Index: uspace/lib/libc/arch/mips32/Makefile.inc =================================================================== --- uspace/lib/libc/arch/mips32/Makefile.inc (revision bb54db8adf4487558f5ccf7da52b4bf5f49cd8da) +++ uspace/lib/libc/arch/mips32/Makefile.inc (revision ec01adf792cc98673b1eb8d4405d8a1e678e1279) @@ -41,5 +41,5 @@ ARCH_SOURCES += arch/$(ARCH)/src/syscall.c \ arch/$(ARCH)/src/fibril.S \ - arch/$(ARCH)/src/thread.c + arch/$(ARCH)/src/tls.c Index: uspace/lib/libc/arch/mips32/include/thread.h =================================================================== --- uspace/lib/libc/arch/mips32/include/thread.h (revision bb54db8adf4487558f5ccf7da52b4bf5f49cd8da) +++ uspace/lib/libc/arch/mips32/include/thread.h (revision ec01adf792cc98673b1eb8d4405d8a1e678e1279) @@ -34,43 +34,6 @@ */ -/* TLS for MIPS is described in http://www.linux-mips.org/wiki/NPTL */ - #ifndef LIBC_mips32_THREAD_H_ #define LIBC_mips32_THREAD_H_ - -/* I did not find any specification (neither MIPS nor PowerPC), but - * as I found it - * - it uses Variant II - * - TCB is at Address(First TLS Block)+0x7000. - * - DTV is at Address(First TLS Block)+0x8000 - * - What would happen if the TLS data was larger then 0x7000? - * - The linker never accesses DTV directly, has the second definition any - * sense? - * We will make it this way: - * - TCB is at TP-0x7000-sizeof(tcb) - * - No assumption about DTV etc., but it will not have a fixed address - */ -#define MIPS_TP_OFFSET 0x7000 - -typedef struct { - void *fibril_data; -} tcb_t; - -static inline void __tcb_set(tcb_t *tcb) -{ - void *tp = tcb; - tp += MIPS_TP_OFFSET + sizeof(tcb_t); - - asm volatile ("add $27, %0, $0" : : "r"(tp)); /* Move tls to K1 */ -} - -static inline tcb_t * __tcb_get(void) -{ - void * retval; - - asm volatile("add %0, $27, $0" : "=r"(retval)); - - return (tcb_t *)(retval - MIPS_TP_OFFSET - sizeof(tcb_t)); -} #endif Index: uspace/lib/libc/arch/mips32/include/tls.h =================================================================== --- uspace/lib/libc/arch/mips32/include/tls.h (revision ec01adf792cc98673b1eb8d4405d8a1e678e1279) +++ uspace/lib/libc/arch/mips32/include/tls.h (revision ec01adf792cc98673b1eb8d4405d8a1e678e1279) @@ -0,0 +1,86 @@ +/* + * Copyright (c) 2006 Ondrej Palkovsky + * 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 libcmips32 + * @{ + */ +/** @file + * @ingroup libcmips32eb + */ + +/* TLS for MIPS is described in http://www.linux-mips.org/wiki/NPTL */ + +#ifndef LIBC_mips32_TLS_H_ +#define LIBC_mips32_TLS_H_ + +/* + * FIXME: Note that the use of variant I contradicts the observations made in + * the note below. Nevertheless the scheme we have used for allocating and + * deallocatin TLS corresponds to TLS variant I. + */ +#define CONFIG_TLS_VARIANT_1 + +/* I did not find any specification (neither MIPS nor PowerPC), but + * as I found it + * - it uses Variant II + * - TCB is at Address(First TLS Block)+0x7000. + * - DTV is at Address(First TLS Block)+0x8000 + * - What would happen if the TLS data was larger then 0x7000? + * - The linker never accesses DTV directly, has the second definition any + * sense? + * We will make it this way: + * - TCB is at TP-0x7000-sizeof(tcb) + * - No assumption about DTV etc., but it will not have a fixed address + */ +#define MIPS_TP_OFFSET 0x7000 + +typedef struct { + void *fibril_data; +} tcb_t; + +static inline void __tcb_set(tcb_t *tcb) +{ + void *tp = tcb; + tp += MIPS_TP_OFFSET + sizeof(tcb_t); + + asm volatile ("add $27, %0, $0" : : "r"(tp)); /* Move tls to K1 */ +} + +static inline tcb_t * __tcb_get(void) +{ + void * retval; + + asm volatile("add %0, $27, $0" : "=r"(retval)); + + return (tcb_t *)(retval - MIPS_TP_OFFSET - sizeof(tcb_t)); +} + +#endif + +/** @} + */ Index: uspace/lib/libc/arch/mips32/src/thread.c =================================================================== --- uspace/lib/libc/arch/mips32/src/thread.c (revision bb54db8adf4487558f5ccf7da52b4bf5f49cd8da) +++ (revision ) @@ -1,60 +1,0 @@ -/* - * Copyright (c) 2006 Ondrej Palkovsky - * 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 libcmips32 - * @{ - */ -/** @file - * @ingroup libcmips32eb - */ - -#include -#include - -/** Allocate TLS & TCB for initial module threads - * - * @param data (out) Start of TLS section - * @param size Size of tdata+tbss section - * @return pointer to tcb_t structure - */ -tcb_t * __alloc_tls(void **data, size_t size) -{ - tcb_t *result; - - result = malloc(sizeof(tcb_t) + size); - *data = ((void *)result) + sizeof(tcb_t); - return result; -} - -void __free_tls_arch(tcb_t *tcb, size_t size) -{ - free(tcb); -} - -/** @} - */ Index: uspace/lib/libc/arch/mips32/src/tls.c =================================================================== --- uspace/lib/libc/arch/mips32/src/tls.c (revision ec01adf792cc98673b1eb8d4405d8a1e678e1279) +++ uspace/lib/libc/arch/mips32/src/tls.c (revision ec01adf792cc98673b1eb8d4405d8a1e678e1279) @@ -0,0 +1,50 @@ +/* + * Copyright (c) 2006 Ondrej Palkovsky + * 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 libcmips32 + * @{ + */ +/** @file + * @ingroup libcmips32eb + */ + +#include +#include + +tcb_t * __alloc_tls(void **data, size_t size) +{ + return tls_alloc_variant_1(data, size); +} + +void __free_tls_arch(tcb_t *tcb, size_t size) +{ + tls_free_variant_1(tcb, size); +} + +/** @} + */