X-Git-Url: https://repo.jachan.dev/qemu.git/blobdiff_plain/501a7ce7270955be151c442c27620fa7af2f3ce5..f0c3c505a8ec1a948006b3a16a35864a2270a84b:/target-unicore32/translate.c diff --git a/target-unicore32/translate.c b/target-unicore32/translate.c index f4498bcb14..5032bbe2a0 100644 --- a/target-unicore32/translate.c +++ b/target-unicore32/translate.c @@ -74,9 +74,6 @@ void uc32_translate_init(void) cpu_R[i] = tcg_global_mem_new_i32(TCG_AREG0, offsetof(CPUUniCore32State, regs[i]), regnames[i]); } - -#define GEN_HELPER 2 -#include "helper.h" } static int num_temps; @@ -267,37 +264,6 @@ static void gen_exception(int excp) dead_tmp(tmp); } -/* FIXME: Most targets have native widening multiplication. - It would be good to use that instead of a full wide multiply. */ -/* 32x32->64 multiply. Marks inputs as dead. */ -static TCGv_i64 gen_mulu_i64_i32(TCGv a, TCGv b) -{ - TCGv_i64 tmp1 = tcg_temp_new_i64(); - TCGv_i64 tmp2 = tcg_temp_new_i64(); - - tcg_gen_extu_i32_i64(tmp1, a); - dead_tmp(a); - tcg_gen_extu_i32_i64(tmp2, b); - dead_tmp(b); - tcg_gen_mul_i64(tmp1, tmp1, tmp2); - tcg_temp_free_i64(tmp2); - return tmp1; -} - -static TCGv_i64 gen_muls_i64_i32(TCGv a, TCGv b) -{ - TCGv_i64 tmp1 = tcg_temp_new_i64(); - TCGv_i64 tmp2 = tcg_temp_new_i64(); - - tcg_gen_ext_i32_i64(tmp1, a); - dead_tmp(a); - tcg_gen_ext_i32_i64(tmp2, b); - dead_tmp(b); - tcg_gen_mul_i64(tmp1, tmp1, tmp2); - tcg_temp_free_i64(tmp2); - return tmp1; -} - #define gen_set_CF(var) tcg_gen_st_i32(var, cpu_env, offsetof(CPUUniCore32State, CF)) /* Set CF to the top bit of var. */ @@ -1131,7 +1097,7 @@ static inline void gen_goto_tb(DisasContext *s, int n, uint32_t dest) if ((tb->pc & TARGET_PAGE_MASK) == (dest & TARGET_PAGE_MASK)) { tcg_gen_goto_tb(n); gen_set_pc_im(dest); - tcg_gen_exit_tb((tcg_target_long)tb + n); + tcg_gen_exit_tb((uintptr_t)tb + n); } else { gen_set_pc_im(dest); tcg_gen_exit_tb(0); @@ -1219,38 +1185,6 @@ static void disas_coproc_insn(CPUUniCore32State *env, DisasContext *s, } } - -/* Store a 64-bit value to a register pair. Clobbers val. */ -static void gen_storeq_reg(DisasContext *s, int rlow, int rhigh, TCGv_i64 val) -{ - TCGv tmp; - tmp = new_tmp(); - tcg_gen_trunc_i64_i32(tmp, val); - store_reg(s, rlow, tmp); - tmp = new_tmp(); - tcg_gen_shri_i64(val, val, 32); - tcg_gen_trunc_i64_i32(tmp, val); - store_reg(s, rhigh, tmp); -} - -/* load and add a 64-bit value from a register pair. */ -static void gen_addq(DisasContext *s, TCGv_i64 val, int rlow, int rhigh) -{ - TCGv_i64 tmp; - TCGv tmpl; - TCGv tmph; - - /* Load 64-bit value rd:rn. */ - tmpl = load_reg(s, rlow); - tmph = load_reg(s, rhigh); - tmp = tcg_temp_new_i64(); - tcg_gen_concat_i32_i64(tmp, tmpl, tmph); - dead_tmp(tmpl); - dead_tmp(tmph); - tcg_gen_add_i64(val, val, tmp); - tcg_temp_free_i64(tmp); -} - /* data processing instructions */ static void do_datap(CPUUniCore32State *env, DisasContext *s, uint32_t insn) { @@ -1445,24 +1379,26 @@ static void do_datap(CPUUniCore32State *env, DisasContext *s, uint32_t insn) /* multiply */ static void do_mult(CPUUniCore32State *env, DisasContext *s, uint32_t insn) { - TCGv tmp; - TCGv tmp2; - TCGv_i64 tmp64; + TCGv tmp, tmp2, tmp3, tmp4; if (UCOP_SET(27)) { /* 64 bit mul */ tmp = load_reg(s, UCOP_REG_M); tmp2 = load_reg(s, UCOP_REG_N); if (UCOP_SET(26)) { - tmp64 = gen_muls_i64_i32(tmp, tmp2); + tcg_gen_muls2_i32(tmp, tmp2, tmp, tmp2); } else { - tmp64 = gen_mulu_i64_i32(tmp, tmp2); + tcg_gen_mulu2_i32(tmp, tmp2, tmp, tmp2); } if (UCOP_SET(25)) { /* mult accumulate */ - gen_addq(s, tmp64, UCOP_REG_LO, UCOP_REG_HI); - } - gen_storeq_reg(s, UCOP_REG_LO, UCOP_REG_HI, tmp64); - tcg_temp_free_i64(tmp64); + tmp3 = load_reg(s, UCOP_REG_LO); + tmp4 = load_reg(s, UCOP_REG_HI); + tcg_gen_add2_i32(tmp, tmp2, tmp, tmp2, tmp3, tmp4); + dead_tmp(tmp3); + dead_tmp(tmp4); + } + store_reg(s, UCOP_REG_LO, tmp); + store_reg(s, UCOP_REG_HI, tmp2); } else { /* 32 bit mul */ tmp = load_reg(s, UCOP_REG_M); @@ -1937,9 +1873,11 @@ static void disas_uc32_insn(CPUUniCore32State *env, DisasContext *s) /* generate intermediate code in gen_opc_buf and gen_opparam_buf for basic block 'tb'. If search_pc is TRUE, also generate PC information for each intermediate instruction. */ -static inline void gen_intermediate_code_internal(CPUUniCore32State *env, - TranslationBlock *tb, int search_pc) +static inline void gen_intermediate_code_internal(UniCore32CPU *cpu, + TranslationBlock *tb, bool search_pc) { + CPUState *cs = CPU(cpu); + CPUUniCore32State *env = &cpu->env; DisasContext dc1, *dc = &dc1; CPUBreakpoint *bp; uint16_t *gen_opc_end; @@ -1960,7 +1898,7 @@ static inline void gen_intermediate_code_internal(CPUUniCore32State *env, dc->is_jmp = DISAS_NEXT; dc->pc = pc_start; - dc->singlestep_enabled = env->singlestep_enabled; + dc->singlestep_enabled = cs->singlestep_enabled; dc->condjmp = 0; cpu_F0s = tcg_temp_new_i32(); cpu_F1s = tcg_temp_new_i32(); @@ -1982,10 +1920,10 @@ static inline void gen_intermediate_code_internal(CPUUniCore32State *env, } #endif - gen_icount_start(); + gen_tb_start(); do { - if (unlikely(!QTAILQ_EMPTY(&env->breakpoints))) { - QTAILQ_FOREACH(bp, &env->breakpoints, entry) { + if (unlikely(!QTAILQ_EMPTY(&cs->breakpoints))) { + QTAILQ_FOREACH(bp, &cs->breakpoints, entry) { if (bp->pc == dc->pc) { gen_set_pc_im(dc->pc); gen_exception(EXCP_DEBUG); @@ -1994,7 +1932,6 @@ static inline void gen_intermediate_code_internal(CPUUniCore32State *env, invalidate this TB. */ dc->pc += 2; /* FIXME */ goto done_generating; - break; } } } @@ -2032,7 +1969,7 @@ static inline void gen_intermediate_code_internal(CPUUniCore32State *env, * ensures prefetch aborts occur at the right place. */ num_insns++; } while (!dc->is_jmp && tcg_ctx.gen_opc_ptr < gen_opc_end && - !env->singlestep_enabled && + !cs->singlestep_enabled && !singlestep && dc->pc < next_page_start && num_insns < max_insns); @@ -2049,7 +1986,7 @@ static inline void gen_intermediate_code_internal(CPUUniCore32State *env, /* At this stage dc->condjmp will only be set when the skipped instruction was a conditional branch or trap, and the PC has already been written. */ - if (unlikely(env->singlestep_enabled)) { + if (unlikely(cs->singlestep_enabled)) { /* Make sure the pc is updated, and raise a debug exception. */ if (dc->condjmp) { if (dc->is_jmp == DISAS_SYSCALL) { @@ -2102,7 +2039,7 @@ static inline void gen_intermediate_code_internal(CPUUniCore32State *env, } done_generating: - gen_icount_end(tb, num_insns); + gen_tb_end(tb, num_insns); *tcg_ctx.gen_opc_ptr = INDEX_op_end; #ifdef DEBUG_DISAS @@ -2127,12 +2064,12 @@ done_generating: void gen_intermediate_code(CPUUniCore32State *env, TranslationBlock *tb) { - gen_intermediate_code_internal(env, tb, 0); + gen_intermediate_code_internal(uc32_env_get_cpu(env), tb, false); } void gen_intermediate_code_pc(CPUUniCore32State *env, TranslationBlock *tb) { - gen_intermediate_code_internal(env, tb, 1); + gen_intermediate_code_internal(uc32_env_get_cpu(env), tb, true); } static const char *cpu_mode_names[16] = { @@ -2175,9 +2112,11 @@ static void cpu_dump_state_ucf64(CPUUniCore32State *env, FILE *f, #define cpu_dump_state_ucf64(env, file, pr, flags) do { } while (0) #endif -void cpu_dump_state(CPUUniCore32State *env, FILE *f, - fprintf_function cpu_fprintf, int flags) +void uc32_cpu_dump_state(CPUState *cs, FILE *f, + fprintf_function cpu_fprintf, int flags) { + UniCore32CPU *cpu = UNICORE32_CPU(cs); + CPUUniCore32State *env = &cpu->env; int i; uint32_t psr;