Add qemu 2.4.0

[kvmfornfv.git] / qemu / roms / u-boot / examples / api / crt0.S

diff --git a/qemu/roms/u-boot/examples/api/crt0.S b/qemu/roms/u-boot/examples/api/crt0.S
new file mode 100644 (file)
index 0000000..78d35a2
--- /dev/null
+++ b/qemu/roms/u-boot/examples/api/crt0.S
@@ -0,0 +1,54 @@
+/*
+ * (C) Copyright 2007 Semihalf
+ *
+ * Written by: Rafal Jaworowski <raj@semihalf.com>
+ *
+ * SPDX-License-Identifier:    GPL-2.0+
+ */
+
+#if defined(CONFIG_PPC)
+
+       .text
+       .globl _start
+_start:
+       lis     %r11, search_hint@ha
+       addi    %r11, %r11, search_hint@l
+       stw     %r1, 0(%r11)
+       b       main
+
+
+       .globl syscall
+syscall:
+       lis     %r11, syscall_ptr@ha
+       addi    %r11, %r11, syscall_ptr@l
+       lwz     %r11, 0(%r11)
+       mtctr   %r11
+       bctr
+
+#elif defined(CONFIG_ARM)
+
+       .text
+       .globl _start
+_start:
+       ldr     ip, =search_hint
+       str     sp, [ip]
+       b       main
+
+
+       .globl syscall
+syscall:
+       ldr     ip, =syscall_ptr
+       ldr     pc, [ip]
+
+#else
+#error No support for this arch!
+#endif
+
+       .globl syscall_ptr
+syscall_ptr:
+       .align  4
+       .long   0
+
+       .globl search_hint
+search_hint:
+       .long   0