From bc3551c43308dd77bc1cc9a4e39962b2afd4dffc Mon Sep 17 00:00:00 2001 From: Bastian Koppelmann Date: Thu, 7 May 2015 21:25:42 +0200 Subject: target-tricore: add SYS_RESTORE instruction of the v1.6 ISA Signed-off-by: Bastian Koppelmann Reviewed-by: Richard Henderson --- target-tricore/translate.c | 10 ++++++++++ target-tricore/tricore-opcodes.h | 1 + 2 files changed, 11 insertions(+) diff --git a/target-tricore/translate.c b/target-tricore/translate.c index 52f474ba9f..4aea0c632a 100644 --- a/target-tricore/translate.c +++ b/target-tricore/translate.c @@ -7792,10 +7792,12 @@ static void decode_rrrw_extract_insert(CPUTriCoreState *env, DisasContext *ctx) static void decode_sys_interrupts(CPUTriCoreState *env, DisasContext *ctx) { uint32_t op2; + uint32_t r1; TCGLabel *l1; TCGv tmp; op2 = MASK_OP_SYS_OP2(ctx->opcode); + r1 = MASK_OP_SYS_S1D(ctx->opcode); switch (op2) { case OPC2_32_SYS_DEBUG: @@ -7844,6 +7846,14 @@ static void decode_sys_interrupts(CPUTriCoreState *env, DisasContext *ctx) case OPC2_32_SYS_SVLCX: gen_helper_svlcx(cpu_env); break; + case OPC2_32_SYS_RESTORE: + if (tricore_feature(env, TRICORE_FEATURE_16)) { + if ((ctx->hflags & TRICORE_HFLAG_KUU) == TRICORE_HFLAG_SM || + (ctx->hflags & TRICORE_HFLAG_KUU) == TRICORE_HFLAG_UM1) { + tcg_gen_deposit_tl(cpu_ICR, cpu_ICR, cpu_gpr_d[r1], 8, 1); + } /* else raise privilege trap */ + } /* else raise illegal opcode trap */ + break; case OPC2_32_SYS_TRAPSV: /* TODO: raise sticky overflow trap */ break; diff --git a/target-tricore/tricore-opcodes.h b/target-tricore/tricore-opcodes.h index 440c7fefed..d1506a9429 100644 --- a/target-tricore/tricore-opcodes.h +++ b/target-tricore/tricore-opcodes.h @@ -1434,4 +1434,5 @@ enum { OPC2_32_SYS_SVLCX = 0x08, OPC2_32_SYS_TRAPSV = 0x15, OPC2_32_SYS_TRAPV = 0x14, + OPC2_32_SYS_RESTORE = 0x0e, }; -- cgit v1.2.3