From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:38205) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1YdyUS-0001ZV-2E for qemu-devel@nongnu.org; Fri, 03 Apr 2015 06:06:17 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1YdyUO-0005zv-S6 for qemu-devel@nongnu.org; Fri, 03 Apr 2015 06:06:15 -0400 Received: from szxga03-in.huawei.com ([119.145.14.66]:9545) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1YdyUO-0005kE-90 for qemu-devel@nongnu.org; Fri, 03 Apr 2015 06:06:12 -0400 From: Shannon Zhao Date: Fri, 3 Apr 2015 18:03:36 +0800 Message-ID: <1428055432-12120-5-git-send-email-zhaoshenglong@huawei.com> In-Reply-To: <1428055432-12120-1-git-send-email-zhaoshenglong@huawei.com> References: <1428055432-12120-1-git-send-email-zhaoshenglong@huawei.com> MIME-Version: 1.0 Content-Type: text/plain Subject: [Qemu-devel] [PATCH v4 04/20] 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, msalter@redhat.com Cc: hangaohuai@huawei.com, shannon.zhao@linaro.org, peter.huangpeng@huawei.com, zhaoshenglong@huawei.com 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 --- hw/acpi/aml-build.c | 22 ++++++++++++++++++++++ include/hw/acpi/aml-build.h | 1 + 2 files changed, 23 insertions(+) diff --git a/hw/acpi/aml-build.c b/hw/acpi/aml-build.c index 8d01959..fefe7c7 100644 --- a/hw/acpi/aml-build.c +++ b/hw/acpi/aml-build.c @@ -505,6 +505,28 @@ Aml *aml_call4(const char *method, Aml *arg1, Aml *arg2, Aml *arg3, Aml *arg4) return var; } +/* + * ACPI 1.0: 6.4.3.4 Memory32Fixed (Memory Resource Descriptor Macro) + */ +Aml *aml_memory32_fixed(uint64_t addr, uint64_t size, uint8_t rw_flag) +{ + 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, rw_flag); /* Write status, 1 rw 0 ro */ + build_append_byte(var->buf, addr & 0xff); /* Range base address bits[7:0] */ + build_append_byte(var->buf, (addr >> 8) & 0xff); /* Range base address bits[15:8] */ + build_append_byte(var->buf, (addr >> 16) & 0xff); /* Range base address bits[23:16] */ + build_append_byte(var->buf, (addr >> 24) & 0xff); /* Range base address bits[31:24] */ + + build_append_byte(var->buf, size & 0xff); /* Range length bits[7:0] */ + build_append_byte(var->buf, (size >> 8) & 0xff); /* Range length bits[15:8] */ + build_append_byte(var->buf, (size >> 16) & 0xff); /* Range length bits[23:16] */ + build_append_byte(var->buf, (size >> 24) & 0xff); /* Range length 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 1705001..baa0652 100644 --- a/include/hw/acpi/aml-build.h +++ b/include/hw/acpi/aml-build.h @@ -162,6 +162,7 @@ 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(uint64_t addr, uint64_t size, uint8_t rw_flag); 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