From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:47155) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1YvGIn-0005uL-Mo for qemu-devel@nongnu.org; Wed, 20 May 2015 22:33:42 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1YvGIl-0006dr-1I for qemu-devel@nongnu.org; Wed, 20 May 2015 22:33:41 -0400 Received: from szxga03-in.huawei.com ([119.145.14.66]:63571) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1YvGIk-0006cO-6j for qemu-devel@nongnu.org; Wed, 20 May 2015 22:33:38 -0400 From: Shannon Zhao Date: Thu, 21 May 2015 10:28:32 +0800 Message-ID: <1432175331-12548-6-git-send-email-zhaoshenglong@huawei.com> In-Reply-To: <1432175331-12548-1-git-send-email-zhaoshenglong@huawei.com> References: <1432175331-12548-1-git-send-email-zhaoshenglong@huawei.com> MIME-Version: 1.0 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 8bit Subject: [Qemu-devel] [PATCH v8 05/24] hw/acpi/aml-build: Add aml_memory32_fixed() term List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel@nongnu.org, peter.maydell@linaro.org, pbonzini@redhat.com, christoffer.dall@linaro.org, a.spyridakis@virtualopensystems.com, claudio.fontana@huawei.com, imammedo@redhat.com, hanjun.guo@linaro.org, mst@redhat.com, lersek@redhat.com, alex.bennee@linaro.org Cc: hangaohuai@huawei.com, zhaoshenglong@huawei.com, peter.huangpeng@huawei.com, shannon.zhao@linaro.org From: Shannon Zhao Add aml_memory32_fixed() for describing device mmio region in resource template. These can be used to generating DSDT table for ACPI on ARM. Signed-off-by: Shannon Zhao Signed-off-by: Shannon Zhao Reviewed-by: Alex Bennée Reviewed-by: Igor Mammedov Reviewed-by: Michael S. Tsirkin --- hw/acpi/aml-build.c | 28 ++++++++++++++++++++++++++++ include/hw/acpi/aml-build.h | 2 ++ 2 files changed, 30 insertions(+) diff --git a/hw/acpi/aml-build.c b/hw/acpi/aml-build.c index 7a478ae..ad4d7ea 100644 --- a/hw/acpi/aml-build.c +++ b/hw/acpi/aml-build.c @@ -26,6 +26,7 @@ #include #include "hw/acpi/aml-build.h" #include "qemu/bswap.h" +#include "qemu/bitops.h" #include "hw/acpi/bios-linker-loader.h" static GArray *build_alloc_array(void) @@ -505,6 +506,33 @@ Aml *aml_call4(const char *method, Aml *arg1, Aml *arg2, Aml *arg3, Aml *arg4) return var; } +/* + * ACPI 1.0b: 6.4.3.4 32-Bit Fixed Location Memory Range Descriptor + * (Type 1, Large Item Name 0x6) + */ +Aml *aml_memory32_fixed(uint32_t addr, uint32_t size, + AmlReadAndWrite read_and_write) +{ + Aml *var = aml_alloc(); + build_append_byte(var->buf, 0x86); /* Memory32Fixed Resource Descriptor */ + build_append_byte(var->buf, 9); /* Length, bits[7:0] value = 9 */ + build_append_byte(var->buf, 0); /* Length, bits[15:8] value = 0 */ + build_append_byte(var->buf, read_and_write); /* Write status, 1 rw 0 ro */ + + /* Range base address */ + build_append_byte(var->buf, extract32(addr, 0, 8)); /* bits[7:0] */ + build_append_byte(var->buf, extract32(addr, 8, 8)); /* bits[15:8] */ + build_append_byte(var->buf, extract32(addr, 16, 8)); /* bits[23:16] */ + build_append_byte(var->buf, extract32(addr, 24, 8)); /* bits[31:24] */ + + /* Range length */ + build_append_byte(var->buf, extract32(size, 0, 8)); /* bits[7:0] */ + build_append_byte(var->buf, extract32(size, 8, 8)); /* bits[15:8] */ + build_append_byte(var->buf, extract32(size, 16, 8)); /* bits[23:16] */ + build_append_byte(var->buf, extract32(size, 24, 8)); /* bits[31:24] */ + return var; +} + /* ACPI 1.0b: 6.4.2.5 I/O Port Descriptor */ Aml *aml_io(AmlIODecode dec, uint16_t min_base, uint16_t max_base, uint8_t aln, uint8_t len) diff --git a/include/hw/acpi/aml-build.h b/include/hw/acpi/aml-build.h index c0e81d4..bd0d9e7 100644 --- a/include/hw/acpi/aml-build.h +++ b/include/hw/acpi/aml-build.h @@ -168,6 +168,8 @@ Aml *aml_call1(const char *method, Aml *arg1); Aml *aml_call2(const char *method, Aml *arg1, Aml *arg2); Aml *aml_call3(const char *method, Aml *arg1, Aml *arg2, Aml *arg3); Aml *aml_call4(const char *method, Aml *arg1, Aml *arg2, Aml *arg3, Aml *arg4); +Aml *aml_memory32_fixed(uint32_t addr, uint32_t size, + AmlReadAndWrite read_and_write); Aml *aml_io(AmlIODecode dec, uint16_t min_base, uint16_t max_base, uint8_t aln, uint8_t len); Aml *aml_operation_region(const char *name, AmlRegionSpace rs, -- 2.0.4