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[Qemu-devel] [PULL 06/46] target/mips: Add nanoMIPS decoding and extract
From: |
Aleksandar Markovic |
Subject: |
[Qemu-devel] [PULL 06/46] target/mips: Add nanoMIPS decoding and extraction utilities |
Date: |
Tue, 21 Aug 2018 14:35:11 +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 00/46] MIPS queue August 21, 2018, Aleksandar Markovic, 2018/08/21
- [Qemu-devel] [PULL 09/46] target/mips: Add emulation of nanoMIPS 16-bit shift instructions, Aleksandar Markovic, 2018/08/21
- [Qemu-devel] [PULL 04/46] target/mips: Prevent switching mode related to Config3 ISA bit for nanoMIPS, Aleksandar Markovic, 2018/08/21
- [Qemu-devel] [PULL 03/46] target/mips: Add nanoMIPS DSP ASE opcodes, Aleksandar Markovic, 2018/08/21
- [Qemu-devel] [PULL 12/46] target/mips: Add emulation of nanoMIPS 16-bit logic instructions, Aleksandar Markovic, 2018/08/21
- [Qemu-devel] [PULL 06/46] target/mips: Add nanoMIPS decoding and extraction utilities,
Aleksandar Markovic <=
- [Qemu-devel] [PULL 07/46] target/mips: Add emulation of nanoMIPS 16-bit arithmetic instructions, Aleksandar Markovic, 2018/08/21
- [Qemu-devel] [PULL 01/46] target/mips: Add preprocessor constants for nanoMIPS, Aleksandar Markovic, 2018/08/21
- [Qemu-devel] [PULL 27/46] target/mips: Fix pre-nanoMIPS MT ASE instructions availability control, Aleksandar Markovic, 2018/08/21
- [Qemu-devel] [PULL 24/46] target/mips: Add CP0 Config3 and Config5 fields to DisasContext structure, Aleksandar Markovic, 2018/08/21
- [Qemu-devel] [PULL 40/46] elf: Relax MIPS' elf_check_arch() to accept EM_NANOMIPS too, Aleksandar Markovic, 2018/08/21
- [Qemu-devel] [PULL 20/46] target/mips: Add emulation of misc nanoMIPS instructions (p_lsx), Aleksandar Markovic, 2018/08/21
- [Qemu-devel] [PULL 22/46] target/mips: Implement emulation of nanoMIPS EXTW instruction, Aleksandar Markovic, 2018/08/21
- [Qemu-devel] [PULL 02/46] target/mips: Add nanoMIPS base instruction set opcodes, Aleksandar Markovic, 2018/08/21
- [Qemu-devel] [PULL 19/46] target/mips: Add emulation of misc nanoMIPS instructions (pool32axf), Aleksandar Markovic, 2018/08/21
- [Qemu-devel] [PULL 43/46] mips_malta: Add basic nanoMIPS boot code for Malta board, Aleksandar Markovic, 2018/08/21