xenon_config.c

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/*
 * xenon_config.c
 *
 *  Created on: Mar 4, 2011
 */
 
#include <xetypes.h>
#include <stdio.h>
#include <string.h>
#include "xenon_config.h"
#include "xenon_sfcx.h"
#include "xb360/xb360.h"
 
#define BLOCK_OFFSET 3
 
extern struct sfc sfc;
struct XCONFIG_SECURED_SETTINGS secured_settings = {0};
 
static int xenon_config_initialized=0;
unsigned char pagebuf[MAX_PAGE_SZ];   //Max known hardware physical page size
 
void xenon_config_init(void)
{
    if (xenon_config_initialized) 
        return;
 
    uint32_t addr = 0;
    
    if (xenon_get_console_type() == REV_CORONA_PHISON)
        addr = PHISON_STATIC_CONFIG_ADDR;
    else
    {
        sfcx_init();
        if(sfc.initialized != SFCX_INITIALIZED)
        {
            printf(" ! config: sfcx not initialized\n"); //Incompatible model found?!
            return;
        }
        else
            addr = sfc.addr_config + (BLOCK_OFFSET * sfc.block_sz) + sfc.page_sz; //Get Adress based on SFC type
    }
    xenon_get_logical_nand_data(&secured_settings, addr, sizeof secured_settings);
    xenon_config_initialized=1;
}
 
int xenon_config_get_avregion(void)
{
    xenon_config_init(); //Make sure it's initalized!
 
    unsigned char buf[0x4] = {0x00,0x00,0x00,0x00};
 
    //read from nand
    memcpy(buf, &secured_settings.AVRegion, 4);
 
    //check if we got erased nand data
    if (buf[0x0]==0xFF && buf[0x1]==0xFF && buf[0x2]==0xFF)
        return 0;
 
    //check if we got zeroed nand data
    if (buf[0x0]==0x00 && buf[0x1]==0x00 && buf[0x2]==0x00)
        return 0;
 
 
 
    if (buf[0x2] >= 0x01 && buf[0x2] <= 0x04)
        return buf[0x2];
    else
    {
        printf(" !!! Unknown AVRegion: %02X!!!\n",buf[0x2]);
        return buf[0x2];
    }
}
 
void xenon_config_get_mac_addr(unsigned char *hwaddr)
{
    xenon_config_init(); //Make sure it's initalized!
 
    unsigned char dmac[0x6] = {0x00,0x22,0x48,0xFF,0xFF,0xFF};
 
    //read from nand
    memcpy(hwaddr, &secured_settings.MACAddress[0x0], 6);
 
    //check if we got erased nand data
    if (hwaddr[0x0]==0xFF && hwaddr[0x1]==0xFF && hwaddr[0x2]==0xFF)
        memcpy(hwaddr, dmac, 6);
 
    //check if we got zeroed nand data
    if (hwaddr[0x0]==0x00 && hwaddr[0x1]==0x00 && hwaddr[0x2]==0x00)
        memcpy(hwaddr, dmac, 6);
 
    //printf("NIC MAC set to %02X%02X%02X%02X%02X%02X\n",
    //      hwaddr[0], hwaddr[1], hwaddr[2], hwaddr[3], hwaddr[4], hwaddr[5]);
}
 
int xenon_config_get_vid_delta()
{
    xenon_config_init(); //Make sure it's initalized!
 
    u8 delta=secured_settings.PowerMode.VIDDelta;
    
    //check if we got erased or zeroed nand data
    if (delta==0 || delta==0xff) return -1;
            
    return delta;
}