diff options
| author | Bastian Koppelmann <kbastian@mail.uni-paderborn.de> | 2014-10-16 21:07:29 +0100 |
|---|---|---|
| committer | Bastian Koppelmann <kbastian@mail.uni-paderborn.de> | 2014-12-10 11:13:44 +0000 |
| commit | 3fb763cb55c282a686e22b7639ff6615d527bb10 (patch) | |
| tree | 03c162560263ddff5e4372508ed9d6f5498bfe4b | |
| parent | 7fb8da2b8861795e0013e6ee97acd0363d868a35 (diff) | |
target-tricore: Add instructions of BOL opcode format
Add instructions of BOL opcode format.
Signed-off-by: Bastian Koppelmann <kbastian@mail.uni-paderborn.de>
Reviewed-by: Richard Henderson <rth@twiddle.net>
| -rw-r--r-- | target-tricore/translate.c | 48 | ||||
| -rw-r--r-- | target-tricore/tricore-opcodes.h | 4 |
2 files changed, 51 insertions, 1 deletions
diff --git a/target-tricore/translate.c b/target-tricore/translate.c index d5a95969bb..28e268e8ee 100644 --- a/target-tricore/translate.c +++ b/target-tricore/translate.c @@ -2279,6 +2279,46 @@ static void decode_bo_addrmode_ldmst_bitreverse_circular(CPUTriCoreState *env, tcg_temp_free(temp3); } +static void decode_bol_opc(CPUTriCoreState *env, DisasContext *ctx, int32_t op1) +{ + int r1, r2; + int32_t address; + TCGv temp; + + r1 = MASK_OP_BOL_S1D(ctx->opcode); + r2 = MASK_OP_BOL_S2(ctx->opcode); + address = MASK_OP_BOL_OFF16_SEXT(ctx->opcode); + + switch (op1) { + case OPC1_32_BOL_LD_A_LONGOFF: + temp = tcg_temp_new(); + tcg_gen_addi_tl(temp, cpu_gpr_a[r2], address); + tcg_gen_qemu_ld_tl(cpu_gpr_a[r1], temp, ctx->mem_idx, MO_LEUL); + tcg_temp_free(temp); + break; + case OPC1_32_BOL_LD_W_LONFOFF: + temp = tcg_temp_new(); + tcg_gen_addi_tl(temp, cpu_gpr_a[r2], address); + tcg_gen_qemu_ld_tl(cpu_gpr_d[r1], temp, ctx->mem_idx, MO_LEUL); + tcg_temp_free(temp); + break; + case OPC1_32_BOL_LEA_LONGOFF: + tcg_gen_addi_tl(cpu_gpr_a[r1], cpu_gpr_a[r2], address); + break; + case OPC1_32_BOL_ST_A_LONGOFF: + if (tricore_feature(env, TRICORE_FEATURE_16)) { + gen_offset_st(ctx, cpu_gpr_a[r1], cpu_gpr_a[r2], address, MO_LEUL); + } else { + /* raise illegal opcode trap */ + } + break; + case OPC1_32_BOL_ST_W_LONGOFF: + gen_offset_st(ctx, cpu_gpr_d[r1], cpu_gpr_a[r2], address, MO_LEUL); + break; + } + +} + static void decode_32Bit_opc(CPUTriCoreState *env, DisasContext *ctx) { int op1; @@ -2405,6 +2445,14 @@ static void decode_32Bit_opc(CPUTriCoreState *env, DisasContext *ctx) case OPCM_32_BO_ADDRMODE_LDMST_BITREVERSE_CIRCULAR: decode_bo_addrmode_ldmst_bitreverse_circular(env, ctx); break; +/* BOL-format */ + case OPC1_32_BOL_LD_A_LONGOFF: + case OPC1_32_BOL_LD_W_LONFOFF: + case OPC1_32_BOL_LEA_LONGOFF: + case OPC1_32_BOL_ST_W_LONGOFF: + case OPC1_32_BOL_ST_A_LONGOFF: + decode_bol_opc(env, ctx, op1); + break; } } diff --git a/target-tricore/tricore-opcodes.h b/target-tricore/tricore-opcodes.h index 7e6f33bd62..ba07d85222 100644 --- a/target-tricore/tricore-opcodes.h +++ b/target-tricore/tricore-opcodes.h @@ -115,7 +115,9 @@ #define MASK_OP_BOL_OFF16(op) ((MASK_BITS_SHIFT(op, 16, 21) + \ (MASK_BITS_SHIFT(op, 28, 31) << 6)) + \ (MASK_BITS_SHIFT(op, 22, 27) >> 10)) - +#define MASK_OP_BOL_OFF16_SEXT(op) ((MASK_BITS_SHIFT(op, 16, 21) + \ + (MASK_BITS_SHIFT(op, 28, 31) << 6)) + \ + (MASK_BITS_SHIFT_SEXT(op, 22, 27) << 10)) #define MASK_OP_BOL_S2(op) MASK_BITS_SHIFT(op, 12, 15) #define MASK_OP_BOL_S1D(op) MASK_BITS_SHIFT(op, 8, 11) |