bootparse.c
上传用户:lgb322
上传日期:2013-02-24
资源大小:30529k
文件大小:3k
- #include <linux/string.h>
- #include <linux/kernel.h>
- #include <linux/sched.h>
- #include <asm/irq.h>
- #include <asm/setup.h>
- #include <asm/bootinfo.h>
- #include <asm/macintosh.h>
- /*
- * Booter vars
- */
-
- int boothowto;
- int _boothowto;
-
- /*
- * Called early to parse the environment (passed to us from the booter)
- * into a bootinfo struct. Will die as soon as we have our own booter
- */
- #define atol(x) simple_strtoul(x,NULL,0)
-
- void parse_booter(char *env)
- {
- char *name;
- char *value;
- #if 0
- while(0 && *env)
- #else
- while(*env)
- #endif
- {
- name=env;
- value=name;
- while(*value!='='&&*value)
- value++;
- if(*value=='=')
- *value++=0;
- env=value;
- while(*env)
- env++;
- env++;
- #if 0
- if(strcmp(name,"VIDEO_ADDR")==0)
- mac_mch.videoaddr=atol(value);
- if(strcmp(name,"ROW_BYTES")==0)
- mac_mch.videorow=atol(value);
- if(strcmp(name,"SCREEN_DEPTH")==0)
- mac_mch.videodepth=atol(value);
- if(strcmp(name,"DIMENSIONS")==0)
- mac_mch.dimensions=atol(value);
- #endif
- if(strcmp(name,"BOOTTIME")==0)
- mac_bi_data.boottime=atol(value);
- if(strcmp(name,"GMTBIAS")==0)
- mac_bi_data.gmtbias=atol(value);
- if(strcmp(name,"BOOTERVER")==0)
- mac_bi_data.bootver=atol(value);
- if(strcmp(name,"MACOS_VIDEO")==0)
- mac_bi_data.videological=atol(value);
- if(strcmp(name,"MACOS_SCC")==0)
- mac_bi_data.sccbase=atol(value);
- if(strcmp(name,"MACHINEID")==0)
- mac_bi_data.id=atol(value);
- if(strcmp(name,"MEMSIZE")==0)
- mac_bi_data.memsize=atol(value);
- if(strcmp(name,"SERIAL_MODEM_FLAGS")==0)
- mac_bi_data.serialmf=atol(value);
- if(strcmp(name,"SERIAL_MODEM_HSKICLK")==0)
- mac_bi_data.serialhsk=atol(value);
- if(strcmp(name,"SERIAL_MODEM_GPICLK")==0)
- mac_bi_data.serialgpi=atol(value);
- if(strcmp(name,"SERIAL_PRINT_FLAGS")==0)
- mac_bi_data.printmf=atol(value);
- if(strcmp(name,"SERIAL_PRINT_HSKICLK")==0)
- mac_bi_data.printhsk=atol(value);
- if(strcmp(name,"SERIAL_PRINT_GPICLK")==0)
- mac_bi_data.printgpi=atol(value);
- if(strcmp(name,"PROCESSOR")==0)
- mac_bi_data.cpuid=atol(value);
- if(strcmp(name,"ROMBASE")==0)
- mac_bi_data.rombase=atol(value);
- if(strcmp(name,"TIMEDBRA")==0)
- mac_bi_data.timedbra=atol(value);
- if(strcmp(name,"ADBDELAY")==0)
- mac_bi_data.adbdelay=atol(value);
- }
- #if 0 /* XXX: TODO with m68k_mach_* */
- /* Fill in the base stuff */
- boot_info.machtype=MACH_MAC;
- /* Read this from the macinfo we got ! */
- /* boot_info.cputype=CPU_68020|FPUB_68881;*/
- /* boot_info.memory[0].addr=0;*/
- /* boot_info.memory[0].size=((mac_bi_data.id>>7)&31)<<20;*/
- boot_info.num_memory=1; /* On a MacII */
- boot_info.ramdisk_size=0; /* For now */
- *boot_info.command_line=0;
- #endif
- }
-
- void print_booter(char *env)
- {
- char *name;
- char *value;
- while(*env)
- {
- name=env;
- value=name;
- while(*value!='='&&*value)
- value++;
- if(*value=='=')
- *value++=0;
- env=value;
- while(*env)
- env++;
- env++;
- printk("%s=%sn", name,value);
- }
- }
-