Initial import of qemu-2.4.1HEADmaster

1 files changed, 124 insertions, 0 deletions

diff --git a/roms/SLOF/board-js2x/llfw/hw.c b/roms/SLOF/board-js2x/llfw/hw.c
new file mode 100644
index 00000000..e01b583b
--- /dev/null
+++ b/roms/SLOF/board-js2x/llfw/hw.c
@@ -0,0 +1,124 @@
+/******************************************************************************
+ * Copyright (c) 2004, 2008 IBM Corporation
+ * All rights reserved.
+ * This program and the accompanying materials
+ * are made available under the terms of the BSD License
+ * which accompanies this distribution, and is available at
+ * http://www.opensource.org/licenses/bsd-license.php
+ *
+ * Contributors:
+ *     IBM Corporation - initial implementation
+ *****************************************************************************/
+
+#include <cpu.h>
+#include <stdint.h>
+#include <hw.h>
+
+uint16_t
+bswap16_load(uint64_t addr)
+{
+	unsigned int val;
+	set_ci();
+	asm volatile ("lhbrx %0, 0, %1":"=r" (val):"r"(addr));
+	clr_ci();
+	return val;
+}
+
+uint32_t
+bswap32_load(uint64_t addr)
+{
+	unsigned int val;
+	set_ci();
+	asm volatile ("lwbrx %0, 0, %1":"=r" (val):"r"(addr));
+	clr_ci();
+	return val;
+}
+
+void
+bswap16_store(uint64_t addr, uint16_t val)
+{
+	set_ci();
+	asm volatile ("sthbrx %0, 0, %1"::"r" (val), "r"(addr));
+	clr_ci();
+}
+
+void
+bswap32_store(uint64_t addr, uint32_t val)
+{
+	set_ci();
+	asm volatile ("stwbrx %0, 0, %1"::"r" (val), "r"(addr));
+	clr_ci();
+}
+
+uint8_t
+load8_ci(uint64_t addr)
+{
+	uint8_t val;
+	set_ci();
+	val = *(uint8_t *) addr;
+	clr_ci();
+	return val;
+}
+
+uint16_t
+load16_ci(uint64_t addr)
+{
+	uint16_t val;
+	set_ci();
+	val = *(uint16_t *) addr;
+	clr_ci();
+	return val;
+}
+
+uint32_t
+load32_ci(uint64_t addr)
+{
+	uint32_t val;
+	set_ci();
+	val = *(uint32_t *) addr;
+	clr_ci();
+	return val;
+}
+
+uint64_t
+load64_ci(uint64_t addr)
+{
+	uint64_t val;
+	set_ci();
+	val = *(uint64_t *) addr;
+	clr_ci();
+	return val;
+}
+
+
+void
+store8_ci(uint64_t addr, uint8_t val)
+{
+	set_ci();
+	*(uint8_t *) addr = val;
+	clr_ci();
+}
+
+void
+store16_ci(uint64_t addr, uint16_t val)
+{
+	set_ci();
+	*(uint16_t *) addr = val;
+	clr_ci();
+}
+
+void
+store32_ci(uint64_t addr, uint32_t val)
+{
+	set_ci();
+	*(uint32_t *) addr = val;
+	clr_ci();
+}
+
+void
+store64_ci(uint64_t addr, uint64_t val)
+{
+	set_ci();
+	*(uint64_t *) addr = val;
+	clr_ci();
+}