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Ignore whitespace Rev 2481 → Rev 2482

/trunk/uspace/lib/libc/arch/amd64/include/psthread.h
File deleted
/trunk/uspace/lib/libc/arch/amd64/include/thread.h
39,7 → 39,7
 
typedef struct {
void *self;
void *pst_data;
void *fibril_data;
} tcb_t;
 
static inline void __tcb_set(tcb_t *tcb)
/trunk/uspace/lib/libc/arch/amd64/include/fibril.h
0,0 → 1,67
/*
* 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 libcamd64
* @{
*/
/** @file
*/
 
#ifndef LIBC_amd64_FIBRIL_H_
#define LIBC_amd64_FIBRIL_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 16
 
/* We include only registers that must be preserved
* during function call
*/
typedef struct {
uint64_t sp;
uint64_t pc;
uint64_t rbx;
uint64_t rbp;
 
uint64_t r12;
uint64_t r13;
uint64_t r14;
uint64_t r15;
 
uint64_t tls;
} context_t;
 
#endif
 
/** @}
*/
/trunk/uspace/lib/libc/arch/amd64/Makefile.inc
33,7 → 33,7
TOOLCHAIN_DIR = /usr/local/amd64/bin
 
ARCH_SOURCES += arch/$(ARCH)/src/syscall.S \
arch/$(ARCH)/src/psthread.S \
arch/$(ARCH)/src/fibril.S \
arch/$(ARCH)/src/thread.c
 
LFLAGS += -N
/trunk/uspace/lib/libc/arch/amd64/src/psthread.S
File deleted
/trunk/uspace/lib/libc/arch/amd64/src/fibril.S
0,0 → 1,87
#
# 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
 
#include <libarch/context_offset.h>
 
## Save current CPU context
#
# Save CPU context to context_t variable
# pointed by the 1st argument. Returns 1 in EAX.
#
context_save:
movq (%rsp), %rdx # the caller's return %eip
# In %edi is passed 1st argument
movq %rdx, OFFSET_PC(%rdi)
movq %rsp, OFFSET_SP(%rdi)
movq %rbx, OFFSET_RBX(%rdi)
movq %rbp, OFFSET_RBP(%rdi)
movq %r12, OFFSET_R12(%rdi)
movq %r13, OFFSET_R13(%rdi)
movq %r14, OFFSET_R14(%rdi)
movq %r15, OFFSET_R15(%rdi)
 
# Save TLS
movq %fs:0, %rax
movq %rax, OFFSET_TLS(%rdi)
xorq %rax,%rax # context_save returns 1
incq %rax
ret
 
 
## Restore current CPU context
#
# Restore CPU context from context_t variable
# pointed by the 1st argument. Returns 0 in EAX.
#
context_restore:
movq OFFSET_R15(%rdi), %r15
movq OFFSET_R14(%rdi), %r14
movq OFFSET_R13(%rdi), %r13
movq OFFSET_R12(%rdi), %r12
movq OFFSET_RBP(%rdi), %rbp
movq OFFSET_RBX(%rdi), %rbx
movq OFFSET_SP(%rdi), %rsp # ctx->sp -> %rsp
movq OFFSET_PC(%rdi), %rdx
movq %rdx,(%rsp)
 
# Set thread local storage
movq OFFSET_TLS(%rdi), %rdi # Set arg1 to TLS addr
movq $1, %r8
syscall
 
xorq %rax,%rax # context_restore returns 0
ret