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Iglesias" , =?UTF-8?q?Andreas=20F=C3=A4rber?= , Igor Mammedov , Eduardo Habkost Date: Mon, 8 Jan 2018 23:00:46 -0300 Message-Id: <20180109020054.32553-2-f4bug@amsat.org> X-Mailer: git-send-email 2.15.1 In-Reply-To: <20180109020054.32553-1-f4bug@amsat.org> References: <20180109020054.32553-1-f4bug@amsat.org> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-Received-From: 2607:f8b0:400d:c0d::242 Subject: [Qemu-devel] [RFC PATCH v2 1/9] hw/sysbus: add helpers to register FDT aliases X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: qemu-arm@nongnu.org, =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= , qemu-devel@nongnu.org Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) X-ZohoMail: RDKM_2 RSF_0 Z_629925259 SPT_0 Signed-off-by: Philippe Mathieu-Daud=C3=A9 --- include/hw/sysbus-fdt.h | 18 ++++++++++++++++++ hw/core/sysbus-fdt.c | 30 ++++++++++++++++++++++++++++++ hw/core/Makefile.objs | 1 + 3 files changed, 49 insertions(+) create mode 100644 include/hw/sysbus-fdt.h create mode 100644 hw/core/sysbus-fdt.c diff --git a/include/hw/sysbus-fdt.h b/include/hw/sysbus-fdt.h new file mode 100644 index 0000000000..21f42dbbad --- /dev/null +++ b/include/hw/sysbus-fdt.h @@ -0,0 +1,18 @@ +/* + * Flattened Device Tree alias helpers + * + * Copyright (C) 2018 Philippe Mathieu-Daud=C3=A9 + * + * This work is licensed under the terms of the GNU GPL, version 2 or + * (at your option) any later version. See the COPYING file in the + * top-level directory. + */ +#ifndef HW_SYSBUS_FDT_H +#define HW_SYSBUS_FDT_H + +void type_register_fdt_alias(const char *name, const char *alias); +void type_register_fdt_aliases(const char *name, const char **aliases); + +const char *type_resolve_fdt_alias(const char *alias); + +#endif /* HW_SYSBUS_FDT_H */ diff --git a/hw/core/sysbus-fdt.c b/hw/core/sysbus-fdt.c new file mode 100644 index 0000000000..0d817ba230 --- /dev/null +++ b/hw/core/sysbus-fdt.c @@ -0,0 +1,30 @@ +#include "qemu/osdep.h" +#include "hw/sysbus-fdt.h" + +static GHashTable *fdt_aliases(void) +{ + static GHashTable *fdt_aliases_singleton; + + if (!fdt_aliases_singleton) { + fdt_aliases_singleton =3D g_hash_table_new(g_str_hash, g_str_equal= ); + } + return fdt_aliases_singleton; +} + +void type_register_fdt_alias(const char *name, const char *alias) +{ + g_hash_table_insert(fdt_aliases(), (gpointer)name, (gpointer)name); + g_hash_table_insert(fdt_aliases(), (gpointer)alias, (gpointer)name); +} + +void type_register_fdt_aliases(const char *name, const char **aliases) +{ + for (; *aliases; aliases++) { + type_register_fdt_alias(name, *aliases); + } +} + +const char *type_resolve_fdt_alias(const char *alias) +{ + return g_hash_table_lookup(fdt_aliases(), alias); +} diff --git a/hw/core/Makefile.objs b/hw/core/Makefile.objs index f8d7a4aaed..f56f0755a5 100644 --- a/hw/core/Makefile.objs +++ b/hw/core/Makefile.objs @@ -11,6 +11,7 @@ common-obj-$(CONFIG_EMPTY_SLOT) +=3D empty_slot.o common-obj-$(CONFIG_XILINX_AXI) +=3D stream.o common-obj-$(CONFIG_PTIMER) +=3D ptimer.o common-obj-$(CONFIG_SOFTMMU) +=3D sysbus.o +common-obj-$(CONFIG_SOFTMMU) +=3D sysbus-fdt.o common-obj-$(CONFIG_SOFTMMU) +=3D machine.o common-obj-$(CONFIG_SOFTMMU) +=3D loader.o common-obj-$(CONFIG_FITLOADER) +=3D loader-fit.o --=20 2.15.1