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-rw-r--r--pc-bios/spapr-rtas/Makefile24
-rw-r--r--pc-bios/spapr-rtas/spapr-rtas.S37
2 files changed, 61 insertions, 0 deletions
diff --git a/pc-bios/spapr-rtas/Makefile b/pc-bios/spapr-rtas/Makefile
new file mode 100644
index 0000000000..dc8b23e3ce
--- /dev/null
+++ b/pc-bios/spapr-rtas/Makefile
@@ -0,0 +1,24 @@
+all: build-all
+# Dummy command so that make thinks it has done something
+ @true
+
+include ../../config-host.mak
+include $(SRC_PATH)/rules.mak
+
+$(call set-vpath, $(SRC_PATH)/pc-bios/spapr-rtas)
+
+.PHONY : all clean build-all
+
+#CFLAGS += -I$(SRC_PATH)
+#QEMU_CFLAGS = $(CFLAGS)
+
+build-all: spapr-rtas.bin
+
+%.img: %.o
+ $(call quiet-command,$(CC) -nostdlib -o $@ $<," Building $(TARGET_DIR)$@")
+
+%.bin: %.img
+ $(call quiet-command,$(OBJCOPY) -O binary -j .text $< $@," Building $(TARGET_DIR)$@")
+
+clean:
+ rm -f *.o *.d *.img *.bin *~
diff --git a/pc-bios/spapr-rtas/spapr-rtas.S b/pc-bios/spapr-rtas/spapr-rtas.S
new file mode 100644
index 0000000000..903bec2150
--- /dev/null
+++ b/pc-bios/spapr-rtas/spapr-rtas.S
@@ -0,0 +1,37 @@
+/*
+ * QEMU PowerPC pSeries Logical Partition (aka sPAPR) hardware System Emulator
+ *
+ * Trivial in-partition RTAS implementation, based on a hypercall
+ *
+ * Copyright (c) 2010,2011 David Gibson, IBM Corporation.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ *
+ */
+
+#define KVMPPC_HCALL_BASE 0xf000
+#define KVMPPC_H_RTAS (KVMPPC_HCALL_BASE + 0x0)
+
+.globl _start
+_start:
+ mr 4,3
+ lis 3,KVMPPC_H_RTAS@h
+ ori 3,3,KVMPPC_H_RTAS@l
+ sc 1
+ blr