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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-21 17:43:51 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-21 17:43:51 +0000
commitbe58c81aff4cd4c0ccf43dbd7998da4a6a08c03b (patch)
tree779c248fb61c83f65d1f0dc867f2053d76b4e03a /plat/rpi/rpi4/aarch64
parentInitial commit. (diff)
downloadarm-trusted-firmware-be58c81aff4cd4c0ccf43dbd7998da4a6a08c03b.tar.xz
arm-trusted-firmware-be58c81aff4cd4c0ccf43dbd7998da4a6a08c03b.zip
Adding upstream version 2.10.0+dfsg.upstream/2.10.0+dfsgupstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r--plat/rpi/rpi4/aarch64/armstub8_header.S37
1 files changed, 37 insertions, 0 deletions
diff --git a/plat/rpi/rpi4/aarch64/armstub8_header.S b/plat/rpi/rpi4/aarch64/armstub8_header.S
new file mode 100644
index 0000000..246358d
--- /dev/null
+++ b/plat/rpi/rpi4/aarch64/armstub8_header.S
@@ -0,0 +1,37 @@
+/*
+ * Copyright (c) 2019, ARM Limited and Contributors. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+/*
+ * armstub8.bin header to let the GPU firmware recognise this code.
+ * It will then write the load address of the kernel image and the DT
+ * after the header magic in RAM, so we can read those addresses at runtime.
+ */
+
+.text
+ b armstub8_end
+
+.global stub_magic
+.global dtb_ptr32
+.global kernel_entry32
+
+.org 0xf0
+armstub8:
+stub_magic:
+ .word 0x5afe570b
+stub_version:
+ .word 0
+dtb_ptr32:
+ .word 0x0
+kernel_entry32:
+ .word 0x0
+
+/*
+ * Technically an offset of 0x100 would suffice, but the follow-up code
+ * (bl31_entrypoint.S at BL31_BASE) needs to be page aligned, so pad here
+ * till the end of the first 4K page.
+ */
+.org 0x1000
+armstub8_end: