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-rw-r--r--qemu/roms/SLOF/rtas/rtas_common.S87
1 files changed, 87 insertions, 0 deletions
diff --git a/qemu/roms/SLOF/rtas/rtas_common.S b/qemu/roms/SLOF/rtas/rtas_common.S
new file mode 100644
index 000000000..35cd9a9f5
--- /dev/null
+++ b/qemu/roms/SLOF/rtas/rtas_common.S
@@ -0,0 +1,87 @@
+/******************************************************************************
+ * 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
+ *****************************************************************************/
+
+.globl save_regs_r3_r12
+.globl restore_regs_r3_r12
+.globl save_regs_r13_r25
+.globl restore_regs_r13_r25
+
+
+save_regs_r3_r12:
+ stdu r1,-0x80(r1) # allocate space on stack
+
+ std r3,0x30(r1)
+ std r4,0x38(r1)
+ std r5,0x40(r1)
+ std r6,0x48(r1)
+ std r7,0x50(r1)
+ std r8,0x58(r1)
+ std r9,0x60(r1)
+ std r10,0x68(r1)
+ std r11,0x70(r1)
+ std r12,0x78(r1)
+
+ blr
+
+restore_regs_r3_r12:
+ ld r3,0x30(r1)
+ ld r4,0x38(r1)
+ ld r5,0x40(r1)
+ ld r6,0x48(r1)
+ ld r7,0x50(r1)
+ ld r8,0x58(r1)
+ ld r9,0x60(r1)
+ ld r10,0x68(r1)
+ ld r11,0x70(r1)
+ ld r12,0x78(r1)
+
+ addi r1,r1,0x80 # cleanup stack
+
+ blr
+
+save_regs_r13_r25:
+ stdu r1,-0x98(r1) # allocate space on stack
+
+ std r13,0x30(r1)
+ std r14,0x38(r1)
+ std r15,0x40(r1)
+ std r16,0x48(r1)
+ std r17,0x50(r1)
+ std r18,0x58(r1)
+ std r19,0x60(r1)
+ std r20,0x68(r1)
+ std r21,0x70(r1)
+ std r22,0x78(r1)
+ std r23,0x80(r1)
+ std r24,0x88(r1)
+ std r25,0x90(r1)
+
+ blr
+
+restore_regs_r13_r25:
+ ld r13,0x30(r1) # restore registers from stack
+ ld r14,0x38(r1)
+ ld r15,0x40(r1)
+ ld r16,0x48(r1)
+ ld r17,0x50(r1)
+ ld r18,0x58(r1)
+ ld r19,0x60(r1)
+ ld r20,0x68(r1)
+ ld r21,0x70(r1)
+ ld r22,0x78(r1)
+ ld r23,0x80(r1)
+ ld r24,0x88(r1)
+ ld r25,0x90(r1)
+
+ addi r1,r1,0x98 # cleanup stack
+
+ blr