Index: boot/arch/amd64/Makefile.inc =================================================================== --- boot/arch/amd64/Makefile.inc (revision 296ddec0722c011f6688a92cbb8da6364647f850) +++ boot/arch/amd64/Makefile.inc (revision e7645de2b5165da2366c5878fc54c226acff223e) @@ -34,5 +34,5 @@ $(USPACEDIR)/app/init/init \ $(USPACEDIR)/srv/devmap/devmap \ - $(USPACEDIR)/srv/rd/rd \ + $(USPACEDIR)/srv/bd/rd/rd \ $(USPACEDIR)/srv/vfs/vfs ifeq ($(RDFMT),tmpfs) Index: boot/arch/arm32/loader/Makefile =================================================================== --- boot/arch/arm32/loader/Makefile (revision 296ddec0722c011f6688a92cbb8da6364647f850) +++ boot/arch/arm32/loader/Makefile (revision e7645de2b5165da2366c5878fc54c226acff223e) @@ -77,5 +77,5 @@ $(USPACEDIR)/app/init/init \ $(USPACEDIR)/srv/devmap/devmap \ - $(USPACEDIR)/srv/rd/rd \ + $(USPACEDIR)/srv/bd/rd/rd \ $(USPACEDIR)/srv/vfs/vfs ifeq ($(RDFMT),tmpfs) Index: boot/arch/ia32/Makefile.inc =================================================================== --- boot/arch/ia32/Makefile.inc (revision 296ddec0722c011f6688a92cbb8da6364647f850) +++ boot/arch/ia32/Makefile.inc (revision e7645de2b5165da2366c5878fc54c226acff223e) @@ -34,5 +34,5 @@ $(USPACEDIR)/app/init/init \ $(USPACEDIR)/srv/devmap/devmap \ - $(USPACEDIR)/srv/rd/rd \ + $(USPACEDIR)/srv/bd/rd/rd \ $(USPACEDIR)/srv/vfs/vfs ifeq ($(RDFMT),tmpfs) Index: boot/arch/ia64/loader/Makefile =================================================================== --- boot/arch/ia64/loader/Makefile (revision 296ddec0722c011f6688a92cbb8da6364647f850) +++ boot/arch/ia64/loader/Makefile (revision e7645de2b5165da2366c5878fc54c226acff223e) @@ -88,5 +88,5 @@ $(USPACEDIR)/app/init/init \ $(USPACEDIR)/srv/devmap/devmap \ - $(USPACEDIR)/srv/rd/rd \ + $(USPACEDIR)/srv/bd/rd/rd \ $(USPACEDIR)/srv/vfs/vfs ifeq ($(RDFMT),tmpfs) Index: boot/arch/mips32/loader/Makefile =================================================================== --- boot/arch/mips32/loader/Makefile (revision 296ddec0722c011f6688a92cbb8da6364647f850) +++ boot/arch/mips32/loader/Makefile (revision e7645de2b5165da2366c5878fc54c226acff223e) @@ -89,5 +89,5 @@ $(USPACEDIR)/app/init/init \ $(USPACEDIR)/srv/devmap/devmap \ - $(USPACEDIR)/srv/rd/rd \ + $(USPACEDIR)/srv/bd/rd/rd \ $(USPACEDIR)/srv/vfs/vfs ifeq ($(RDFMT),tmpfs) Index: boot/arch/ppc32/loader/Makefile =================================================================== --- boot/arch/ppc32/loader/Makefile (revision 296ddec0722c011f6688a92cbb8da6364647f850) +++ boot/arch/ppc32/loader/Makefile (revision e7645de2b5165da2366c5878fc54c226acff223e) @@ -76,5 +76,5 @@ $(USPACEDIR)/app/init/init \ $(USPACEDIR)/srv/devmap/devmap \ - $(USPACEDIR)/srv/rd/rd \ + $(USPACEDIR)/srv/bd/rd/rd \ $(USPACEDIR)/srv/vfs/vfs ifeq ($(RDFMT),tmpfs) Index: boot/arch/sparc64/loader/Makefile =================================================================== --- boot/arch/sparc64/loader/Makefile (revision 296ddec0722c011f6688a92cbb8da6364647f850) +++ boot/arch/sparc64/loader/Makefile (revision e7645de2b5165da2366c5878fc54c226acff223e) @@ -81,5 +81,5 @@ $(USPACEDIR)/srv/loader/loader \ $(USPACEDIR)/srv/devmap/devmap \ - $(USPACEDIR)/srv/rd/rd \ + $(USPACEDIR)/srv/bd/rd/rd \ $(USPACEDIR)/srv/vfs/vfs ifeq ($(RDFMT),tmpfs) Index: uspace/Makefile =================================================================== --- uspace/Makefile (revision 296ddec0722c011f6688a92cbb8da6364647f850) +++ uspace/Makefile (revision e7645de2b5165da2366c5878fc54c226acff223e) @@ -39,4 +39,5 @@ lib/softfloat \ srv/bd/gxe_bd \ + srv/bd/rd \ srv/ns \ srv/loader \ @@ -44,5 +45,4 @@ srv/kbd \ srv/console \ - srv/rd \ srv/fs/fat \ srv/fs/tmpfs \ Index: uspace/srv/bd/rd/Makefile =================================================================== --- uspace/srv/bd/rd/Makefile (revision e7645de2b5165da2366c5878fc54c226acff223e) +++ uspace/srv/bd/rd/Makefile (revision e7645de2b5165da2366c5878fc54c226acff223e) @@ -0,0 +1,76 @@ +# +# Copyright (c) 2006 Martin Decky +# All rights reserved. +# +# Redistribution and use in source and binary forms, with or without +# modification, are permitted provided that the following conditions +# are met: +# +# - Redistributions of source code must retain the above copyright +# notice, this list of conditions and the following disclaimer. +# - Redistributions in binary form must reproduce the above copyright +# notice, this list of conditions and the following disclaimer in the +# documentation and/or other materials provided with the distribution. +# - The name of the author may not be used to endorse or promote products +# derived from this software without specific prior written permission. +# +# THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR +# IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES +# OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. +# IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, +# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT +# NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF +# THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +# + +## Setup toolchain +# + + +LIBC_PREFIX = ../../../lib/libc +SOFTINT_PREFIX = ../../../lib/softint + +include $(LIBC_PREFIX)/Makefile.toolchain + +LIBS = $(LIBC_PREFIX)/libc.a + +## Sources +# + +OUTPUT = rd +SOURCES = \ + rd.c + +OBJECTS := $(addsuffix .o,$(basename $(SOURCES))) + +.PHONY: all clean depend disasm + +all: $(OUTPUT) $(OUTPUT).disasm + +-include Makefile.depend + +clean: + -rm -f $(OUTPUT) $(OUTPUT).map $(OUTPUT).disasm Makefile.depend $(OBJECTS) + +depend: + $(CC) $(DEFS) $(CFLAGS) -M $(SOURCES) > Makefile.depend + +$(OUTPUT): $(OBJECTS) $(LIBS) + $(LD) -T $(LIBC_PREFIX)/arch/$(UARCH)/_link.ld $(OBJECTS) $(LIBS) $(LFLAGS) -o $@ -Map $(OUTPUT).map + +disasm: $(OUTPUT).disasm + +$(OUTPUT).disasm: $(OUTPUT) + $(OBJDUMP) -d $< > $@ + +%.o: %.S + $(CC) $(DEFS) $(AFLAGS) $(CFLAGS) -D__ASM__ -c $< -o $@ + +%.o: %.s + $(AS) $(AFLAGS) $< -o $@ + +%.o: %.c + $(CC) $(DEFS) $(CFLAGS) -c $< -o $@ Index: uspace/srv/bd/rd/rd.c =================================================================== --- uspace/srv/bd/rd/rd.c (revision e7645de2b5165da2366c5878fc54c226acff223e) +++ uspace/srv/bd/rd/rd.c (revision e7645de2b5165da2366c5878fc54c226acff223e) @@ -0,0 +1,239 @@ +/* + * Copyright (c) 2007 Michal Konopa + * Copyright (c) 2007 Martin Jelen + * Copyright (c) 2007 Peter Majer + * Copyright (c) 2007 Jakub Jermar + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * - Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * - Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * - The name of the author may not be used to endorse or promote products + * derived from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES + * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. + * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT + * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF + * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +/** @addtogroup rd + * @{ + */ + +/** + * @file rd.c + * @brief Initial RAM disk for HelenOS. + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#define NAME "rd" + +/** Pointer to the ramdisk's image. */ +static void *rd_addr; +/** Size of the ramdisk. */ +static size_t rd_size; + +/** + * This futex protects the ramdisk's data. + * If we were to serve multiple requests (read + write or several writes) + * concurrently (i.e. from two or more threads), each read and write needs to be + * protected by this futex. + */ +atomic_t rd_futex = FUTEX_INITIALIZER; + +/** Handle one connection to ramdisk. + * + * @param iid Hash of the request that opened the connection. + * @param icall Call data of the request that opened the connection. + */ +static void rd_connection(ipc_callid_t iid, ipc_call_t *icall) +{ + ipc_callid_t callid; + ipc_call_t call; + int retval; + void *fs_va = NULL; + off_t offset; + size_t block_size; + size_t maxblock_size; + + /* + * Answer the first IPC_M_CONNECT_ME_TO call. + */ + ipc_answer_0(iid, EOK); + + /* + * Now we wait for the client to send us its communication as_area. + */ + int flags; + if (ipc_share_out_receive(&callid, &maxblock_size, &flags)) { + fs_va = as_get_mappable_page(maxblock_size); + if (fs_va) { + (void) ipc_share_out_finalize(callid, fs_va); + } else { + ipc_answer_0(callid, EHANGUP); + return; + } + } else { + /* + * The client doesn't speak the same protocol. + * At this point we can't handle protocol variations. + * Close the connection. + */ + ipc_answer_0(callid, EHANGUP); + return; + } + + while (true) { + callid = async_get_call(&call); + switch (IPC_GET_METHOD(call)) { + case IPC_M_PHONE_HUNGUP: + /* + * The other side has hung up. + * Answer the message and exit the fibril. + */ + ipc_answer_0(callid, EOK); + return; + case BD_READ_BLOCK: + offset = IPC_GET_ARG1(call); + block_size = IPC_GET_ARG2(call); + if (block_size > maxblock_size) { + /* + * Maximum block size exceeded. + */ + retval = ELIMIT; + break; + } + if (offset * block_size > rd_size - block_size) { + /* + * Reading past the end of the device. + */ + retval = ELIMIT; + break; + } + futex_down(&rd_futex); + memcpy(fs_va, rd_addr + offset * block_size, block_size); + futex_up(&rd_futex); + retval = EOK; + break; + case BD_WRITE_BLOCK: + offset = IPC_GET_ARG1(call); + block_size = IPC_GET_ARG2(call); + if (block_size > maxblock_size) { + /* + * Maximum block size exceeded. + */ + retval = ELIMIT; + break; + } + if (offset * block_size > rd_size - block_size) { + /* + * Writing past the end of the device. + */ + retval = ELIMIT; + break; + } + futex_up(&rd_futex); + memcpy(rd_addr + offset * block_size, fs_va, block_size); + futex_down(&rd_futex); + retval = EOK; + break; + default: + /* + * The client doesn't speak the same protocol. + * Instead of closing the connection, we just ignore + * the call. This can be useful if the client uses a + * newer version of the protocol. + */ + retval = EINVAL; + break; + } + ipc_answer_0(callid, retval); + } +} + +/** Prepare the ramdisk image for operation. */ +static bool rd_init(void) +{ + rd_size = sysinfo_value("rd.size"); + void *rd_ph_addr = (void *) sysinfo_value("rd.address.physical"); + + if (rd_size == 0) { + printf(NAME ": No RAM disk found\n"); + return false; + } + + rd_addr = as_get_mappable_page(rd_size); + + int flags = AS_AREA_READ | AS_AREA_WRITE | AS_AREA_CACHEABLE; + int retval = physmem_map(rd_ph_addr, rd_addr, + ALIGN_UP(rd_size, PAGE_SIZE) >> PAGE_WIDTH, flags); + + if (retval < 0) { + printf(NAME ": Error mapping RAM disk\n"); + return false; + } + + printf(NAME ": Found RAM disk at %p, %d bytes\n", rd_ph_addr, rd_size); + + int rc = devmap_driver_register(NAME, rd_connection); + if (rc < 0) { + printf(NAME ": Unable to register driver (%d)\n", rc); + return false; + } + + dev_handle_t dev_handle; + if (devmap_device_register("initrd", &dev_handle) != EOK) { + devmap_hangup_phone(DEVMAP_DRIVER); + printf(NAME ": Unable to register device\n"); + return false; + } + + return true; +} + +int main(int argc, char **argv) +{ + printf(NAME ": HelenOS RAM disk server\n"); + + if (!rd_init()) + return -1; + + printf(NAME ": Accepting connections\n"); + async_manager(); + + /* Never reached */ + return 0; +} + +/** + * @} + */ Index: pace/srv/rd/Makefile =================================================================== --- uspace/srv/rd/Makefile (revision 296ddec0722c011f6688a92cbb8da6364647f850) +++ (revision ) @@ -1,76 +1,0 @@ -# -# Copyright (c) 2006 Martin Decky -# All rights reserved. -# -# Redistribution and use in source and binary forms, with or without -# modification, are permitted provided that the following conditions -# are met: -# -# - Redistributions of source code must retain the above copyright -# notice, this list of conditions and the following disclaimer. -# - Redistributions in binary form must reproduce the above copyright -# notice, this list of conditions and the following disclaimer in the -# documentation and/or other materials provided with the distribution. -# - The name of the author may not be used to endorse or promote products -# derived from this software without specific prior written permission. -# -# THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR -# IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES -# OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. -# IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, -# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT -# NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, -# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY -# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT -# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF -# THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. -# - -## Setup toolchain -# - - -LIBC_PREFIX = ../../lib/libc -SOFTINT_PREFIX = ../../lib/softint - -include $(LIBC_PREFIX)/Makefile.toolchain - -LIBS = $(LIBC_PREFIX)/libc.a - -## Sources -# - -OUTPUT = rd -SOURCES = \ - rd.c - -OBJECTS := $(addsuffix .o,$(basename $(SOURCES))) - -.PHONY: all clean depend disasm - -all: $(OUTPUT) $(OUTPUT).disasm - --include Makefile.depend - -clean: - -rm -f $(OUTPUT) $(OUTPUT).map $(OUTPUT).disasm Makefile.depend $(OBJECTS) - -depend: - $(CC) $(DEFS) $(CFLAGS) -M $(SOURCES) > Makefile.depend - -$(OUTPUT): $(OBJECTS) $(LIBS) - $(LD) -T $(LIBC_PREFIX)/arch/$(UARCH)/_link.ld $(OBJECTS) $(LIBS) $(LFLAGS) -o $@ -Map $(OUTPUT).map - -disasm: $(OUTPUT).disasm - -$(OUTPUT).disasm: $(OUTPUT) - $(OBJDUMP) -d $< > $@ - -%.o: %.S - $(CC) $(DEFS) $(AFLAGS) $(CFLAGS) -D__ASM__ -c $< -o $@ - -%.o: %.s - $(AS) $(AFLAGS) $< -o $@ - -%.o: %.c - $(CC) $(DEFS) $(CFLAGS) -c $< -o $@ Index: pace/srv/rd/rd.c =================================================================== --- uspace/srv/rd/rd.c (revision 296ddec0722c011f6688a92cbb8da6364647f850) +++ (revision ) @@ -1,239 +1,0 @@ -/* - * Copyright (c) 2007 Michal Konopa - * Copyright (c) 2007 Martin Jelen - * Copyright (c) 2007 Peter Majer - * Copyright (c) 2007 Jakub Jermar - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * - * - Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * - Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * - The name of the author may not be used to endorse or promote products - * derived from this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR - * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES - * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. - * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, - * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT - * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, - * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY - * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF - * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - */ - -/** @addtogroup rd - * @{ - */ - -/** - * @file rd.c - * @brief Initial RAM disk for HelenOS. - */ - -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include - -#define NAME "rd" - -/** Pointer to the ramdisk's image. */ -static void *rd_addr; -/** Size of the ramdisk. */ -static size_t rd_size; - -/** - * This futex protects the ramdisk's data. - * If we were to serve multiple requests (read + write or several writes) - * concurrently (i.e. from two or more threads), each read and write needs to be - * protected by this futex. - */ -atomic_t rd_futex = FUTEX_INITIALIZER; - -/** Handle one connection to ramdisk. - * - * @param iid Hash of the request that opened the connection. - * @param icall Call data of the request that opened the connection. - */ -static void rd_connection(ipc_callid_t iid, ipc_call_t *icall) -{ - ipc_callid_t callid; - ipc_call_t call; - int retval; - void *fs_va = NULL; - off_t offset; - size_t block_size; - size_t maxblock_size; - - /* - * Answer the first IPC_M_CONNECT_ME_TO call. - */ - ipc_answer_0(iid, EOK); - - /* - * Now we wait for the client to send us its communication as_area. - */ - int flags; - if (ipc_share_out_receive(&callid, &maxblock_size, &flags)) { - fs_va = as_get_mappable_page(maxblock_size); - if (fs_va) { - (void) ipc_share_out_finalize(callid, fs_va); - } else { - ipc_answer_0(callid, EHANGUP); - return; - } - } else { - /* - * The client doesn't speak the same protocol. - * At this point we can't handle protocol variations. - * Close the connection. - */ - ipc_answer_0(callid, EHANGUP); - return; - } - - while (true) { - callid = async_get_call(&call); - switch (IPC_GET_METHOD(call)) { - case IPC_M_PHONE_HUNGUP: - /* - * The other side has hung up. - * Answer the message and exit the fibril. - */ - ipc_answer_0(callid, EOK); - return; - case BD_READ_BLOCK: - offset = IPC_GET_ARG1(call); - block_size = IPC_GET_ARG2(call); - if (block_size > maxblock_size) { - /* - * Maximum block size exceeded. - */ - retval = ELIMIT; - break; - } - if (offset * block_size > rd_size - block_size) { - /* - * Reading past the end of the device. - */ - retval = ELIMIT; - break; - } - futex_down(&rd_futex); - memcpy(fs_va, rd_addr + offset * block_size, block_size); - futex_up(&rd_futex); - retval = EOK; - break; - case BD_WRITE_BLOCK: - offset = IPC_GET_ARG1(call); - block_size = IPC_GET_ARG2(call); - if (block_size > maxblock_size) { - /* - * Maximum block size exceeded. - */ - retval = ELIMIT; - break; - } - if (offset * block_size > rd_size - block_size) { - /* - * Writing past the end of the device. - */ - retval = ELIMIT; - break; - } - futex_up(&rd_futex); - memcpy(rd_addr + offset * block_size, fs_va, block_size); - futex_down(&rd_futex); - retval = EOK; - break; - default: - /* - * The client doesn't speak the same protocol. - * Instead of closing the connection, we just ignore - * the call. This can be useful if the client uses a - * newer version of the protocol. - */ - retval = EINVAL; - break; - } - ipc_answer_0(callid, retval); - } -} - -/** Prepare the ramdisk image for operation. */ -static bool rd_init(void) -{ - rd_size = sysinfo_value("rd.size"); - void *rd_ph_addr = (void *) sysinfo_value("rd.address.physical"); - - if (rd_size == 0) { - printf(NAME ": No RAM disk found\n"); - return false; - } - - rd_addr = as_get_mappable_page(rd_size); - - int flags = AS_AREA_READ | AS_AREA_WRITE | AS_AREA_CACHEABLE; - int retval = physmem_map(rd_ph_addr, rd_addr, - ALIGN_UP(rd_size, PAGE_SIZE) >> PAGE_WIDTH, flags); - - if (retval < 0) { - printf(NAME ": Error mapping RAM disk\n"); - return false; - } - - printf(NAME ": Found RAM disk at %p, %d bytes\n", rd_ph_addr, rd_size); - - int rc = devmap_driver_register(NAME, rd_connection); - if (rc < 0) { - printf(NAME ": Unable to register driver (%d)\n", rc); - return false; - } - - dev_handle_t dev_handle; - if (devmap_device_register("initrd", &dev_handle) != EOK) { - devmap_hangup_phone(DEVMAP_DRIVER); - printf(NAME ": Unable to register device\n"); - return false; - } - - return true; -} - -int main(int argc, char **argv) -{ - printf(NAME ": HelenOS RAM disk server\n"); - - if (!rd_init()) - return -1; - - printf(NAME ": Accepting connections\n"); - async_manager(); - - /* Never reached */ - return 0; -} - -/** - * @} - */