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| author | Andrew Cagney <cagney@redhat.com> | 1998-04-21 04:30:27 +0000 |
|---|---|---|
| committer | Andrew Cagney <cagney@redhat.com> | 1998-04-21 04:30:27 +0000 |
| commit | 97f4d183416b7319db0a2c44296e4b677a17d956 (patch) | |
| tree | ccb6181fe49739f8d9a95d25ac24c3517c3e1007 /sim/mips/mips.igen | |
| parent | 421cbaae983d05c663270534b65e4fe9dc415dae (diff) | |
| download | gdb-97f4d183416b7319db0a2c44296e4b677a17d956.zip gdb-97f4d183416b7319db0a2c44296e4b677a17d956.tar.gz gdb-97f4d183416b7319db0a2c44296e4b677a17d956.tar.bz2 | |
Implement ERET instruction.
Add {signed,unsigned}_address type.
Diffstat (limited to 'sim/mips/mips.igen')
| -rw-r--r-- | sim/mips/mips.igen | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/sim/mips/mips.igen b/sim/mips/mips.igen index 89c1986..4050a2c 100644 --- a/sim/mips/mips.igen +++ b/sim/mips/mips.igen @@ -349,7 +349,9 @@ *tx19: // end-sanitize-tx19 { + TRACE_ALU_INPUT2 (GPR[RS], IMMEDIATE); GPR[RT] = GPR[RS] & IMMEDIATE; + TRACE_ALU_RESULT (GPR[RT]); } @@ -1933,7 +1935,9 @@ *tx19: // end-sanitize-tx19 { + TRACE_ALU_INPUT1 (IMMEDIATE); GPR[RT] = EXTEND32 (IMMEDIATE << 16); + TRACE_ALU_RESULT (GPR[RT]); } @@ -5288,6 +5292,20 @@ // start-sanitize-r5900 *r5900: // end-sanitize-r5900 +{ + if (SR & status_ERL) + { + /* Oops, not yet available */ + sim_io_printf (SD, "Warning: ERET when SR[ERL] set not supported"); + NIA = EPC; + SR &= ~status_ERL; + } + else + { + NIA = EPC; + SR &= ~status_EXL; + } +} 010000,00000,5.RT,5.RD,00000,6.REGX:COP0:32::MFC0 @@ -5304,7 +5322,9 @@ *r5900: // end-sanitize-r5900 { + TRACE_ALU_INPUT0 (); DecodeCoproc (instruction_0); + TRACE_ALU_RESULT (GPR[RT]); } 010000,00100,5.RT,5.RD,00000,6.REGX:COP0:32::MTC0 |