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[Qemu-devel] [PULL v5 06/46] target/mips: Add nanoMIPS decoding and extr
From: |
Aleksandar Markovic |
Subject: |
[Qemu-devel] [PULL v5 06/46] target/mips: Add nanoMIPS decoding and extraction utilities |
Date: |
Thu, 23 Aug 2018 16:18:21 +0200 |
From: Aleksandar Markovic <address@hidden>
Add some basic utility functions and macros for nanoMIPS decoding
engine.
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 | 11 +++++++++++
1 file changed, 11 insertions(+)
diff --git a/target/mips/translate.c b/target/mips/translate.c
index 4184d91..ab982cf 100644
--- a/target/mips/translate.c
+++ b/target/mips/translate.c
@@ -16593,6 +16593,17 @@ enum {
*
*/
+
+/* extraction utilities */
+
+#define NANOMIPS_EXTRACT_RD(op) ((op >> 7) & 0x7)
+#define NANOMIPS_EXTRACT_RS(op) ((op >> 4) & 0x7)
+#define NANOMIPS_EXTRACT_RS2(op) uMIPS_RS(op)
+#define NANOMIPS_EXTRACT_RS1(op) ((op >> 1) & 0x7)
+#define NANOMIPS_EXTRACT_RD5(op) ((op >> 5) & 0x1f)
+#define NANOMIPS_EXTRACT_RS5(op) (op & 0x1f)
+
+
static int decode_nanomips_opc(CPUMIPSState *env, DisasContext *ctx)
{
return 2;
--
2.7.4
- [Qemu-devel] [PULL v5 00/46] MIPS queue August 2018 v5, Aleksandar Markovic, 2018/08/23
- [Qemu-devel] [PULL v5 04/46] target/mips: Prevent switching mode related to Config3 ISA bit for nanoMIPS, Aleksandar Markovic, 2018/08/23
- [Qemu-devel] [PULL v5 01/46] target/mips: Add preprocessor constants for nanoMIPS, Aleksandar Markovic, 2018/08/23
- [Qemu-devel] [PULL v5 13/46] target/mips: Add emulation of nanoMIPS 16-bit save and restore instructions, Aleksandar Markovic, 2018/08/23
- [Qemu-devel] [PULL v5 03/46] target/mips: Add nanoMIPS DSP ASE opcodes, Aleksandar Markovic, 2018/08/23
- [Qemu-devel] [PULL v5 06/46] target/mips: Add nanoMIPS decoding and extraction utilities,
Aleksandar Markovic <=
- [Qemu-devel] [PULL v5 08/46] target/mips: Add emulation of nanoMIPS 16-bit branch instructions, Aleksandar Markovic, 2018/08/23
- [Qemu-devel] [PULL v5 12/46] target/mips: Add emulation of nanoMIPS 16-bit logic instructions, Aleksandar Markovic, 2018/08/23
- [Qemu-devel] [PULL v5 11/46] target/mips: Add emulation of nanoMIPS 16-bit load and store instructions, Aleksandar Markovic, 2018/08/23
- [Qemu-devel] [PULL v5 22/46] target/mips: Implement emulation of nanoMIPS EXTW instruction, Aleksandar Markovic, 2018/08/23
- [Qemu-devel] [PULL v5 35/46] target/mips: Add availability control via bit NMS, Aleksandar Markovic, 2018/08/23
- [Qemu-devel] [PULL v5 24/46] target/mips: Add CP0 Config3 and Config5 fields to DisasContext structure, Aleksandar Markovic, 2018/08/23
- [Qemu-devel] [PULL v5 05/46] target/mips: Add placeholder and invocation of decode_nanomips_opc(), Aleksandar Markovic, 2018/08/23
- [Qemu-devel] [PULL v5 30/46] target/mips: Add emulation of DSP ASE for nanoMIPS - part 2, Aleksandar Markovic, 2018/08/23
- [Qemu-devel] [PULL v5 21/46] target/mips: Implement emulation of nanoMIPS ROTX instruction, Aleksandar Markovic, 2018/08/23
- [Qemu-devel] [PULL v5 16/46] target/mips: Add emulation of nanoMIPS 48-bit instructions, Aleksandar Markovic, 2018/08/23