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@ -0,0 +1,129 @@ |
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// 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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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) |
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int path_segment; |
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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 *hello = "LessSimpleFileSystem"; |
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char *yes = "Read file: "; |
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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] = 32; |
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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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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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call 0x000:0x7C2A |
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#endasm |
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} |