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| author | Philippe Mathieu-Daudé | 2020-08-13 19:48:32 +0200 |
|---|---|---|
| committer | Philippe Mathieu-Daudé | 2020-10-17 11:13:15 +0200 |
| commit | 88a844545e0fb1fa95a55888fb31024fcfc9720b (patch) | |
| tree | a9e663b59683e3466517519820211847ebcdbc86 /target/mips | |
| parent | target/mips/op_helper: Document Invalidate/Writeback opcodes as no-op (diff) | |
| download | qemu-88a844545e0fb1fa95a55888fb31024fcfc9720b.tar.gz qemu-88a844545e0fb1fa95a55888fb31024fcfc9720b.tar.xz qemu-88a844545e0fb1fa95a55888fb31024fcfc9720b.zip | |
target/mips/op_helper: Log unimplemented cache opcode
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 <f4bug@amsat.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Jiaxun Yang <jiaxun.yang@flygoat.com>
Message-Id: <20200813181527.22551-4-f4bug@amsat.org>
Diffstat (limited to 'target/mips')
| -rw-r--r-- | target/mips/op_helper.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/target/mips/op_helper.c b/target/mips/op_helper.c index 2496d1dd71..0050d0616b 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 |