Allocates bootstrap stack by uvm_pglistalloc instead of uvm_km_alloc.

ok miod@, jsing@

1 files changed, 15 insertions, 7 deletions

diff --git a/sys/arch/sgi/sgi/ip30_machdep.c b/sys/arch/sgi/sgi/ip30_machdep.c
index 49fd5174424..19c4af6db4d 100644
--- a/sys/arch/sgi/sgi/ip30_machdep.c
+++ b/sys/arch/sgi/sgi/ip30_machdep.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: ip30_machdep.c,v 1.21 2009/11/22 19:41:41 syuu Exp $	*/
+/*	$OpenBSD: ip30_machdep.c,v 1.22 2009/11/22 22:44:58 syuu Exp $	*/
 
 /*
  * Copyright (c) 2008, 2009 Miodrag Vallat.
@@ -307,6 +307,10 @@ void
 hw_cpu_boot_secondary(struct cpu_info *ci)
 {
        int cpuid =  ci->ci_cpuid;
+       struct pglist mlist;
+       struct vm_page *m;
+       int error;
+       vaddr_t kstack;
 
 #ifdef DEBUG
         uint64_t stackaddr =
@@ -341,12 +345,16 @@ hw_cpu_boot_secondary(struct cpu_info *ci)
            scachesz, fanloads, launch, rndvz,
            stackaddr, lparam, rparam, idleflag);
 #endif
-       vaddr_t kstack;
-       kstack = uvm_km_alloc(kernel_map, USPACE);
-       if (kstack == 0) {
-               panic("prom_boot_secondary: unable to allocate idle stack");
-               return;
-       }
+
+       TAILQ_INIT(&mlist);
+       error = uvm_pglistalloc(USPACE, 0, -1L, 0, 0,
+           &mlist, 1, UVM_PLA_WAITOK);
+       if (error)
+	       panic("unable to allocate idle stack\n");
+
+       m = TAILQ_FIRST(&mlist);
+       kstack = (vaddr_t)PHYS_TO_XKPHYS(VM_PAGE_TO_PHYS(m), CCA_CACHED);
+       bzero((char *)kstack, USPACE);
 
        *(volatile uint64_t *)(mpconf + MPCONF_STACKADDR(cpuid)) =
            (uint64_t)(kstack + USPACE);