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[Qemu-devel] [PULL v5 09/46] target/mips: Add emulation of nanoMIPS 16-b
From: |
Aleksandar Markovic |
Subject: |
[Qemu-devel] [PULL v5 09/46] target/mips: Add emulation of nanoMIPS 16-bit shift instructions |
Date: |
Thu, 23 Aug 2018 16:18:24 +0200 |
From: Yongbok Kim <address@hidden>
Add emulation of nanoMIPS 16-bit shift instructions.
Reviewed-by: Richard Henderson <address@hidden>
Signed-off-by: Yongbok Kim <address@hidden>
Signed-off-by: Aleksandar Markovic <address@hidden>
Signed-off-by: Stefan Markovic <address@hidden>
---
target/mips/translate.c | 15 +++++++++++++++
1 file changed, 15 insertions(+)
diff --git a/target/mips/translate.c b/target/mips/translate.c
index b0bbf4c..e3fac1a 100644
--- a/target/mips/translate.c
+++ b/target/mips/translate.c
@@ -16765,6 +16765,21 @@ static int decode_nanomips_opc(CPUMIPSState *env,
DisasContext *ctx)
case NM_P16_MV:
break;
case NM_P16_SHIFT:
+ {
+ int shift = extract32(ctx->opcode, 0, 3);
+ uint32_t opc = 0;
+ shift = (shift == 0) ? 8 : shift;
+
+ switch (extract32(ctx->opcode, 3, 1)) {
+ case NM_SLL16:
+ opc = OPC_SLL;
+ break;
+ case NM_SRL16:
+ opc = OPC_SRL;
+ break;
+ }
+ gen_shift_imm(ctx, opc, rt, rs, shift);
+ }
break;
case NM_P16C:
break;
--
2.7.4
- [Qemu-devel] [PULL v5 33/46] target/mips: Add emulation of DSP ASE for nanoMIPS - part 5, (continued)
- [Qemu-devel] [PULL v5 33/46] target/mips: Add emulation of DSP ASE for nanoMIPS - part 5, Aleksandar Markovic, 2018/08/23
- [Qemu-devel] [PULL v5 37/46] target/mips: Add updating BadInstr and BadInstrX for nanoMIPS, Aleksandar Markovic, 2018/08/23
- [Qemu-devel] [PULL v5 14/46] target/mips: Add emulation of some common nanoMIPS 32-bit instructions, Aleksandar Markovic, 2018/08/23
- [Qemu-devel] [PULL v5 41/46] elf: On elf loading, treat both EM_MIPS and EM_NANOMIPS as legal for MIPS, Aleksandar Markovic, 2018/08/23
- [Qemu-devel] [PULL v5 07/46] target/mips: Add emulation of nanoMIPS 16-bit arithmetic instructions, Aleksandar Markovic, 2018/08/23
- [Qemu-devel] [PULL v5 28/46] target/mips: Implement MT ASE support for nanoMIPS, Aleksandar Markovic, 2018/08/23
- [Qemu-devel] [PULL v5 19/46] target/mips: Add emulation of misc nanoMIPS instructions (pool32axf), Aleksandar Markovic, 2018/08/23
- [Qemu-devel] [PULL v5 46/46] target/mips: Add definition of nanoMIPS I7200 CPU, Aleksandar Markovic, 2018/08/23
- [Qemu-devel] [PULL v5 29/46] target/mips: Add emulation of DSP ASE for nanoMIPS - part 1, Aleksandar Markovic, 2018/08/23
- [Qemu-devel] [PULL v5 10/46] target/mips: Add emulation of nanoMIPS 16-bit misc instructions, Aleksandar Markovic, 2018/08/23
- [Qemu-devel] [PULL v5 09/46] target/mips: Add emulation of nanoMIPS 16-bit shift instructions,
Aleksandar Markovic <=
- [Qemu-devel] [PULL v5 17/46] target/mips: Add emulation of nanoMIPS FP instructions, Aleksandar Markovic, 2018/08/23
- [Qemu-devel] [PULL v5 18/46] target/mips: Add emulation of misc nanoMIPS instructions (pool32a0), Aleksandar Markovic, 2018/08/23
- [Qemu-devel] [PULL v5 40/46] elf: Relax MIPS' elf_check_arch() to accept EM_NANOMIPS too, Aleksandar Markovic, 2018/08/23
- [Qemu-devel] [PULL v5 43/46] mips_malta: Add basic nanoMIPS boot code for Malta board, Aleksandar Markovic, 2018/08/23
- [Qemu-devel] [PULL v5 27/46] target/mips: Fix pre-nanoMIPS MT ASE instructions availability control, Aleksandar Markovic, 2018/08/23
- Re: [Qemu-devel] [PULL v5 00/46] MIPS queue August 2018 v5, Peter Maydell, 2018/08/23
- [Qemu-devel] [PULL v5 36/46] disas: Add support for nanoMIPS platform, Aleksandar Markovic, 2018/08/23
- Re: [Qemu-devel] [PULL v5 00/46] MIPS queue August 2018 v5, Peter Maydell, 2018/08/24