commit 1925b2ae11fb13a7d32891b8b76ed4047cb58293
author Ruari Phipps <ruari.phipps@arm.com> Thu Sep 10 14:05:55 2020 +0100
committer Daniel Boulby <daniel.boulby@arm.com> Mon Jun 28 14:31:10 2021 +0100
tree 9009585b0ab2ad8bf45ff48ef92bb158d315a7d8
parent 459eace82fcd2666f206453b92457802f1f5b6a0

SPM: Split S-EL1 shim from S-EL0 application

The shim prepares the S-EL1/0 environment (stack, VBAR, MMU, I-cache,
BSS clear, PIE fixup) for usage by the S-EL0 application. Split ivy
and shim parition code into separate folders.

Signed-off-by: Ruari Phipps <ruari.phipps@arm.com>
Signed-off-by: Olivier Deprez <olivier.deprez@arm.com>
Signed-off-by: Daniel Boulby <daniel.boulby@arm.com>
Change-Id: I203bbc0d379b12bd5cf1991b95e4f3a7d78d63d4

spm/ivy/app/ivy.h

diff --git a/spm/ivy/app/ivy.h b/spm/ivy/app/ivy.h
new file mode 100644
index 0000000..a40f7e1
--- /dev/null
+++ b/spm/ivy/app/ivy.h
@@ -0,0 +1,46 @@
+/*
+ * Copyright (c) 2018-2021, Arm Limited. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#ifndef IVY_H
+#define IVY_H
+
+#include <stdint.h>
+
+/* Linker symbols used to figure out the memory layout of the S-EL1 shim. */
+extern uintptr_t __SHIM_TEXT_START__, __SHIM_TEXT_END__;
+#define SHIM_TEXT_START		((uintptr_t)&__SHIM_TEXT_START__)
+#define SHIM_TEXT_END		((uintptr_t)&__SHIM_TEXT_END__)
+
+extern uintptr_t __SHIM_RODATA_START__, __SHIM_RODATA_END__;
+#define SHIM_RODATA_START	((uintptr_t)&__SHIM_RODATA_START__)
+#define SHIM_RODATA_END		((uintptr_t)&__SHIM_RODATA_END__)
+
+extern uintptr_t __SHIM_DATA_START__, __SHIM_DATA_END__;
+#define SHIM_DATA_START		((uintptr_t)&__SHIM_DATA_START__)
+#define SHIM_DATA_END		((uintptr_t)&__SHIM_DATA_END__)
+
+extern uintptr_t __SHIM_BSS_START__, __SHIM_BSS_END__;
+#define SHIM_BSS_START		((uintptr_t)&__SHIM_BSS_START__)
+#define SHIM_BSS_END		((uintptr_t)&__SHIM_BSS_END__)
+
+/* Linker symbols used to figure out the memory layout of Ivy (S-EL0). */
+extern uintptr_t __TEXT_START__, __TEXT_END__;
+#define IVY_TEXT_START		((uintptr_t)&__TEXT_START__)
+#define IVY_TEXT_END		((uintptr_t)&__TEXT_END__)
+
+extern uintptr_t __RODATA_START__, __RODATA_END__;
+#define IVY_RODATA_START	((uintptr_t)&__RODATA_START__)
+#define IVY_RODATA_END		((uintptr_t)&__RODATA_END__)
+
+extern uintptr_t __DATA_START__, __DATA_END__;
+#define IVY_DATA_START		((uintptr_t)&__DATA_START__)
+#define IVY_DATA_END		((uintptr_t)&__DATA_END__)
+
+extern uintptr_t __BSS_START__, __BSS_END__;
+#define IVY_BSS_START		((uintptr_t)&__BSS_START__)
+#define IVY_BSS_END		((uintptr_t)&__BSS_END__)
+
+#endif /* __IVY_H__ */