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From: Bastian Koppelmann <kbastian@mail.uni-paderborn.de>
To: qemu-devel@nongnu.org
Cc: kbastian@mail.uni-paderborn.de,
	Richard Henderson <richard.henderson@linaro.org>
Subject: [PULL 03/20] target/tricore: Add LHA insn
Date: Wed, 21 Jun 2023 18:14:05 +0200	[thread overview]
Message-ID: <20230621161422.1652151-4-kbastian@mail.uni-paderborn.de> (raw)
In-Reply-To: <20230621161422.1652151-1-kbastian@mail.uni-paderborn.de>

reported in https://gitlab.com/qemu-project/qemu/-/issues/1667

Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Bastian Koppelmann <kbastian@mail.uni-paderborn.de>
Message-Id: <20230614100039.1337971-4-kbastian@mail.uni-paderborn.de>
---
 target/tricore/translate.c       | 14 ++++++++++++--
 target/tricore/tricore-opcodes.h |  9 ++++++++-
 2 files changed, 20 insertions(+), 3 deletions(-)

diff --git a/target/tricore/translate.c b/target/tricore/translate.c
index 26b284bcec..898557d22a 100644
--- a/target/tricore/translate.c
+++ b/target/tricore/translate.c
@@ -7931,7 +7931,7 @@ static void decode_sys_interrupts(DisasContext *ctx)
 
 static void decode_32Bit_opc(DisasContext *ctx)
 {
-    int op1;
+    int op1, op2;
     int32_t r1, r2, r3;
     int32_t address, const16;
     int8_t b, const4;
@@ -7982,9 +7982,19 @@ static void decode_32Bit_opc(DisasContext *ctx)
         tcg_gen_qemu_ld_tl(cpu_gpr_d[r1], temp, ctx->mem_idx, MO_LEUW);
         tcg_gen_shli_tl(cpu_gpr_d[r1], cpu_gpr_d[r1], 16);
         break;
-    case OPC1_32_ABS_LEA:
+    case OPCM_32_ABS_LEA_LHA:
         address = MASK_OP_ABS_OFF18(ctx->opcode);
         r1 = MASK_OP_ABS_S1D(ctx->opcode);
+
+        if (has_feature(ctx, TRICORE_FEATURE_162)) {
+            op2 = MASK_OP_ABS_OP2(ctx->opcode);
+            if (op2 == OPC2_32_ABS_LHA) {
+                tcg_gen_movi_tl(cpu_gpr_a[r1], address << 14);
+                break;
+            }
+            /* otherwise translate regular LEA */
+        }
+
         tcg_gen_movi_tl(cpu_gpr_a[r1], EA_ABS_FORMAT(address));
         break;
 /* ABSB-format */
diff --git a/target/tricore/tricore-opcodes.h b/target/tricore/tricore-opcodes.h
index 59aa39a7a5..9fab4bd75c 100644
--- a/target/tricore/tricore-opcodes.h
+++ b/target/tricore/tricore-opcodes.h
@@ -430,7 +430,7 @@ enum {
     OPCM_32_ABS_STOREB_H                             = 0x25,
     OPC1_32_ABS_STOREQ                               = 0x65,
     OPC1_32_ABS_LD_Q                                 = 0x45,
-    OPC1_32_ABS_LEA                                  = 0xc5,
+    OPCM_32_ABS_LEA_LHA                              = 0xc5,
 /* ABSB Format */
     OPC1_32_ABSB_ST_T                                = 0xd5,
 /* B Format */
@@ -592,6 +592,13 @@ enum {
     OPC2_32_ABS_ST_B                             = 0x00,
     OPC2_32_ABS_ST_H                             = 0x02,
 };
+
+/* OPCM_32_ABS_LEA_LHA */
+enum {
+    OPC2_32_ABS_LEA                              = 0x00,
+    OPC2_32_ABS_LHA                              = 0x01,
+};
+
 /*
  * Bit Format
  */
-- 
2.40.1



  parent reply	other threads:[~2023-06-21 16:16 UTC|newest]

Thread overview: 28+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-06-21 16:14 [PULL 00/20] tricore queue Bastian Koppelmann
2023-06-21 16:14 ` [PULL 01/20] target/tricore: Introduce ISA 1.6.2 feature Bastian Koppelmann
2023-06-21 16:14 ` [PULL 02/20] target/tricore: Add popcnt.w insn Bastian Koppelmann
2023-06-21 16:14 ` Bastian Koppelmann [this message]
2023-06-21 16:14 ` [PULL 04/20] target/tricore: Add crc32l.w insn Bastian Koppelmann
2023-06-21 16:14 ` [PULL 05/20] target/tricore: Add crc32.b insn Bastian Koppelmann
2023-06-21 16:14 ` [PULL 06/20] target/tricore: Add shuffle insn Bastian Koppelmann
2023-06-21 16:14 ` [PULL 07/20] target/tricore: Implement SYCSCALL insn Bastian Koppelmann
2023-06-21 16:14 ` [PULL 08/20] target/tricore: Add DISABLE insn variant Bastian Koppelmann
2023-06-21 16:14 ` [PULL 09/20] target/tricore: Fix out-of-bounds index in imask instruction Bastian Koppelmann
2023-06-22  7:43   ` Michael Tokarev
2023-06-22 14:51     ` Bastian Koppelmann
2023-06-23  6:54       ` Michael Tokarev
2023-06-23  9:51         ` Bastian Koppelmann
2023-06-23 10:29           ` Michael Tokarev
2023-06-23 11:09             ` Bastian Koppelmann
2023-06-21 16:14 ` [PULL 10/20] target/tricore: Correctly fix saving PSW.CDE to CSA on call Bastian Koppelmann
2023-06-21 16:14 ` [PULL 11/20] target/tricore: Add CHECK_REG_PAIR() for insn accessing 64 bit regs Bastian Koppelmann
2023-06-21 16:14 ` [PULL 12/20] target/tricore: Fix helper_ret() not correctly restoring PSW Bastian Koppelmann
2023-06-21 16:14 ` [PULL 13/20] target/tricore: Fix RR_JLI clobbering reg A[11] Bastian Koppelmann
2023-06-21 16:14 ` [PULL 14/20] target/tricore: Introduce DISAS_TARGET_EXIT Bastian Koppelmann
2023-06-21 16:14 ` [PULL 15/20] target/tricore: ENABLE exit to main-loop Bastian Koppelmann
2023-06-21 16:14 ` [PULL 16/20] target/tricore: Indirect jump insns use tcg_gen_lookup_and_goto_ptr() Bastian Koppelmann
2023-06-21 16:14 ` [PULL 17/20] target/tricore: Introduce priv tb flag Bastian Koppelmann
2023-06-21 16:14 ` [PULL 18/20] target/tricore: Implement privilege level for all insns Bastian Koppelmann
2023-06-21 16:14 ` [PULL 19/20] target/tricore: Honour privilege changes on PSW write Bastian Koppelmann
2023-06-21 16:14 ` [PULL 20/20] target/tricore: Fix ICR.IE offset in RESTORE insn Bastian Koppelmann
2023-06-21 20:43 ` [PULL 00/20] tricore queue Richard Henderson

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