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[Qemu-devel] [PATCH v6 21/77] target/mips: Add emulation of nanoMIPS 16-
From: |
Stefan Markovic |
Subject: |
[Qemu-devel] [PATCH v6 21/77] target/mips: Add emulation of nanoMIPS 16-bit shift instructions |
Date: |
Thu, 2 Aug 2018 16:16:08 +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 9c6c3e1b..edbb439 100644
--- a/target/mips/translate.c
+++ b/target/mips/translate.c
@@ -16542,6 +16542,21 @@ 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;
--
1.9.1
- [Qemu-devel] [PATCH v6 12/77] linux-user: Update MIPS syscall numbers up to kernel 4.18 headers, (continued)
- [Qemu-devel] [PATCH v6 12/77] linux-user: Update MIPS syscall numbers up to kernel 4.18 headers, Stefan Markovic, 2018/08/02
- [Qemu-devel] [PATCH v6 13/77] linux-user: Add preprocessor availability control to some syscalls, Stefan Markovic, 2018/08/02
- [Qemu-devel] [PATCH v6 14/77] target/mips: Add preprocessor constants for nanoMIPS, Stefan Markovic, 2018/08/02
- [Qemu-devel] [PATCH v6 15/77] target/mips: Add nanoMIPS base instruction set opcodes, Stefan Markovic, 2018/08/02
- [Qemu-devel] [PATCH v6 16/77] target/mips: Add nanoMIPS DSP ASE opcodes, Stefan Markovic, 2018/08/02
- [Qemu-devel] [PATCH v6 17/77] target/mips: Add placeholder and invocation of decode_nanomips_opc(), Stefan Markovic, 2018/08/02
- [Qemu-devel] [PATCH v6 18/77] target/mips: Add nanoMIPS decoding and extraction utilities, Stefan Markovic, 2018/08/02
- [Qemu-devel] [PATCH v6 19/77] target/mips: Add emulation of nanoMIPS 16-bit arithmetic instructions, Stefan Markovic, 2018/08/02
- [Qemu-devel] [PATCH v6 20/77] target/mips: Add emulation of nanoMIPS 16-bit branch instructions, Stefan Markovic, 2018/08/02
- [Qemu-devel] [PATCH v6 21/77] target/mips: Add emulation of nanoMIPS 16-bit shift instructions,
Stefan Markovic <=
- [Qemu-devel] [PATCH v6 22/77] target/mips: Add emulation of nanoMIPS 16-bit misc instructions, Stefan Markovic, 2018/08/02
- [Qemu-devel] [PATCH v6 23/77] target/mips: Add emulation of nanoMIPS 16-bit load and store instructions, Stefan Markovic, 2018/08/02
- [Qemu-devel] [PATCH v6 24/77] target/mips: Add emulation of nanoMIPS 16-bit logic instructions, Stefan Markovic, 2018/08/02
- [Qemu-devel] [PATCH v6 25/77] target/mips: Add emulation of nanoMIPS 16-bit save and restore instructions, Stefan Markovic, 2018/08/02
- [Qemu-devel] [PATCH v6 26/77] target/mips: Add emulation of some common nanoMIPS 32-bit instructions, Stefan Markovic, 2018/08/02
- [Qemu-devel] [PATCH v6 27/77] target/mips: Add emulation of nanoMIPS instructions MOVE.P and MOVE.PREV, Stefan Markovic, 2018/08/02
- [Qemu-devel] [PATCH v6 28/77] target/mips: Add emulation of nanoMIPS 48-bit instructions, Stefan Markovic, 2018/08/02
- [Qemu-devel] [PATCH v6 29/77] target/mips: Add emulation of nanoMIPS FP instructions, Stefan Markovic, 2018/08/02