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[2001:470:27:1fa::2]) by smtp.gmail.com with ESMTPSA id r7sm7655611ljc.74.2019.11.27.14.06.27 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 27 Nov 2019 14:06:29 -0800 (PST) From: Max Filippov To: qemu-devel@nongnu.org Subject: [PATCH 2/2] exec: drop tb_invalidate_phys_addr Date: Wed, 27 Nov 2019 14:06:02 -0800 Message-Id: <20191127220602.10827-3-jcmvbkbc@gmail.com> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20191127220602.10827-1-jcmvbkbc@gmail.com> References: <20191127220602.10827-1-jcmvbkbc@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-Received-From: 2a00:1450:4864:20::241 X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Max Filippov , Paolo Bonzini , =?UTF-8?q?Alex=20Benn=C3=A9e?= , Richard Henderson Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" The only remaining user of tb_invalidate_phys_addr is target/xtensa instruction breakpoint code and it is better to use tb_flush there. Drop tb_invalidate_phys_addr implementations and declarations. Use tb_flush in xtensa IBREAK helpers. Signed-off-by: Max Filippov --- exec.c | 29 ++--------------------------- include/exec/exec-all.h | 3 --- target/xtensa/dbg_helper.c | 19 +++---------------- 3 files changed, 5 insertions(+), 46 deletions(-) diff --git a/exec.c b/exec.c index 1709b760edc1..4d20fc005520 100644 --- a/exec.c +++ b/exec.c @@ -983,38 +983,13 @@ const char *parse_cpu_option(const char *cpu_option) } #if defined(CONFIG_USER_ONLY) -void tb_invalidate_phys_addr(target_ulong addr) +static void breakpoint_invalidate(CPUState *cpu, target_ulong pc) { mmap_lock(); - tb_invalidate_phys_page_range(addr, addr + 1); + tb_invalidate_phys_page_range(pc, pc + 1); mmap_unlock(); } - -static void breakpoint_invalidate(CPUState *cpu, target_ulong pc) -{ - tb_invalidate_phys_addr(pc); -} #else -void tb_invalidate_phys_addr(AddressSpace *as, hwaddr addr, MemTxAttrs attrs) -{ - ram_addr_t ram_addr; - MemoryRegion *mr; - hwaddr l = 1; - - if (!tcg_enabled()) { - return; - } - - RCU_READ_LOCK_GUARD(); - mr = address_space_translate(as, addr, &addr, &l, false, attrs); - if (!(memory_region_is_ram(mr) - || memory_region_is_romd(mr))) { - return; - } - ram_addr = memory_region_get_ram_addr(mr) + addr; - tb_invalidate_phys_page_range(ram_addr, ram_addr + 1); -} - static void breakpoint_invalidate(CPUState *cpu, target_ulong pc) { /* diff --git a/include/exec/exec-all.h b/include/exec/exec-all.h index d85e610e85b9..585fe7ff430c 100644 --- a/include/exec/exec-all.h +++ b/include/exec/exec-all.h @@ -449,10 +449,7 @@ static inline uint32_t curr_cflags(void) /* TranslationBlock invalidate API */ #if defined(CONFIG_USER_ONLY) -void tb_invalidate_phys_addr(target_ulong addr); void tb_invalidate_phys_range(target_ulong start, target_ulong end); -#else -void tb_invalidate_phys_addr(AddressSpace *as, hwaddr addr, MemTxAttrs attrs); #endif void tb_flush(CPUState *cpu); void tb_phys_invalidate(TranslationBlock *tb, tb_page_addr_t page_addr); diff --git a/target/xtensa/dbg_helper.c b/target/xtensa/dbg_helper.c index be1f81107b43..2481dc326fba 100644 --- a/target/xtensa/dbg_helper.c +++ b/target/xtensa/dbg_helper.c @@ -33,19 +33,6 @@ #include "exec/exec-all.h" #include "exec/address-spaces.h" -static void tb_invalidate_virtual_addr(CPUXtensaState *env, uint32_t vaddr) -{ - uint32_t paddr; - uint32_t page_size; - unsigned access; - int ret = xtensa_get_physical_addr(env, false, vaddr, 2, 0, - &paddr, &page_size, &access); - if (ret == 0) { - tb_invalidate_phys_addr(&address_space_memory, paddr, - MEMTXATTRS_UNSPECIFIED); - } -} - void HELPER(wsr_ibreakenable)(CPUXtensaState *env, uint32_t v) { uint32_t change = v ^ env->sregs[IBREAKENABLE]; @@ -53,7 +40,8 @@ void HELPER(wsr_ibreakenable)(CPUXtensaState *env, uint32_t v) for (i = 0; i < env->config->nibreak; ++i) { if (change & (1 << i)) { - tb_invalidate_virtual_addr(env, env->sregs[IBREAKA + i]); + tb_flush(env_cpu(env)); + break; } } env->sregs[IBREAKENABLE] = v & ((1 << env->config->nibreak) - 1); @@ -62,8 +50,7 @@ void HELPER(wsr_ibreakenable)(CPUXtensaState *env, uint32_t v) void HELPER(wsr_ibreaka)(CPUXtensaState *env, uint32_t i, uint32_t v) { if (env->sregs[IBREAKENABLE] & (1 << i) && env->sregs[IBREAKA + i] != v) { - tb_invalidate_virtual_addr(env, env->sregs[IBREAKA + i]); - tb_invalidate_virtual_addr(env, v); + tb_flush(env_cpu(env)); } env->sregs[IBREAKA + i] = v; } -- 2.20.1