In case the guest uses a cache opcode we are not expecting, log it to give us a chance to notice it, in case we should actually do something.
Signed-off-by: Philippe Mathieu-Daudé <f4...@amsat.org> Reviewed-by: Richard Henderson <richard.hender...@linaro.org> Reviewed-by: Jiaxun Yang <jiaxun.y...@flygoat.com> Message-Id: <20200813181527.22551-4-f4...@amsat.org> --- target/mips/op_helper.c | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/target/mips/op_helper.c b/target/mips/op_helper.c index 2496d1dd718..0050d0616b6 100644 --- a/target/mips/op_helper.c +++ b/target/mips/op_helper.c @@ -1574,6 +1574,13 @@ void helper_msa_st_d(CPUMIPSState *env, uint32_t wd, void helper_cache(CPUMIPSState *env, target_ulong addr, uint32_t op) { #ifndef CONFIG_USER_ONLY + static const char *const type_name[] = { + "Primary Instruction", + "Primary Data or Unified Primary", + "Tertiary", + "Secondary" + }; + uint32_t cache_type = extract32(op, 0, 2); uint32_t cache_operation = extract32(op, 2, 3); target_ulong index = addr & 0x1fffffff; @@ -1592,6 +1599,8 @@ void helper_cache(CPUMIPSState *env, target_ulong addr, uint32_t op) /* no-op */ break; default: + qemu_log_mask(LOG_UNIMP, "cache operation:%u (type: %s cache)\n", + cache_operation, type_name[cache_type]); break; } #endif -- 2.26.2