Implement the WFI instruction for A64; this just involves wiring
up the instruction, and adding a gen_a64_set_pc_im() which was
accidentally omitted from the A64 decoder top loop.
Signed-off-by: Peter Maydell <peter.maydell@xxxxxxxxxx>
---
target-arm/translate-a64.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/target-arm/translate-a64.c b/target-arm/translate-a64.c
index 1714df2..948470f 100644
--- a/target-arm/translate-a64.c
+++ b/target-arm/translate-a64.c
@@ -1065,9 +1065,11 @@ static void handle_hint(DisasContext *s, uint32_t insn,
switch (selector) {
case 0: /* NOP */
return;
+ case 3: /* WFI */
+ s->is_jmp = DISAS_WFI;
+ return;
case 1: /* YIELD */
case 2: /* WFE */
- case 3: /* WFI */
case 4: /* SEV */
case 5: /* SEVL */
/* we treat all as NOP at least for now */
@@ -8955,6 +8957,7 @@ void gen_intermediate_code_internal_a64(ARMCPU *cpu,
/* This is a special case because we don't want to just halt the CPU
* if trying to debug across a WFI.
*/
+ gen_a64_set_pc_im(dc->pc);
gen_helper_wfi(cpu_env);
break;
}
--
1.8.5
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