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Ignore whitespace Rev 1119 → Rev 1120

/uspace/trunk/libc/arch/mips32/_link.ld.in
1,5 → 1,5
STARTUP(../libc/arch/ARCH/src/entry.o)
ENTRY(__entry)
ENTRY(__start)
 
PHDRS {
text PT_LOAD FLAGS(5);
17,13 → 17,13
*(.rodata*);
} :text
 
.got ALIGN(0x4000) : SUBALIGN(0x4000) {
.data ALIGN(0x4000) : SUBALIGN(0x4000) {
*(.data);
} :data
.got : {
_gp = .;
*(.got);
*(.data.rel*);
} :data
.data : {
*(.data);
} :data
.sbss : {
*(.scommon);
*(.sbss);
/uspace/trunk/libc/arch/mips32/include/thread.h
26,10 → 26,11
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
 
/* TLS for MIPS is described in http://www.linux-mips.org/wiki/NPTL */
 
#ifndef __LIBC__mips32THREAD_H__
#define __LIBC__mips32THREAD_H__
 
 
static inline void __tls_set(void *tls)
{
__asm__ volatile ("add $27, %0, $0" : : "r"(tls)); /* Move tls to K1 */
/uspace/trunk/libc/arch/mips32/Makefile.inc
31,7 → 31,7
 
TARGET = mipsel-linux-gnu
TOOLCHAIN_DIR = /usr/local/mipsel/bin
CFLAGS += -mno-abicalls -mips3 -ftls-model=global-dynamic
CFLAGS += -mips3 -mno-abicalls
 
ARCH_SOURCES += arch/$(ARCH)/src/syscall.c \
arch/$(ARCH)/src/psthread.S
/uspace/trunk/libc/arch/mips32/src/entry.s
31,13 → 31,13
.org 0
 
.section .init, "ax"
.globl __entry
.globl __start
 
## User-space task entry point
#
#
.ent __entry
__entry:
.ent __start
__start:
lui $28, _gp
# Mips o32 may store its arguments on stack, make space,
50,4 → 50,4
jal __exit
.end __entry
.end __start
/uspace/trunk/libc/arch/ia32/include/psthread.h
0,0 → 1,55
/*
* 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.
*/
 
#ifndef __LIBC__ia32PSTHREAD_H__
#define __LIBC__ia32PSTHREAD_H__
 
#include <types.h>
 
/* 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
/uspace/trunk/libc/arch/ia32/include/thread.h
0,0 → 1,47
/*
* 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.
*/
 
#ifndef __LIBC__ia32THREAD_H__
#define __LIBC__ia32THREAD_H__
 
#include <libc.h>
 
static inline void __tls_set(void *tls)
{
__SYSCALL1(SYS_TLS_SET, (sysarg_t) tls);
}
 
static inline void * __tls_get(void)
{
void * retval;
 
__asm__ ("movl %%gs:0, %0" : "=r"(retval));
return retval;
}
 
#endif
/uspace/trunk/libc/arch/ia32/src/psthread.S
0,0 → 1,82
#
# 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
movl 24(%eax), %eax # Set arg1 to TLS addr
movl $1, %edi # Syscall 1
int $0x30
xorl %eax,%eax # context_restore returns 0
ret