From patchwork Fri May 5 14:14:02 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Anton Johansson X-Patchwork-Id: 13232700 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 10F28C77B7C for ; Fri, 5 May 2023 14:17:06 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1puwCm-000509-A8; Fri, 05 May 2023 10:14:40 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1puwCj-0004yt-LS for qemu-devel@nongnu.org; Fri, 05 May 2023 10:14:37 -0400 Received: from rev.ng ([5.9.113.41]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1puwCa-00010U-QK for qemu-devel@nongnu.org; Fri, 05 May 2023 10:14:37 -0400 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=rev.ng; s=dkim; h=Content-Transfer-Encoding:MIME-Version:References:In-Reply-To: Message-Id:Date:Subject:Cc:To:From:Sender:Reply-To:Content-Type:Content-ID: Content-Description:Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc :Resent-Message-ID:List-Id:List-Help:List-Unsubscribe:List-Subscribe: List-Post:List-Owner:List-Archive; bh=KmmB2+qkXOef6UkE18/YVECwrR7Ove13nzv5ZIouuRY=; b=d2JZ0zpl7QA/WvaYNXZWUdZzN2 mXMJGL4Yl+gU5I0q89QDVj8+Vi74UEiKFk6HsLXmvsxS4j0FbLrBAP0y0+fwZdwa3K7dQ9vxQu1Tv CbzHYuUs5HMz/JfTMD6p3XCFvBfymIzQw2K8vjU+xg/MhGBZnplA1wwa5toDDjvzTmG0=; To: qemu-devel@nongnu.org Cc: ale@rev.ng, richard.henderson@linaro.org, pbonzini@redhat.com, eduardo@habkost.net, philmd@linaro.org, marcel.apfelbaum@gmail.com, wangyanan55@huawei.com Subject: [PATCH v2 11/12] accel/tcg: Replace target_ulong with vaddr in page_*() Date: Fri, 5 May 2023 16:14:02 +0200 Message-Id: <20230505141403.25735-12-anjo@rev.ng> In-Reply-To: <20230505141403.25735-1-anjo@rev.ng> References: <20230505141403.25735-1-anjo@rev.ng> MIME-Version: 1.0 Received-SPF: pass client-ip=5.9.113.41; envelope-from=anjo@rev.ng; helo=rev.ng X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, SPF_HELO_PASS=-0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Reply-to: Anton Johansson X-Patchwork-Original-From: Anton Johansson via From: Anton Johansson Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Use vaddr for guest virtual addresses for functions dealing with page flags. Signed-off-by: Anton Johansson Reviewed-by: Richard Henderson --- accel/tcg/user-exec.c | 44 +++++++++++++++++------------------- include/exec/cpu-all.h | 10 ++++---- include/exec/translate-all.h | 2 +- 3 files changed, 27 insertions(+), 29 deletions(-) diff --git a/accel/tcg/user-exec.c b/accel/tcg/user-exec.c index 929f1a4f43..ae2ff4d223 100644 --- a/accel/tcg/user-exec.c +++ b/accel/tcg/user-exec.c @@ -144,7 +144,7 @@ typedef struct PageFlagsNode { static IntervalTreeRoot pageflags_root; -static PageFlagsNode *pageflags_find(target_ulong start, target_long last) +static PageFlagsNode *pageflags_find(vaddr start, vaddr last) { IntervalTreeNode *n; @@ -152,8 +152,7 @@ static PageFlagsNode *pageflags_find(target_ulong start, target_long last) return n ? container_of(n, PageFlagsNode, itree) : NULL; } -static PageFlagsNode *pageflags_next(PageFlagsNode *p, target_ulong start, - target_long last) +static PageFlagsNode *pageflags_next(PageFlagsNode *p, vaddr start, vaddr last) { IntervalTreeNode *n; @@ -205,7 +204,7 @@ void page_dump(FILE *f) walk_memory_regions(f, dump_region); } -int page_get_flags(target_ulong address) +int page_get_flags(vaddr address) { PageFlagsNode *p = pageflags_find(address, address); @@ -228,7 +227,7 @@ int page_get_flags(target_ulong address) } /* A subroutine of page_set_flags: insert a new node for [start,last]. */ -static void pageflags_create(target_ulong start, target_ulong last, int flags) +static void pageflags_create(vaddr start, vaddr last, int flags) { PageFlagsNode *p = g_new(PageFlagsNode, 1); @@ -239,13 +238,13 @@ static void pageflags_create(target_ulong start, target_ulong last, int flags) } /* A subroutine of page_set_flags: remove everything in [start,last]. */ -static bool pageflags_unset(target_ulong start, target_ulong last) +static bool pageflags_unset(vaddr start, vaddr last) { bool inval_tb = false; while (true) { PageFlagsNode *p = pageflags_find(start, last); - target_ulong p_last; + vaddr p_last; if (!p) { break; @@ -284,8 +283,7 @@ static bool pageflags_unset(target_ulong start, target_ulong last) * A subroutine of page_set_flags: nothing overlaps [start,last], * but check adjacent mappings and maybe merge into a single range. */ -static void pageflags_create_merge(target_ulong start, target_ulong last, - int flags) +static void pageflags_create_merge(vaddr start, vaddr last, int flags) { PageFlagsNode *next = NULL, *prev = NULL; @@ -336,11 +334,11 @@ static void pageflags_create_merge(target_ulong start, target_ulong last, #define PAGE_STICKY (PAGE_ANON | PAGE_PASSTHROUGH | PAGE_TARGET_STICKY) /* A subroutine of page_set_flags: add flags to [start,last]. */ -static bool pageflags_set_clear(target_ulong start, target_ulong last, +static bool pageflags_set_clear(vaddr start, vaddr last, int set_flags, int clear_flags) { PageFlagsNode *p; - target_ulong p_start, p_last; + vaddr p_start, p_last; int p_flags, merge_flags; bool inval_tb = false; @@ -480,7 +478,7 @@ static bool pageflags_set_clear(target_ulong start, target_ulong last, * The flag PAGE_WRITE_ORG is positioned automatically depending * on PAGE_WRITE. The mmap_lock should already be held. */ -void page_set_flags(target_ulong start, target_ulong last, int flags) +void page_set_flags(vaddr start, vaddr last, int flags) { bool reset = false; bool inval_tb = false; @@ -520,9 +518,9 @@ void page_set_flags(target_ulong start, target_ulong last, int flags) } } -int page_check_range(target_ulong start, target_ulong len, int flags) +int page_check_range(vaddr start, vaddr len, int flags) { - target_ulong last; + vaddr last; int locked; /* tri-state: =0: unlocked, +1: global, -1: local */ int ret; @@ -601,7 +599,7 @@ int page_check_range(target_ulong start, target_ulong len, int flags) void page_protect(tb_page_addr_t address) { PageFlagsNode *p; - target_ulong start, last; + vaddr start, last; int prot; assert_memory_lock(); @@ -642,7 +640,7 @@ void page_protect(tb_page_addr_t address) * immediately exited. (We can only return 2 if the 'pc' argument is * non-zero.) */ -int page_unprotect(target_ulong address, uintptr_t pc) +int page_unprotect(vaddr address, uintptr_t pc) { PageFlagsNode *p; bool current_tb_invalidated; @@ -676,7 +674,7 @@ int page_unprotect(target_ulong address, uintptr_t pc) } #endif } else { - target_ulong start, len, i; + vaddr start, len, i; int prot; if (qemu_host_page_size <= TARGET_PAGE_SIZE) { @@ -691,7 +689,7 @@ int page_unprotect(target_ulong address, uintptr_t pc) prot = 0; for (i = 0; i < len; i += TARGET_PAGE_SIZE) { - target_ulong addr = start + i; + vaddr addr = start + i; p = pageflags_find(addr, addr); if (p) { @@ -814,7 +812,7 @@ typedef struct TargetPageDataNode { static IntervalTreeRoot targetdata_root; -void page_reset_target_data(target_ulong start, target_ulong last) +void page_reset_target_data(vaddr start, vaddr last) { IntervalTreeNode *n, *next; @@ -828,7 +826,7 @@ void page_reset_target_data(target_ulong start, target_ulong last) n != NULL; n = next, next = next ? interval_tree_iter_next(n, start, last) : NULL) { - target_ulong n_start, n_last, p_ofs, p_len; + vaddr n_start, n_last, p_ofs, p_len; TargetPageDataNode *t = container_of(n, TargetPageDataNode, itree); if (n->start >= start && n->last <= last) { @@ -851,11 +849,11 @@ void page_reset_target_data(target_ulong start, target_ulong last) } } -void *page_get_target_data(target_ulong address) +void *page_get_target_data(vaddr address) { IntervalTreeNode *n; TargetPageDataNode *t; - target_ulong page, region; + vaddr page, region; page = address & TARGET_PAGE_MASK; region = address & TBD_MASK; @@ -884,7 +882,7 @@ void *page_get_target_data(target_ulong address) return t->data[(page - region) >> TARGET_PAGE_BITS]; } #else -void page_reset_target_data(target_ulong start, target_ulong last) { } +void page_reset_target_data(vaddr start, vaddr last) { } #endif /* TARGET_PAGE_DATA_SIZE */ /* The softmmu versions of these helpers are in cputlb.c. */ diff --git a/include/exec/cpu-all.h b/include/exec/cpu-all.h index 09bf4c0cc6..97be7c2c3c 100644 --- a/include/exec/cpu-all.h +++ b/include/exec/cpu-all.h @@ -219,10 +219,10 @@ typedef int (*walk_memory_regions_fn)(void *, target_ulong, target_ulong, unsigned long); int walk_memory_regions(void *, walk_memory_regions_fn); -int page_get_flags(target_ulong address); -void page_set_flags(target_ulong start, target_ulong last, int flags); -void page_reset_target_data(target_ulong start, target_ulong last); -int page_check_range(target_ulong start, target_ulong len, int flags); +int page_get_flags(vaddr address); +void page_set_flags(vaddr start, vaddr last, int flags); +void page_reset_target_data(vaddr start, vaddr last); +int page_check_range(vaddr start, vaddr len, int flags); /** * page_get_target_data(address) @@ -235,7 +235,7 @@ int page_check_range(target_ulong start, target_ulong len, int flags); * The memory will be freed when the guest page is deallocated, * e.g. with the munmap system call. */ -void *page_get_target_data(target_ulong address) +void *page_get_target_data(vaddr address) __attribute__((returns_nonnull)); #endif diff --git a/include/exec/translate-all.h b/include/exec/translate-all.h index 88602ae8d8..0b9d2e3b32 100644 --- a/include/exec/translate-all.h +++ b/include/exec/translate-all.h @@ -28,7 +28,7 @@ void tb_check_watchpoint(CPUState *cpu, uintptr_t retaddr); #ifdef CONFIG_USER_ONLY void page_protect(tb_page_addr_t page_addr); -int page_unprotect(target_ulong address, uintptr_t pc); +int page_unprotect(vaddr address, uintptr_t pc); #endif #endif /* TRANSLATE_ALL_H */