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Explicitely set ARM_RAS_START and ARM_RAS_END once the cacheline or the

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page has been allocated, or we could end up using random values, and bad things
could happen.

PR:		arm/161492
Submitted by:	Ian Lepore <freebsd AT damnhippie dot dyndns DOT org>
MFC after:	1 week
This commit is contained in:
Olivier Houchard 2011-10-16 17:37:54 +00:00
parent 10f94f86f5
commit b3e11029a7
1 changed files with 2 additions and 0 deletions
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2
sys/arm/arm/machdep.c
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@ -312,6 +312,8 @@ cpu_startup(void *dummy)
m = vm_page_alloc(NULL, 0, VM_ALLOC_NOOBJ | VM_ALLOC_ZERO);
pmap_kenter_user(ARM_TP_ADDRESS, VM_PAGE_TO_PHYS(m));
#endif
*(uint32_t *)ARM_RAS_START = 0;
*(uint32_t *)ARM_RAS_END = 0xffffffff;
}
SYSINIT(cpu, SI_SUB_CPU, SI_ORDER_FIRST, cpu_startup, NULL);