From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:36030) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1fcg62-00018F-Nd for qemu-devel@nongnu.org; Mon, 09 Jul 2018 20:01:35 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1fcg61-0001o9-Ab for qemu-devel@nongnu.org; Mon, 09 Jul 2018 20:01:34 -0400 Received: from mx3-rdu2.redhat.com ([66.187.233.73]:36408 helo=mx1.redhat.com) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1fcg61-0001o5-5Q for qemu-devel@nongnu.org; Mon, 09 Jul 2018 20:01:33 -0400 Received: from smtp.corp.redhat.com (int-mx05.intmail.prod.int.rdu2.redhat.com [10.11.54.5]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id AA3CB400138A for ; Tue, 10 Jul 2018 00:01:32 +0000 (UTC) Date: Tue, 10 Jul 2018 03:01:32 +0300 From: "Michael S. Tsirkin" Message-ID: <20180710000024.542612-4-mst@redhat.com> References: <20180710000024.542612-1-mst@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20180710000024.542612-1-mst@redhat.com> Subject: [Qemu-devel] [PATCH hack dontapply v2 3/7] acpi: aml_load/aml_unload List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel@nongnu.org Cc: ehabkost@redhat.com, imammedo@redhat.com, pbonzini@redhat.com Dynamic loading/unloading of tables. Signed-off-by: Michael S. Tsirkin --- include/hw/acpi/aml-build.h | 2 ++ hw/acpi/aml-build.c | 21 +++++++++++++++++++++ 2 files changed, 23 insertions(+) diff --git a/include/hw/acpi/aml-build.h b/include/hw/acpi/aml-build.h index 7cf2cf64bf..f764f71e25 100644 --- a/include/hw/acpi/aml-build.h +++ b/include/hw/acpi/aml-build.h @@ -381,6 +381,8 @@ Aml *aml_derefof(Aml *arg); Aml *aml_sizeof(Aml *arg); Aml *aml_concatenate(Aml *source1, Aml *source2, Aml *target); Aml *aml_object_type(Aml *object); +Aml *aml_load(const char *name, Aml *ddbhandle); +Aml *aml_unload(Aml *ddbhandle); void build_append_int_noprefix(GArray *table, uint64_t value, int size); void diff --git a/hw/acpi/aml-build.c b/hw/acpi/aml-build.c index 7165f19585..ce691c1618 100644 --- a/hw/acpi/aml-build.c +++ b/hw/acpi/aml-build.c @@ -1552,6 +1552,27 @@ Aml *aml_object_type(Aml *object) return var; } +/* ACPI 2.0: 17.2.4.3 Type 1 Opcodes Encoding: DefLoad */ +Aml *aml_load(const char *name, Aml *ddbhandle) +{ + Aml *var = aml_alloc(); + build_append_byte(var->buf, 0x5B); /* ExtOpPrefix */ + build_append_byte(var->buf, 0x20); /* LoadOp */ + aml_append(var, aml_name("%s", name)); + aml_append(var, ddbhandle); + return var; +} + +/* ACPI 2.0: 17.2.4.3 Type 1 Opcodes Encoding: DefUnload */ +Aml *aml_unload(Aml *ddbhandle) +{ + Aml *var = aml_alloc(); + build_append_byte(var->buf, 0x5B); /* ExtOpPrefix */ + build_append_byte(var->buf, 0x2A); /* UnloadOp */ + aml_append(var, ddbhandle); + return var; +} + void build_header(BIOSLinker *linker, GArray *table_data, AcpiTableHeader *h, const char *sig, int len, uint8_t rev, -- MST