@@ -201,5 +201,6 @@ bool decode_ext_txx9(DisasContext *ctx, uint32_t insn);
#if defined(TARGET_MIPS64)
bool decode_ext_tx79(DisasContext *ctx, uint32_t insn);
#endif
+bool decode_ext_vr54xx(DisasContext *ctx, uint32_t insn);
#endif
new file mode 100644
@@ -0,0 +1,8 @@
+# MIPS VR5432 instruction set extensions
+#
+# Copyright (C) 2021 Philippe Mathieu-Daudé
+#
+# SPDX-License-Identifier: LGPL-2.1-or-later
+#
+# Reference: VR5432 Microprocessor User’s Manual
+# (Document Number U13751EU5V0UM00)
@@ -16109,6 +16109,9 @@ static void decode_opc(CPUMIPSState *env, DisasContext *ctx)
if (cpu_supports_isa(env, INSN_R5900) && decode_ext_txx9(ctx, ctx->opcode)) {
return;
}
+ if (cpu_supports_isa(env, INSN_VR54XX) && decode_ext_vr54xx(ctx, ctx->opcode)) {
+ return;
+ }
if (decode_opc_legacy(env, ctx)) {
return;
new file mode 100644
@@ -0,0 +1,19 @@
+/*
+ * VR5432 extensions translation routines
+ *
+ * Reference: VR5432 Microprocessor User’s Manual
+ * (Document Number U13751EU5V0UM00)
+ *
+ * Copyright (c) 2021 Philippe Mathieu-Daudé
+ *
+ * SPDX-License-Identifier: GPL-2.0-or-later
+ */
+
+#include "qemu/osdep.h"
+#include "tcg/tcg-op.h"
+#include "exec/helper-gen.h"
+#include "translate.h"
+#include "internal.h"
+
+/* Include the auto-generated decoder. */
+#include "decode-vr54xx.c.inc"
@@ -3,6 +3,7 @@
decodetree.process('mips64r6.decode', extra_args: '--static-decode=decode_mips64r6'),
decodetree.process('msa.decode', extra_args: '--decode=decode_ase_msa'),
decodetree.process('tx79.decode', extra_args: '--static-decode=decode_tx79'),
+ decodetree.process('vr54xx.decode', extra_args: '--decode=decode_ext_vr54xx'),
]
mips_ss.add(gen)
@@ -20,6 +21,7 @@
'translate_addr_const.c',
'txx9_translate.c',
'vr54xx_helper.c',
+ 'vr54xx_translate.c',
))
mips_ss.add(when: 'TARGET_MIPS64', if_true: files(
'tx79_translate.c',
The decoder is called but doesn't decode anything. This will ease reviewing the next commit. Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org> --- target/mips/tcg/translate.h | 1 + target/mips/tcg/vr54xx.decode | 8 ++++++++ target/mips/tcg/translate.c | 3 +++ target/mips/tcg/vr54xx_translate.c | 19 +++++++++++++++++++ target/mips/tcg/meson.build | 2 ++ 5 files changed, 33 insertions(+) create mode 100644 target/mips/tcg/vr54xx.decode create mode 100644 target/mips/tcg/vr54xx_translate.c