):
  > misc elf.opt change
  > adjust load store volatile instruction naming

* linux 189a18f3f635...6b513f04b5ea (1):
  > adjust load store volatile instruction naming

Release pu32.20220830

Release 20220830

* binutils a4cddff2bbd...12fbdd0d8ca (1):
  > specify 'signed' with type 'char' as it might not always be the case

* buildroot d7a7eb4841...e61235fbc6 (4):
  > enable fbv
  > enable fbset
  > enable ffmpeg
  > increase rootfs size to 128M

* fontamsoc-hw e91aa06...5326ee5 (70):
  > performance tuning
  > fbdev: pu32-genesys2 support
  > fbdev: pu32-nexysvideo support
  > fbdev: use fifo near_full_o signal instead of an additional fifo_fwft
  > fbdev: bugfix blank sync signals; fix names
  > fbdev: RLE3: report accel
  > fbdev: RLE2: throttle pixel buffering
  > fbdev: RLE1: pixel repeat count buffering
  > fbdev: RLE0: pixel repeat count decoding
  > fbdev
  > pi1_dcache: use fifo near_full_o near_empty_o signals
  > fifo: use gray-code to compute near_full_o near_empty_o signals
  > fifo: use gray-code to compute full_o empty_o signals
  > pi1q: use gray-code
  > pi1q_to_wb4: support multiple masters
  > dma: deprecate
  > dma: WIP: implement parameter XARCHBITSZ
  > keep initial blocks
  > pu32-nexys4ddr: connect to litedram using pi1q_to_wb4 instead of pi1b_to_wb4
  > pu32-nexysvideo: connect to litedram using pi1q_to_wb4 instead of pi1b_to_wb4
  > pu32-genesys2: connect to litedram using pi1q_to_wb4 instead of pi1b_to_wb4
  > adjust where clocks are declared
  > xilinx-specific attributes
  > sdcard_spi: allow sdcard reset only if phy is in error state
  > pu32-nexys4ddr: remove use of PUDBG
  > pu32-nexysvideo: remove use of PUDBG
  > pu32-genesys2: remove use of PUDBG
  > remove FONTAMSOC_USE_STARTUPE2
  > sdcard_spi_phy: bugfix: how spi.sclkdiv_i gets set
  > intctrl: use pi1b on PerInt ports for better timing
  > usb_serial: use pi1b on PerInt ports for better timing
  > uart_hw: use pi1b on PerInt ports for better timing
  > pwm: use pi1b on PerInt ports for better timing
  > devtbl: use pi1b on PerInt ports for better timing
  > pu32-sim: increase WB4SMEM_ARCHBITSZ from 128 to 256
  > bootldr: prevent prefetch beyond mapping causing simulation failure
  > support XARCHBITSZ > ARCHBITSZ
  > Redesign PerInt MapSz from ADDRBITSZ to ARCHBITSZ
  > bootldr: support ARCHBITSZ 128 256
  > minimal gtkwave saved traces
  > pu: implement parameter XARCHBITSZ
  > pu: improve logic within SIMULATION_pc_o
  > sdcard: implement parameter XARCHBITSZ
  > sdcard_spi_phy: rename ADDRBITSZ to CMDADDRBITSZ
  > sdcard_sim_phy: rename ADDRBITSZ to CMDADDRBITSZ
  > devtbl: implement parameter XARCHBITSZ
  > lib/addr.v
  > inst.pi1r.v: bugfix
  > inst.pi1q.v: bugfix
  > pi1_downconverter
  > pi1_upconverter: misc enhancements
  > pu32-nexys4ddr: support buttons
  > pu32-nexys4ddr: better gpio naming
  > PWM (Pulse Width Modulation) device
  > fix macro puts_hex() used in litedram.c
  > pi1b_to_wb4: improve naming of signals going through pi1b
  > multipu: improve naming of signals going through pi1b
  > sdcard_spi: improve naming of signals going through pi1b
  > devtbl: make output rst2_o a register
  > devtbl: misc improvement
  > devtbl: make pi1_mapsz_o a register
  > pi1_dcache: implement parameter BUFFERDEPTH
  > pi1_dcache: bugfix: usesampled
  > pi1_dcache: remove cachevalids
  > pi1_dcache: simplify how cachedatabitsels.i1 gets set
  > pi1_dcache: simplify how cachevalids.i1 gets set
  > pu32-orangecrab02: fix multipu.CLKFREQ()
  > pu32-orangecrab02: remove SLEWRATE=FAST from lpf to reduce heat
  > lib/perint/pi1.v: fix port s_mapsz_o to s_mapsz_i
  genesys2.bit       sha256sum:79bcbca945ba6252bb0f24f5c24a044af6c0efc8edc4f58860b886a881afba65
  nexys4ddr.bit      sha256sum:62f1a723d58ef77a0a3546b865f590b65b5c3b3c959e0e31e2f7249d01a4e409
  nexysvideo.bit     sha256sum:0f42a63149f7fb26ba114a67a0c30ce3e332441a44ded4d4fa098da686980dc7
  orangecrab0225.dfu sha256sum:52628bdc026fa29d8ce900d3cea4271d21dfaa248934549f3e63b62a39230d2f
  orangecrab0285.dfu sha256sum:c88c52541a39d9cffca40c00e856f0f5fdc5ef48d8f4f8a85c8b60c4226c971c

* fontamsoc-sw 6493676...3b54260 (5):
  > backup spinlock implementation that was used with Linux
  > deprecate dma
  > bios: remove DMA use
  > bios: prints "kernel loaded" followed by kernel load time in 8bits hex seconds
  > fix macro puts_hex()

* gcc 4c63a0a327d9...54cbd9c1499e (1):
  > enable libatomic

* glibc 395d33f923...c3ae694154 (1):
  > define FE_UNDERFLOW and FE_OVERFLOW

* linux b4d627d5b6a2...0332cbdb8ecb (10):
  > PU32 FrameBuffer Device Driver
  > pu32gpio: pr_info() after each device initialization
  > config FORCE_MAX_ZONEORDER to support large kmalloc() for framebuffer
  > increase L1_CACHE_SHIFT to match the largest supported hw-cache entry
  > improve get_mmu_context()
  > spinlock.h: use generic implementation
  > spinlock.h: must not sleep
  > spinlock.h: improve arch_read_lock()
  > spinlock.h: in arch_read_lock() protect READERCNT with LOCK
  > spinlock.h: improve comments

Release pu32.20220420

Release 20220420

* fontamsoc-hw 79307dd...e91aa06 (53):
  > devtbl: SOCID implementation
  > pi1b_to_wb4
  > sdcard_spi: use pi1b instead of pi1q
  > pu: with multipu, use PI1Q instead of PI1B ifdef PUCOUNT
  > pu32-genesys2
  > pu32-orangecrab
  > pu: document why parameter MULDIVCNT must be 4 or 8
  > pu32-sim: improvements
  > pu32-xula2lx25: improvements
  > pu32-nexysvideo: improvements
  > pu32-nexys4ddr: improvements
  > lib/perint/pi1r.v: fix port s_mapsz_o to s_mapsz_i
  > pi1_dcache: implement parameter FETCHALLONMISS
  > lib/perint/pi1b.v
  > pi1*_to_*.v: ignore rst_i when setting rdy_o
  > pu: rework gettlb for faster clk_i
  > pu: bugfix HPTW
  > pu: adjust dtlb_rdy dtlbreadenable itlbreadenable signals
  > pu: improve instrbuf[] for faster clk_i
  > ram1i5o.v: misc
  > pu: create signals instrbufwe instrbufi
  > pu: shorten signal names
  > use fifo instead of fifo_fwft
  > pi1_dcache: use fifo instead of fifo_fwft
  > pu32-nexysvideo: LiteDRAM (2d021c8) Migen (7014bdc) LiteX (75134605)
  > pu32-nexys4ddr: LiteDRAM (2d021c8) Migen (7014bdc) LiteX (75134605)
  > litedram: fix wb4_rst_i and wb4_clk_i used by pi1q_to_wb4_wb_ctrl
  > re-write bootldr as memory-mapped device
  > misc improvements
  > pu icache.en usage bugfix
  > pu bugfix itlben
  > dev/devtbl.v: use RAMCACHESZ default of 2
  > sdcard_spi_phy.v: set keepsdcardcshigh initially 1
  > sdcard_spi_phy.v: keep spi_master.rst_i high for (state == RESET)
  > sdcard_spi_phy.v: set spi_master.read_i always 1
  > pu32-nexysvideo: reduce ACTIVITY_CNTR_BITSZ to 1
  > pu32-nexysvideo: share gp_o[0] between activity signal and gpio.o[0]
  > sdcard_spi_phy.v: set state initial value to RESET
  > use default of 16 for ARCHBITSZ
  > dev/devtbl.v: make for-loop used to generate pi1_mapsz_o work with yosys
  > pu32-nexysvideo: reduce RAMCACHEWAYCOUNT to 4 for better LUT usage
  > pu32-sim: dcacheinit improvements
  > pu: helpful debug statements
  > pu32-sim-small: improvements
  > pu32-sim-small: use plain.rtk
  > pu32-orangecrab0285-small: improvements
  > pu32-orangecrab0285-small: use plain.rtk
  > plain.rtk
  > pi1_dcache.v: use cenable_i only when m_pi1 operation is not NOOP
  > pi1_dcache.v: do not check cachevalids when conly_r true
  > pu32-orangecrab0285-small: remove unused ports
  > make PI1RMASTERCOUNT depend on last master device index
  genesys2.bit       sha256sum:20f52450d8f9768c6faedbd463696b59fff3c1a7de8c4ffd8d74ff67565a83a7
  nexys4ddr.bit      sha256sum:3dc4ca2e6eb4f7cd347ddaab263a9bd3cf6cb7079114f9f9e8f4681b19131b7e
  nexysvideo.bit     sha256sum:610f4a8693d7360d024d33aff17bbe14cb9f8a36002c1c24147cb51934e9eec9
  orangecrab0225.dfu sha256sum:df8c37a0b7be6080cede0875e1a750c091f4357258697593dced56993591fd9b
  orangecrab0285.dfu sha256sum:7b372962c94ccaa2663d3b5b1cd0d296b808dd95036f42e131fb0cf399c08d06

* fontamsoc-sw bda14ac...6493676 (11):
  > improve puts_hex()
  > memtest pseudo-randomized memory accesses
  > bitmanip.h
  > memtest improvements
  > rewrite hexdump to use <stdio.h> functions
  > misc changes
  > remove print/print.h
  > rewrite bios to use <stdio.h>
  > rewrite memtest to use <stdio.h>
  > stdlib.h
  > stdio.h

* linux 6c8d63fd0722...9bf215e82860 (3):
  > fix DevID 9 name from PDM to PWM
  > implement GPIO_IOCTL_IOCNT; make sysfs files write-only
  > call c_setup() only when #ifdef CONFIG_PROC_FS

Release pu32.20220305

Release 20220305

* binutils cb05592401c...b2eeeae0aae (1):
  > remote debugging rework

* buildroot d68a8b6d39...12fb449a53 (4):
  > package/busybox: prevent init from modifying baudrate
  > install nanorc
  > set readline bell-style to none
  > keep unstripped busybox under ${STAGING_DIR}

* fontamsoc-hw 1101109...79307dd (14):
  > update version.v
  > make PI1RMASTERCOUNT depend on last master device index
  > move verilator outside of soc-target folder
  > pu32-orangecrab0285-small
  > pu32-sim-small
  > pu32-sim: re-implement raminit as dcacheinit
  > rebuild litedram with latest hwdrvchar.h
  > default multipu.PUCOUNT to 1
  > fix `ifndef PUMMU
  > spi_master.v: use fifo_fwft for transmit buffer
  > remove USE2CLK
  > bugfix spi_master ports declaration
  > dev/gpio.v: 't' must not affect 'i' by default
  > fix gp_i signal declaration
  nexys4ddr.bit  a7d6b87c6732b8f9746dd82897f5fd876cca187ea272eeea20e19494bfdcac95
  nexysvideo.bit d8f6f99798c4d482393dd0ffd2253c0440eae865ba17e94a7de5e8378d257cfe

* gcc edc8d58c446e...48c342bc568d (2):
  > improve insn blockage
  > implement TARGET_INSN_COST

* linux a35c3d068240...4ed16b56e6cf (4):
  > rename pu32stdout() to pu32printf()
  > ttyS: use baudrate only if non-null
  > ttyS: in pu32tty_tty_ops_close() use if (tty->count > 1)
  > rework gpio driver

Release pu32.20220123

Release 20220123

* fontamsoc-hw 503ccd3...442f1b6 (1):
  > improvements
      reduce INVALIDDEVMAPSZ to 4KB
      remove the need to update PI1RSLAVECOUNT and PI1RDEFAULTSLAVEINDEX when adding/removing a slave device
      simplify clk_muldiv_i usage
      nexysvideo: use multipu.clk_i(clk100mhz) and multipu.clk_muldiv_i(clk200mhz)
      nexys4ddr: use multipu.clk_i(clk100mhz) and multipu.clk_muldiv_i(clk200mhz)
      rename wire rst to rst_w
    nexys4ddr.bit  sha256sum:697e460df080f53ce890298eb2d3d23390edf60106c021f9de7c80501f7d1057
    nexysvideo.bit sha256sum:257b0d1c0e95b42b8579cf8c334788aba589fa5ad61278d5634c12bb7a52a5ee

* glibc 13d76512c6...d92db8d2b7 (1):
  > misc improvement changes

* linux 67a9b398592c...6d0a5e0a04c0 (2):
  > show Reserved instead of Void in /proc/iomem
  > show BIOS in /proc/iomem if it exist; reserve page holding parkpu()

* Binutils upgraded to 2.37

Release pu32.20220117

Release 20220117

* buildroot 9078679140...65a1525fea (5):
  > enable zlib-ng
  > enable dhclient command
  > enable X/Y/Zmodem commands
  > revert IPROUTE2_BUILD_CMDS change
  > use -I$(STAGING_DIR)/usr/include in CPPFLAGS

* fontamsoc-hw 1da5f75...503ccd3 (2):
  > bugfixes, new features and improvements
      instead use the bus interconnect clock wherever relevant
      simplify naming of pll_*_mhz.v files
      use multipu.TLBSETCOUNT(128)
      implement dev/devtbl.v, while making devtbl not target specific
      misc initialization changes
      remove vivado/makefile to keep things simple
      improve mapsz 64bits alignment logic
      ARCHBITSZ 256 support in pi1*_to_* smem wb4smem
      pu32-nexysvideo: misc improvements
      pu32-nexys4ddr: misc improvements
      pu: bugfix isopgettlb usage before declaration
    nexys4ddr.bit  sha256sum:720a4708379c49ac13d1116e46fce6d545e15192ddb9281036cac5190dca5d0b
    nexysvideo.bit sha256sum:b872269549f60d9a396375017046bfdf70e4df9897d66dda30dcea693f524d6c
  > fixes to support SymbiFlow

* fontamsoc-sw c308588...07931b3 (1):
  > enhance hwdrvdevtbl_find()

* glibc 3cacd442d3...019a01951c (1):
  > remove code that set __USE_FORTIFY_LEVEL

* linux 9f4213156a88...efc80fc58246 (4):
  > show TLB size in /proc/cpuinfo
  > /proc/iomem support
  > enhance hwdrvdevtbl_find()
  > rename /sys/module/pu32gpio/parameters/use_* to /sys/module/pu32gpio/parameters/IOCTL_USE_*