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| author | Frans Kaashoek <[email protected]> | 2011-07-29 07:31:27 -0400 |
|---|---|---|
| committer | Frans Kaashoek <[email protected]> | 2011-07-29 07:31:27 -0400 |
| commit | 9aa0337dc1452a911ac52698c833246a618fc9f3 (patch) | |
| tree | 28e25817d4f7c9f7f1e6988949012f46d6c28fb7 /spinlock.c | |
| parent | dccb915282854476ce47752df6631dcce3b8f661 (diff) | |
| download | xv6-labs-9aa0337dc1452a911ac52698c833246a618fc9f3.tar.gz xv6-labs-9aa0337dc1452a911ac52698c833246a618fc9f3.tar.bz2 xv6-labs-9aa0337dc1452a911ac52698c833246a618fc9f3.zip | |
Map kernel high
Very important to give qemu memory through PHYSTOP :(
Diffstat (limited to 'spinlock.c')
| -rw-r--r-- | spinlock.c | 3 |
1 files changed, 2 insertions, 1 deletions
@@ -4,6 +4,7 @@ #include "defs.h" #include "param.h" #include "x86.h" +#include "memlayout.h" #include "mmu.h" #include "proc.h" #include "spinlock.h" @@ -71,7 +72,7 @@ getcallerpcs(void *v, uint pcs[]) ebp = (uint*)v - 2; for(i = 0; i < 10; i++){ - if(ebp == 0 || ebp < (uint*)0x100000 || ebp == (uint*)0xffffffff) + if(ebp == 0 || ebp < (uint*)KERNBASE || ebp == (uint*)0xffffffff) break; pcs[i] = ebp[1]; // saved %eip ebp = (uint*)ebp[0]; // saved %ebp |