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100 lines
2.6 KiB
100 lines
2.6 KiB
#ifndef MAIN_H
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#define MAIN_H
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#define SPACE_MBR_RECORD 2048 /* Sectors*/
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#define SPACE_VBR_RECORD 2048 /* Sectors*/
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#define SIZE_FSCI_RECORD 1 /* Sectors*/
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#define DEFAULT_ENTRY_SIZE 1 /* Sectors*/
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#define SECTOR_SIZE 512 /* BYTES*/
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#define NUMBER_OF_MBR_PARTITIONS 4
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#define DEFAULT_FILE_SIZE 4 /* This is in sectors*/
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#define DEFAULT_DATA_POINTER_SIZE 4 /* This is in sectors*/
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#define DEFAULT_TABLE_SIZE 16
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#define NUM_DATA_POINTERS 27
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#include "std_singos/stdio.h"
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#include "std_singos/stdlib.h"
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#include "std_singos/string.h"
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#include "driver/disk.h"
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#include "implementation/lsfs.h"
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void dump_ax(input);
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void print_stack(argument);
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void print_newline();
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typedef struct Directory_Table Directory_Table;
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typedef struct Struct_Table_Entry Table_Entry;
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typedef struct struct_partition_control partition_control;
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typedef struct File_System_Control_Information FSCI;
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typedef struct meta_information_format mif;
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typedef struct tag_record tag_record;
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typedef struct Parameter_Struct Parameter_Struct;
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typedef enum Table_Entry_Kind
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{
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/* These are specific values since, is has to corrospond to the implementation in assembly*/
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ENTRY_EMPTY = 0,
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ENTRY_FILE = 1,
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ENTRY_DIRECTORY = 2,
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} Table_Entry_Kind;
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typedef enum Service_Action
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{
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SERIVCE_LOAD_DISK = 1,
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SERVICE_FIND_ENTRY = 2,
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SERIVCE_READ_DATA = 3,
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SERIVCE_WRITE_DATA = 4,
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} Service_Action;
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struct Struct_Table_Entry
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{
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char filename[256];
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long file_id[2];
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long file_size[2];
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void* ext_file_data_low;
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void* ext_file_data_high;
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long number_sector_s; /* <- Just try to remove the last undercore and compile . */
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short entry_kind;
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short extra_control_bits1;
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short extra_control_bits2;
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short extra_control_bits3;
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long table_entry_sector_index[2];
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long data_pointer[NUM_DATA_POINTERS * 2]; /* if it is a directory, the first pointer will be to the next table. */
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};
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struct File_System_Control_Information
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{
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char filesystem_information[256];
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long master_table_index[2];
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long this_partition_offset_on_disk[2];
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long next_free_sector[2];
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long next_uniqe_id[2]; /* both files and directories gets this. */
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long next_sector_reuse_pointer[2];
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long last_sector_index_on_partition[2];
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long maximum_sectors_on_disk[2];
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long sector_size_on_disk[2];
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long not_used[48];
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};
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typedef struct Directory_Table
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{
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Table_Entry entries[DEFAULT_TABLE_SIZE];
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};
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struct Parameter_Struct
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{
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char* path;
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char* new_path;
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int buffer_segment;
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int buffer_address;
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int buffer_size;
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int data_length;
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int byte_offset_into_file;
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Table_Entry_Kind entry_kind;
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};
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#endif
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