From 1e3916b0cbfd39cb3fc8996423d5574068583145 Mon Sep 17 00:00:00 2001 From: Aurelien Jarno Date: Thu, 30 Aug 2012 16:56:39 +0200 Subject: [PATCH] target-cris: Avoid AREG0 for helpers Add an explicit CPUCRISState parameter instead of relying on AREG0. Signed-off-by: Blue Swirl Signed-off-by: Aurelien Jarno Signed-off-by: Michael Roth --- target-cris/helper.h | 37 +++++++++++---------- target-cris/op_helper.c | 80 ++++++++++++++++++++++++--------------------- target-cris/translate.c | 44 +++++++++++++------------ target-cris/translate_v10.c | 4 +-- 4 files changed, 88 insertions(+), 77 deletions(-) diff --git a/target-cris/helper.h b/target-cris/helper.h index 093063a..99fb326 100644 --- a/target-cris/helper.h +++ b/target-cris/helper.h @@ -1,26 +1,29 @@ #include "def-helper.h" -DEF_HELPER_1(raise_exception, void, i32) -DEF_HELPER_1(tlb_flush_pid, void, i32) -DEF_HELPER_1(spc_write, void, i32) +DEF_HELPER_2(raise_exception, void, env, i32) +DEF_HELPER_2(tlb_flush_pid, void, env, i32) +DEF_HELPER_2(spc_write, void, env, i32) DEF_HELPER_3(dump, void, i32, i32, i32) -DEF_HELPER_0(rfe, void); -DEF_HELPER_0(rfn, void); +DEF_HELPER_1(rfe, void, env); +DEF_HELPER_1(rfn, void, env); -DEF_HELPER_2(movl_sreg_reg, void, i32, i32) -DEF_HELPER_2(movl_reg_sreg, void, i32, i32) +DEF_HELPER_3(movl_sreg_reg, void, env, i32, i32) +DEF_HELPER_3(movl_reg_sreg, void, env, i32, i32) DEF_HELPER_FLAGS_1(lz, TCG_CALL_PURE, i32, i32); -DEF_HELPER_FLAGS_3(btst, TCG_CALL_PURE, i32, i32, i32, i32); +DEF_HELPER_FLAGS_4(btst, TCG_CALL_PURE, i32, env, i32, i32, i32); -DEF_HELPER_FLAGS_3(evaluate_flags_muls, TCG_CALL_PURE, i32, i32, i32, i32) -DEF_HELPER_FLAGS_3(evaluate_flags_mulu, TCG_CALL_PURE, i32, i32, i32, i32) -DEF_HELPER_FLAGS_4(evaluate_flags_mcp, TCG_CALL_PURE, i32, i32, i32, i32, i32) -DEF_HELPER_FLAGS_4(evaluate_flags_alu_4, TCG_CALL_PURE, i32, i32, i32, i32, i32) -DEF_HELPER_FLAGS_4(evaluate_flags_sub_4, TCG_CALL_PURE, i32, i32, i32, i32, i32) -DEF_HELPER_FLAGS_2(evaluate_flags_move_4, TCG_CALL_PURE, i32, i32, i32) -DEF_HELPER_FLAGS_2(evaluate_flags_move_2, TCG_CALL_PURE, i32, i32, i32) -DEF_HELPER_0(evaluate_flags, void) -DEF_HELPER_0(top_evaluate_flags, void) +DEF_HELPER_FLAGS_4(evaluate_flags_muls, TCG_CALL_PURE, i32, env, i32, i32, i32) +DEF_HELPER_FLAGS_4(evaluate_flags_mulu, TCG_CALL_PURE, i32, env, i32, i32, i32) +DEF_HELPER_FLAGS_5(evaluate_flags_mcp, TCG_CALL_PURE, i32, env, + i32, i32, i32, i32) +DEF_HELPER_FLAGS_5(evaluate_flags_alu_4, TCG_CALL_PURE, i32, env, + i32, i32, i32, i32) +DEF_HELPER_FLAGS_5(evaluate_flags_sub_4, TCG_CALL_PURE, i32, env, + i32, i32, i32, i32) +DEF_HELPER_FLAGS_3(evaluate_flags_move_4, TCG_CALL_PURE, i32, env, i32, i32) +DEF_HELPER_FLAGS_3(evaluate_flags_move_2, TCG_CALL_PURE, i32, env, i32, i32) +DEF_HELPER_1(evaluate_flags, void, env) +DEF_HELPER_1(top_evaluate_flags, void, env) #include "def-helper.h" diff --git a/target-cris/op_helper.c b/target-cris/op_helper.c index ac7c98c..5ca85a0 100644 --- a/target-cris/op_helper.c +++ b/target-cris/op_helper.c @@ -79,7 +79,7 @@ void tlb_fill(CPUCRISState *env1, target_ulong addr, int is_write, int mmu_idx, cpu_restore_state(tb, env, retaddr); /* Evaluate flags after retranslation. */ - helper_top_evaluate_flags(); + helper_top_evaluate_flags(env); } } cpu_loop_exit(env); @@ -89,13 +89,13 @@ void tlb_fill(CPUCRISState *env1, target_ulong addr, int is_write, int mmu_idx, #endif -void helper_raise_exception(uint32_t index) +void helper_raise_exception(CPUCRISState *env, uint32_t index) { env->exception_index = index; cpu_loop_exit(env); } -void helper_tlb_flush_pid(uint32_t pid) +void helper_tlb_flush_pid(CPUCRISState *env, uint32_t pid) { #if !defined(CONFIG_USER_ONLY) pid &= 0xff; @@ -104,7 +104,7 @@ void helper_tlb_flush_pid(uint32_t pid) #endif } -void helper_spc_write(uint32_t new_spc) +void helper_spc_write(CPUCRISState *env, uint32_t new_spc) { #if !defined(CONFIG_USER_ONLY) tlb_flush_page(env, env->pregs[PR_SPC]); @@ -121,7 +121,7 @@ void helper_dump(uint32_t a0, uint32_t a1, uint32_t a2) #define EXTRACT_FIELD(src, start, end) \ (((src) >> start) & ((1 << (end - start + 1)) - 1)) -void helper_movl_sreg_reg (uint32_t sreg, uint32_t reg) +void helper_movl_sreg_reg(CPUCRISState *env, uint32_t sreg, uint32_t reg) { uint32_t srs; srs = env->pregs[PR_SRS]; @@ -171,7 +171,7 @@ void helper_movl_sreg_reg (uint32_t sreg, uint32_t reg) #endif } -void helper_movl_reg_sreg (uint32_t reg, uint32_t sreg) +void helper_movl_reg_sreg(CPUCRISState *env, uint32_t reg, uint32_t sreg) { uint32_t srs; env->pregs[PR_SRS] &= 3; @@ -216,7 +216,7 @@ static void cris_ccs_rshift(CPUCRISState *env) env->pregs[PR_CCS] = ccs; } -void helper_rfe(void) +void helper_rfe(CPUCRISState *env) { int rflag = env->pregs[PR_CCS] & R_FLAG; @@ -232,7 +232,7 @@ void helper_rfe(void) env->pregs[PR_CCS] |= P_FLAG; } -void helper_rfn(void) +void helper_rfn(CPUCRISState *env) { int rflag = env->pregs[PR_CCS] & R_FLAG; @@ -256,7 +256,7 @@ uint32_t helper_lz(uint32_t t0) return clz32(t0); } -uint32_t helper_btst(uint32_t t0, uint32_t t1, uint32_t ccs) +uint32_t helper_btst(CPUCRISState *env, uint32_t t0, uint32_t t1, uint32_t ccs) { /* FIXME: clean this up. */ @@ -284,7 +284,8 @@ uint32_t helper_btst(uint32_t t0, uint32_t t1, uint32_t ccs) return ccs; } -static inline uint32_t evaluate_flags_writeback(uint32_t flags, uint32_t ccs) +static inline uint32_t evaluate_flags_writeback(CPUCRISState *env, + uint32_t flags, uint32_t ccs) { unsigned int x, z, mask; @@ -303,7 +304,8 @@ static inline uint32_t evaluate_flags_writeback(uint32_t flags, uint32_t ccs) return ccs; } -uint32_t helper_evaluate_flags_muls(uint32_t ccs, uint32_t res, uint32_t mof) +uint32_t helper_evaluate_flags_muls(CPUCRISState *env, + uint32_t ccs, uint32_t res, uint32_t mof) { uint32_t flags = 0; int64_t tmp; @@ -321,10 +323,11 @@ uint32_t helper_evaluate_flags_muls(uint32_t ccs, uint32_t res, uint32_t mof) if ((dneg && mof != -1) || (!dneg && mof != 0)) flags |= V_FLAG; - return evaluate_flags_writeback(flags, ccs); + return evaluate_flags_writeback(env, flags, ccs); } -uint32_t helper_evaluate_flags_mulu(uint32_t ccs, uint32_t res, uint32_t mof) +uint32_t helper_evaluate_flags_mulu(CPUCRISState *env, + uint32_t ccs, uint32_t res, uint32_t mof) { uint32_t flags = 0; uint64_t tmp; @@ -339,10 +342,10 @@ uint32_t helper_evaluate_flags_mulu(uint32_t ccs, uint32_t res, uint32_t mof) if (mof) flags |= V_FLAG; - return evaluate_flags_writeback(flags, ccs); + return evaluate_flags_writeback(env, flags, ccs); } -uint32_t helper_evaluate_flags_mcp(uint32_t ccs, +uint32_t helper_evaluate_flags_mcp(CPUCRISState *env, uint32_t ccs, uint32_t src, uint32_t dst, uint32_t res) { uint32_t flags = 0; @@ -368,10 +371,10 @@ uint32_t helper_evaluate_flags_mcp(uint32_t ccs, flags |= R_FLAG; } - return evaluate_flags_writeback(flags, ccs); + return evaluate_flags_writeback(env, flags, ccs); } -uint32_t helper_evaluate_flags_alu_4(uint32_t ccs, +uint32_t helper_evaluate_flags_alu_4(CPUCRISState *env, uint32_t ccs, uint32_t src, uint32_t dst, uint32_t res) { uint32_t flags = 0; @@ -397,10 +400,10 @@ uint32_t helper_evaluate_flags_alu_4(uint32_t ccs, flags |= C_FLAG; } - return evaluate_flags_writeback(flags, ccs); + return evaluate_flags_writeback(env, flags, ccs); } -uint32_t helper_evaluate_flags_sub_4(uint32_t ccs, +uint32_t helper_evaluate_flags_sub_4(CPUCRISState *env, uint32_t ccs, uint32_t src, uint32_t dst, uint32_t res) { uint32_t flags = 0; @@ -427,10 +430,11 @@ uint32_t helper_evaluate_flags_sub_4(uint32_t ccs, } flags ^= C_FLAG; - return evaluate_flags_writeback(flags, ccs); + return evaluate_flags_writeback(env, flags, ccs); } -uint32_t helper_evaluate_flags_move_4(uint32_t ccs, uint32_t res) +uint32_t helper_evaluate_flags_move_4(CPUCRISState *env, + uint32_t ccs, uint32_t res) { uint32_t flags = 0; @@ -439,9 +443,10 @@ uint32_t helper_evaluate_flags_move_4(uint32_t ccs, uint32_t res) else if (res == 0L) flags |= Z_FLAG; - return evaluate_flags_writeback(flags, ccs); + return evaluate_flags_writeback(env, flags, ccs); } -uint32_t helper_evaluate_flags_move_2(uint32_t ccs, uint32_t res) +uint32_t helper_evaluate_flags_move_2(CPUCRISState *env, + uint32_t ccs, uint32_t res) { uint32_t flags = 0; @@ -450,12 +455,12 @@ uint32_t helper_evaluate_flags_move_2(uint32_t ccs, uint32_t res) else if (res == 0) flags |= Z_FLAG; - return evaluate_flags_writeback(flags, ccs); + return evaluate_flags_writeback(env, flags, ccs); } /* TODO: This is expensive. We could split things up and only evaluate part of CCR on a need to know basis. For now, we simply re-evaluate everything. */ -void helper_evaluate_flags(void) +void helper_evaluate_flags(CPUCRISState *env) { uint32_t src, dst, res; uint32_t flags = 0; @@ -571,25 +576,26 @@ void helper_evaluate_flags(void) if (env->cc_op == CC_OP_SUB || env->cc_op == CC_OP_CMP) flags ^= C_FLAG; - env->pregs[PR_CCS] = evaluate_flags_writeback(flags, env->pregs[PR_CCS]); + env->pregs[PR_CCS] = evaluate_flags_writeback(env, flags, + env->pregs[PR_CCS]); } -void helper_top_evaluate_flags(void) +void helper_top_evaluate_flags(CPUCRISState *env) { switch (env->cc_op) { case CC_OP_MCP: - env->pregs[PR_CCS] = helper_evaluate_flags_mcp( + env->pregs[PR_CCS] = helper_evaluate_flags_mcp(env, env->pregs[PR_CCS], env->cc_src, env->cc_dest, env->cc_result); break; case CC_OP_MULS: - env->pregs[PR_CCS] = helper_evaluate_flags_muls( + env->pregs[PR_CCS] = helper_evaluate_flags_muls(env, env->pregs[PR_CCS], env->cc_result, env->pregs[PR_MOF]); break; case CC_OP_MULU: - env->pregs[PR_CCS] = helper_evaluate_flags_mulu( + env->pregs[PR_CCS] = helper_evaluate_flags_mulu(env, env->pregs[PR_CCS], env->cc_result, env->pregs[PR_MOF]); break; @@ -604,18 +610,18 @@ void helper_top_evaluate_flags(void) { case 4: env->pregs[PR_CCS] = - helper_evaluate_flags_move_4( + helper_evaluate_flags_move_4(env, env->pregs[PR_CCS], env->cc_result); break; case 2: env->pregs[PR_CCS] = - helper_evaluate_flags_move_2( + helper_evaluate_flags_move_2(env, env->pregs[PR_CCS], env->cc_result); break; default: - helper_evaluate_flags(); + helper_evaluate_flags(env); break; } break; @@ -626,12 +632,12 @@ void helper_top_evaluate_flags(void) case CC_OP_CMP: if (env->cc_size == 4) env->pregs[PR_CCS] = - helper_evaluate_flags_sub_4( + helper_evaluate_flags_sub_4(env, env->pregs[PR_CCS], env->cc_src, env->cc_dest, env->cc_result); else - helper_evaluate_flags(); + helper_evaluate_flags(env); break; default: { @@ -639,13 +645,13 @@ void helper_top_evaluate_flags(void) { case 4: env->pregs[PR_CCS] = - helper_evaluate_flags_alu_4( + helper_evaluate_flags_alu_4(env, env->pregs[PR_CCS], env->cc_src, env->cc_dest, env->cc_result); break; default: - helper_evaluate_flags(); + helper_evaluate_flags(env); break; } } diff --git a/target-cris/translate.c b/target-cris/translate.c index ad31877..283dd98 100644 --- a/target-cris/translate.c +++ b/target-cris/translate.c @@ -211,9 +211,9 @@ static inline void t_gen_mov_preg_TN(DisasContext *dc, int r, TCGv tn) tcg_gen_andi_tl(cpu_PR[r], tn, 3); else { if (r == PR_PID) - gen_helper_tlb_flush_pid(tn); + gen_helper_tlb_flush_pid(cpu_env, tn); if (dc->tb_flags & S_FLAG && r == PR_SPC) - gen_helper_spc_write(tn); + gen_helper_spc_write(cpu_env, tn); else if (r == PR_CCS) dc->cpustate_changed = 1; tcg_gen_mov_tl(cpu_PR[r], tn); @@ -278,7 +278,7 @@ static void cris_lock_irq(DisasContext *dc) static inline void t_gen_raise_exception(uint32_t index) { TCGv_i32 tmp = tcg_const_i32(index); - gen_helper_raise_exception(tmp); + gen_helper_raise_exception(cpu_env, tmp); tcg_temp_free_i32(tmp); } @@ -624,17 +624,17 @@ static void cris_evaluate_flags(DisasContext *dc) switch (dc->cc_op) { case CC_OP_MCP: - gen_helper_evaluate_flags_mcp(cpu_PR[PR_CCS], + gen_helper_evaluate_flags_mcp(cpu_PR[PR_CCS], cpu_env, cpu_PR[PR_CCS], cc_src, cc_dest, cc_result); break; case CC_OP_MULS: - gen_helper_evaluate_flags_muls(cpu_PR[PR_CCS], + gen_helper_evaluate_flags_muls(cpu_PR[PR_CCS], cpu_env, cpu_PR[PR_CCS], cc_result, cpu_PR[PR_MOF]); break; case CC_OP_MULU: - gen_helper_evaluate_flags_mulu(cpu_PR[PR_CCS], + gen_helper_evaluate_flags_mulu(cpu_PR[PR_CCS], cpu_env, cpu_PR[PR_CCS], cc_result, cpu_PR[PR_MOF]); break; @@ -648,15 +648,15 @@ static void cris_evaluate_flags(DisasContext *dc) switch (dc->cc_size) { case 4: - gen_helper_evaluate_flags_move_4(cpu_PR[PR_CCS], - cpu_PR[PR_CCS], cc_result); + gen_helper_evaluate_flags_move_4(cpu_PR[PR_CCS], + cpu_env, cpu_PR[PR_CCS], cc_result); break; case 2: - gen_helper_evaluate_flags_move_2(cpu_PR[PR_CCS], - cpu_PR[PR_CCS], cc_result); + gen_helper_evaluate_flags_move_2(cpu_PR[PR_CCS], + cpu_env, cpu_PR[PR_CCS], cc_result); break; default: - gen_helper_evaluate_flags(); + gen_helper_evaluate_flags(cpu_env); break; } break; @@ -666,21 +666,21 @@ static void cris_evaluate_flags(DisasContext *dc) case CC_OP_SUB: case CC_OP_CMP: if (dc->cc_size == 4) - gen_helper_evaluate_flags_sub_4(cpu_PR[PR_CCS], + gen_helper_evaluate_flags_sub_4(cpu_PR[PR_CCS], cpu_env, cpu_PR[PR_CCS], cc_src, cc_dest, cc_result); else - gen_helper_evaluate_flags(); + gen_helper_evaluate_flags(cpu_env); break; default: switch (dc->cc_size) { case 4: - gen_helper_evaluate_flags_alu_4(cpu_PR[PR_CCS], + gen_helper_evaluate_flags_alu_4(cpu_PR[PR_CCS], cpu_env, cpu_PR[PR_CCS], cc_src, cc_dest, cc_result); break; default: - gen_helper_evaluate_flags(); + gen_helper_evaluate_flags(cpu_env); break; } break; @@ -1475,7 +1475,7 @@ static int dec_btstq(DisasContext *dc) cris_cc_mask(dc, CC_MASK_NZ); cris_evaluate_flags(dc); - gen_helper_btst(cpu_PR[PR_CCS], cpu_R[dc->op2], + gen_helper_btst(cpu_PR[PR_CCS], cpu_env, cpu_R[dc->op2], tcg_const_tl(dc->op1), cpu_PR[PR_CCS]); cris_alu(dc, CC_OP_MOVE, cpu_R[dc->op2], cpu_R[dc->op2], cpu_R[dc->op2], 4); @@ -1925,7 +1925,7 @@ static int dec_btst_r(DisasContext *dc) dc->op1, dc->op2); cris_cc_mask(dc, CC_MASK_NZ); cris_evaluate_flags(dc); - gen_helper_btst(cpu_PR[PR_CCS], cpu_R[dc->op2], + gen_helper_btst(cpu_PR[PR_CCS], cpu_env, cpu_R[dc->op2], cpu_R[dc->op1], cpu_PR[PR_CCS]); cris_alu(dc, CC_OP_MOVE, cpu_R[dc->op2], cpu_R[dc->op2], cpu_R[dc->op2], 4); @@ -2135,14 +2135,16 @@ static int dec_move_rs(DisasContext *dc) { LOG_DIS("move $r%u, $s%u\n", dc->op1, dc->op2); cris_cc_mask(dc, 0); - gen_helper_movl_sreg_reg(tcg_const_tl(dc->op2), tcg_const_tl(dc->op1)); + gen_helper_movl_sreg_reg(cpu_env, tcg_const_tl(dc->op2), + tcg_const_tl(dc->op1)); return 2; } static int dec_move_sr(DisasContext *dc) { LOG_DIS("move $s%u, $r%u\n", dc->op2, dc->op1); cris_cc_mask(dc, 0); - gen_helper_movl_reg_sreg(tcg_const_tl(dc->op1), tcg_const_tl(dc->op2)); + gen_helper_movl_reg_sreg(cpu_env, tcg_const_tl(dc->op1), + tcg_const_tl(dc->op2)); return 2; } @@ -2906,14 +2908,14 @@ static int dec_rfe_etc(DisasContext *dc) /* rfe. */ LOG_DIS("rfe\n"); cris_evaluate_flags(dc); - gen_helper_rfe(); + gen_helper_rfe(cpu_env); dc->is_jmp = DISAS_UPDATE; break; case 5: /* rfn. */ LOG_DIS("rfn\n"); cris_evaluate_flags(dc); - gen_helper_rfn(); + gen_helper_rfn(cpu_env); dc->is_jmp = DISAS_UPDATE; break; case 6: diff --git a/target-cris/translate_v10.c b/target-cris/translate_v10.c index 3629629..9a39c6a 100644 --- a/target-cris/translate_v10.c +++ b/target-cris/translate_v10.c @@ -289,7 +289,7 @@ static unsigned int dec10_quick_imm(DisasContext *dc) } else { /* BTST */ cris_update_cc_op(dc, CC_OP_FLAGS, 4); - gen_helper_btst(cpu_PR[PR_CCS], cpu_R[dc->dst], + gen_helper_btst(cpu_PR[PR_CCS], cpu_env, cpu_R[dc->dst], tcg_const_tl(imm), cpu_PR[PR_CCS]); } break; @@ -723,7 +723,7 @@ static unsigned int dec10_reg(DisasContext *dc) LOG_DIS("btst $r%d, $r%d sz=%d\n", dc->src, dc->dst, size); cris_cc_mask(dc, CC_MASK_NZVC); cris_update_cc_op(dc, CC_OP_FLAGS, 4); - gen_helper_btst(cpu_PR[PR_CCS], cpu_R[dc->dst], + gen_helper_btst(cpu_PR[PR_CCS], cpu_env, cpu_R[dc->dst], cpu_R[dc->src], cpu_PR[PR_CCS]); break; case CRISV10_REG_DSTEP: -- 1.8.0.2