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- Clean up the comments slightly here to make them more readable.

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- Set the type and trapframe number for the F00F workaround since type
  can be used later by sv_transtrap().  Debuggers might also want to look
  at the type in the trapframe.

Submitted by:	bde (mostly)
This commit is contained in:
John Baldwin 2001-10-24 17:38:40 +00:00
parent e41febc84b
commit c5ca5a55a1
2 changed files with 14 additions and 6 deletions
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10
sys/amd64/amd64/trap.c
View File

@ -286,10 +286,14 @@ trap(frame)
#if defined(I586_CPU) && !defined(NO_F00F_HACK) #if defined(I586_CPU) && !defined(NO_F00F_HACK)
if (i == -2) { if (i == -2) {
/* /*
* f00f hack workaround has triggered, treat * The f00f hack workaround has triggered, so
* as illegal instruction not page fault. * treat the fault as an illegal instruction
* (T_PRIVINFLT) instead of a page fault.
*/ */
ucode = T_PRIVINFLT; type = frame.tf_trapno = T_PRIVINFLT;
/* Proceed as in that case. */
ucode = type;
i = SIGILL; i = SIGILL;
break; break;
} }

10
sys/i386/i386/trap.c
View File

@ -286,10 +286,14 @@ trap(frame)
#if defined(I586_CPU) && !defined(NO_F00F_HACK) #if defined(I586_CPU) && !defined(NO_F00F_HACK)
if (i == -2) { if (i == -2) {
/* /*
* f00f hack workaround has triggered, treat * The f00f hack workaround has triggered, so
* as illegal instruction not page fault. * treat the fault as an illegal instruction
* (T_PRIVINFLT) instead of a page fault.
*/ */
ucode = T_PRIVINFLT; type = frame.tf_trapno = T_PRIVINFLT;
/* Proceed as in that case. */
ucode = type;
i = SIGILL; i = SIGILL;
break; break;
} }