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166 lines
3.4 KiB
166 lines
3.4 KiB
// Adress to dump ax, 7C2A
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// Address to print 7C47
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//
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//
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#include "std_singos/string.h"
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#include "driver/disk.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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void dump_ax(input);
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void print_stack(argument);
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typedef struct Directory_Table Directory_Table;
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typedef struct struct_table_entry struct_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 lsfs_file lsfs_file;
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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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int number_low;
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int selector;
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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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struct test
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{
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char* first;
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char* second;
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};
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int argument;
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void print(argument);
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int main(selector, path, path_segment, fsci_lba_index)
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int path_segment;
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int fsci_lba_index;
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char path[256];
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{
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// selectot should be a "selector" for which disk service
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// one wnats to use.
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// 0 should not be used, to try to ensure that a value has been set explicitly.
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int local_segment = 0x7e0;
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char* local_path = "Hello world\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0";
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struct test my_struct;
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char *fs_info;
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char *hello = "LessSimpleFileSystem_Hello";
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char *yes = "Read file: ";
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int nubmer;
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my_struct.first = hello;
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my_struct.second = yes;
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if (selector == 1)
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{
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// SERVICE: READ FILE
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FSCI fsci;
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print(my_struct.first);
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print(my_struct.second);
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//strcpy(local_path, local_segment, path, path_segment);
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print(local_path);
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fsci.master_table_index[0] = 42;
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nubmer = 0x55;
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//dump_ax(fsci.master_table_index[0]);
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//dump_ax(nubmer);
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//fsci_lba_index = 0x1000;
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fsci.filesystem_information[0] = 'i';
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fsci.filesystem_information[1] = '\0';
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dump_ax(fsci_lba_index);
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stub(fsci_lba_index, 1, &fsci, 0x8fc0);
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//fs_info = fsci.filesystem_information;
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//dump_ax(&fsci);
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print_stack(fsci.filesystem_information);
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dump_ax(fsci.master_table_index[0]);
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}
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else
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{
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print(my_struct.first);
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return 0;
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}
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return 0;
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}
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void print(argument)
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{
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#asm
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push bp
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mov bp,sp
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mov si,4[bp]
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call 0x0000:0x7C47
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pop bp
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#endasm
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}
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void print_stack(argument)
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{
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#asm
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push bp
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mov bp,sp
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push ds
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push ax
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mov ax, ss
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mov ds, ax
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mov si,4[bp]
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call 0x0000:0x7C47
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pop ax
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pop ds
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pop bp
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#endasm
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}
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dump_ax_return(input)
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void* input;
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{
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return input;
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}
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void dump_ax(input)
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void* input;
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{
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// Force the variable in ax
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dump_ax_return(input)
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#asm
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push bp
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mov bp,sp
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call 0x000:0x7C2A
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pop bp
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#endasm
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}
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