| //kernel/trunk/generic/include/proc/thread.h |
|---|
| 91,6 → 91,12 |
| timeout_t sleep_timeout; /**< Timeout used for timeoutable sleeping. */ |
| volatile int timeout_pending; /**< Flag signalling sleep timeout in progress. */ |
| /** True if this thread is executing copy_from_uspace(). False otherwise. */ |
| bool in_copy_from_uspace; |
| /** True if this thread is executing copy_to_uspace(). False otherwise. */ |
| bool in_copy_to_uspace; |
| fpu_context_t *saved_fpu_context; |
| int fpu_context_exists; |
| //kernel/trunk/generic/include/interrupt.h |
|---|
| 31,6 → 31,7 |
| #include <arch/interrupt.h> |
| #include <typedefs.h> |
| #include <arch/types.h> |
| #ifndef IVT_ITEMS |
| # define IVT_ITEMS 0 |
| //kernel/trunk/generic/include/mm/page.h |
|---|
| 60,17 → 60,6 |
| #define PAGE_GLOBAL (1<<PAGE_GLOBAL_SHIFT) |
| /* TODO - check that userspace is OK, platform specific functions etc */ |
| static inline void copy_to_uspace(void *dst, void *src, count_t cnt) |
| { |
| memcpy(dst, src, cnt); |
| } |
| static inline void copy_from_uspace(void *dst, void *src, count_t cnt) |
| { |
| memcpy(dst, src, cnt); |
| } |
| /** Operations to manipulate page mappings. */ |
| struct page_mapping_operations { |
| void (* mapping_insert)(as_t *as, __address page, __address frame, int flags); |
| //kernel/trunk/generic/include/mm/as.h |
|---|
| 63,6 → 63,10 |
| #define AS_AREA_ATTR_NONE 0 |
| #define AS_AREA_ATTR_PARTIAL 1 /* Not fully initialized area. */ |
| #define AS_PF_FAULT 0 /**< The page fault was not resolved by asp_page_fault(). */ |
| #define AS_PF_OK 1 /**< The page fault was resolved by as_page_fault(). */ |
| #define AS_PF_DEFER 2 /**< The page fault was caused by memcpy_from_uspace(). */ |
| /** Address space area structure. |
| * |
| * Each as_area_t structure describes one contiguous area of virtual memory. |
| 121,7 → 125,7 |
| extern __address as_area_resize(as_t *as, __address address, size_t size, int flags); |
| int as_area_send(task_id_t dst_id, __address base); |
| extern void as_set_mapping(as_t *as, __address page, __address frame); |
| extern int as_page_fault(__address page); |
| extern int as_page_fault(__address page, istate_t *istate); |
| extern void as_switch(as_t *old, as_t *new); |
| extern void as_free(as_t *as); |
| //kernel/trunk/generic/include/syscall/copy.h |
|---|
| 0,0 → 1,49 |
| /* |
| * 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. |
| */ |
| #ifndef __COPY_H__ |
| #define __COPY_H__ |
| #include <typedefs.h> |
| /** Label within memcpy_from_uspace() that contains return -1. */ |
| extern char memcpy_from_uspace_failover_address; |
| /** Label within memcpy_to_uspace() that contains return -1. */ |
| extern char memcpy_to_uspace_failover_address; |
| extern int copy_from_uspace(void *dst, void *uspace_src, size_t size); |
| extern int copy_to_uspace(void *dst_uspace, void *src, size_t size); |
| /* |
| * This interface must be implemented by each architecture. |
| */ |
| extern int memcpy_from_uspace(void *dst, void *uspace_src, size_t size); |
| extern int memcpy_to_uspace(void *uspace_dst, void *src, size_t size); |
| #endif |