Add qemu 2.4.0

[kvmfornfv.git] / qemu / roms / u-boot / examples / standalone / ppc_longjmp.S

diff --git a/qemu/roms/u-boot/examples/standalone/ppc_longjmp.S b/qemu/roms/u-boot/examples/standalone/ppc_longjmp.S
new file mode 100644 (file)
index 0000000..bf01daa
--- /dev/null
+++ b/qemu/roms/u-boot/examples/standalone/ppc_longjmp.S
@@ -0,0 +1,67 @@
+/* longjmp for PowerPC.
+   Copyright (C) 1995, 1996, 1997, 1999, 2000 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+ * SPDX-License-Identifier:    LGPL-2.1+
+ */
+
+#include <ppc_asm.tmpl>
+
+# define JB_GPR1   0  /* Also known as the stack pointer */
+# define JB_GPR2   1
+# define JB_LR     2  /* The address we will return to */
+# define JB_GPRS   3  /* GPRs 14 through 31 are saved, 18 in total */
+# define JB_CR     21 /* Condition code registers. */
+# define JB_FPRS   22 /* FPRs 14 through 31 are saved, 18*2 words total */
+# define JB_SIZE   (58*4)
+
+#define FP(x...) x
+#define FP(x...) x
+
+.globl      ppc_longjmp;
+
+ppc_longjmp:
+       lwz r1,(JB_GPR1*4)(r3)
+       lwz r2,(JB_GPR2*4)(r3)
+       lwz r0,(JB_LR*4)(r3)
+       lwz r14,((JB_GPRS+0)*4)(r3)
+FP(    lfd 14,((JB_FPRS+0*2)*4)(r3))
+       lwz r15,((JB_GPRS+1)*4)(r3)
+FP(    lfd 15,((JB_FPRS+1*2)*4)(r3))
+       lwz r16,((JB_GPRS+2)*4)(r3)
+FP(    lfd 16,((JB_FPRS+2*2)*4)(r3))
+       lwz r17,((JB_GPRS+3)*4)(r3)
+FP(    lfd 17,((JB_FPRS+3*2)*4)(r3))
+       lwz r18,((JB_GPRS+4)*4)(r3)
+FP(    lfd 18,((JB_FPRS+4*2)*4)(r3))
+       lwz r19,((JB_GPRS+5)*4)(r3)
+FP(    lfd 19,((JB_FPRS+5*2)*4)(r3))
+       lwz r20,((JB_GPRS+6)*4)(r3)
+FP(    lfd 20,((JB_FPRS+6*2)*4)(r3))
+       mtlr r0
+       lwz r21,((JB_GPRS+7)*4)(r3)
+FP(    lfd 21,((JB_FPRS+7*2)*4)(r3))
+       lwz r22,((JB_GPRS+8)*4)(r3)
+FP(    lfd 22,((JB_FPRS+8*2)*4)(r3))
+       lwz r0,(JB_CR*4)(r3)
+       lwz r23,((JB_GPRS+9)*4)(r3)
+FP(    lfd 23,((JB_FPRS+9*2)*4)(r3))
+       lwz r24,((JB_GPRS+10)*4)(r3)
+FP(    lfd 24,((JB_FPRS+10*2)*4)(r3))
+       lwz r25,((JB_GPRS+11)*4)(r3)
+FP(    lfd 25,((JB_FPRS+11*2)*4)(r3))
+       mtcrf 0xFF,r0
+       lwz r26,((JB_GPRS+12)*4)(r3)
+FP(    lfd 26,((JB_FPRS+12*2)*4)(r3))
+       lwz r27,((JB_GPRS+13)*4)(r3)
+FP(    lfd 27,((JB_FPRS+13*2)*4)(r3))
+       lwz r28,((JB_GPRS+14)*4)(r3)
+FP(    lfd 28,((JB_FPRS+14*2)*4)(r3))
+       lwz r29,((JB_GPRS+15)*4)(r3)
+FP(    lfd 29,((JB_FPRS+15*2)*4)(r3))
+       lwz r30,((JB_GPRS+16)*4)(r3)
+FP(    lfd 30,((JB_FPRS+16*2)*4)(r3))
+       lwz r31,((JB_GPRS+17)*4)(r3)
+FP(    lfd 31,((JB_FPRS+17*2)*4)(r3))
+       mr r3,r4
+       blr