Add qemu 2.4.0

[kvmfornfv.git] / qemu / roms / SLOF / slof / ppc64.c

diff --git a/qemu/roms/SLOF/slof/ppc64.c b/qemu/roms/SLOF/slof/ppc64.c
new file mode 100644 (file)
index 0000000..20d9270
--- /dev/null
+++ b/qemu/roms/SLOF/slof/ppc64.c
@@ -0,0 +1,110 @@
+/******************************************************************************
+ * 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>
+
+/* the exception frame should be page aligned
+ * the_exception_frame is used by the handler to store a copy of all
+ * registers after an exception; this copy can then be used by paflof's
+ * exception handler to printout a register dump */
+cell the_exception_frame[0x400 / CELLSIZE] __attribute__ ((aligned(PAGE_SIZE)));;
+
+/* the_client_frame is the register save area when starting a client */
+cell the_client_frame[0x1000 / CELLSIZE] __attribute__ ((aligned(0x100)));
+cell the_client_stack[0x8000 / CELLSIZE] __attribute__ ((aligned(0x100)));
+/* THE forth stack */
+cell the_data_stack[0x2000 / CELLSIZE] __attribute__ ((aligned(0x100)));
+/* the forth return stack */
+cell the_return_stack[0x2000 / CELLSIZE] __attribute__ ((aligned(0x100)));
+
+/* forth stack and return-stack pointers */
+cell *restrict dp;
+cell *restrict rp;
+
+/* terminal input buffer */
+cell the_tib[0x1000 / CELLSIZE] __attribute__ ((aligned(0x100)));
+/* temporary string buffers */
+char the_pockets[NUMPOCKETS * POCKETSIZE] __attribute__ ((aligned(0x100)));
+
+cell the_comp_buffer[0x1000 / CELLSIZE] __attribute__ ((aligned(0x100)));
+
+cell the_heap[HEAP_SIZE / CELLSIZE] __attribute__ ((aligned(0x1000)));
+cell *the_heap_start = &the_heap[0];
+cell *the_heap_end = &the_heap[HEAP_SIZE / CELLSIZE];
+
+extern void io_putchar(unsigned char);
+
+
+static unsigned long __attribute__((noinline))
+call_c(cell arg0, cell arg1, cell arg2, cell entry)
+{
+       register unsigned long r3 asm("r3") = arg0.u;
+       register unsigned long r4 asm("r4") = arg1.u;
+       register unsigned long r5 asm("r5") = arg2.u;
+       register unsigned long r6 = entry.u         ;
+
+       asm volatile("mflr 31 ; mtctr %4 ; bctrl ; mtlr 31"
+                    : "=r" (r3)
+                    : "r" (r3), "r" (r4), "r" (r5), "r" (r6)
+                    : "ctr", "r6", "r7", "r8", "r9", "r10", "r11",
+                      "r12", "r13", "r31", "lr", "cc");
+
+       return r3;
+}
+
+
+long
+writeLogByte_wrapper(long x, long y)
+{
+       unsigned long result;
+
+       SET_CI;
+       result = writeLogByte(x, y);
+       CLR_CI;
+
+       return result;
+}
+
+
+/**
+ * Standard write function for the libc.
+ *
+ * @param fd    file descriptor (should always be 1 or 2)
+ * @param buf   pointer to the array with the output characters
+ * @param count number of bytes to be written
+ * @return      the number of bytes that have been written successfully
+ */
+int
+write(int fd, const void *buf, int count)
+{
+       int i;
+       char *ptr = (char *)buf;
+
+       if (fd != 1 && fd != 2)
+               return 0;
+
+       for (i = 0; i < count; i++) {
+               if (*ptr == '\n')
+                       io_putchar('\r');
+               io_putchar(*ptr++);
+       }
+
+       return i;
+}
+
+/* This should probably be temporary until a better solution is found */
+void
+asm_cout(long Character, long UART, long NVRAM __attribute__((unused)))
+{
+       if (UART)
+               io_putchar(Character);
+}