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Remove Prefetch abort for breakpoints. Instead set the state to RESUME.

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This commit is contained in:
Nick Clifton 2001-02-16 22:04:22 +00:00
parent 8a0c27cda9
commit 2ef048fc9f
2 changed files with 7 additions and 12 deletions
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5
sim/arm/ChangeLog
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@ -1,3 +1,8 @@
2001-02-16 Nick Clifton <nickc@redhat.com>
* armemu.c: Remove Prefetch abort for breakpoints. Instead set
the state to RESUME.
2001-02-14 Nick Clifton <nickc@redhat.com> 2001-02-14 Nick Clifton <nickc@redhat.com>
* armemu.c: Add code to preserve processor mode when a prefetch * armemu.c: Add code to preserve processor mode when a prefetch

14
sim/arm/armemu.c
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@ -1340,7 +1340,6 @@ ARMul_Emulate26 (register ARMul_State * state)
{ {
ARMword value; ARMword value;
extern int SWI_vector_installed; extern int SWI_vector_installed;
int in_thumb_mode;
/* Hardware is allowed to optionally override this /* Hardware is allowed to optionally override this
instruction and treat it as a breakpoint. Since instruction and treat it as a breakpoint. Since
@ -1378,17 +1377,8 @@ ARMul_Emulate26 (register ARMul_State * state)
} }
} }
/* We must signal an abort to mark the next instruction as /* Force the next instruction to be refetched. */
invalid and in need of refetching. This is because if this state->NextInstr = RESUME;
the instruction was a breakpoint inserted by the debugger,
the instruction could be changed back to its original value.
The abort however, will automatically reset the processor into
ARM mode, so we have to preserve the mode flag and resort it
after singalling the abort. */
in_thumb_mode = TFLAG;
ARMul_Abort (state, ARMul_PrefetchAbortV);
ASSIGNT (in_thumb_mode);
break; break;
} }
} }