From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:49804) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1YxZDS-0004KA-KI for qemu-devel@nongnu.org; Wed, 27 May 2015 07:09:43 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1YxZDP-0007lg-FD for qemu-devel@nongnu.org; Wed, 27 May 2015 07:09:42 -0400 Received: from mx1.redhat.com ([209.132.183.28]:50831) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1YxZDP-0007lR-7r for qemu-devel@nongnu.org; Wed, 27 May 2015 07:09:39 -0400 Date: Wed, 27 May 2015 12:09:27 +0200 From: "Michael S. Tsirkin" Message-ID: <20150527120921-mutt-send-email-mst@redhat.com> References: <1432522520-8068-1-git-send-email-zhaoshenglong@huawei.com> <1432522520-8068-16-git-send-email-zhaoshenglong@huawei.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1432522520-8068-16-git-send-email-zhaoshenglong@huawei.com> Subject: Re: [Qemu-devel] [PATCH v9 15/24] hw/acpi/aml-build: Add ToUUID macro List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Shannon Zhao Cc: peter.maydell@linaro.org, hangaohuai@huawei.com, a.spyridakis@virtualopensystems.com, claudio.fontana@huawei.com, qemu-devel@nongnu.org, peter.huangpeng@huawei.com, alex.bennee@linaro.org, hanjun.guo@linaro.org, imammedo@redhat.com, pbonzini@redhat.com, lersek@redhat.com, christoffer.dall@linaro.org, shannon.zhao@linaro.org On Mon, May 25, 2015 at 10:55:11AM +0800, Shannon Zhao wrote: > From: Shannon Zhao > > Add ToUUID macro, this is useful for generating PCIe ACPI table. > > Signed-off-by: Shannon Zhao > Signed-off-by: Shannon Zhao > Reviewed-by: Igor Mammedov Reviewed-by: Michael S. Tsirkin > --- > hw/acpi/aml-build.c | 53 +++++++++++++++++++++++++++++++++++++++++++++ > include/hw/acpi/aml-build.h | 1 + > 2 files changed, 54 insertions(+) > > diff --git a/hw/acpi/aml-build.c b/hw/acpi/aml-build.c > index 22478c2..ebce504 100644 > --- a/hw/acpi/aml-build.c > +++ b/hw/acpi/aml-build.c > @@ -962,6 +962,59 @@ Aml *aml_qword_memory(AmlDecode dec, AmlMinFixed min_fixed, > addr_trans, len, flags); > } > > +static uint8_t Hex2Byte(const char *src) > +{ > + int hi, lo; > + > + hi = Hex2Digit(src[0]); > + assert(hi >= 0); > + assert(hi <= 15); > + > + lo = Hex2Digit(src[1]); > + assert(lo >= 0); > + assert(lo <= 15); > + return (hi << 4) | lo; > +} > + > +/* > + * ACPI 3.0: 17.5.124 ToUUID (Convert String to UUID Macro) > + * e.g. UUID: aabbccdd-eeff-gghh-iijj-kkllmmnnoopp > + * call aml_touuid("aabbccdd-eeff-gghh-iijj-kkllmmnnoopp"); > + */ > +Aml *aml_touuid(const char *uuid) > +{ > + Aml *var = aml_bundle(0x11 /* BufferOp */, AML_BUFFER); > + > + assert(strlen(uuid) == 36); > + assert(uuid[8] == '-'); > + assert(uuid[13] == '-'); > + assert(uuid[18] == '-'); > + assert(uuid[23] == '-'); > + > + build_append_byte(var->buf, Hex2Byte(uuid + 6)); /* dd - at offset 00 */ > + build_append_byte(var->buf, Hex2Byte(uuid + 4)); /* cc - at offset 01 */ > + build_append_byte(var->buf, Hex2Byte(uuid + 2)); /* bb - at offset 02 */ > + build_append_byte(var->buf, Hex2Byte(uuid + 0)); /* aa - at offset 03 */ > + > + build_append_byte(var->buf, Hex2Byte(uuid + 11)); /* ff - at offset 04 */ > + build_append_byte(var->buf, Hex2Byte(uuid + 9)); /* ee - at offset 05 */ > + > + build_append_byte(var->buf, Hex2Byte(uuid + 16)); /* hh - at offset 06 */ > + build_append_byte(var->buf, Hex2Byte(uuid + 14)); /* gg - at offset 07 */ > + > + build_append_byte(var->buf, Hex2Byte(uuid + 19)); /* ii - at offset 08 */ > + build_append_byte(var->buf, Hex2Byte(uuid + 21)); /* jj - at offset 09 */ > + > + build_append_byte(var->buf, Hex2Byte(uuid + 24)); /* kk - at offset 10 */ > + build_append_byte(var->buf, Hex2Byte(uuid + 26)); /* ll - at offset 11 */ > + build_append_byte(var->buf, Hex2Byte(uuid + 28)); /* mm - at offset 12 */ > + build_append_byte(var->buf, Hex2Byte(uuid + 30)); /* nn - at offset 13 */ > + build_append_byte(var->buf, Hex2Byte(uuid + 32)); /* oo - at offset 14 */ > + build_append_byte(var->buf, Hex2Byte(uuid + 34)); /* pp - at offset 15 */ > + > + return var; > +} > + > void > build_header(GArray *linker, GArray *table_data, > AcpiTableHeader *h, const char *sig, int len, uint8_t rev) > diff --git a/include/hw/acpi/aml-build.h b/include/hw/acpi/aml-build.h > index fac70ea..a873b46 100644 > --- a/include/hw/acpi/aml-build.h > +++ b/include/hw/acpi/aml-build.h > @@ -257,6 +257,7 @@ Aml *aml_buffer(int buffer_size, uint8_t *byte_list); > Aml *aml_resource_template(void); > Aml *aml_field(const char *name, AmlAccessType type, AmlUpdateRule rule); > Aml *aml_varpackage(uint32_t num_elements); > +Aml *aml_touuid(const char *uuid); > > void > build_header(GArray *linker, GArray *table_data, > -- > 2.0.4 >