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 */
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 */
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#ifndef __AS_H__
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#ifndef __AS_H__
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#define __AS_H__
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#define __AS_H__
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/** Address space area flags. */
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#define AS_AREA_READ    1
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#define AS_AREA_WRITE   2
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#define AS_AREA_EXEC    4
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#define AS_AREA_DEVICE  8
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#ifdef KERNEL
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#include <mm/as_arg.h>
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#include <mm/as_arg.h>
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#include <arch/mm/page.h>
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#include <arch/mm/page.h>
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#include <arch/mm/as.h>
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#include <arch/mm/as.h>
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#include <arch/mm/asid.h>
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#include <arch/mm/asid.h>
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#include <arch/types.h>
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#include <arch/types.h>
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#define USTACK_ADDRESS  USTACK_ADDRESS_ARCH
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#define USTACK_ADDRESS  USTACK_ADDRESS_ARCH
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#define FLAG_AS_KERNEL      (1 << 0)    /**< Kernel address space. */
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#define FLAG_AS_KERNEL      (1 << 0)    /**< Kernel address space. */
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/** Address space area flags. */
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#define AS_AREA_READ    1
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#define AS_AREA_WRITE   2
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#define AS_AREA_EXEC    4
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#define AS_AREA_DEVICE  8
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/** Address space area attributes. */
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/** Address space area attributes. */
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#define AS_AREA_ATTR_NONE   0
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#define AS_AREA_ATTR_NONE   0
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#define AS_AREA_ATTR_PARTIAL    1   /* Not fully initialized area. */
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#define AS_AREA_ATTR_PARTIAL    1   /* Not fully initialized area. */
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int as_area_send(task_id_t dst_id, __address base);
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int as_area_send(task_id_t dst_id, __address base);
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extern void as_set_mapping(as_t *as, __address page, __address frame);
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extern void as_set_mapping(as_t *as, __address page, __address frame);
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extern int as_page_fault(__address page, istate_t *istate);
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extern int as_page_fault(__address page, istate_t *istate);
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extern void as_switch(as_t *old, as_t *new);
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extern void as_switch(as_t *old, as_t *new);
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extern void as_free(as_t *as);
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extern void as_free(as_t *as);
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int as_area_steal(task_t *src_task, __address src_base, size_t acc_size, __address dst_base);
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extern size_t as_get_size(__address base);
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/* Interface to be implemented by architectures. */
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/* Interface to be implemented by architectures. */
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#ifndef as_install_arch
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#ifndef as_install_arch
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extern void as_install_arch(as_t *as);
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extern void as_install_arch(as_t *as);
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#endif /* !def as_install_arch */
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#endif /* !def as_install_arch */
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/* Address space area related syscalls. */
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/* Address space area related syscalls. */
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extern __native sys_as_area_create(__address address, size_t size, int flags);
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extern __native sys_as_area_create(__address address, size_t size, int flags);
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extern __native sys_as_area_resize(__address address, size_t size, int flags);
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extern __native sys_as_area_resize(__address address, size_t size, int flags);
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extern __native sys_as_area_destroy(__address address);
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extern __native sys_as_area_destroy(__address address);
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extern __native sys_as_area_accept(as_area_acptsnd_arg_t *uspace_accept_arg);
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extern __native sys_as_area_send(as_area_acptsnd_arg_t *uspace_send_arg);
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#endif /* KERNEL */
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#endif
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#endif