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-rw-r--r--services/std_svc/spm/spm_buffers.c112
1 files changed, 0 insertions, 112 deletions
diff --git a/services/std_svc/spm/spm_buffers.c b/services/std_svc/spm/spm_buffers.c
deleted file mode 100644
index 79398ba151..0000000000
--- a/services/std_svc/spm/spm_buffers.c
+++ /dev/null
@@ -1,112 +0,0 @@
-/*
- * Copyright (c) 2018-2019, Arm Limited. All rights reserved.
- *
- * SPDX-License-Identifier: BSD-3-Clause
- */
-
-#include <arch_helpers.h>
-#include <lib/spinlock.h>
-#include <lib/utils_def.h>
-#include <platform_def.h>
-
-#include "./spm_private.h"
-
-/*******************************************************************************
- * Secure Service response global array. All the responses to the requests done
- * to the Secure Partition are stored here. They are removed from the array as
- * soon as their value is read.
- ******************************************************************************/
-struct sprt_response {
- int is_valid;
- uint32_t token;
- uint16_t client_id, handle;
- u_register_t x1, x2, x3;
-};
-
-static struct sprt_response responses[PLAT_SPM_RESPONSES_MAX];
-
-static spinlock_t responses_lock;
-
-/* Add response to the global response buffer. Returns 0 on success else -1. */
-int spm_response_add(uint16_t client_id, uint16_t handle, uint32_t token,
- u_register_t x1, u_register_t x2, u_register_t x3)
-{
- spin_lock(&responses_lock);
-
- /* Make sure that there isn't any other response with the same token. */
- for (unsigned int i = 0U; i < ARRAY_SIZE(responses); i++) {
- struct sprt_response *resp = &(responses[i]);
-
- if ((resp->is_valid == 1) && (resp->token == token)) {
- spin_unlock(&responses_lock);
-
- return -1;
- }
- }
-
- for (unsigned int i = 0U; i < ARRAY_SIZE(responses); i++) {
- struct sprt_response *resp = &(responses[i]);
-
- if (resp->is_valid == 0) {
- resp->token = token;
- resp->client_id = client_id;
- resp->handle = handle;
- resp->x1 = x1;
- resp->x2 = x2;
- resp->x3 = x3;
-
- dmbish();
-
- resp->is_valid = 1;
-
- spin_unlock(&responses_lock);
-
- return 0;
- }
- }
-
- spin_unlock(&responses_lock);
-
- return -1;
-}
-
-/*
- * Returns a response from the requests array and removes it from it. Returns 0
- * on success, -1 if it wasn't found.
- */
-int spm_response_get(uint16_t client_id, uint16_t handle, uint32_t token,
- u_register_t *x1, u_register_t *x2, u_register_t *x3)
-{
- spin_lock(&responses_lock);
-
- for (unsigned int i = 0U; i < ARRAY_SIZE(responses); i++) {
- struct sprt_response *resp = &(responses[i]);
-
- /* Ignore invalid entries */
- if (resp->is_valid == 0) {
- continue;
- }
-
- /* Make sure that all the information matches the stored one */
- if ((resp->token != token) || (resp->client_id != client_id) ||
- (resp->handle != handle)) {
- continue;
- }
-
- *x1 = resp->x1;
- *x2 = resp->x2;
- *x3 = resp->x3;
-
- dmbish();
-
- resp->is_valid = 0;
-
- spin_unlock(&responses_lock);
-
- return 0;
- }
-
- spin_unlock(&responses_lock);
-
- return -1;
-}