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[Qemu-arm] [RFC PATCH v2 1/9] hw/sysbus: add helpers to register FDT ali
From: |
Philippe Mathieu-Daudé |
Subject: |
[Qemu-arm] [RFC PATCH v2 1/9] hw/sysbus: add helpers to register FDT aliases |
Date: |
Mon, 8 Jan 2018 23:00:46 -0300 |
Signed-off-by: Philippe Mathieu-Daudé <address@hidden>
---
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-Daudé <address@hidden>
+ *
+ * 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 = 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-$(CONFIG_EMPTY_SLOT) += empty_slot.o
common-obj-$(CONFIG_XILINX_AXI) += stream.o
common-obj-$(CONFIG_PTIMER) += ptimer.o
common-obj-$(CONFIG_SOFTMMU) += sysbus.o
+common-obj-$(CONFIG_SOFTMMU) += sysbus-fdt.o
common-obj-$(CONFIG_SOFTMMU) += machine.o
common-obj-$(CONFIG_SOFTMMU) += loader.o
common-obj-$(CONFIG_FITLOADER) += loader-fit.o
--
2.15.1
- [Qemu-arm] [RFC PATCH v2 0/9] resolv device by Flattened Device Tree alias name, Philippe Mathieu-Daudé, 2018/01/08
- [Qemu-arm] [RFC PATCH v2 1/9] hw/sysbus: add helpers to register FDT aliases,
Philippe Mathieu-Daudé <=
- [Qemu-arm] [RFC PATCH v2 2/9] hw/char/cadence_uart: add FDT aliases, Philippe Mathieu-Daudé, 2018/01/08
- [Qemu-arm] [RFC PATCH v2 3/9] hw/net/cadence_gem: add FDT aliases, Philippe Mathieu-Daudé, 2018/01/08
- [Qemu-arm] [RFC PATCH v2 4/9] hw/timer/cadence_ttc: add FDT aliases, Philippe Mathieu-Daudé, 2018/01/08
- [Qemu-arm] [RFC PATCH v2 5/9] hw/dma/axidma: add 'xlnx, eth-dma' FDT alias, Philippe Mathieu-Daudé, 2018/01/08
- [Qemu-arm] [RFC PATCH v2 6/9] hw/usb/hcd-ehci: add 'xlnx, ps7-usb' FDT aliases, Philippe Mathieu-Daudé, 2018/01/08
- [Qemu-arm] [RFC PATCH v2 7/9] hw/ssi/xlnx-spips: add 'xlnx.zynq-qspi' FDT alias, Philippe Mathieu-Daudé, 2018/01/08
- [Qemu-arm] [RFC PATCH v2 8/9] hw/dma/xlnx_dpdma: add 'xlnx, axi-dpdma-1.0' FDT alias, Philippe Mathieu-Daudé, 2018/01/08
- [Qemu-arm] [RFC PATCH v2 9/9] hw/arm/xlnx-zynqmp: use Linux FDT names, Philippe Mathieu-Daudé, 2018/01/08