Differential D13948 Diff 38078 sys/powerpc/powerpc/machdep.c

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sys/powerpc/powerpc/machdep.c

Show First 20 Lines • Show All 254 Lines • ▼ Show 20 Lines	#endif

/*		/*
* If the metadata pointer cookie is not set to the magic value,		* If the metadata pointer cookie is not set to the magic value,
* the number in mdp should be treated as nonsense.		* the number in mdp should be treated as nonsense.
*/		*/
if (mdp_cookie != 0xfb5d104d)		if (mdp_cookie != 0xfb5d104d)
mdp = NULL;		mdp = NULL;

		#if !defined(BOOKE)
		/*
		* On BOOKE the BSS is already cleared and some variables
		* initialized. Do not wipe them out.
		*/
		bzero(__sbss_start, __sbss_end - __sbss_start);
		bzero(__bss_start, _end - __bss_start);
		#endif

#ifdef AIM		#ifdef AIM
/*		/*
* If running from an FDT, make sure we are in real mode to avoid		* If running from an FDT, make sure we are in real mode to avoid
* tromping on firmware page tables. Everything in the kernel assumes		* tromping on firmware page tables. Everything in the kernel assumes
* 1:1 mappings out of firmware, so this won't break anything not		* 1:1 mappings out of firmware, so this won't break anything not
* already broken. This doesn't work if there is live OF, since OF		* already broken. This doesn't work if there is live OF, since OF
* may internally use non-1:1 mappings.		* may internally use non-1:1 mappings.
*/		*/
Show All 17 Lines	if (kmdp != NULL) {
MODINFOMD_KERNEND, vm_offset_t));		MODINFOMD_KERNEND, vm_offset_t));
#ifdef DDB		#ifdef DDB
ksym_start = MD_FETCH(kmdp, MODINFOMD_SSYM, uintptr_t);		ksym_start = MD_FETCH(kmdp, MODINFOMD_SSYM, uintptr_t);
ksym_end = MD_FETCH(kmdp, MODINFOMD_ESYM, uintptr_t);		ksym_end = MD_FETCH(kmdp, MODINFOMD_ESYM, uintptr_t);
db_fetch_ksymtab(ksym_start, ksym_end);		db_fetch_ksymtab(ksym_start, ksym_end);
#endif		#endif
}		}
} else {		} else {
#if !defined(BOOKE)
/*
* On BOOKE the BSS is already cleared and some variables
* initialized. Do not wipe them out.
*/
bzero(__sbss_start, __sbss_end - __sbss_start);
bzero(__bss_start, _end - __bss_start);
#endif
init_static_kenv(init_kenv, sizeof(init_kenv));		init_static_kenv(init_kenv, sizeof(init_kenv));
ofw_bootargs = true;		ofw_bootargs = true;
}		}
/* Store boot environment state */		/* Store boot environment state */
OF_initial_setup((void )fdt, NULL, (int ()(void *))ofentry);		OF_initial_setup((void )fdt, NULL, (int ()(void *))ofentry);

/*		/*
* Init params/tunables that can be overridden by the loader		* Init params/tunables that can be overridden by the loader
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