[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
[Qemu-devel] [PATCH v11 09/46] target/mips: Add emulation of nanoMIPS 16
From: |
Aleksandar Markovic |
Subject: |
[Qemu-devel] [PATCH v11 09/46] target/mips: Add emulation of nanoMIPS 16-bit shift instructions |
Date: |
Mon, 20 Aug 2018 20:16:17 +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] [PATCH v11 35/46] target/mips: Add availability control via bit NMS, (continued)
- [Qemu-devel] [PATCH v11 35/46] target/mips: Add availability control via bit NMS, Aleksandar Markovic, 2018/08/20
- [Qemu-devel] [PATCH v11 44/46] mips_malta: Add setting up GT64120 BARs to the nanoMIPS bootloader, Aleksandar Markovic, 2018/08/20
- [Qemu-devel] [PATCH v11 20/46] target/mips: Add emulation of misc nanoMIPS instructions (p_lsx), Aleksandar Markovic, 2018/08/20
- [Qemu-devel] [PATCH v11 13/46] target/mips: Add emulation of nanoMIPS 16-bit save and restore instructions, Aleksandar Markovic, 2018/08/20
- [Qemu-devel] [PATCH v11 33/46] target/mips: Add emulation of DSP ASE for nanoMIPS - part 5, Aleksandar Markovic, 2018/08/20
- [Qemu-devel] [PATCH v11 22/46] target/mips: Implement emulation of nanoMIPS EXTW instruction, Aleksandar Markovic, 2018/08/20
- [Qemu-devel] [PATCH v11 31/46] target/mips: Add emulation of DSP ASE for nanoMIPS - part 3, Aleksandar Markovic, 2018/08/20
- [Qemu-devel] [PATCH v11 11/46] target/mips: Add emulation of nanoMIPS 16-bit load and store instructions, Aleksandar Markovic, 2018/08/20
- [Qemu-devel] [PATCH v11 42/46] elf: Don't check FCR31_NAN2008 bit for nanoMIPS, Aleksandar Markovic, 2018/08/20
- [Qemu-devel] [PATCH v11 25/46] target/mips: Implement emulation of nanoMIPS LLWP/SCWP pair, Aleksandar Markovic, 2018/08/20
- [Qemu-devel] [PATCH v11 09/46] target/mips: Add emulation of nanoMIPS 16-bit shift instructions,
Aleksandar Markovic <=
- [Qemu-devel] [PATCH v11 32/46] target/mips: Add emulation of DSP ASE for nanoMIPS - part 4, Aleksandar Markovic, 2018/08/20
- [Qemu-devel] [PATCH v11 38/46] target/mips: Fix ERET/ERETNC behavior related to ADEL exception, Aleksandar Markovic, 2018/08/20
- [Qemu-devel] [PATCH v11 43/46] mips_malta: Add basic nanoMIPS boot code for Malta board, Aleksandar Markovic, 2018/08/20
- [Qemu-devel] [PATCH v11 41/46] elf: On elf loading, treat both EM_MIPS and EM_NANOMIPS as legal for MIPS, Aleksandar Markovic, 2018/08/20
- [Qemu-devel] [PATCH v11 40/46] elf: Relax MIPS' elf_check_arch() to accept EM_NANOMIPS too, Aleksandar Markovic, 2018/08/20
- [Qemu-devel] [PATCH v11 14/46] target/mips: Add emulation of some common nanoMIPS 32-bit instructions, Aleksandar Markovic, 2018/08/20
- [Qemu-devel] [PATCH v11 34/46] target/mips: Add emulation of DSP ASE for nanoMIPS - part 6, Aleksandar Markovic, 2018/08/20
- [Qemu-devel] [PATCH v11 12/46] target/mips: Add emulation of nanoMIPS 16-bit logic instructions, Aleksandar Markovic, 2018/08/20
- [Qemu-devel] [PATCH v11 19/46] target/mips: Add emulation of misc nanoMIPS instructions (pool32axf), Aleksandar Markovic, 2018/08/20
- [Qemu-devel] [PATCH v11 24/46] target/mips: Add CP0 Config3 and Config5 fields to DisasContext structure, Aleksandar Markovic, 2018/08/20