target/riscv: Alloc tcg global for cur_pm[mask|base]
Replace the array of pm_mask/pm_base with scalar variables. Remove the cached array value in DisasContext. Signed-off-by: LIU Zhiwei <zhiwei_liu@c-sky.com> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Reviewed-by: Alistair Francis <alistair.francis@wdc.com> Message-id: 20220120122050.41546-13-zhiwei_liu@c-sky.com Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
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@ -38,8 +38,8 @@ static TCGv_i64 cpu_fpr[32]; /* assume F and D extensions */
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static TCGv load_res;
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static TCGv load_val;
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/* globals for PM CSRs */
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static TCGv pm_mask[4];
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static TCGv pm_base[4];
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static TCGv pm_mask;
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static TCGv pm_base;
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#include "exec/gen-icount.h"
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@ -109,8 +109,6 @@ typedef struct DisasContext {
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TCGv temp[4];
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/* PointerMasking extension */
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bool pm_enabled;
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TCGv pm_mask;
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TCGv pm_base;
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} DisasContext;
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static inline bool has_ext(DisasContext *ctx, uint32_t ext)
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@ -403,8 +401,8 @@ static TCGv gen_pm_adjust_address(DisasContext *s, TCGv src)
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return src;
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} else {
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temp = temp_new(s);
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tcg_gen_andc_tl(temp, src, s->pm_mask);
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tcg_gen_or_tl(temp, temp, s->pm_base);
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tcg_gen_andc_tl(temp, src, pm_mask);
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tcg_gen_or_tl(temp, temp, pm_base);
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return temp;
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}
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}
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@ -929,10 +927,6 @@ static void riscv_tr_init_disas_context(DisasContextBase *dcbase, CPUState *cs)
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ctx->ntemp = 0;
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memset(ctx->temp, 0, sizeof(ctx->temp));
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ctx->pm_enabled = FIELD_EX32(tb_flags, TB_FLAGS, PM_ENABLED);
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int priv = tb_flags & TB_FLAGS_PRIV_MMU_MASK;
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ctx->pm_mask = pm_mask[priv];
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ctx->pm_base = pm_base[priv];
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ctx->zero = tcg_constant_tl(0);
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}
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@ -1050,19 +1044,9 @@ void riscv_translate_init(void)
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"load_res");
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load_val = tcg_global_mem_new(cpu_env, offsetof(CPURISCVState, load_val),
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"load_val");
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#ifndef CONFIG_USER_ONLY
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/* Assign PM CSRs to tcg globals */
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pm_mask[PRV_U] =
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tcg_global_mem_new(cpu_env, offsetof(CPURISCVState, upmmask), "upmmask");
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pm_base[PRV_U] =
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tcg_global_mem_new(cpu_env, offsetof(CPURISCVState, upmbase), "upmbase");
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pm_mask[PRV_S] =
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tcg_global_mem_new(cpu_env, offsetof(CPURISCVState, spmmask), "spmmask");
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pm_base[PRV_S] =
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tcg_global_mem_new(cpu_env, offsetof(CPURISCVState, spmbase), "spmbase");
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pm_mask[PRV_M] =
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tcg_global_mem_new(cpu_env, offsetof(CPURISCVState, mpmmask), "mpmmask");
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pm_base[PRV_M] =
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tcg_global_mem_new(cpu_env, offsetof(CPURISCVState, mpmbase), "mpmbase");
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#endif
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pm_mask = tcg_global_mem_new(cpu_env, offsetof(CPURISCVState, cur_pmmask),
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"pmmask");
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pm_base = tcg_global_mem_new(cpu_env, offsetof(CPURISCVState, cur_pmbase),
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"pmbase");
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}
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