/branches/arm/kernel/arch/amd64/src/proc/thread.c |
---|
0,0 → 1,53 |
/* |
* 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. |
*/ |
/** @addtogroup amd64proc |
* @{ |
*/ |
/** @file |
*/ |
#include <proc/thread.h> |
/** Perform amd64 specific thread initialization. |
* |
* @param t Thread to be initialized. |
*/ |
void thread_create_arch(thread_t *t) |
{ |
t->arch.tls = 0; |
t->arch.syscall_rsp[SYSCALL_USTACK_RSP] = 0; |
/* |
* Kernel RSP can be precalculated at thread creation time. |
*/ |
t->arch.syscall_rsp[SYSCALL_KSTACK_RSP] = |
(uintptr_t) &t->kstack[PAGE_SIZE - sizeof(uint64_t)]; |
} |
/** @} |
*/ |
/branches/arm/kernel/arch/amd64/src/proc/scheduler.c |
---|
0,0 → 1,85 |
/* |
* Copyright (c) 2005 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 amd64proc |
* @{ |
*/ |
/** @file |
*/ |
#include <proc/scheduler.h> |
#include <cpu.h> |
#include <proc/task.h> |
#include <proc/thread.h> |
#include <arch.h> |
#include <arch/context.h> /* SP_DELTA */ |
#include <arch/asm.h> |
#include <arch/debugger.h> |
#include <print.h> |
#include <arch/pm.h> |
#include <arch/ddi/ddi.h> |
/** Perform amd64 specific tasks needed before the new task is run. |
* |
* Interrupts are disabled. |
*/ |
void before_task_runs_arch(void) |
{ |
io_perm_bitmap_install(); |
} |
/** Perform amd64 specific tasks needed before the new thread is scheduled. */ |
void before_thread_runs_arch(void) |
{ |
CPU->arch.tss->rsp0 = |
(uintptr_t) &THREAD->kstack[THREAD_STACK_SIZE - SP_DELTA]; |
/* |
* Syscall support. |
*/ |
swapgs(); |
write_msr(AMD_MSR_GS, (uintptr_t)THREAD->arch.syscall_rsp); |
swapgs(); |
/* TLS support - set FS to thread local storage */ |
write_msr(AMD_MSR_FS, THREAD->arch.tls); |
#ifdef CONFIG_DEBUG_AS_WATCHPOINT |
/* Set watchpoint on AS to ensure that nobody sets it to zero */ |
if (CPU->id < BKPOINTS_MAX) |
breakpoint_add(&((the_t *) THREAD->kstack)->as, |
BKPOINT_WRITE | BKPOINT_CHECK_ZERO, CPU->id); |
#endif |
} |
void after_thread_ran_arch(void) |
{ |
} |
/** @} |
*/ |
/branches/arm/kernel/arch/amd64/src/proc/task.c |
---|
0,0 → 1,60 |
/* |
* 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. |
*/ |
/** @addtogroup amd64proc |
* @{ |
*/ |
/** @file |
*/ |
#include <proc/task.h> |
#include <mm/slab.h> |
#include <arch/types.h> |
/** Perform amd64 specific task initialization. |
* |
* @param t Task to be initialized. |
*/ |
void task_create_arch(task_t *t) |
{ |
t->arch.iomapver = 0; |
bitmap_initialize(&t->arch.iomap, NULL, 0); |
} |
/** Perform amd64 specific task destruction. |
* |
* @param t Task to be initialized. |
*/ |
void task_destroy_arch(task_t *t) |
{ |
if (t->arch.iomap.map) |
free(t->arch.iomap.map); |
} |
/** @} |
*/ |