Add qemu 2.4.0

[kvmfornfv.git] / qemu / roms / u-boot / arch / sh / cpu / sh3 / start.S

diff --git a/qemu/roms/u-boot/arch/sh/cpu/sh3/start.S b/qemu/roms/u-boot/arch/sh/cpu/sh3/start.S
new file mode 100644 (file)
index 0000000..c26a0b6
--- /dev/null
+++ b/qemu/roms/u-boot/arch/sh/cpu/sh3/start.S
@@ -0,0 +1,65 @@
+/*
+ * (C) Copyright 2007
+ * Yoshihiro Shimoda <shimoda.yoshihiro@renesas.com>
+ *
+ * (C) Copyright 2007
+ * Nobuhiro Iwamatsu <iwamatsu@nigauri.org>
+ *
+ * SPDX-License-Identifier:    GPL-2.0+
+ */
+
+#include <asm-offsets.h>
+#include <config.h>
+#include <version.h>
+
+       .text
+       .align  2
+
+       .global _start
+_sh_start:
+       mov.l   ._lowlevel_init, r0
+100:   bsrf    r0
+       nop
+
+       bsr     1f
+       nop
+1:     sts     pr, r5
+       mov.l   ._reloc_dst, r4
+       add     #(_sh_start-1b), r5
+       mov.l   ._reloc_dst_end, r6
+
+2:     mov.l   @r5+, r1
+       mov.l   r1, @r4
+       add     #4, r4
+       cmp/hs  r6, r4
+       bf      2b
+
+       mov.l   ._bss_start, r4
+       mov.l   ._bss_end, r5
+       mov     #0, r1
+
+3:     mov.l   r1, @r4                 /* bss clear */
+       add     #4, r4
+       cmp/hs  r5, r4
+       bf      3b
+
+       mov.l   ._gd_init, r13          /* global data */
+       mov.l   ._stack_init, r15       /* stack */
+
+       mov.l   ._sh_generic_init, r0
+       jsr     @r0
+       nop
+
+loop:
+       bra     loop
+
+       .align  2
+
+._lowlevel_init:       .long   (lowlevel_init - (100b + 4))
+._reloc_dst:           .long   reloc_dst
+._reloc_dst_end:       .long   reloc_dst_end
+._bss_start:           .long   bss_start
+._bss_end:             .long   bss_end
+._gd_init:             .long   (_sh_start - GENERATED_GBL_DATA_SIZE)
+._stack_init:  .long   (_sh_start - GENERATED_GBL_DATA_SIZE - CONFIG_SYS_MALLOC_LEN - 16)
+._sh_generic_init:     .long   sh_generic_init