/branches/cs/uspace/lib/libc/arch/mips32/src/entry.s |
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0,0 → 1,65 |
# |
# 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. |
# |
.text |
.section .init, "ax" |
.global __entry |
.global __entry_driver |
.set noreorder |
.option pic2 |
## User-space task entry point |
# |
# $a0 ($4) contains the PCB pointer |
# |
.ent __entry |
__entry: |
.frame $sp, 32, $31 |
.cpload $25 |
# Mips o32 may store its arguments on stack, make space (16 bytes), |
# so that it could work with -O0 |
# Make space additional 16 bytes for the stack frame |
addiu $sp, -32 |
.cprestore 16 # Allow PIC code |
# Pass pcb_ptr to __main() as the first argument. pcb_ptr is already |
# in $a0. As the first argument is passed in $a0, no operation |
# is needed. |
jal __main |
nop |
jal __exit |
nop |
.end |
# Alignment of output section data to 0x4000 |
.section .data |
.align 14 |
/branches/cs/uspace/lib/libc/arch/mips32/src/fibril.S |
---|
0,0 → 1,55 |
# |
# Copyright (c) 2003-2004 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 |
.set noat |
.set noreorder |
#include <arch/context_offset.h> |
.global context_save |
.global context_restore |
context_save: |
CONTEXT_SAVE_ARCH_CORE $a0 |
# context_save returns 1 |
j $ra |
li $v0, 1 |
context_restore: |
CONTEXT_RESTORE_ARCH_CORE $a0 |
# Just for the jump into first function, but one instruction |
# should not bother us |
move $t9, $ra |
# context_restore returns 0 |
j $ra |
xor $v0, $v0 |
/branches/cs/uspace/lib/libc/arch/mips32/src/syscall.c |
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0,0 → 1,68 |
/* |
* 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 libcmips32 |
* @{ |
*/ |
/** @file |
* @ingroup libcmips32eb |
*/ |
#include <libc.h> |
sysarg_t __syscall(const sysarg_t p1, const sysarg_t p2, const sysarg_t p3, |
const sysarg_t p4, const sysarg_t p5, const sysarg_t p6, const syscall_t id) |
{ |
register sysarg_t __mips_reg_a0 asm("$4") = p1; |
register sysarg_t __mips_reg_a1 asm("$5") = p2; |
register sysarg_t __mips_reg_a2 asm("$6") = p3; |
register sysarg_t __mips_reg_a3 asm("$7") = p4; |
register sysarg_t __mips_reg_t0 asm("$8") = p5; |
register sysarg_t __mips_reg_t1 asm("$9") = p6; |
register sysarg_t __mips_reg_v0 asm("$2") = id; |
asm volatile ( |
"syscall\n" |
: "=r" (__mips_reg_v0) |
: "r" (__mips_reg_a0), |
"r" (__mips_reg_a1), |
"r" (__mips_reg_a2), |
"r" (__mips_reg_a3), |
"r" (__mips_reg_t0), |
"r" (__mips_reg_t1), |
"r" (__mips_reg_v0) |
: "%ra" /* We are a function call, although C does not |
* know it */ |
); |
return __mips_reg_v0; |
} |
/** @} |
*/ |
/branches/cs/uspace/lib/libc/arch/mips32/src/tls.c |
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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 <tls.h> |
#include <sys/types.h> |
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); |
} |
/** @} |
*/ |
/branches/cs/uspace/lib/libc/arch/mips32/src/thread_entry.s |
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0,0 → 1,59 |
# |
# 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 |
.set noat |
.set noreorder |
.option pic2 |
.globl __thread_entry |
## User-space thread entry point for all but the first threads. |
# |
# |
.ent __thread_entry |
__thread_entry: |
.frame $sp, 32, $31 |
.cpload $25 |
# |
# v0 contains address of uarg. |
# |
add $4, $2, 0 |
# Mips o32 may store its arguments on stack, make space |
addiu $sp, -32 |
.cprestore 16 |
jal __thread_main |
nop |
# |
# Not reached. |
# |
.end __thread_entry |