104 lines
2.8 KiB
C
104 lines
2.8 KiB
C
/*
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* Copyright 2014, General Dynamics C4 Systems
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*
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* This software may be distributed and modified according to the terms of
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* the GNU General Public License version 2. Note that NO WARRANTY is provided.
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* See "LICENSE_GPLv2.txt" for details.
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*
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* @TAG(GD_GPL)
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*/
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#ifndef __KERNEL_BOOT_H
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#define __KERNEL_BOOT_H
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#include <bootinfo.h>
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#ifndef CONFIG_ARCH_ARM
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#define MAX_NUM_FREEMEM_REG 16
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#else
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#define MAX_NUM_FREEMEM_REG (ARRAY_SIZE(avail_p_regs) + 1)
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#endif
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/*
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* Resolve naming differences between the abstract specifications
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* of the bootstrapping phase and the runtime phase of the kernel.
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*/
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typedef cte_t slot_t;
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typedef cte_t *slot_ptr_t;
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#define SLOT_PTR(pptr, pos) (((slot_ptr_t)(pptr)) + (pos))
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#define pptr_of_cap (pptr_t)cap_get_capPtr
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/* (node-local) state accessed only during bootstrapping */
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typedef struct ndks_boot {
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region_t freemem[MAX_NUM_FREEMEM_REG];
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seL4_BootInfo *bi_frame;
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seL4_SlotPos slot_pos_cur;
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seL4_SlotPos slot_pos_max;
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} ndks_boot_t;
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extern ndks_boot_t ndks_boot;
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/* function prototypes */
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static inline bool_t is_reg_empty(region_t reg)
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{
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return reg.start == reg.end;
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}
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pptr_t alloc_region(word_t size_bits);
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bool_t insert_region(region_t reg);
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void write_slot(slot_ptr_t slot_ptr, cap_t cap);
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cap_t create_root_cnode(void);
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bool_t provide_cap(cap_t root_cnode_cap, cap_t cap);
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cap_t create_it_asid_pool(cap_t root_cnode_cap);
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void write_it_pd_pts(cap_t root_cnode_cap, cap_t it_pd_cap);
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bool_t create_idle_thread(void);
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bool_t create_untypeds_for_region(cap_t root_cnode_cap, bool_t device_memory, region_t reg,
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seL4_SlotPos first_untyped_slot);
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bool_t create_kernel_untypeds(cap_t root_cnode_cap, region_t boot_mem_reuse_reg, seL4_SlotPos first_untyped_slot);
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void bi_finalise(void);
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bool_t create_irq_cnode(void);
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void create_domain_cap(cap_t root_cnode_cap);
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cap_t create_ipcbuf_frame(cap_t root_cnode_cap, cap_t pd_cap, vptr_t vptr);
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region_t allocate_extra_bi_region(word_t extra_size);
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pptr_t allocate_bi_frame(node_id_t node_id, word_t num_nodes, vptr_t ipcbuf_vptr);
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void create_bi_frame_cap(cap_t root_cnode_cap, cap_t pd_cap, pptr_t pptr, vptr_t vptr);
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typedef struct create_frames_of_region_ret {
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seL4_SlotRegion region;
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bool_t success;
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} create_frames_of_region_ret_t;
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create_frames_of_region_ret_t
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create_frames_of_region(
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cap_t root_cnode_cap,
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cap_t pd_cap,
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region_t reg,
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bool_t do_map,
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sword_t pv_offset
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);
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cap_t
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create_it_pd_pts(
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cap_t root_cnode_cap,
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v_region_t ui_v_reg,
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vptr_t ipcbuf_vptr,
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vptr_t bi_frame_vptr
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);
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tcb_t *
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create_initial_thread(
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cap_t root_cnode_cap,
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cap_t it_pd_cap,
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vptr_t ui_v_entry,
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vptr_t bi_frame_vptr,
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vptr_t ipcbuf_vptr,
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cap_t ipcbuf_cap
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);
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void init_core_state(tcb_t *scheduler_action);
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#endif
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