Improve correctness of backtrace library.

[netwatch.git] / netwatch / pagingstub.c

diff --git a/netwatch/pagingstub.c b/netwatch/pagingstub.c
index 4041bdc7b3a29bdf4d634cc3db7500f2c90b1d9e..7fa240b23335c9f943f0602518c893c6b70df292 100644 (file)
--- a/netwatch/pagingstub.c
+++ b/netwatch/pagingstub.c
@@ -132,19 +132,6 @@ int addmap_4m(unsigned long vaddr, unsigned long paddr)
        return 0;
 }
 
-void *demap(unsigned long client_pd, unsigned long vaddr)
-{
-       unsigned long pde = ((unsigned long *)p2v(client_pd))[PDE_FOR(vaddr)];
-       unsigned long pte;
-       
-       if (!(pde & PTE_PRESENT))
-               return (void*)0x0;
-       pte = ((unsigned long *)p2v(ADDR_12_MASK(pde)))[PTE_FOR(vaddr)];
-       if (!(pte & PTE_PRESENT))
-               return (void*)0x0;
-       return p2v((pte & ~0xFFF) + (vaddr & 0xFFF));
-}
-
 static void pt_setup(int tseg_start, int tseg_size) {
        int i;
 
@@ -243,7 +230,7 @@ void c_entry(void)
        traps_install();
        
        DBG(0x09);
-       ps_switch_stack(init_and_run, 0xa2000);
+       ps_switch_stack(init_and_run, 0x270000);
 
        DBG(0xFA);
 }