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| author | Bastian Koppelmann <kbastian@mail.uni-paderborn.de> | 2014-09-26 20:28:02 +0100 |
|---|---|---|
| committer | Bastian Koppelmann <kbastian@mail.uni-paderborn.de> | 2014-10-20 12:25:07 +0100 |
| commit | f718b0bbfac8c64d7c989000041be6275745989a (patch) | |
| tree | f9166071c0bdc215255e591107f3a587cf8c92dc | |
| parent | 59543d4ee1cef54dd1af7cae211f3e95e7287ba4 (diff) | |
| download | qemu-f718b0bbfac8c64d7c989000041be6275745989a.zip qemu-f718b0bbfac8c64d7c989000041be6275745989a.tar.gz qemu-f718b0bbfac8c64d7c989000041be6275745989a.tar.bz2 | |
target-tricore: Add instructions of B opcode format
Add instructions of B 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 | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/target-tricore/translate.c b/target-tricore/translate.c index fc89a43..830bcd0 100644 --- a/target-tricore/translate.c +++ b/target-tricore/translate.c @@ -116,6 +116,8 @@ void tricore_cpu_dump_state(CPUState *cs, FILE *f, } while (0) #define EA_ABS_FORMAT(con) (((con & 0x3C000) << 14) + (con & 0x3FFF)) +#define EA_B_ABSOLUT(con) (((offset & 0xf00000) << 8) | \ + ((offset & 0x0fffff) << 1)) /* Functions for load/save to/from memory */ @@ -492,6 +494,7 @@ static void gen_compute_branch(DisasContext *ctx, uint32_t opc, int r1, case OPC1_32_B_J: gen_goto_tb(ctx, 0, ctx->pc + offset * 2); break; + case OPC1_32_B_CALL: case OPC1_16_SB_CALL: gen_helper_1arg(call, ctx->next_pc); gen_goto_tb(ctx, 0, ctx->pc + offset * 2); @@ -567,6 +570,20 @@ static void gen_compute_branch(DisasContext *ctx, uint32_t opc, int r1, gen_helper_ret(cpu_env); tcg_gen_exit_tb(0); break; +/* B-format */ + case OPC1_32_B_CALLA: + gen_helper_1arg(call, ctx->next_pc); + gen_goto_tb(ctx, 0, EA_B_ABSOLUT(offset)); + break; + case OPC1_32_B_JLA: + tcg_gen_movi_tl(cpu_gpr_a[11], ctx->next_pc); + case OPC1_32_B_JA: + gen_goto_tb(ctx, 0, EA_B_ABSOLUT(offset)); + break; + case OPC1_32_B_JL: + tcg_gen_movi_tl(cpu_gpr_a[11], ctx->next_pc); + gen_goto_tb(ctx, 0, ctx->pc + offset * 2); + break; default: printf("Branch Error at %x\n", ctx->pc); } @@ -1403,6 +1420,16 @@ static void decode_32Bit_opc(CPUTriCoreState *env, DisasContext *ctx) tcg_temp_free(temp); tcg_temp_free(temp2); break; +/* B-format */ + case OPC1_32_B_CALL: + case OPC1_32_B_CALLA: + case OPC1_32_B_J: + case OPC1_32_B_JA: + case OPC1_32_B_JL: + case OPC1_32_B_JLA: + address = MASK_OP_B_DISP24(ctx->opcode); + gen_compute_branch(ctx, op1, 0, 0, 0, address); + break; } } |