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From: Richard Henderson <richard.henderson@linaro.org>
To: qemu-devel@nongnu.org
Cc: Joelle van Dyne <j@getutm.app>
Subject: [PATCH v5 01/43] tcg: Do not flush icache for interpreter
Date: Tue,  5 Jan 2021 07:19:08 -1000	[thread overview]
Message-ID: <20210105171950.415486-2-richard.henderson@linaro.org> (raw)
In-Reply-To: <20210105171950.415486-1-richard.henderson@linaro.org>

This is currently a no-op within tci/tcg-target.h, but
is about to be moved to a more generic location.

Reviewed-by: Joelle van Dyne <j@getutm.app>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
---
 tcg/tcg.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/tcg/tcg.c b/tcg/tcg.c
index 829d4296e0..df2857dc88 100644
--- a/tcg/tcg.c
+++ b/tcg/tcg.c
@@ -1077,7 +1077,9 @@ void tcg_prologue_init(TCGContext *s)
 #endif
 
     buf1 = s->code_ptr;
+#ifndef CONFIG_TCG_INTERPRETER
     flush_icache_range((uintptr_t)buf0, (uintptr_t)buf1);
+#endif
 
     /* Deduct the prologue from the buffer.  */
     prologue_size = tcg_current_code_size(s);
@@ -4323,8 +4325,10 @@ int tcg_gen_code(TCGContext *s, TranslationBlock *tb)
         return -2;
     }
 
+#ifndef CONFIG_TCG_INTERPRETER
     /* flush instruction cache */
     flush_icache_range((uintptr_t)s->code_buf, (uintptr_t)s->code_ptr);
+#endif
 
     return tcg_current_code_size(s);
 }
-- 
2.25.1



  reply	other threads:[~2021-01-05 17:39 UTC|newest]

Thread overview: 50+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-01-05 17:19 [PATCH v5 00/43] Mirror map JIT memory for TCG Richard Henderson
2021-01-05 17:19 ` Richard Henderson [this message]
2021-01-05 17:19 ` [PATCH v5 02/43] util: Extract flush_icache_range to cacheflush.c Richard Henderson
2021-01-05 17:19 ` [PATCH v5 03/43] util: Enhance flush_icache_range with separate data pointer Richard Henderson
2021-01-05 17:19 ` [PATCH v5 04/43] util: Specialize flush_idcache_range for aarch64 Richard Henderson
2021-01-05 17:19 ` [PATCH v5 05/43] tcg: Move tcg prologue pointer out of TCGContext Richard Henderson
2021-01-05 17:19 ` [PATCH v5 06/43] tcg: Move tcg epilogue " Richard Henderson
2021-01-05 17:19 ` [PATCH v5 07/43] tcg: Add in_code_gen_buffer Richard Henderson
2021-01-05 17:19 ` [PATCH v5 08/43] tcg: Introduce tcg_splitwx_to_{rx,rw} Richard Henderson
2021-01-05 17:19 ` [PATCH v5 09/43] tcg: Adjust TCGLabel for const Richard Henderson
2021-01-05 17:19 ` [PATCH v5 10/43] tcg: Adjust tcg_out_call " Richard Henderson
2021-01-05 17:19 ` [PATCH v5 11/43] tcg: Adjust tcg_out_label " Richard Henderson
2021-01-05 17:19 ` [PATCH v5 12/43] tcg: Adjust tcg_register_jit " Richard Henderson
2021-01-05 17:19 ` [PATCH v5 13/43] tcg: Adjust tb_target_set_jmp_target for split-wx Richard Henderson
2021-01-05 17:19 ` [PATCH v5 14/43] tcg: Make DisasContextBase.tb const Richard Henderson
2021-01-05 17:19 ` [PATCH v5 15/43] tcg: Make tb arg to synchronize_from_tb const Richard Henderson
2021-01-05 17:19 ` [PATCH v5 16/43] tcg: Use Error with alloc_code_gen_buffer Richard Henderson
2021-01-05 18:55   ` Philippe Mathieu-Daudé
2021-01-05 17:19 ` [PATCH v5 17/43] tcg: Add --accel tcg,split-wx property Richard Henderson
2021-01-05 20:30   ` Joelle van Dyne
2021-01-05 17:19 ` [PATCH v5 18/43] accel/tcg: Support split-wx for linux with memfd Richard Henderson
2021-01-05 17:19 ` [PATCH v5 19/43] accel/tcg: Support split-wx for darwin/iOS with vm_remap Richard Henderson
2021-01-05 17:19 ` [PATCH v5 20/43] tcg: Return the TB pointer from the rx region from exit_tb Richard Henderson
2021-01-05 17:19 ` [PATCH v5 21/43] tcg/i386: Support split-wx code generation Richard Henderson
2021-01-05 17:19 ` [PATCH v5 22/43] tcg/aarch64: Use B not BL for tcg_out_goto_long Richard Henderson
2021-01-05 17:19 ` [PATCH v5 23/43] tcg/aarch64: Support split-wx code generation Richard Henderson
2021-01-05 17:19 ` [PATCH v5 24/43] disas: Push const down through host disassembly Richard Henderson
2021-01-05 17:19 ` [PATCH v5 25/43] tcg/tci: Push const down through bytecode reading Richard Henderson
2021-01-05 18:51   ` Philippe Mathieu-Daudé
2021-01-05 17:19 ` [PATCH v5 26/43] tcg: Introduce tcg_tbrel_diff Richard Henderson
2021-01-05 17:19 ` [PATCH v5 27/43] tcg/ppc: Use tcg_tbrel_diff Richard Henderson
2021-01-05 17:19 ` [PATCH v5 28/43] tcg/ppc: Use tcg_out_mem_long to reset TCG_REG_TB Richard Henderson
2021-01-05 17:19 ` [PATCH v5 29/43] tcg/ppc: Support split-wx code generation Richard Henderson
2021-01-05 17:19 ` [PATCH v5 30/43] tcg/sparc: Use tcg_tbrel_diff Richard Henderson
2021-01-05 17:19 ` [PATCH v5 31/43] tcg/sparc: Support split-wx code generation Richard Henderson
2021-01-05 17:19 ` [PATCH v5 32/43] tcg/s390: Use tcg_tbrel_diff Richard Henderson
2021-01-05 17:19 ` [PATCH v5 33/43] tcg/s390: Support split-wx code generation Richard Henderson
2021-01-05 17:19 ` [PATCH v5 34/43] tcg/riscv: Fix branch range checks Richard Henderson
2021-01-05 17:19 ` [PATCH v5 35/43] tcg/riscv: Remove branch-over-branch fallback Richard Henderson
2021-01-05 17:19 ` [PATCH v5 36/43] tcg/riscv: Support split-wx code generation Richard Henderson
2021-01-05 17:19 ` [PATCH v5 37/43] accel/tcg: Add mips support to alloc_code_gen_buffer_splitwx_memfd Richard Henderson
2021-01-05 17:19 ` [PATCH v5 38/43] tcg/mips: Do not assert on relocation overflow Richard Henderson
2021-01-05 17:19 ` [PATCH v5 39/43] tcg/mips: Support split-wx code generation Richard Henderson
2021-01-05 17:19 ` [PATCH v5 40/43] tcg/arm: " Richard Henderson
2021-01-05 17:19 ` [PATCH v5 41/43] tcg: Remove TCG_TARGET_SUPPORT_MIRROR Richard Henderson
2021-01-05 17:19 ` [PATCH v5 42/43] tcg: Constify tcg_code_gen_epilogue Richard Henderson
2021-01-05 18:47   ` Philippe Mathieu-Daudé
2021-01-05 17:19 ` [PATCH v5 43/43] tcg: Constify TCGLabelQemuLdst.raddr Richard Henderson
2021-01-05 18:47   ` Philippe Mathieu-Daudé
2021-01-05 18:12 ` [PATCH v5 00/43] Mirror map JIT memory for TCG no-reply

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