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[Qemu-devel] [PATCH v10 08/65] target/mips: Add emulation of nanoMIPS 16
From: |
Aleksandar Markovic |
Subject: |
[Qemu-devel] [PATCH v10 08/65] target/mips: Add emulation of nanoMIPS 16-bit shift instructions |
Date: |
Fri, 17 Aug 2018 16:02:56 +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 c96d9ac..0c24120 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 v10 04/65] target/mips: Add placeholder and invocation of decode_nanomips_opc(), (continued)
- [Qemu-devel] [PATCH v10 04/65] target/mips: Add placeholder and invocation of decode_nanomips_opc(), Aleksandar Markovic, 2018/08/17
- [Qemu-devel] [PATCH v10 11/65] target/mips: Add emulation of nanoMIPS 16-bit logic instructions, Aleksandar Markovic, 2018/08/17
- [Qemu-devel] [PATCH v10 14/65] target/mips: Add emulation of nanoMIPS instructions MOVE.P and MOVE.PREV, Aleksandar Markovic, 2018/08/17
- [Qemu-devel] [PATCH v10 10/65] target/mips: Add emulation of nanoMIPS 16-bit load and store instructions, Aleksandar Markovic, 2018/08/17
- [Qemu-devel] [PATCH v10 15/65] target/mips: Add emulation of nanoMIPS 48-bit instructions, Aleksandar Markovic, 2018/08/17
- [Qemu-devel] [PATCH v10 28/65] target/mips: Add emulation of DSP ASE for nanoMIPS - part 2, Aleksandar Markovic, 2018/08/17
- [Qemu-devel] [PATCH v10 13/65] target/mips: Add emulation of some common nanoMIPS 32-bit instructions, Aleksandar Markovic, 2018/08/17
- [Qemu-devel] [PATCH v10 17/65] target/mips: Add emulation of misc nanoMIPS instructions (pool32a0), Aleksandar Markovic, 2018/08/17
- [Qemu-devel] [PATCH v10 09/65] target/mips: Add emulation of nanoMIPS 16-bit misc instructions, Aleksandar Markovic, 2018/08/17
- [Qemu-devel] [PATCH v10 07/65] target/mips: Add emulation of nanoMIPS 16-bit branch instructions, Aleksandar Markovic, 2018/08/17
- [Qemu-devel] [PATCH v10 08/65] target/mips: Add emulation of nanoMIPS 16-bit shift instructions,
Aleksandar Markovic <=
- [Qemu-devel] [PATCH v10 12/65] target/mips: Add emulation of nanoMIPS 16-bit save and restore instructions, Aleksandar Markovic, 2018/08/17
- [Qemu-devel] [PATCH v10 18/65] target/mips: Add emulation of misc nanoMIPS instructions (pool32axf), Aleksandar Markovic, 2018/08/17
- [Qemu-devel] [PATCH v10 19/65] target/mips: Add emulation of misc nanoMIPS instructions (p_lsx), Aleksandar Markovic, 2018/08/17
- [Qemu-devel] [PATCH v10 29/65] target/mips: Add emulation of DSP ASE for nanoMIPS - part 3, Aleksandar Markovic, 2018/08/17
- [Qemu-devel] [PATCH v10 26/65] target/mips: Implement MT ASE support for nanoMIPS, Aleksandar Markovic, 2018/08/17
- [Qemu-devel] [PATCH v10 50/65] linux-user: Add sockbits.h header for nanoMIPS, Aleksandar Markovic, 2018/08/17
- [Qemu-devel] [PATCH v10 31/65] target/mips: Add emulation of DSP ASE for nanoMIPS - part 5, Aleksandar Markovic, 2018/08/17
- [Qemu-devel] [PATCH v10 53/65] linux-user: Add target_structs.h header for nanoMIPS, Aleksandar Markovic, 2018/08/17
- [Qemu-devel] [PATCH v10 37/65] elf: Relax MIPS' elf_check_arch() to accept EM_NANOMIPS too, Aleksandar Markovic, 2018/08/17
- [Qemu-devel] [PATCH v10 39/65] elf: Don't check FCR31_NAN2008 bit for nanoMIPS, Aleksandar Markovic, 2018/08/17