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196 volume VI os16
Script e sorgenti del kernel 197
350018 | }
350019 |
350020 | k_printf ("%2i %2i %2i %04x %4i %4i %4i %02i.%02i %c %05lx %04x ",
350021 | (unsigned int) ps->ppid,
350022 | (unsigned int) pid,
350023 | (unsigned int) ps->pgrp,
350024 | (unsigned int) ps->device_tty,
350025 | (unsigned int) ps->uid,
350026 | (unsigned int) ps->euid,
350027 | (unsigned int) ps->suid,
350028 | (unsigned int) ((ps->usage / CLOCKS_PER_SEC) / 60),
350029 | (unsigned int) ((ps->usage / CLOCKS_PER_SEC) % 60),
350030 | stat,
350031 | (unsigned long int) ps->address_i,
350032 | (unsigned int) ps->size_i);
350033 |
350034 | k_printf ("%05lx %04x %04x %s",
350035 | (unsigned long int) ps->address_d,
350036 | (unsigned int) ps->size_d,
350037 | (unsigned int) ps->sp,
350038 | ps->name);
350039 |
350040 | k_printf ("\n");
350041 |}
104.3.26 kernel/diag/print_segments.c
104.3.30 kernel/diag/reverse_16_bit.c
Si veda la sezione 103.2.
400001 |#include
400002 |#include
400003 |#include
400004 |#include
400005 |//----------------------------------------------------------------------
400006 |uint16_t
400007 |reverse_16_bit (uint16_t source)
400008 |{
400009 | uint16_t destination = 0;
400010 | uint16_t mask_src;
400011 | uint16_t mask_dst;
400012 | int i;
400013 | for (i = 0; i < 16; i++)
400014 | {
400015 | mask_src = 0x0001 > i;
400017 | if (source & mask_src)
400018 | {
400019 | destination |= mask_dst;
400020 | }
400021 | }
400022 | return (destination);
400023 |}
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Si veda la sezione 103.2.
360001 |#include
360002 |#include
360003 |#include
360004 |//----------------------------------------------------------------------
360005 |void
360006 |print_segments (void)
360007 |{
360008 | k_printf ("CS=%04x DS=%04x SS=%04x ES=%04x BP=%04x SP=%04x ",
360009 | cs (), ds (), ss (), es (), bp (), sp ());
360010 | k_printf ("heap_min=%04x", heap_min ());
360011 |}
104.3.27 kernel/diag/print_superblock.c
Si veda la sezione 103.2.
370001 |#include
370002 |#include
370003 |#include
370004 |//----------------------------------------------------------------------
370005 |void
370006 |print_superblock (sb_t *sb)
370007 |{
370008 | k_printf ("Inodes: %i\n", sb->inodes);
370009 | k_printf ("Blocks: %i\n", sb->zones);
370010 | k_printf ("First data zone: %i\n", sb->first_data_zone);
370011 | k_printf ("Zone size: %i\n", (1024 log2_size_zone));
370012 | k_printf ("Max file size: %li\n", sb->max_file_size);
370013 | k_printf ("Inode map blocks: %i\n", sb->map_inode_blocks);
370014 | k_printf ("Zone map blocks: %i\n", sb->map_zone_blocks);
370015 |}
104.3.28 kernel/diag/print_time.c
Si veda la sezione 103.2.
380001 |#include
380002 |#include
380003 |#include
380004 |//----------------------------------------------------------------------
380005 |void
380006 |print_time (void)
380007 |{
380008 | unsigned long int ticks = k_clock ();
380009 | unsigned long int seconds = k_time (NULL);
380010 | unsigned int h = seconds / 60 / 60;
380011 | unsigned int m = seconds / 60 - h * 60;
380012 | unsigned int s = seconds - m * 60 - h * 60 * 60;
380013 | k_printf ("clock=%08lx, time elapsed=%02u:%02u:%02u",
380014 | ticks, h, m, s);
380015 |}
104.3.31 kernel/diag/reverse_32_bit.c
Si veda la sezione 103.2.
410001 |#include
410002 |#include
410003 |#include
410004 |//----------------------------------------------------------------------
410005 |uint32_t
410006 |reverse_32_bit (uint32_t source)
410007 |{
410008 | uint32_t destination = 0;
410009 | uint32_t mask_src;
410010 | uint32_t mask_dst;
410011 | int i;
410012 | for (i = 0; i < 32; i++)
410013 | {
410014 | mask_src = 0x00000001 > i;
410016 | if (source & mask_src)
410017 | {
410018 | destination |= mask_dst;
410019 | }
410020 | }
410021 | return (destination);
410022 |}
104.3.32 kernel/diag/reverse_8_bit.c
Si veda la sezione 103.2.
420001 |#include
420002 |#include
420003 |#include
420004 |#include
420005 |//----------------------------------------------------------------------
420006 |uint8_t
420007 |reverse_8_bit (uint8_t source)
420008 |{
420009 | uint8_t destination = 0;
420010 | uint8_t mask_src;
420011 | uint8_t mask_dst;
420012 | int i;
420013 | for (i = 0; i < 8; i++)
420014 | {
420015 | mask_src = 0x01 > i;
420017 | if (source & mask_src)
420018 | {
420019 | destination |= mask_dst;
420020 | }
420021 | }
420022 | return (destination);
420023 |}
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104.3.29 kernel/diag/print_zone_map.c
Si veda la sezione 103.2.
390001 |#include
390002 |#include
390003 |#include
390004 |//----------------------------------------------------------------------
390005 |void
390006 |print_zone_map (sb_t *sb, uint16_t *bitmap)
390007 |{
390008 | size_t size;
390009 | unsigned int data_zones = sb->zones - sb->first_data_zone;
390010 | if (data_zones % 16)
390011 | {
390012 | size = data_zones/16 + 1;
390013 | }
390014 | else
390015 | {
390016 | size = data_zones/16;
390017 | }
390018 | print_hex_16_reverse (bitmap, size);
390019 |}
104.4 os16: «kernel/fs.h»
Si veda la sezione 103.3.
430001 |#ifndef _KERNEL_FS_H
430002 |#define _KERNEL_FS_H 1
430003 |
430004 |#include
430005 |#include
430006 |#include
430007 |#include
430008 |#include
430009 |#include
430010 |#include
430011 |#include
430012 |#include
430013 |
430014 |//----------------------------------------------------------------------
430015 |#define SB_MAX_INODE_BLOCKS 1 // 8192 inodes max.
430016 |#define SB_MAX_ZONE_BLOCKS 1 // 8192 data-zones max.
430017 |#define SB_BLOCK_SIZE 1024 // Fixed for Minix file system.
430018 |#define SB_MAX_ZONE_SIZE 2048 // log2 max is 1.
430019 |#define SB_MAP_INODE_SIZE (SB_MAX_INODE_BLOCKS*512) // [1]
430020 |#define SB_MAP_ZONE_SIZE (SB_MAX_ZONE_BLOCKS*512) // [1]
430021 |//
430022 |// [1] blocks * (1024 * 8 / 16) = number of bits, divided 16.
430023 |//
430024 |//----------------------------------------------------------------------
430025 |#define INODE_MAX_INDIRECT_ZONES (SB_MAX_ZONE_SIZE/2) // [2]
430026 |
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