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Removed IA-32's and AMD64's thread.cc file.

This commit is contained in:
Sebastian Biemueller 2007-08-16 21:42:51 +02:00
parent c6bbef2cc1
commit 5ef660230c
2 changed files with 0 additions and 187 deletions
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102
kernel/src/glue/v4-amd64/thread.cc
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@ -1,102 +0,0 @@
/*********************************************************************
*
* Copyright (C) 2002-2004, 2006, Karlsruhe University
*
* File path: glue/v4-amd64/thread.cc
* Description:
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. 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.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``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 OR CONTRIBUTORS 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.
*
* $Id: thread.cc,v 1.8 2006/10/20 21:24:25 reichelt Exp $
*
********************************************************************/
#include <debug.h>
#include INC_API(tcb.h)
#include INC_API(kernelinterface.h)
/*
* EXC_REMAINDER_FRAME_SIZE (in quadwords)
* exception_frame - interrupt_stack_frame (=5)
*/
#define EXC_REMAINDER_FRAME_SIZE ((sizeof(amd64_exceptionframe_t)/8) - 5)
/* Have naked function */
extern "C" void return_to_user();
void return_to_user_wrapper()
{
/*
* TODO: perhaps setting ds, es, ss to 0
* is not needed
*/
__asm__ (
".globl return_to_user \n"
".type return_to_user,@function \n"
"return_to_user: \n"
"mov %0, %%eax \n"
"mov %%eax, %%ds \n"
"mov %%eax, %%es \n"
#if defined(CONFIG_TRACEBUFFER)
"mov %1, %%eax \n"
#else
"mov %%eax, %%fs \n"
#endif
// "mov %2, %%eax \n"
// "mov %%eax, %%gs \n"
"addq %3, %%rsp \n"
"iretq \n"
:
: "i"(AMD64_UDS), "i" (AMD64_TBS), "i"(AMD64_UTCBS), "i"(EXC_REMAINDER_FRAME_SIZE * 8)
);
}
static inline void push(u64_t * &stack, u64_t val)
{
*(--stack) = val;
}
/**
* Setup TCB to execute a function when switched to
* @param func pointer to function
*
* The old stack state of the TCB does not matter.
*/
void tcb_t::create_startup_stack(void (*func)())
{
init_stack();
push(stack, AMD64_UDS); /* ss (rpl = 3) */
push(stack, 0x1234567812345678); /* sp */
push(stack, AMD64_USER_FLAGS);
#if defined(CONFIG_AMD64_COMPATIBILITY_MODE)
if (resource_bits.have_resource(COMPATIBILITY_MODE))
push(stack, AMD64_UCS32); /* cs */
else
#endif /* defined(CONFIG_AMD64_COMPATIBILITY_MODE) */
push(stack, AMD64_UCS); /* cs */
push(stack, 0x8765432187654321); /* ip */
stack -= EXC_REMAINDER_FRAME_SIZE;
push(stack, (u64_t)return_to_user);
push(stack, (u64_t)func);
}

85
kernel/src/glue/v4-ia32/thread.cc
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@ -1,85 +0,0 @@
/*********************************************************************
*
* Copyright (C) 2002-2003, Karlsruhe University
*
* File path: glue/v4-ia32/thread.cc
* Description:
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. 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.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``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 OR CONTRIBUTORS 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.
*
* $Id: thread.cc,v 1.6 2003/09/24 19:05:34 skoglund Exp $
*
********************************************************************/
#include INC_GLUE(config.h)
#include INC_API(thread.h)
#include INC_API(tcb.h)
#include INC_ARCH(tss.h)
#define EXCEPTION_FRAME_SIZE ((sizeof(ia32_exceptionframe_t)/4) - 4)
extern "C" void return_to_user();
void return_to_user_wrapper()
{
__asm__ (
".globl return_to_user \n"
".type return_to_user,@function \n"
"return_to_user: \n"
"mov %0, %%eax \n"
"mov %%ax, %%ds \n"
"mov %%ax, %%es \n"
#ifdef CONFIG_TRACEBUFFER
"mov %1, %%eax \n"
#endif
"mov %%ax, %%fs \n"
"mov %2, %%eax \n"
"mov %%ax, %%gs \n"
"add %3, %%esp \n"
"iret \n"
:
: "i"(IA32_UDS), "i"(IA32_TBS), "i"(IA32_UTCB), "i"(EXCEPTION_FRAME_SIZE * 4)
);
}
static void push(u32_t * &stack, u32_t val)
{
*(--stack) = val;
}
/**
* we set up a frame which looks like a normal pagefault frame
* to allow to ex-regs a newly created thread
*/
void tcb_t::create_startup_stack(void (*func)())
{
init_stack();
push(stack, IA32_UDS);
push(stack, 0x12345678); /* sp */
push(stack, IA32_USER_FLAGS);
push(stack, IA32_UCS);
push(stack, 0x87654321); /* ip */
stack -= EXCEPTION_FRAME_SIZE;
push(stack, (u32_t)return_to_user);
push(stack, (u32_t)func);
}