Merge remote-tracking branch 'remotes/philmd/tags/mips-20210313' into staging

MIPS patches queue

- Tidy up the GT64120 north bridge
- Move XBurst Media eXtension Unit code to mxu_translate.c
- Convert TX79 to decodetree

# gpg: Signature made Sat 13 Mar 2021 22:44:44 GMT
# gpg:                using RSA key FAABE75E12917221DCFD6BB2E3E32C2CDEADC0DE
# gpg: Good signature from "Philippe Mathieu-Daudé (F4BUG) <f4bug@amsat.org>" [full]
# Primary key fingerprint: FAAB E75E 1291 7221 DCFD  6BB2 E3E3 2C2C DEAD C0DE

* remotes/philmd/tags/mips-20210313: (27 commits)
  target/mips/tx79: Salvage instructions description comment
  target/mips: Remove 'C790 Multimedia Instructions' dead code
  target/mips/tx79: Move PCPYLD / PCPYUD opcodes to decodetree
  target/mips/tx79: Move PCPYH opcode to decodetree
  target/mips/translate: Simplify PCPYH using deposit_i64()
  target/mips/translate: Make gen_rdhwr() public
  target/mips/tx79: Move MTHI1 / MTLO1 opcodes to decodetree
  target/mips/tx79: Move MFHI1 / MFLO1 opcodes to decodetree
  target/mips: Use gen_load_gpr[_hi]() when possible
  target/mips: Extract MXU code to new mxu_translate.c file
  target/mips: Introduce mxu_translate_init() helper
  target/mips: Simplify decode_opc_mxu() ifdef'ry
  target/mips: Convert decode_ase_mxu() to decodetree prototype
  target/mips: Rename decode_opc_mxu() as decode_ase_mxu()
  target/mips: Move MUL opcode check from decode_mxu() to decode_legacy()
  target/mips: Use OPC_MUL instead of OPC__MXU_MUL
  target/mips: Pass instruction opcode to decode_opc_mxu()
  target/mips: Remove unused CPUMIPSState* from MXU functions
  target/mips: Remove XBurst Media eXtension Unit dead code
  target/mips: Rewrite complex ifdef'ry
  ...

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

1 files changed, 10 insertions, 0 deletions

diff --git a/target/mips/translate.h b/target/mips/translate.h
index 468e29d757..2b3c7a69ec 100644
--- a/target/mips/translate.h
+++ b/target/mips/translate.h
@@ -148,6 +148,8 @@ void gen_op_addr_add(DisasContext *ctx, TCGv ret, TCGv arg0, TCGv arg1);
 bool gen_lsa(DisasContext *ctx, int rd, int rt, int rs, int sa);
 bool gen_dlsa(DisasContext *ctx, int rd, int rt, int rs, int sa);
 
+void gen_rdhwr(DisasContext *ctx, int rt, int rd, int sel);
+
 extern TCGv cpu_gpr[32], cpu_PC;
 #if defined(TARGET_MIPS64)
 extern TCGv_i64 cpu_gpr_hi[32];
@@ -178,8 +180,16 @@ extern TCGv bcond;
 /* MSA */
 void msa_translate_init(void);
 
+/* MXU */
+void mxu_translate_init(void);
+bool decode_ase_mxu(DisasContext *ctx, uint32_t insn);
+
 /* decodetree generated */
 bool decode_isa_rel6(DisasContext *ctx, uint32_t insn);
 bool decode_ase_msa(DisasContext *ctx, uint32_t insn);
+bool decode_ext_txx9(DisasContext *ctx, uint32_t insn);
+#if defined(TARGET_MIPS64)
+bool decode_ext_tx79(DisasContext *ctx, uint32_t insn);
+#endif
 
 #endif