Index: uspace/lib/libc/arch/ia32/Makefile.inc =================================================================== --- uspace/lib/libc/arch/ia32/Makefile.inc (revision 00acd66d3981789b3f8b04cdd854d29343dd9aa0) +++ uspace/lib/libc/arch/ia32/Makefile.inc (revision 00acd66d3981789b3f8b04cdd854d29343dd9aa0) @@ -0,0 +1,42 @@ +# +# Copyright (c) 2005 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. +# + +## Toolchain configuration +# + +TARGET = i686-pc-linux-gnu +TOOLCHAIN_DIR = /usr/local/i686/bin + +ARCH_SOURCES += arch/$(ARCH)/src/syscall.c \ + arch/$(ARCH)/src/psthread.S \ + arch/$(ARCH)/src/thread.c + +LFLAGS += -N + +BFD_NAME = elf32-i386 +BFD_ARCH = i386 Index: uspace/lib/libc/arch/ia32/_link.ld.in =================================================================== --- uspace/lib/libc/arch/ia32/_link.ld.in (revision 00acd66d3981789b3f8b04cdd854d29343dd9aa0) +++ uspace/lib/libc/arch/ia32/_link.ld.in (revision 00acd66d3981789b3f8b04cdd854d29343dd9aa0) @@ -0,0 +1,45 @@ +STARTUP(../../lib/libc/arch/ARCH/src/entry.o) +ENTRY(__entry) + +PHDRS { + text PT_LOAD FLAGS(5); + data PT_LOAD FLAGS(6); +} + +SECTIONS { + . = 0x1000; + + .init ALIGN(0x1000) : SUBALIGN(0x1000) { + *(.init); + } :text + .text : { + *(.text); + *(.rodata*); + } :text + + .data ALIGN(0x1000) : SUBALIGN(0x1000) { + *(.data); + } :data + .tdata : { + _tdata_start = .; + *(.tdata); + _tdata_end = .; + } :data + .tbss : { + _tbss_start = .; + *(.tbss); + _tbss_end = .; + } :data + .bss : { + *(COMMON); + *(.bss); + } :data + + . = ALIGN(0x1000); + _heap = .; + + /DISCARD/ : { + *(*); + } + +} Index: uspace/lib/libc/arch/ia32/include/atomic.h =================================================================== --- uspace/lib/libc/arch/ia32/include/atomic.h (revision 00acd66d3981789b3f8b04cdd854d29343dd9aa0) +++ uspace/lib/libc/arch/ia32/include/atomic.h (revision 00acd66d3981789b3f8b04cdd854d29343dd9aa0) @@ -0,0 +1,78 @@ +/* + * Copyright (c) 2001-2004 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 libcia32 + * @{ + */ +/** @file + */ + +#ifndef LIBC_ia32_ATOMIC_H_ +#define LIBC_ia32_ATOMIC_H_ + +static inline void atomic_inc(atomic_t *val) { + asm volatile ("lock incl %0\n" : "=m" (val->count)); +} + +static inline void atomic_dec(atomic_t *val) { + asm volatile ("lock decl %0\n" : "=m" (val->count)); +} + +static inline long atomic_postinc(atomic_t *val) +{ + long r; + + asm volatile ( + "movl $1, %0\n" + "lock xaddl %0, %1\n" + : "=r" (r), "=m" (val->count) + ); + + return r; +} + +static inline long atomic_postdec(atomic_t *val) +{ + long r; + + asm volatile ( + "movl $-1, %0\n" + "lock xaddl %0, %1\n" + : "=r" (r), "=m" (val->count) + ); + + return r; +} + +#define atomic_preinc(val) (atomic_postinc(val)+1) +#define atomic_predec(val) (atomic_postdec(val)-1) + +#endif + +/** @} + */ Index: uspace/lib/libc/arch/ia32/include/config.h =================================================================== --- uspace/lib/libc/arch/ia32/include/config.h (revision 00acd66d3981789b3f8b04cdd854d29343dd9aa0) +++ uspace/lib/libc/arch/ia32/include/config.h (revision 00acd66d3981789b3f8b04cdd854d29343dd9aa0) @@ -0,0 +1,45 @@ +/* + * Copyright (c) 2006 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 libcia32 + * @{ + */ +/** @file + */ + +#ifndef LIBC_ia32_CONFIG_H_ +#define LIBC_ia32_CONFIG_H_ + +#define PAGE_WIDTH 12 +#define PAGE_SIZE (1< directly - use instead." +#endif + +#define __BYTE_ORDER __LITTLE_ENDIAN + +#endif + +/** @} + */ Index: uspace/lib/libc/arch/ia32/include/faddr.h =================================================================== --- uspace/lib/libc/arch/ia32/include/faddr.h (revision 00acd66d3981789b3f8b04cdd854d29343dd9aa0) +++ uspace/lib/libc/arch/ia32/include/faddr.h (revision 00acd66d3981789b3f8b04cdd854d29343dd9aa0) @@ -0,0 +1,45 @@ +/* + * Copyright (c) 2005 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 libcia32 + * @{ + */ +/** @file + */ + +#ifndef LIBC_ia32_FADDR_H_ +#define LIBC_ia32_FADDR_H_ + +#include + +#define FADDR(fptr) ((uintptr_t) (fptr)) + +#endif + +/** @} + */ Index: uspace/lib/libc/arch/ia32/include/limits.h =================================================================== --- uspace/lib/libc/arch/ia32/include/limits.h (revision 00acd66d3981789b3f8b04cdd854d29343dd9aa0) +++ uspace/lib/libc/arch/ia32/include/limits.h (revision 00acd66d3981789b3f8b04cdd854d29343dd9aa0) @@ -0,0 +1,46 @@ +/* + * Copyright (c) 2006 Josef Cejka + * 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 libcia32 + * @{ + */ +/** @file + */ + +#ifndef LIBC_ia32__LIMITS_H_ +#define LIBC_ia32__LIMITS_H_ + +# define LONG_MIN MIN_INT32 +# define LONG_MAX MAX_INT32 +# define ULONG_MIN MIN_UINT32 +# define ULONG_MAX MAX_UINT32 + +#endif + +/** @} + */ Index: uspace/lib/libc/arch/ia32/include/psthread.h =================================================================== --- uspace/lib/libc/arch/ia32/include/psthread.h (revision 00acd66d3981789b3f8b04cdd854d29343dd9aa0) +++ uspace/lib/libc/arch/ia32/include/psthread.h (revision 00acd66d3981789b3f8b04cdd854d29343dd9aa0) @@ -0,0 +1,64 @@ +/* + * 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 libcia32 + * @{ + */ +/** @file + */ + +#ifndef LIBC_ia32_PSTHREAD_H_ +#define LIBC_ia32_PSTHREAD_H_ + +#include + +/* According to ABI the stack MUST be aligned on + * 16-byte boundary. If it is not, the va_arg calling will + * panic sooner or later + */ +#define SP_DELTA (12) + +/* We include only registers that must be preserved + * during function call + */ +typedef struct { + uint32_t sp; + uint32_t pc; + + uint32_t ebx; + uint32_t esi; + uint32_t edi; + uint32_t ebp; + + uint32_t tls; +} context_t; + +#endif + +/** @} + */ Index: uspace/lib/libc/arch/ia32/include/stackarg.h =================================================================== --- uspace/lib/libc/arch/ia32/include/stackarg.h (revision 00acd66d3981789b3f8b04cdd854d29343dd9aa0) +++ uspace/lib/libc/arch/ia32/include/stackarg.h (revision 00acd66d3981789b3f8b04cdd854d29343dd9aa0) @@ -0,0 +1,66 @@ +/* + * Copyright (c) 2005 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 libcia32 + * @{ + */ +/** @file + */ + +/* + * Variable argument list manipulation macros + * for architectures using stack to pass arguments. + */ + +#ifndef LIBC_ia32_STACKARG_H_ +#define LIBC_ia32_STACKARG_H_ + +#include + +/* dont allow to define it second time in stdarg.h */ +#define __VARARGS_DEFINED + +typedef struct va_list { + int pos; + uint8_t *last; +} va_list; + +#define va_start(ap, lst) \ + (ap).pos = sizeof(lst); \ + (ap).last = (uint8_t *) &(lst) + +#define va_arg(ap, type) \ + (*((type *)((ap).last + ((ap).pos += sizeof(type) ) - sizeof(type)))) + +#define va_end(ap) + + +#endif + +/** @} + */ Index: uspace/lib/libc/arch/ia32/include/syscall.h =================================================================== --- uspace/lib/libc/arch/ia32/include/syscall.h (revision 00acd66d3981789b3f8b04cdd854d29343dd9aa0) +++ uspace/lib/libc/arch/ia32/include/syscall.h (revision 00acd66d3981789b3f8b04cdd854d29343dd9aa0) @@ -0,0 +1,44 @@ +/* + * Copyright (c) 2005 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. + */ + +/** @addtogroup libc + * @{ + */ +/** + * @file + */ + +#ifndef LIBC_ia32_SYSCALL_H_ +#define LIBC_ia32_SYSCALL_H_ + +#include + +#endif + +/** @} + */ Index: uspace/lib/libc/arch/ia32/include/thread.h =================================================================== --- uspace/lib/libc/arch/ia32/include/thread.h (revision 00acd66d3981789b3f8b04cdd854d29343dd9aa0) +++ uspace/lib/libc/arch/ia32/include/thread.h (revision 00acd66d3981789b3f8b04cdd854d29343dd9aa0) @@ -0,0 +1,61 @@ +/* + * 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 libcia32 + * @{ + */ +/** @file + */ + +#ifndef LIBC_ia32_THREAD_H_ +#define LIBC_ia32_THREAD_H_ + +#include + +typedef struct { + void *self; + void *pst_data; +} tcb_t; + +static inline void __tcb_set(tcb_t *tcb) +{ + __SYSCALL1(SYS_TLS_SET, (sysarg_t) tcb); +} + +static inline tcb_t * __tcb_get(void) +{ + void * retval; + + asm ("movl %%gs:0, %0" : "=r"(retval)); + return retval; +} + +#endif + +/** @} + */ Index: uspace/lib/libc/arch/ia32/include/types.h =================================================================== --- uspace/lib/libc/arch/ia32/include/types.h (revision 00acd66d3981789b3f8b04cdd854d29343dd9aa0) +++ uspace/lib/libc/arch/ia32/include/types.h (revision 00acd66d3981789b3f8b04cdd854d29343dd9aa0) @@ -0,0 +1,58 @@ +/* + * Copyright (c) 2005 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. + */ + +/** @addtogroup libcia32 + * @{ + */ +/** @file + */ + +#ifndef LIBC_ia32_TYPES_H_ +#define LIBC_ia32_TYPES_H_ + +typedef unsigned int sysarg_t; +typedef unsigned int size_t; +typedef signed int ssize_t; +typedef ssize_t off_t; + +typedef char int8_t; +typedef short int int16_t; +typedef int int32_t; +typedef long long int int64_t; + +typedef unsigned char uint8_t; +typedef unsigned short int uint16_t; +typedef unsigned int uint32_t; +typedef unsigned long long int uint64_t; + +typedef uint32_t uintptr_t; + +#endif + +/** @} + */ Index: uspace/lib/libc/arch/ia32/src/entry.s =================================================================== --- uspace/lib/libc/arch/ia32/src/entry.s (revision 00acd66d3981789b3f8b04cdd854d29343dd9aa0) +++ uspace/lib/libc/arch/ia32/src/entry.s (revision 00acd66d3981789b3f8b04cdd854d29343dd9aa0) @@ -0,0 +1,60 @@ +# +# Copyright (c) 2005 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. +# + +.section .init, "ax" + +.org 0 + +.globl __entry +.globl __entry_driver + +## User-space task entry point +# +# +__entry: + mov %ss, %ax + mov %ax, %ds + mov %ax, %es + mov %ax, %fs + # Do not set %gs, it contains descriptor that can see TLS + + call __main + call __io_init + call main + call __exit + +__entry_driver: + mov %ss, %ax + mov %ax, %ds + mov %ax, %es + mov %ax, %fs + # Do not set %gs, it contains descriptor that can see TLS + + call __main + call main + call __exit Index: uspace/lib/libc/arch/ia32/src/psthread.S =================================================================== --- uspace/lib/libc/arch/ia32/src/psthread.S (revision 00acd66d3981789b3f8b04cdd854d29343dd9aa0) +++ uspace/lib/libc/arch/ia32/src/psthread.S (revision 00acd66d3981789b3f8b04cdd854d29343dd9aa0) @@ -0,0 +1,84 @@ +# +# Copyright (c) 2001-2004 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. +# + +.text + +.global context_save +.global context_restore + + +## Save current CPU context +# +# Save CPU context to the context_t variable +# pointed by the 1st argument. Returns 1 in EAX. +# +context_save: + movl 0(%esp),%eax # the caller's return %eip + movl 4(%esp),%edx # address of the kernel_context variable to save context to + + movl %esp,0(%edx) # %esp -> ctx->sp + movl %eax,4(%edx) # %eip -> ctx->pc + movl %ebx,8(%edx) # %ebx -> ctx->ebx + movl %esi,12(%edx) # %esi -> ctx->esi + movl %edi,16(%edx) # %edi -> ctx->edi + movl %ebp,20(%edx) # %ebp -> ctx->ebp + + # Save TLS + movl %gs:0, %eax + movl %eax, 24(%edx) # tls -> ctx->tls + + xorl %eax,%eax # context_save returns 1 + incl %eax + ret + + +## Restore saved CPU context +# +# Restore CPU context from context_t variable +# pointed by the 1st argument. Returns 0 in EAX. +# +context_restore: + movl 4(%esp),%eax # address of the kernel_context variable to restore context from + movl 0(%eax),%esp # ctx->sp -> %esp + movl 4(%eax),%edx # ctx->pc -> %edx + movl 8(%eax),%ebx # ctx->ebx -> %ebx + movl 12(%eax),%esi # ctx->esi -> %esi + movl 16(%eax),%edi # ctx->edi -> %edi + movl 20(%eax),%ebp # ctx->ebp -> %ebp + + movl %edx,0(%esp) # ctx->pc -> saver's return %eip + + # Set thread local storage + pushl %edi + movl 24(%eax), %eax # Set arg1 to TLS addr + movl $1, %edi # Syscall 1 + int $0x30 + popl %edi + + xorl %eax,%eax # context_restore returns 0 + ret Index: uspace/lib/libc/arch/ia32/src/syscall.c =================================================================== --- uspace/lib/libc/arch/ia32/src/syscall.c (revision 00acd66d3981789b3f8b04cdd854d29343dd9aa0) +++ uspace/lib/libc/arch/ia32/src/syscall.c (revision 00acd66d3981789b3f8b04cdd854d29343dd9aa0) @@ -0,0 +1,59 @@ +/* + * Copyright (c) 2005 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. + */ + +/** @addtogroup libcia32 ia32 + * @brief ia32 architecture dependent parts of libc + * @ingroup lc + * @{ + */ +/** @file + */ + +#include +#include + +sysarg_t __syscall(const sysarg_t p1, const sysarg_t p2, const sysarg_t p3, + const sysarg_t p4, const syscall_t id) +{ + sysarg_t ret; + + asm volatile ( + "int $0x30\n" + : "=a" (ret) + : "a" (p1), + "c" (p2), + "d" (p3), + "S" (p4), + "D" (id) + ); + + return ret; +} + +/** @} + */ Index: uspace/lib/libc/arch/ia32/src/thread.c =================================================================== --- uspace/lib/libc/arch/ia32/src/thread.c (revision 00acd66d3981789b3f8b04cdd854d29343dd9aa0) +++ uspace/lib/libc/arch/ia32/src/thread.c (revision 00acd66d3981789b3f8b04cdd854d29343dd9aa0) @@ -0,0 +1,1 @@ +../../amd64/src/thread.c Index: uspace/lib/libc/arch/ia32/src/thread_entry.s =================================================================== --- uspace/lib/libc/arch/ia32/src/thread_entry.s (revision 00acd66d3981789b3f8b04cdd854d29343dd9aa0) +++ uspace/lib/libc/arch/ia32/src/thread_entry.s (revision 00acd66d3981789b3f8b04cdd854d29343dd9aa0) @@ -0,0 +1,53 @@ +# +# Copyright (c) 2006 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. +# + +.text + +.globl __thread_entry + +## User-space thread entry point for all but the first threads. +# +# +__thread_entry: + mov %ss, %dx + mov %dx, %ds + mov %dx, %es + mov %dx, %fs + # Do not set %gs, it contains descriptor that can see TLS + + # + # EAX contains address of uarg. + # + pushl %eax + call __thread_main + + # + # Not reached. + # + +.end __thread_entry