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[Qemu-devel] [PATCH 06/35] target/mips: Add nanoMIPS pool16c instruction
From: |
Yongbok Kim |
Subject: |
[Qemu-devel] [PATCH 06/35] target/mips: Add nanoMIPS pool16c instructions |
Date: |
Wed, 20 Jun 2018 13:05:51 +0100 |
Add nanoMIPS pool16c instructions
Signed-off-by: Yongbok Kim <address@hidden>
---
target/mips/translate.c | 22 ++++++++++++++++++++++
1 file changed, 22 insertions(+)
diff --git a/target/mips/translate.c b/target/mips/translate.c
index f5b7e14..c1a98da 100644
--- a/target/mips/translate.c
+++ b/target/mips/translate.c
@@ -16232,6 +16232,27 @@ static int mmreg4z_nanomips(int r)
return map[r & 0xf];
}
+static void gen_pool16c_nanomips_insn(DisasContext *ctx)
+{
+ int rt = mmreg_nanomips(uMIPS_RD(ctx->opcode));
+ int rs = mmreg_nanomips(uMIPS_RS(ctx->opcode));
+
+ switch ((ctx->opcode >> 2) & 0x3) {
+ case NM_NOT16:
+ gen_logic(ctx, OPC_NOR, rt, rs, 0);
+ break;
+ case NM_AND16:
+ gen_logic(ctx, OPC_AND, rt, rt, rs);
+ break;
+ case NM_XOR16:
+ gen_logic(ctx, OPC_XOR, rt, rt, rs);
+ break;
+ case NM_OR16:
+ gen_logic(ctx, OPC_OR, rt, rt, rs);
+ break;
+ }
+}
+
static int decode_nanomips_opc(CPUMIPSState *env, DisasContext *ctx)
{
uint32_t op;
@@ -16302,6 +16323,7 @@ static int decode_nanomips_opc(CPUMIPSState *env,
DisasContext *ctx)
case NM_P16C:
switch (ctx->opcode & 1) {
case NM_POOL16C_0:
+ gen_pool16c_nanomips_insn(ctx);
break;
case NM_LWXS16:
gen_ldxs(ctx, rt, rs, rd);
--
1.9.1
- [Qemu-devel] [PATCH 01/35] target/mips: Raise a RI when given fs is n/a from CTC1, (continued)
- [Qemu-devel] [PATCH 01/35] target/mips: Raise a RI when given fs is n/a from CTC1, Yongbok Kim, 2018/06/20
- [Qemu-devel] [PATCH 02/35] target/mips: Fix microMIPS on reset, Yongbok Kim, 2018/06/20
- [Qemu-devel] [PATCH 03/35] target/mips: Add nanoMIPS OPCODE table, Yongbok Kim, 2018/06/20
- [Qemu-devel] [PATCH 04/35] target/mips: Add decode_nanomips_opc(), Yongbok Kim, 2018/06/20
- [Qemu-devel] [PATCH 05/35] target/mips: Add nanoMIPS 16bit ld/st instructions, Yongbok Kim, 2018/06/20
- [Qemu-devel] [PATCH 06/35] target/mips: Add nanoMIPS pool16c instructions,
Yongbok Kim <=
- [Qemu-devel] [PATCH 07/35] target/mips: Add nanoMIPS save and restore, Yongbok Kim, 2018/06/20
- [Qemu-devel] [PATCH 08/35] target/mips: Add nanoMIPS 32bit instructions, Yongbok Kim, 2018/06/20
- [Qemu-devel] [PATCH 09/35] target/mips: Add nanoMIPS 48bit instructions, Yongbok Kim, 2018/06/20
- [Qemu-devel] [PATCH 10/35] target/mips: Add nanoMIPS pool32f instructions, Yongbok Kim, 2018/06/20
- [Qemu-devel] [PATCH 11/35] target/mips: Add nanoMIPS pool32a0 instructions, Yongbok Kim, 2018/06/20