Index: uspace/lib/c/Makefile =================================================================== --- uspace/lib/c/Makefile (revision dabaa83b25c423e925fe9c02776f001dc124f49b) +++ uspace/lib/c/Makefile (revision f3f41498e327dbcb4cefa602eec09e68135fa2cd) @@ -217,8 +217,8 @@ include $(USPACE_PREFIX)/Makefile.common -$(LIBC_PREFIX)/crt0.o: $(LIBC_PREFIX)/arch/$(UARCH)/src/entry.o +$(LIBC_PREFIX)/crt0.o: $(LIBC_PREFIX)/arch/$(UARCH)/src/crt0.o cp $< $@ -$(LIBC_PREFIX)/crt1.o: $(LIBC_PREFIX)/generic/crt/entry.o +$(LIBC_PREFIX)/crt1.o: $(LIBC_PREFIX)/generic/crt/crt1.o cp $< $@ Index: uspace/lib/c/arch/abs32le/src/crt0.c =================================================================== --- uspace/lib/c/arch/abs32le/src/crt0.c (revision f3f41498e327dbcb4cefa602eec09e68135fa2cd) +++ uspace/lib/c/arch/abs32le/src/crt0.c (revision f3f41498e327dbcb4cefa602eec09e68135fa2cd) @@ -0,0 +1,45 @@ +/* + * Copyright (c) 2010 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. + */ + +/** @file + */ + +#include + +extern void _start(void); +extern void __c_start(void *); + +/* Normally, the entry point is defined in assembly for the architecture. */ + +void _start(void) +{ + __c_start(NULL); +} + +/** @} + */ Index: pace/lib/c/arch/abs32le/src/entry.c =================================================================== --- uspace/lib/c/arch/abs32le/src/entry.c (revision dabaa83b25c423e925fe9c02776f001dc124f49b) +++ (revision ) @@ -1,45 +1,0 @@ -/* - * Copyright (c) 2010 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. - */ - -/** @file - */ - -#include - -extern void _start(void); -extern void __c_start(void *); - -/* Normally, the entry point is defined in assembly for the architecture. */ - -void _start(void) -{ - __c_start(NULL); -} - -/** @} - */ Index: uspace/lib/c/arch/amd64/src/crt0.S =================================================================== --- uspace/lib/c/arch/amd64/src/crt0.S (revision f3f41498e327dbcb4cefa602eec09e68135fa2cd) +++ uspace/lib/c/arch/amd64/src/crt0.S (revision f3f41498e327dbcb4cefa602eec09e68135fa2cd) @@ -0,0 +1,49 @@ +# +# 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. +# + +#include + +.text + +.org 0 + +## User-space task entry point +# +# %rdi contains the PCB pointer +# +SYMBOL(_start) + # + # Create the first stack frame. + # + pushq $0 + pushq $0 + movq %rsp, %rbp + + # %rdi was deliberately chosen as the first argument is also in %rdi + # Pass PCB pointer to __c_start (no operation) + call FUNCTION_REF(__c_start) Index: pace/lib/c/arch/amd64/src/entry.S =================================================================== --- uspace/lib/c/arch/amd64/src/entry.S (revision dabaa83b25c423e925fe9c02776f001dc124f49b) +++ (revision ) @@ -1,49 +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. -# - -#include - -.text - -.org 0 - -## User-space task entry point -# -# %rdi contains the PCB pointer -# -SYMBOL(_start) - # - # Create the first stack frame. - # - pushq $0 - pushq $0 - movq %rsp, %rbp - - # %rdi was deliberately chosen as the first argument is also in %rdi - # Pass PCB pointer to __c_start (no operation) - call FUNCTION_REF(__c_start) Index: uspace/lib/c/arch/arm32/src/crt0.S =================================================================== --- uspace/lib/c/arch/arm32/src/crt0.S (revision f3f41498e327dbcb4cefa602eec09e68135fa2cd) +++ uspace/lib/c/arch/arm32/src/crt0.S (revision f3f41498e327dbcb4cefa602eec09e68135fa2cd) @@ -0,0 +1,57 @@ +# +# Copyright (c) 2007 Michal Kebrt, Pavel Jancik +# 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. +# + +#include + +.text + +.org 0 + +## User-space task entry point +# +# r1 contains the PCB pointer +# r2 contains the RAS page address +# +SYMBOL(_start) + # Store the RAS page address into the ras_page variable + ldr r0, =ras_page + str r2, [r0] + + # + # Create the first stack frame. + # + mov fp, #0 + mov ip, sp + push {fp, ip, lr, pc} + sub fp, ip, #4 + + # Pass pcb_ptr to __c_start as the first argument (in r0) + mov r0, r1 + bl __c_start + +.data Index: pace/lib/c/arch/arm32/src/entry.S =================================================================== --- uspace/lib/c/arch/arm32/src/entry.S (revision dabaa83b25c423e925fe9c02776f001dc124f49b) +++ (revision ) @@ -1,57 +1,0 @@ -# -# Copyright (c) 2007 Michal Kebrt, Pavel Jancik -# 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. -# - -#include - -.text - -.org 0 - -## User-space task entry point -# -# r1 contains the PCB pointer -# r2 contains the RAS page address -# -SYMBOL(_start) - # Store the RAS page address into the ras_page variable - ldr r0, =ras_page - str r2, [r0] - - # - # Create the first stack frame. - # - mov fp, #0 - mov ip, sp - push {fp, ip, lr, pc} - sub fp, ip, #4 - - # Pass pcb_ptr to __c_start as the first argument (in r0) - mov r0, r1 - bl __c_start - -.data Index: uspace/lib/c/arch/arm64/src/crt0.S =================================================================== --- uspace/lib/c/arch/arm64/src/crt0.S (revision f3f41498e327dbcb4cefa602eec09e68135fa2cd) +++ uspace/lib/c/arch/arm64/src/crt0.S (revision f3f41498e327dbcb4cefa602eec09e68135fa2cd) @@ -0,0 +1,48 @@ +# +# Copyright (c) 2015 Petr Pavlu +# 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. +# + +#include + +.text + +.org 0 + +## User-space task entry point +# +# x0 contains the PCB pointer +# +SYMBOL(_start) + # + # Create the first stack frame. + # + mov x29, #0 + stp x29, x30, [sp, #-16]! + mov x29, sp + + # Pass pcb_ptr to __c_start as the first argument (in x0) + bl __c_start Index: pace/lib/c/arch/arm64/src/entry.S =================================================================== --- uspace/lib/c/arch/arm64/src/entry.S (revision dabaa83b25c423e925fe9c02776f001dc124f49b) +++ (revision ) @@ -1,48 +1,0 @@ -# -# Copyright (c) 2015 Petr Pavlu -# 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. -# - -#include - -.text - -.org 0 - -## User-space task entry point -# -# x0 contains the PCB pointer -# -SYMBOL(_start) - # - # Create the first stack frame. - # - mov x29, #0 - stp x29, x30, [sp, #-16]! - mov x29, sp - - # Pass pcb_ptr to __c_start as the first argument (in x0) - bl __c_start Index: uspace/lib/c/arch/ia32/src/crt0.S =================================================================== --- uspace/lib/c/arch/ia32/src/crt0.S (revision f3f41498e327dbcb4cefa602eec09e68135fa2cd) +++ uspace/lib/c/arch/ia32/src/crt0.S (revision f3f41498e327dbcb4cefa602eec09e68135fa2cd) @@ -0,0 +1,69 @@ +# +# 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. +# + +#include + +INTEL_CPUID_STANDARD = 1 +INTEL_SEP = 11 + +.text + +.org 0 + +## User-space task entry point +# +# %edi contains the PCB pointer +# +SYMBOL(_start) + mov %ss, %ax + mov %ax, %ds + mov %ax, %es + mov %ax, %fs + # Do not set %gs, it contains descriptor that can see TLS + +#ifndef PROCESSOR_i486 + # Detect the mechanism used for making syscalls + movl $(INTEL_CPUID_STANDARD), %eax + cpuid + bt $(INTEL_SEP), %edx + jnc 0f + leal __syscall_fast_func, %eax + movl $__syscall_fast, (%eax) + 0: +#endif + + # + # Create the first stack frame. + # + pushl $0 + pushl $0 + movl %esp, %ebp + + # Pass the PCB pointer to __c_start as the first argument + pushl %edi + call __c_start Index: pace/lib/c/arch/ia32/src/entry.S =================================================================== --- uspace/lib/c/arch/ia32/src/entry.S (revision dabaa83b25c423e925fe9c02776f001dc124f49b) +++ (revision ) @@ -1,69 +1,0 @@ -# -# 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. -# - -#include - -INTEL_CPUID_STANDARD = 1 -INTEL_SEP = 11 - -.text - -.org 0 - -## User-space task entry point -# -# %edi contains the PCB pointer -# -SYMBOL(_start) - mov %ss, %ax - mov %ax, %ds - mov %ax, %es - mov %ax, %fs - # Do not set %gs, it contains descriptor that can see TLS - -#ifndef PROCESSOR_i486 - # Detect the mechanism used for making syscalls - movl $(INTEL_CPUID_STANDARD), %eax - cpuid - bt $(INTEL_SEP), %edx - jnc 0f - leal __syscall_fast_func, %eax - movl $__syscall_fast, (%eax) - 0: -#endif - - # - # Create the first stack frame. - # - pushl $0 - pushl $0 - movl %esp, %ebp - - # Pass the PCB pointer to __c_start as the first argument - pushl %edi - call __c_start Index: uspace/lib/c/arch/ia64/src/crt0.S =================================================================== --- uspace/lib/c/arch/ia64/src/crt0.S (revision f3f41498e327dbcb4cefa602eec09e68135fa2cd) +++ uspace/lib/c/arch/ia64/src/crt0.S (revision f3f41498e327dbcb4cefa602eec09e68135fa2cd) @@ -0,0 +1,47 @@ +# +# 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. +# + +#include + +.text + +.org 0 +.align 16 + +## User-space task entry point +# +# r2 contains the PCB pointer +# +SYMBOL(_start) + alloc loc0 = ar.pfs, 0, 1, 2, 0 + movl gp = __gp + + # Pass PCB pointer as the first argument to __c_start + mov out0 = r2 ;; + br.call.sptk.many b0 = __c_start + Index: pace/lib/c/arch/ia64/src/entry.S =================================================================== --- uspace/lib/c/arch/ia64/src/entry.S (revision dabaa83b25c423e925fe9c02776f001dc124f49b) +++ (revision ) @@ -1,47 +1,0 @@ -# -# 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. -# - -#include - -.text - -.org 0 -.align 16 - -## User-space task entry point -# -# r2 contains the PCB pointer -# -SYMBOL(_start) - alloc loc0 = ar.pfs, 0, 1, 2, 0 - movl gp = __gp - - # Pass PCB pointer as the first argument to __c_start - mov out0 = r2 ;; - br.call.sptk.many b0 = __c_start - Index: uspace/lib/c/arch/mips32/src/crt0.S =================================================================== --- uspace/lib/c/arch/mips32/src/crt0.S (revision f3f41498e327dbcb4cefa602eec09e68135fa2cd) +++ uspace/lib/c/arch/mips32/src/crt0.S (revision f3f41498e327dbcb4cefa602eec09e68135fa2cd) @@ -0,0 +1,64 @@ +# +# 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. +# + +#include +#include + +.text + +.set noreorder +.option pic2 + +## User-space task entry point +# +# $a0 ($4) contains the PCB pointer +# +FUNCTION_BEGIN(__start) + .ent __start + .frame $sp, ABI_STACK_FRAME, $ra + .cpload $t9 + + # Allocate the stack frame. + addiu $sp, -ABI_STACK_FRAME + + # Allow PIC code + .cprestore 16 + + # Pass pcb_ptr to __c_start() as the first argument. It is already + # in $a0. As the first argument is passed in $a0, no operation + # is needed. + + jal __c_start + nop + + # + # Not reached. + # + addiu $sp, ABI_STACK_FRAME + .end __start +FUNCTION_END(__start) Index: pace/lib/c/arch/mips32/src/entry.S =================================================================== --- uspace/lib/c/arch/mips32/src/entry.S (revision dabaa83b25c423e925fe9c02776f001dc124f49b) +++ (revision ) @@ -1,64 +1,0 @@ -# -# 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. -# - -#include -#include - -.text - -.set noreorder -.option pic2 - -## User-space task entry point -# -# $a0 ($4) contains the PCB pointer -# -FUNCTION_BEGIN(__start) - .ent __start - .frame $sp, ABI_STACK_FRAME, $ra - .cpload $t9 - - # Allocate the stack frame. - addiu $sp, -ABI_STACK_FRAME - - # Allow PIC code - .cprestore 16 - - # Pass pcb_ptr to __c_start() as the first argument. It is already - # in $a0. As the first argument is passed in $a0, no operation - # is needed. - - jal __c_start - nop - - # - # Not reached. - # - addiu $sp, ABI_STACK_FRAME - .end __start -FUNCTION_END(__start) Index: uspace/lib/c/arch/ppc32/src/crt0.S =================================================================== --- uspace/lib/c/arch/ppc32/src/crt0.S (revision f3f41498e327dbcb4cefa602eec09e68135fa2cd) +++ uspace/lib/c/arch/ppc32/src/crt0.S (revision f3f41498e327dbcb4cefa602eec09e68135fa2cd) @@ -0,0 +1,50 @@ +# +# 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. +# + +#include + +.text + +.org 0 + +## User-space task entry point +# +# r6 contains the PCB pointer +# +SYMBOL(_start) + # + # Create the first stack frame. + # + li %r3, 0 + stw %r3, 0(%r1) + stwu %r1, -16(%r1) + + # Pass the PCB pointer to __c_start() as the first argument. + # The first argument is passed in r3. + mr %r3, %r6 + bl __c_start Index: pace/lib/c/arch/ppc32/src/entry.S =================================================================== --- uspace/lib/c/arch/ppc32/src/entry.S (revision dabaa83b25c423e925fe9c02776f001dc124f49b) +++ (revision ) @@ -1,50 +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. -# - -#include - -.text - -.org 0 - -## User-space task entry point -# -# r6 contains the PCB pointer -# -SYMBOL(_start) - # - # Create the first stack frame. - # - li %r3, 0 - stw %r3, 0(%r1) - stwu %r1, -16(%r1) - - # Pass the PCB pointer to __c_start() as the first argument. - # The first argument is passed in r3. - mr %r3, %r6 - bl __c_start Index: uspace/lib/c/arch/riscv64/src/crt0.c =================================================================== --- uspace/lib/c/arch/riscv64/src/crt0.c (revision f3f41498e327dbcb4cefa602eec09e68135fa2cd) +++ uspace/lib/c/arch/riscv64/src/crt0.c (revision f3f41498e327dbcb4cefa602eec09e68135fa2cd) @@ -0,0 +1,43 @@ +/* + * Copyright (c) 2016 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. + */ + +/** @file + */ + +extern void _start(void); +extern void __c_start(void *); + +// FIXME: Implement properly. + +void _start(void) +{ + __c_start(0); +} + +/** @} + */ Index: pace/lib/c/arch/riscv64/src/entry.c =================================================================== --- uspace/lib/c/arch/riscv64/src/entry.c (revision dabaa83b25c423e925fe9c02776f001dc124f49b) +++ (revision ) @@ -1,43 +1,0 @@ -/* - * Copyright (c) 2016 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. - */ - -/** @file - */ - -extern void _start(void); -extern void __c_start(void *); - -// FIXME: Implement properly. - -void _start(void) -{ - __c_start(0); -} - -/** @} - */ Index: uspace/lib/c/arch/sparc64/src/crt0.S =================================================================== --- uspace/lib/c/arch/sparc64/src/crt0.S (revision f3f41498e327dbcb4cefa602eec09e68135fa2cd) +++ uspace/lib/c/arch/sparc64/src/crt0.S (revision f3f41498e327dbcb4cefa602eec09e68135fa2cd) @@ -0,0 +1,50 @@ +# +# 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. +# + +#include + +.text + +.org 0 + +## User-space task entry point +# +# %o0 contains uarg +# %o1 contains pcb_ptr +# +SYMBOL(_start) + # + # Create the first stack frame. + # + save %sp, -176, %sp + flushw + add %g0, -0x7ff, %fp + + # Pass pcb_ptr as the first argument to __c_start() + call __c_start + mov %i1, %o0 Index: pace/lib/c/arch/sparc64/src/entry.S =================================================================== --- uspace/lib/c/arch/sparc64/src/entry.S (revision dabaa83b25c423e925fe9c02776f001dc124f49b) +++ (revision ) @@ -1,50 +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. -# - -#include - -.text - -.org 0 - -## User-space task entry point -# -# %o0 contains uarg -# %o1 contains pcb_ptr -# -SYMBOL(_start) - # - # Create the first stack frame. - # - save %sp, -176, %sp - flushw - add %g0, -0x7ff, %fp - - # Pass pcb_ptr as the first argument to __c_start() - call __c_start - mov %i1, %o0 Index: uspace/lib/c/generic/crt/crt1.c =================================================================== --- uspace/lib/c/generic/crt/crt1.c (revision f3f41498e327dbcb4cefa602eec09e68135fa2cd) +++ uspace/lib/c/generic/crt/crt1.c (revision f3f41498e327dbcb4cefa602eec09e68135fa2cd) @@ -0,0 +1,67 @@ +/* + * Copyright (c) 2018 CZ.NIC, z.s.p.o. + * 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. + */ + +#include "../private/libc.h" + +/* + * We shouldn't be accessing these symbols directly from libc, + * since it would create unwanted relocations in shared library + * code. Instead, we refer to them here, in a file that's always + * statically linked to the main executable, and write their values + * to a special structure that resides in libc. + */ + +extern init_array_entry_t __preinit_array_start[] __attribute__((weak)); +extern init_array_entry_t __preinit_array_end[] __attribute__((weak)); +extern init_array_entry_t __init_array_start[] __attribute__((weak)); +extern init_array_entry_t __init_array_end[] __attribute__((weak)); +extern fini_array_entry_t __fini_array_start[] __attribute__((weak)); +extern fini_array_entry_t __fini_array_end[] __attribute__((weak)); +extern int main(int, char *[]); +extern unsigned char __executable_start[]; +extern unsigned char _end[]; + +/* __c_start is only called from _start in assembly. */ +void __c_start(void *); + +void __c_start(void *pcb) +{ + __progsymbols = (progsymbols_t) { + .main = main, + .elfstart = __executable_start, + .end = _end, + .preinit_array = __preinit_array_start, + .preinit_array_len = __preinit_array_end - __preinit_array_start, + .init_array = __init_array_start, + .init_array_len = __init_array_end - __init_array_start, + .fini_array = __fini_array_start, + .fini_array_len = __fini_array_end - __fini_array_start, + }; + + __libc_main(pcb); +} Index: pace/lib/c/generic/crt/entry.c =================================================================== --- uspace/lib/c/generic/crt/entry.c (revision dabaa83b25c423e925fe9c02776f001dc124f49b) +++ (revision ) @@ -1,67 +1,0 @@ -/* - * Copyright (c) 2018 CZ.NIC, z.s.p.o. - * 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. - */ - -#include "../private/libc.h" - -/* - * We shouldn't be accessing these symbols directly from libc, - * since it would create unwanted relocations in shared library - * code. Instead, we refer to them here, in a file that's always - * statically linked to the main executable, and write their values - * to a special structure that resides in libc. - */ - -extern init_array_entry_t __preinit_array_start[] __attribute__((weak)); -extern init_array_entry_t __preinit_array_end[] __attribute__((weak)); -extern init_array_entry_t __init_array_start[] __attribute__((weak)); -extern init_array_entry_t __init_array_end[] __attribute__((weak)); -extern fini_array_entry_t __fini_array_start[] __attribute__((weak)); -extern fini_array_entry_t __fini_array_end[] __attribute__((weak)); -extern int main(int, char *[]); -extern unsigned char __executable_start[]; -extern unsigned char _end[]; - -/* __c_start is only called from _start in assembly. */ -void __c_start(void *); - -void __c_start(void *pcb) -{ - __progsymbols = (progsymbols_t) { - .main = main, - .elfstart = __executable_start, - .end = _end, - .preinit_array = __preinit_array_start, - .preinit_array_len = __preinit_array_end - __preinit_array_start, - .init_array = __init_array_start, - .init_array_len = __init_array_end - __init_array_start, - .fini_array = __fini_array_start, - .fini_array_len = __fini_array_end - __fini_array_start, - }; - - __libc_main(pcb); -}