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[PATCH v3 09/20] target/riscv: Alloc tcg global for cur_pm[mask|base]
From: |
LIU Zhiwei |
Subject: |
[PATCH v3 09/20] target/riscv: Alloc tcg global for cur_pm[mask|base] |
Date: |
Thu, 11 Nov 2021 13:57:49 +0800 |
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>
---
target/riscv/translate.c | 32 ++++++++------------------------
1 file changed, 8 insertions(+), 24 deletions(-)
diff --git a/target/riscv/translate.c b/target/riscv/translate.c
index a6a73ced9e..6cb74c6355 100644
--- a/target/riscv/translate.c
+++ b/target/riscv/translate.c
@@ -37,8 +37,8 @@ static TCGv_i64 cpu_fpr[32]; /* assume F and D extensions */
static TCGv load_res;
static TCGv load_val;
/* globals for PM CSRs */
-static TCGv pm_mask[4];
-static TCGv pm_base[4];
+static TCGv pm_mask;
+static TCGv pm_base;
#include "exec/gen-icount.h"
@@ -88,8 +88,6 @@ typedef struct DisasContext {
TCGv temp[4];
/* PointerMasking extension */
bool pm_enabled;
- TCGv pm_mask;
- TCGv pm_base;
} DisasContext;
static inline bool has_ext(DisasContext *ctx, uint32_t ext)
@@ -297,8 +295,8 @@ static TCGv gen_pm_adjust_address(DisasContext *s, TCGv src)
return src;
} else {
temp = temp_new(s);
- tcg_gen_andc_tl(temp, src, s->pm_mask);
- tcg_gen_or_tl(temp, temp, s->pm_base);
+ tcg_gen_andc_tl(temp, src, pm_mask);
+ tcg_gen_or_tl(temp, temp, pm_base);
return temp;
}
}
@@ -647,10 +645,6 @@ static void riscv_tr_init_disas_context(DisasContextBase
*dcbase, CPUState *cs)
ctx->ntemp = 0;
memset(ctx->temp, 0, sizeof(ctx->temp));
ctx->pm_enabled = FIELD_EX32(tb_flags, TB_FLAGS, PM_ENABLED);
- int priv = tb_flags & TB_FLAGS_PRIV_MMU_MASK;
- ctx->pm_mask = pm_mask[priv];
- ctx->pm_base = pm_base[priv];
-
ctx->zero = tcg_constant_tl(0);
}
@@ -763,19 +757,9 @@ void riscv_translate_init(void)
"load_res");
load_val = tcg_global_mem_new(cpu_env, offsetof(CPURISCVState, load_val),
"load_val");
-#ifndef CONFIG_USER_ONLY
/* Assign PM CSRs to tcg globals */
- pm_mask[PRV_U] =
- tcg_global_mem_new(cpu_env, offsetof(CPURISCVState, upmmask), "upmmask");
- pm_base[PRV_U] =
- tcg_global_mem_new(cpu_env, offsetof(CPURISCVState, upmbase), "upmbase");
- pm_mask[PRV_S] =
- tcg_global_mem_new(cpu_env, offsetof(CPURISCVState, spmmask), "spmmask");
- pm_base[PRV_S] =
- tcg_global_mem_new(cpu_env, offsetof(CPURISCVState, spmbase), "spmbase");
- pm_mask[PRV_M] =
- tcg_global_mem_new(cpu_env, offsetof(CPURISCVState, mpmmask), "mpmmask");
- pm_base[PRV_M] =
- tcg_global_mem_new(cpu_env, offsetof(CPURISCVState, mpmbase), "mpmbase");
-#endif
+ pm_mask = tcg_global_mem_new(cpu_env, offsetof(CPURISCVState, cur_pmmask),
+ "pmmask");
+ pm_base = tcg_global_mem_new(cpu_env, offsetof(CPURISCVState, cur_pmbase),
+ "pmbase");
}
--
2.25.1
- [PATCH v3 01/20] target/riscv: Don't save pc when exception return, (continued)
- [PATCH v3 01/20] target/riscv: Don't save pc when exception return, LIU Zhiwei, 2021/11/11
- [PATCH v3 02/20] target/riscv: Sign extend pc for different XLEN, LIU Zhiwei, 2021/11/11
- [PATCH v3 03/20] target/riscv: Ignore the pc bits above XLEN, LIU Zhiwei, 2021/11/11
- [PATCH v3 04/20] target/riscv: Extend pc for runtime pc write, LIU Zhiwei, 2021/11/11
- [PATCH v3 05/20] target/riscv: Use gdb xml according to max mxlen, LIU Zhiwei, 2021/11/11
- [PATCH v3 06/20] target/riscv: Relax debug check for pm write, LIU Zhiwei, 2021/11/11
- [PATCH v3 07/20] target/riscv: Adjust csr write mask with XLEN, LIU Zhiwei, 2021/11/11
- [PATCH v3 08/20] target/riscv: Create current pm fields in env, LIU Zhiwei, 2021/11/11
- [PATCH v3 09/20] target/riscv: Alloc tcg global for cur_pm[mask|base],
LIU Zhiwei <=
- [PATCH v3 10/20] target/riscv: Calculate address according to XLEN, LIU Zhiwei, 2021/11/11
- [PATCH v3 11/20] target/riscv: Split pm_enabled into mask and base, LIU Zhiwei, 2021/11/11
- [PATCH v3 12/20] target/riscv: Split out the vill from vtype, LIU Zhiwei, 2021/11/11
- [PATCH v3 13/20] target/riscv: Fix RESERVED field length in VTYPE, LIU Zhiwei, 2021/11/11