diff options
Diffstat (limited to 'sys/amd64/amd64/trap.c')
| -rw-r--r-- | sys/amd64/amd64/trap.c | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/sys/amd64/amd64/trap.c b/sys/amd64/amd64/trap.c index 3eaf3fd..4691014 100644 --- a/sys/amd64/amd64/trap.c +++ b/sys/amd64/amd64/trap.c @@ -734,6 +734,14 @@ trap_pfault(frame, usermode) } /* + * If the trap was caused by errant bits in the PTE then panic. + */ + if (frame->tf_err & PGEX_RSV) { + trap_fatal(frame, eva); + return (-1); + } + + /* * PGEX_I is defined only if the execute disable bit capability is * supported and enabled. */ @@ -822,10 +830,11 @@ trap_fatal(frame, eva) #endif if (type == T_PAGEFLT) { printf("fault virtual address = 0x%lx\n", eva); - printf("fault code = %s %s %s, %s\n", + printf("fault code = %s %s %s%s, %s\n", code & PGEX_U ? "user" : "supervisor", code & PGEX_W ? "write" : "read", code & PGEX_I ? "instruction" : "data", + code & PGEX_RSV ? " rsv" : "", code & PGEX_P ? "protection violation" : "page not present"); } printf("instruction pointer = 0x%lx:0x%lx\n", |
