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https://github.com/drasko/codezero.git
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7ba7a2e796
Removed dependency on hard-coded pager id. Pager id is now passed as an environment string `pagerid' to tasks. Alternatively, this could take space in the utcb of each task.
65 lines
1.9 KiB
C
65 lines
1.9 KiB
C
/*
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* Initialise system call offsets and utcb reference.
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*
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* Copyright (C) 2007-2009 Bahadir Bilgehan Balban
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*/
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#include <l4lib/kip.h>
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#include <l4lib/arch/syslib.h>
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#include <l4lib/arch/utcb.h>
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#include <l4lib/ipcdefs.h>
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#include <l4/macros.h>
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#include INC_GLUE(memlayout.h)
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#include <stdio.h>
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__l4_ipc_t __l4_ipc = 0;
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__l4_map_t __l4_map = 0;
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__l4_unmap_t __l4_unmap = 0;
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__l4_getid_t __l4_getid = 0;
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__l4_thread_switch_t __l4_thread_switch = 0;
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__l4_thread_control_t __l4_thread_control = 0;
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__l4_ipc_control_t __l4_ipc_control = 0;
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__l4_space_control_t __l4_space_control = 0;
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__l4_exchange_registers_t __l4_exchange_registers = 0;
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__l4_container_control_t __l4_container_control = 0;
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__l4_capability_control_t __l4_capability_control = 0;
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__l4_time_t __l4_time = 0;
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__l4_mutex_control_t __l4_mutex_control = 0;
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struct kip *kip;
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l4id_t pagerid;
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/*
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* Reference to private UTCB of this thread.
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* Used only for pushing/reading ipc message registers.
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*/
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struct utcb **kip_utcb_ref;
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void __l4_init(void)
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{
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/* Kernel interface page */
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kip = l4_kernel_interface(0, 0, 0);
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/* Reference to utcb field of KIP */
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kip_utcb_ref = (struct utcb **)&kip->utcb;
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__l4_ipc = (__l4_ipc_t)kip->ipc;
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__l4_map = (__l4_map_t)kip->map;
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__l4_unmap = (__l4_unmap_t)kip->unmap;
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__l4_getid = (__l4_getid_t)kip->getid;
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__l4_thread_switch = (__l4_thread_switch_t)kip->thread_switch;
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__l4_thread_control= (__l4_thread_control_t)kip->thread_control;
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__l4_ipc_control= (__l4_ipc_control_t)kip->ipc_control;
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__l4_space_control= (__l4_space_control_t)kip->space_control;
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__l4_exchange_registers =
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(__l4_exchange_registers_t)kip->exchange_registers;
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__l4_capability_control =
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(__l4_capability_control_t)kip->capability_control;
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__l4_container_control =
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(__l4_container_control_t)kip->container_control;
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__l4_time = (__l4_time_t)kip->time;
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__l4_mutex_control = (__l4_mutex_control_t)kip->mutex_control;
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}
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