Le 26/05/2022 à 00:26, Richard Henderson a écrit :
On 5/25/22 14:40, Laurent Vivier wrote:
+DISAS_INSN(trapcc)
+{
+ DisasCompare c;
+
+ /* Consume and discard the immediate operand. */
+ switch (extract32(insn, 0, 3)) {
+ case 2: /* trapcc.w */
+ (void)read_im16(env, s);
+ break;
+ case 3: /* trapcc.l */
+ (void)read_im32(env, s);
+ break;
Do we really need to read the data or do we only need to increment s->pc (as the data are only
here to be available for the trap handler)?
We need to read the data to (1) trigger sigsegv when this insn crosses a page and (2) passing to tcg
plugins.
For (1) I was wondering if the real CPU is actually doing it.
Nothing is said about it in the instruction definition.
Thanks,
Laurent
