mirror of
https://github.com/drasko/codezero.git
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13b9e5407a
It is now allocated in a generic way using shm_new() which creates a posix shmat()/shmget()'able utcb.
66 lines
1.6 KiB
C
66 lines
1.6 KiB
C
/*
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* Initialise the system.
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*
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* Copyright (C) 2007, 2008 Bahadir Balban
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*/
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#include <stdio.h>
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#include <string.h>
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#include <memory.h>
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#include <mm/alloc_page.h>
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#include <kmalloc/kmalloc.h>
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#include <l4lib/arch/syscalls.h>
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#include <l4lib/arch/syslib.h>
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#include <l4lib/utcb.h>
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#include <task.h>
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#include <shm.h>
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#include <file.h>
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#include <init.h>
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#include <utcb.h>
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void init_mm(struct initdata *initdata)
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{
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/* Initialise the page and bank descriptors */
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init_physmem(initdata, membank);
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printf("%s: Initialised physmem.\n", __TASKNAME__);
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/* Initialise the page allocator on first bank. */
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init_page_allocator(membank[0].free, membank[0].end);
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printf("%s: Initialised page allocator.\n", __TASKNAME__);
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/* Initialise the pager's memory allocator */
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kmalloc_init();
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printf("%s: Initialised kmalloc.\n", __TASKNAME__);
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/* Initialise the zero page */
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init_devzero();
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printf("%s: Initialised devzero.\n", __TASKNAME__);
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/* Initialise in-memory boot files */
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init_boot_files(initdata);
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printf("%s: Initialised in-memory boot files.\n", __TASKNAME__);
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shm_init();
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printf("%s: Initialised shm structures.\n", __TASKNAME__);
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if (utcb_pool_init() < 0) {
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printf("UTCB initialisation failed.\n");
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BUG();
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}
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printf("%s: Initialised utcb address pool.\n", __TASKNAME__);
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/* Give the kernel some memory to use for its allocators */
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l4_kmem_grant(__pfn(alloc_page(__pfn(SZ_1MB))), __pfn(SZ_1MB));
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}
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void initialise(void)
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{
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request_initdata(&initdata);
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init_mm(&initdata);
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init_pm(&initdata);
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printf("%s: Initialised the memory/process manager.\n", __TASKNAME__);
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}
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