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authorPhilippe Mathieu-Daudé <f4bug@amsat.org>2020-08-13 19:48:32 +0200
committerPhilippe Mathieu-Daudé <f4bug@amsat.org>2020-10-17 11:13:15 +0200
commit88a844545e0fb1fa95a55888fb31024fcfc9720b (patch)
treea9e663b59683e3466517519820211847ebcdbc86 /target
parent45964263e42b9728dd206936c157bfd1bdb6918a (diff)
downloadqemu-arm-88a844545e0fb1fa95a55888fb31024fcfc9720b.tar.gz
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')
-rw-r--r--target/mips/op_helper.c9
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