Add qemu 2.4.0

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

diff --git a/qemu/roms/u-boot/examples/standalone/ppc_setjmp.S b/qemu/roms/u-boot/examples/standalone/ppc_setjmp.S
new file mode 100644 (file)
index 0000000..29c295b
--- /dev/null
+++ b/qemu/roms/u-boot/examples/standalone/ppc_setjmp.S
@@ -0,0 +1,71 @@
+/* setjmp 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
+
+.globl      setctxsp;
+setctxsp:
+       mr  r1, r3
+       blr
+
+.globl      ppc_setjmp;
+ppc_setjmp:
+       stw  r1,(JB_GPR1*4)(3)
+       mflr r0
+       stw  r2,(JB_GPR2*4)(3)
+       stw  r14,((JB_GPRS+0)*4)(3)
+FP(    stfd 14,((JB_FPRS+0*2)*4)(3))
+       stw  r0,(JB_LR*4)(3)
+       stw  r15,((JB_GPRS+1)*4)(3)
+FP(    stfd 15,((JB_FPRS+1*2)*4)(3))
+       mfcr r0
+       stw  r16,((JB_GPRS+2)*4)(3)
+FP(    stfd 16,((JB_FPRS+2*2)*4)(3))
+       stw  r0,(JB_CR*4)(3)
+       stw  r17,((JB_GPRS+3)*4)(3)
+FP(    stfd 17,((JB_FPRS+3*2)*4)(3))
+       stw  r18,((JB_GPRS+4)*4)(3)
+FP(    stfd 18,((JB_FPRS+4*2)*4)(3))
+       stw  r19,((JB_GPRS+5)*4)(3)
+FP(    stfd 19,((JB_FPRS+5*2)*4)(3))
+       stw  r20,((JB_GPRS+6)*4)(3)
+FP(    stfd 20,((JB_FPRS+6*2)*4)(3))
+       stw  r21,((JB_GPRS+7)*4)(3)
+FP(    stfd 21,((JB_FPRS+7*2)*4)(3))
+       stw  r22,((JB_GPRS+8)*4)(3)
+FP(    stfd 22,((JB_FPRS+8*2)*4)(3))
+       stw  r23,((JB_GPRS+9)*4)(3)
+FP(    stfd 23,((JB_FPRS+9*2)*4)(3))
+       stw  r24,((JB_GPRS+10)*4)(3)
+FP(    stfd 24,((JB_FPRS+10*2)*4)(3))
+       stw  r25,((JB_GPRS+11)*4)(3)
+FP(    stfd 25,((JB_FPRS+11*2)*4)(3))
+       stw  r26,((JB_GPRS+12)*4)(3)
+FP(    stfd 26,((JB_FPRS+12*2)*4)(3))
+       stw  r27,((JB_GPRS+13)*4)(3)
+FP(    stfd 27,((JB_FPRS+13*2)*4)(3))
+       stw  r28,((JB_GPRS+14)*4)(3)
+FP(    stfd 28,((JB_FPRS+14*2)*4)(3))
+       stw  r29,((JB_GPRS+15)*4)(3)
+FP(    stfd 29,((JB_FPRS+15*2)*4)(3))
+       stw  r30,((JB_GPRS+16)*4)(3)
+FP(    stfd 30,((JB_FPRS+16*2)*4)(3))
+       stw  r31,((JB_GPRS+17)*4)(3)
+FP(    stfd 31,((JB_FPRS+17*2)*4)(3))
+
+       li 3, 0
+       blr