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bh=95lQhwQsYaDYNogO8cgjiJ0NBYPqWgKFLGrU7Vr2/iA=; b=H0wbQ+Nun/GY/r4ZzT+QCDrehBZualiBrVlhefNYk0lFUeUNg2NzXWi3WpfKas9VPWWcVt Va8hLyYguXYipfUdv8ai8U5pVAICglsbP2c5Barxkqq2VuUaIi7KU3UlZ7gcApbvNX4+6p LeqBYrUMF1Z+RXzEyIB1KjVN8YTbIzs= X-MC-Unique: VVrqOjb-OTKTZ0XGQZeWQQ-1 From: Juan Quintela To: qemu-devel@nongnu.org Cc: David Hildenbrand , qemu-block@nongnu.org, Juan Quintela , Paolo Bonzini , =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= , Leonardo Bras , Peter Xu , Stefan Hajnoczi , Fam Zheng , Richard Henderson Subject: [PULL 02/11] softmmu: Create qemu_target_pages_to_MiB() Date: Mon, 15 May 2023 14:33:25 +0200 Message-Id: <20230515123334.58995-3-quintela@redhat.com> In-Reply-To: <20230515123334.58995-1-quintela@redhat.com> References: <20230515123334.58995-1-quintela@redhat.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Scanned-By: MIMEDefang 3.1 on 10.11.54.5 Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=170.10.129.124; envelope-from=quintela@redhat.com; helo=us-smtp-delivery-124.mimecast.com 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, DKIMWL_WL_HIGH=-0.001, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=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: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @redhat.com) X-ZM-MESSAGEID: 1684154161710100003 Content-Type: text/plain; charset="utf-8" Function that convert a number of target_pages into its size in MiB. Suggested-by: Richard Henderson Richard Henderson Signed-off-by: Juan Quintela Message-Id: <20230511141208.17779-2-quintela@redhat.com> --- include/exec/target_page.h | 1 + softmmu/physmem.c | 11 +++++++++++ 2 files changed, 12 insertions(+) diff --git a/include/exec/target_page.h b/include/exec/target_page.h index 96726c36a4..bbf37aea17 100644 --- a/include/exec/target_page.h +++ b/include/exec/target_page.h @@ -18,4 +18,5 @@ size_t qemu_target_page_size(void); int qemu_target_page_bits(void); int qemu_target_page_bits_min(void); =20 +size_t qemu_target_pages_to_MiB(size_t pages); #endif diff --git a/softmmu/physmem.c b/softmmu/physmem.c index 0e0182d9f2..efaed36773 100644 --- a/softmmu/physmem.c +++ b/softmmu/physmem.c @@ -3357,6 +3357,17 @@ int qemu_target_page_bits_min(void) return TARGET_PAGE_BITS_MIN; } =20 +/* Convert target pages to MiB (2**20). */ +size_t qemu_target_pages_to_MiB(size_t pages) +{ + int page_bits =3D TARGET_PAGE_BITS; + + /* So far, the largest (non-huge) page size is 64k, i.e. 16 bits. */ + g_assert(page_bits < 20); + + return pages >> (20 - page_bits); +} + bool cpu_physical_memory_is_io(hwaddr phys_addr) { MemoryRegion*mr; --=20 2.40.1