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Pager works until end of init_physmem_secondary

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This commit is contained in:
Bahadir Balban
2009-08-09 17:22:13 +03:00
parent a45b5676ab
commit 02a3f1ac91
33 changed files with 607 additions and 556 deletions
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24
tasks/fs0/include/kdata.h
View File

@@ -1,24 +0,0 @@
/*
* Copyright (C) 2007 Bahadir Balban
*/
#ifndef __MM_KDATA_H__
#define __MM_KDATA_H__
#include <l4/macros.h>
#include <l4/config.h>
#include <l4/types.h>
#include <l4/generic/physmem.h>
#include INC_PLAT(offsets.h)
#include INC_GLUE(memory.h)
#include INC_GLUE(memlayout.h)
#include INC_ARCH(bootdesc.h)
struct initdata {
struct bootdesc *bootdesc;
};
extern struct initdata initdata;
int request_initdata(struct initdata *i);
#endif /* __MM_KDATA_H__ */

1
tasks/fs0/main.c
View File

@@ -12,7 +12,6 @@
#include <l4lib/ipcdefs.h>
#include <fs.h>
#include <init.h>
#include <kdata.h>
#include <syscalls.h>
#include <task.h>
#include <posix/sys/time.h>

3
tasks/fs0/src/init.c
View File

@@ -7,7 +7,6 @@
#include <vfs.h>
#include <bdev.h>
#include <task.h>
#include <kdata.h>
#include <stdio.h>
#include <string.h>
#include <l4/lib/list.h>
@@ -58,7 +57,7 @@ int initialise(void)
struct superblock *root_sb;
/* Get standard init data from microkernel */
request_initdata(&initdata);
// request_initdata(&initdata);
/* Register compiled-in filesystems with vfs core. */
vfs_register_filesystems();

63
tasks/fs0/src/kdata.c
View File

@@ -1,63 +0,0 @@
/*
* Requesting system information from kernel during init.
*
* Copyright (C) 2007 Bahadir Balban
*/
#include <stdio.h>
#include <l4lib/arch/syscalls.h>
#include <kdata.h>
#include <string.h>
#include INC_API(kip.h)
#include <task.h>
/* Kernel data acquired during initialisation */
struct initdata initdata;
#define BOOTDESC_PREALLOC_SIZE 128
static char bootdesc_memory[BOOTDESC_PREALLOC_SIZE]; /* 128 bytes */
void print_bootdesc(struct bootdesc *bd)
{
for (int i = 0; i < bd->total_images; i++) {
printf("Task Image: %d\n", i);
printf("Name: %s\n", bd->images[i].name);
printf("Start: 0x%x\n", bd->images[i].phys_start);
printf("End: 0x%x\n", bd->images[i].phys_end);
}
}
int request_initdata(struct initdata *initdata)
{
int err;
int bootdesc_size;
/* Read the boot descriptor size */
if ((err = l4_kread(KDATA_BOOTDESC_SIZE, &bootdesc_size)) < 0) {
printf("L4_kdata_read() call failed. Could not complete"
"KDATA_BOOTDESC_SIZE request.\n");
goto error;
}
if (bootdesc_size > BOOTDESC_PREALLOC_SIZE) {
printf("Insufficient preallocated memory for bootdesc. "
"Size too big.\n");
goto error;
}
/* Get preallocated bootdesc memory */
initdata->bootdesc = (struct bootdesc *)&bootdesc_memory;
/* Read the boot descriptor */
if ((err = l4_kread(KDATA_BOOTDESC, initdata->bootdesc)) < 0) {
printf("L4_kdata_read() call failed. Could not complete"
"KDATA_BOOTDESC request.\n");
goto error;
}
return 0;
error:
printf("FATAL: %s failed during initialisation. exiting.\n", __TASKNAME__);
return err;
}