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@@ -1,16 +1,9 @@
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-// Copyright 2015-2020 Espressif Systems (Shanghai) PTE LTD
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-//
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-// Licensed under the Apache License, Version 2.0 (the "License");
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-// you may not use this file except in compliance with the License.
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-// You may obtain a copy of the License at
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-//
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-// http://www.apache.org/licenses/LICENSE-2.0
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-//
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-// Unless required by applicable law or agreed to in writing, software
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-// distributed under the License is distributed on an "AS IS" BASIS,
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-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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-// See the License for the specific language governing permissions and
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-// limitations under the License.
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+/*
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+ * SPDX-FileCopyrightText: 2015-2021 Espressif Systems (Shanghai) CO LTD
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+ *
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+ * SPDX-License-Identifier: Apache-2.0
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+ */
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+
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#include "soc/uart_periph.h"
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#include "soc/gpio_periph.h"
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@@ -122,3 +115,26 @@ int esp_gdbstub_readmem(intptr_t addr)
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uint32_t shift = (addr & 3) * 8;
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return (val_aligned >> shift) & 0xff;
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}
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+
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+int esp_gdbstub_writemem(unsigned int addr, unsigned char data)
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+{
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+ if (!check_inside_valid_region(addr)) {
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+ /* see esp_cpu_configure_region_protection */
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+ return -1;
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+ }
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+
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+ int *i = (int *)(addr & (~3));
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+ if ((addr & 3) == 0) {
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+ *i = (*i & 0xffffff00) | (data << 0);
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+ }
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+ if ((addr & 3) == 1) {
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+ *i = (*i & 0xffff00ff) | (data << 8);
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+ }
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+ if ((addr & 3) == 2) {
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+ *i = (*i & 0xff00ffff) | (data << 16);
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+ }
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+ if ((addr & 3) == 3) {
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+ *i = (*i & 0x00ffffff) | (data << 24);
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+ }
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+ return 0;
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+}
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