Signed-off-by: Bastian Koppelmann <kbast...@mail.uni-paderborn.de>
---
target-tricore/translate.c | 21 +++++++++++++++++++++
target-tricore/tricore-opcodes.h | 3 +++
2 files changed, 24 insertions(+)
diff --git a/target-tricore/translate.c b/target-tricore/translate.c
index 4aea0c6..545cc06 100644
--- a/target-tricore/translate.c
+++ b/target-tricore/translate.c
@@ -3275,6 +3275,13 @@ static void gen_loop(DisasContext *ctx, int r1, int32_t
offset)
gen_goto_tb(ctx, 0, ctx->next_pc);
}
+static void gen_fcall_save_ctx(DisasContext *ctx)
+{
+ tcg_gen_addi_tl(cpu_gpr_a[10], cpu_gpr_a[10], -4);
+ tcg_gen_qemu_st_tl(cpu_gpr_a[11], cpu_gpr_a[10], ctx->mem_idx, MO_LESL);
+ tcg_gen_movi_tl(cpu_gpr_a[11], ctx->next_pc);
+}
+
static void gen_compute_branch(DisasContext *ctx, uint32_t opc, int r1,
int r2 , int32_t constant , int32_t offset)
{
@@ -3369,6 +3376,14 @@ static void gen_compute_branch(DisasContext *ctx,
uint32_t opc, int r1,
gen_helper_1arg(call, ctx->next_pc);
gen_goto_tb(ctx, 0, EA_B_ABSOLUT(offset));
break;
+ case OPC1_32_B_FCALL:
+ gen_fcall_save_ctx(ctx);
+ gen_goto_tb(ctx, 0, ctx->pc + offset * 2);
+ break;
+ case OPC1_32_B_FCALLA:
+ gen_fcall_save_ctx(ctx);
+ 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);
/* fall through */
@@ -6311,6 +6326,10 @@ static void decode_rr_idirect(CPUTriCoreState *env,
DisasContext *ctx)
gen_helper_1arg(call, ctx->next_pc);
tcg_gen_andi_tl(cpu_PC, cpu_gpr_a[r1], ~0x1);
break;
+ case OPC2_32_RR_FCALLI:
+ gen_fcall_save_ctx(ctx);
+ tcg_gen_andi_tl(cpu_PC, cpu_gpr_a[r1], ~0x1);
+ break;
}
tcg_gen_exit_tb(0);
ctx->bstate = BS_BRANCH;
@@ -7946,6 +7965,8 @@ static void decode_32Bit_opc(CPUTriCoreState *env,
DisasContext *ctx)
/* B-format */
case OPC1_32_B_CALL:
case OPC1_32_B_CALLA:
+ case OPC1_32_B_FCALL:
+ case OPC1_32_B_FCALLA:
case OPC1_32_B_J:
case OPC1_32_B_JA:
case OPC1_32_B_JL:
diff --git a/target-tricore/tricore-opcodes.h b/target-tricore/tricore-opcodes.h
index d1506a9..bb1939c 100644
--- a/target-tricore/tricore-opcodes.h
+++ b/target-tricore/tricore-opcodes.h
@@ -428,6 +428,8 @@ enum {
/* B Format */
OPC1_32_B_CALL = 0x6d,
OPC1_32_B_CALLA = 0xed,
+ OPC1_32_B_FCALL = 0x61,
+ OPC1_32_B_FCALLA = 0xe1,
OPC1_32_B_J = 0x1d,
OPC1_32_B_JA = 0x9d,
OPC1_32_B_JL = 0x5d,
@@ -1127,6 +1129,7 @@ enum {
OPC2_32_RR_JI = 0x03,
OPC2_32_RR_JLI = 0x02,
OPC2_32_RR_CALLI = 0x00,
+ OPC2_32_RR_FCALLI = 0x01,
};
/*
* RR1 Format
--
2.4.0
