C

#include <stdio.h>#include <string.h>#include <stdlib.h>/* 128Kb */#define BIOS_SIZE	131072char BIOS[BIOS_SIZE];enum ELEMENT_TYPES{	STRING=0,	CLOCK_INFO,};typedef struct {	int type;	void *data;	char *desc;	unsigned int offset;	unsigned int length;}Element;typedef struct {	unsigned int vcore;	unsigned int ram;	unsigned int gpu;}ClockInfo;Element *HD48xx_vbios[] = {&(Element){ STRING	,NULL,"Bios Date/Time"			,0x0050, 16},&(Element){ STRING	,NULL,"Bios Version String"		,0x0094, 14},&(Element){ STRING	,NULL,"Reported Chip Type"		,0x00A3,  5},&(Element){ STRING	,NULL,"Interface"			,0x00A9, 12},&(Element){ STRING	,NULL,"RAM Type"			,0x00B5,  6},&(Element){ STRING	,NULL,"Hardware Spec"			,0x00BD, 76},&(Element){ STRING	,NULL,"Power Cable Error Message"	,0x010E,164},&(Element){ STRING	,NULL,"Copyright"			,0x01B2, 38},&(Element){ STRING	,NULL,"ATOMBios Version"		,0x01D8, 41},&(Element){ CLOCK_INFO	,NULL,"Clock Info 00"			,0xAD3E,  9},&(Element){ CLOCK_INFO	,NULL,"Clock Info 01"			,0xAD4E,  9},&(Element){ CLOCK_INFO	,NULL,"Clock Info 02"			,0xAD5E,  9},&(Element){ CLOCK_INFO	,NULL,"Clock Info 03"			,0xAD6E,  9},&(Element){ CLOCK_INFO	,NULL,"Clock Info 04"			,0xAD7E,  9},&(Element){ CLOCK_INFO	,NULL,"Clock Info 05"			,0xAD8E,  9},&(Element){ CLOCK_INFO	,NULL,"Clock Info 06"			,0xAD9E,  9},&(Element){ CLOCK_INFO	,NULL,"Clock Info 07"			,0xADAE,  9},&(Element){ CLOCK_INFO	,NULL,"Clock Info 08"			,0xADBE,  9},&(Element){ CLOCK_INFO	,NULL,"Clock Info 09"			,0xADCE,  9},NULL};void print_hex(char *ptr, size_t size){        int i;        for(i=0;i<size;i++){                printf("%02hhX ",ptr[i]);        }        puts("\n");}void byte_swap(char *bytes, int length){	char copy;	int i; 	for(i=0;(length-- -i)>1;i++){		copy = bytes[i];		bytes[i] = bytes[length];		bytes[length] = copy;	}}void parse_vbios(Element **vbios){	int i;	char *cptr;	ClockInfo *clk;	unsigned int number;	for(i=0;vbios[i];i++){		if(vbios[i]->type == STRING){			cptr = malloc(vbios[i]->length);			memcpy(cptr,				BIOS+vbios[i]->offset,				vbios[i]->length);			vbios[i]->data = cptr;		}else if(vbios[i]->type == CLOCK_INFO){			clk = malloc(sizeof(ClockInfo));				cptr = malloc(vbios[i]->length);			memcpy(cptr,				BIOS+vbios[i]->offset,				vbios[i]->length);			number=0;			memcpy(&number,cptr,3);			clk->gpu = number/100;			number =0;			memcpy(&number,cptr+3,3);			clk->ram = number/100;			number =0;			memcpy(&number,cptr+6,3);			clk->vcore = number;			free(cptr);					vbios[i]->data = clk;		}	};}void dump_vbios(Element **vbios){	int i;	ClockInfo *clk;	for(i=0;vbios[i];i++){		printf("[%04x:%04x] %s\n",			vbios[i]->offset,			vbios[i]->length,			vbios[i]->desc);		if(vbios[i]->type == STRING){			printf("%s\n",(char*)vbios[i]->data);		}else if(vbios[i]->type == CLOCK_INFO){			clk = (ClockInfo*) vbios[i]->data;		printf("GPU = %05u Mhz | MEM = %05u Mhz | Vcore = %04u mV\n",				clk->gpu,clk->ram,clk->vcore);		}	}}int main(int argc, char **argv){	FILE *fptr;	if(argc != 2 ){		printf("Specify file\n");		return 1;	}	fptr = fopen(argv[1],"r");	fread(BIOS,BIOS_SIZE,1,fptr);	fclose(fptr);	parse_vbios(HD48xx_vbios);	dump_vbios(HD48xx_vbios);	return 0;}