arm-io: Panic in case of io setup failure
Currently, an IO setup failure will be ignored on arm platform release
build. Change this to panic instead.
Change-Id: I027a045bce2422b0a0fc4ff9e9d4c6e7bf5d2f98
Signed-off-by: Louis Mayencourt <louis.mayencourt@arm.com>
diff --git a/include/plat/arm/common/plat_arm.h b/include/plat/arm/common/plat_arm.h
index 4751314..025a64f 100644
--- a/include/plat/arm/common/plat_arm.h
+++ b/include/plat/arm/common/plat_arm.h
@@ -149,7 +149,7 @@
#define ARM_ROTPK_DEVEL_ECDSA_ID 3
/* IO storage utility functions */
-void arm_io_setup(void);
+int arm_io_setup(void);
/* Security utility functions */
void arm_tzc400_setup(const arm_tzc_regions_info_t *tzc_regions);
diff --git a/plat/arm/board/fvp/fvp_io_storage.c b/plat/arm/board/fvp/fvp_io_storage.c
index 9c4c1d5..109d321 100644
--- a/plat/arm/board/fvp/fvp_io_storage.c
+++ b/plat/arm/board/fvp/fvp_io_storage.c
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 2014-2018, ARM Limited and Contributors. All rights reserved.
+ * Copyright (c) 2014-2020, ARM Limited and Contributors. All rights reserved.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
@@ -120,18 +120,22 @@
{
int io_result;
- arm_io_setup();
+ io_result = arm_io_setup();
+ if (io_result < 0) {
+ panic();
+ }
/* Register the additional IO devices on this platform */
io_result = register_io_dev_sh(&sh_dev_con);
- assert(io_result == 0);
+ if (io_result < 0) {
+ panic();
+ }
/* Open connections to devices and cache the handles */
io_result = io_dev_open(sh_dev_con, (uintptr_t)NULL, &sh_dev_handle);
- assert(io_result == 0);
-
- /* Ignore improbable errors in release builds */
- (void)io_result;
+ if (io_result < 0) {
+ panic();
+ }
}
/*
diff --git a/plat/arm/common/arm_fconf_io_storage.c b/plat/arm/common/arm_fconf_io_storage.c
index 6bbdb3c..341622a 100644
--- a/plat/arm/common/arm_fconf_io_storage.c
+++ b/plat/arm/common/arm_fconf_io_storage.c
@@ -63,32 +63,41 @@
return result;
}
-void arm_io_setup(void)
+int arm_io_setup(void)
{
int io_result;
io_result = register_io_dev_fip(&fip_dev_con);
- assert(io_result == 0);
+ if (io_result < 0) {
+ return io_result;
+ }
io_result = register_io_dev_memmap(&memmap_dev_con);
- assert(io_result == 0);
+ if (io_result < 0) {
+ return io_result;
+ }
/* Open connections to devices and cache the handles */
io_result = io_dev_open(fip_dev_con, (uintptr_t)NULL,
&fip_dev_handle);
- assert(io_result == 0);
+ if (io_result < 0) {
+ return io_result;
+ }
io_result = io_dev_open(memmap_dev_con, (uintptr_t)NULL,
&memmap_dev_handle);
- assert(io_result == 0);
- /* Ignore improbable errors in release builds */
- (void)io_result;
+ return io_result;
}
void plat_arm_io_setup(void)
{
- arm_io_setup();
+ int err;
+
+ err = arm_io_setup();
+ if (err < 0) {
+ panic();
+ }
}
int plat_arm_get_alt_image_source(
diff --git a/plat/arm/common/arm_io_storage.c b/plat/arm/common/arm_io_storage.c
index 60d19b2..f5d8a41 100644
--- a/plat/arm/common/arm_io_storage.c
+++ b/plat/arm/common/arm_io_storage.c
@@ -292,32 +292,41 @@
}
-void arm_io_setup(void)
+int arm_io_setup(void)
{
int io_result;
io_result = register_io_dev_fip(&fip_dev_con);
- assert(io_result == 0);
+ if (io_result < 0) {
+ return io_result;
+ }
io_result = register_io_dev_memmap(&memmap_dev_con);
- assert(io_result == 0);
+ if (io_result < 0) {
+ return io_result;
+ }
/* Open connections to devices and cache the handles */
io_result = io_dev_open(fip_dev_con, (uintptr_t)NULL,
&fip_dev_handle);
- assert(io_result == 0);
+ if (io_result < 0) {
+ return io_result;
+ }
io_result = io_dev_open(memmap_dev_con, (uintptr_t)NULL,
&memmap_dev_handle);
- assert(io_result == 0);
- /* Ignore improbable errors in release builds */
- (void)io_result;
+ return io_result;
}
void plat_arm_io_setup(void)
{
- arm_io_setup();
+ int err;
+
+ err = arm_io_setup();
+ if (err < 0) {
+ panic();
+ }
}
int plat_arm_get_alt_image_source(